From 8030da7afea2d89f997aeadbd14183d399a017b9 Mon Sep 17 00:00:00 2001 From: Georgi Gerganov Date: Tue, 12 Mar 2024 14:27:20 +0200 Subject: [PATCH] ggml : reuse quantum structs across backends (#5943) * ggml : reuse quant blocks across backends ggml-ci * ggml : define helper constants only for CUDA and SYCL ggml-ci * ggml : define helper quantum constants for SYCL ggml-ci --- ggml-common.h | 409 ++++++++++++++++++++++++++++++++++++++++++++++- ggml-cuda.cu | 244 ++-------------------------- ggml-metal.m | 2 +- ggml-metal.metal | 180 +-------------------- ggml-quants.c | 78 ++++----- ggml-quants.h | 244 +--------------------------- ggml-sycl.cpp | 192 +--------------------- 7 files changed, 469 insertions(+), 880 deletions(-) diff --git a/ggml-common.h b/ggml-common.h index 2402b773c073c..0257c928cea52 100644 --- a/ggml-common.h +++ b/ggml-common.h @@ -1,4 +1,408 @@ -#pragma once +#ifndef GGML_COMMON_DECL + +#if defined(GGML_COMMON_DECL_C) +#include + +typedef uint16_t ggml_half; +typedef uint32_t ggml_half2; + +#define GGML_COMMON_AGGR + +#define GGML_COMMON_DECL +#elif defined(GGML_COMMON_DECL_METAL) +#include + +typedef half ggml_half; +typedef half2 ggml_half2; + +#define GGML_COMMON_AGGR + +#define GGML_COMMON_DECL +#elif defined(GGML_COMMON_DECL_CUDA) +#include +#include + +typedef half ggml_half; +typedef half2 ggml_half2; + +#define GGML_COMMON_AGGR data + +#define GGML_COMMON_DECL +#elif defined(GGML_COMMON_DECL_HIP) +#include +#include + +typedef half ggml_half; +typedef half2 ggml_half2; + +#define GGML_COMMON_AGGR data + +#define GGML_COMMON_DECL +#elif defined(GGML_COMMON_DECL_SYCL) +#include +#include + +typedef sycl::half ggml_half; +typedef sycl::half2 ggml_half2; + +#define GGML_COMMON_AGGR data + +#define GGML_COMMON_DECL +#endif + +#if defined(GGML_COMMON_DECL) + +#ifndef __cplusplus +#ifndef static_assert +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201100L) +#define static_assert(cond, msg) _Static_assert(cond, msg) +#else +#define static_assert(cond, msg) struct global_scope_noop_trick +#endif +#endif +#endif // __cplusplus + +// QK = number of values after dequantization +// QK_K = super-block size + +#ifdef GGML_QKK_64 +#define QK_K 64 +#define K_SCALE_SIZE 4 +#else +#define QK_K 256 +#define K_SCALE_SIZE 12 +#endif // GGML_QKK_64 + +#if defined(GGML_COMMON_DECL_CUDA) || defined(GGML_COMMON_DECL_HIP) || defined(GGML_COMMON_DECL_SYCL) +// QR = QK / number of values before dequantization +// QI = number of 32 bit integers before dequantization + +#define QI4_0 (QK4_0 / (4 * QR4_0)) +#define QR4_0 2 + +#define QI4_1 (QK4_1 / (4 * QR4_1)) +#define QR4_1 2 + +#define QI5_0 (QK5_0 / (4 * QR5_0)) +#define QR5_0 2 + +#define QI5_1 (QK5_1 / (4 * QR5_1)) +#define QR5_1 2 + +#define QI8_0 (QK8_0 / (4 * QR8_0)) +#define QR8_0 1 + +#define QI8_1 (QK8_1 / (4 * QR8_1)) +#define QR8_1 1 + +#define QI2_K (QK_K / (4*QR2_K)) +#define QR2_K 4 + +#define QI3_K (QK_K / (4*QR3_K)) +#define QR3_K 4 + +#define QI4_K (QK_K / (4*QR4_K)) +#define QR4_K 2 + +#define QI5_K (QK_K / (4*QR5_K)) +#define QR5_K 2 + +#define QI6_K (QK_K / (4*QR6_K)) +#define QR6_K 2 + +#define QI2_XXS (QK_K / (4*QR2_XXS)) +#define QR2_XXS 8 + +#define QI2_XS (QK_K / (4*QR2_XS)) +#define QR2_XS 8 + +#define QI2_S (QK_K / (4*QR2_S)) +#define QR2_S 8 + +#define QI3_XXS (QK_K / (4*QR3_XXS)) +#define QR3_XXS 8 + +#define QI3_XS (QK_K / (4*QR3_XS)) +#define QR3_XS 8 + +#define QI1_S (QK_K / (4*QR1_S)) +#define QR1_S 8 + +#define QI4_NL (QK4_NL / (4*QR4_NL)) +#define QR4_NL 2 + +#if QK_K == 64 +#define QI4_XS QI4_NL +#define QR4_XS QR4_NL +#else +#define QI4_XS (QK_K / (4*QR4_XS)) +#define QR4_XS 8 +#endif + +#endif // GGML_COMMON_DECL_CUDA || GGML_COMMON_DECL_HIP + +#define QK4_0 32 +typedef struct { + ggml_half d; // delta + uint8_t qs[QK4_0 / 2]; // nibbles / quants +} block_q4_0; +static_assert(sizeof(block_q4_0) == sizeof(ggml_half) + QK4_0 / 2, "wrong q4_0 block size/padding"); + +#define QK4_1 32 +typedef struct { + union { + struct { + ggml_half d; // delta + ggml_half m; // min + } GGML_COMMON_AGGR; + ggml_half2 dm; + }; + uint8_t qs[QK4_1 / 2]; // nibbles / quants +} block_q4_1; +static_assert(sizeof(block_q4_1) == 2 * sizeof(ggml_half) + QK4_1 / 2, "wrong q4_1 block size/padding"); + +#define QK5_0 32 +typedef struct { + ggml_half d; // delta + uint8_t qh[4]; // 5-th bit of quants + uint8_t qs[QK5_0 / 2]; // nibbles / quants +} block_q5_0; +static_assert(sizeof(block_q5_0) == sizeof(ggml_half) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding"); + +#define QK5_1 32 +typedef struct { + union { + struct { + ggml_half d; // delta + ggml_half m; // min + } GGML_COMMON_AGGR; + ggml_half2 dm; + }; + uint8_t qh[4]; // 5-th bit of quants + uint8_t qs[QK5_1 / 2]; // nibbles / quants +} block_q5_1; +static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_half) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding"); + +#define QK8_0 32 +typedef struct { + ggml_half d; // delta + int8_t qs[QK8_0]; // quants +} block_q8_0; +static_assert(sizeof(block_q8_0) == sizeof(ggml_half) + QK8_0, "wrong q8_0 block size/padding"); + +#define QK8_1 32 +typedef struct { + union { + struct { + ggml_half d; // delta + ggml_half s; // d * sum(qs[i]) + } GGML_COMMON_AGGR; + ggml_half2 ds; + }; + int8_t qs[QK8_1]; // quants +} block_q8_1; +static_assert(sizeof(block_q8_1) == 2*sizeof(ggml_half) + QK8_1, "wrong q8_1 block size/padding"); + +// +// Super-block quantization structures +// + +// 2-bit quantization +// weight is represented as x = a * q + b +// 16 blocks of 16 elements each +// Effectively 2.625 bits per weight +typedef struct { + uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits + uint8_t qs[QK_K/4]; // quants + union { + struct { + ggml_half d; // super-block scale for quantized scales + ggml_half dmin; // super-block scale for quantized mins + } GGML_COMMON_AGGR; + ggml_half2 dm; + }; +} block_q2_K; +static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_half) + QK_K/16 + QK_K/4, "wrong q2_K block size/padding"); + +// 3-bit quantization +// weight is represented as x = a * q +// 16 blocks of 16 elements each +// Effectively 3.4375 bits per weight +#ifdef GGML_QKK_64 +typedef struct { + uint8_t hmask[QK_K/8]; // quants - high bit + uint8_t qs[QK_K/4]; // quants - low 2 bits + uint8_t scales[2]; + ggml_half d; // super-block scale +} block_q3_K; +static_assert(sizeof(block_q3_K) == sizeof(ggml_half) + QK_K / 4 + QK_K / 8 + 2, "wrong q3_K block size/padding"); +#else +typedef struct { + uint8_t hmask[QK_K/8]; // quants - high bit + uint8_t qs[QK_K/4]; // quants - low 2 bits + uint8_t scales[12]; // scales, quantized with 6 bits + ggml_half d; // super-block scale +} block_q3_K; +static_assert(sizeof(block_q3_K) == sizeof(ggml_half) + QK_K / 4 + QK_K / 8 + 12, "wrong q3_K block size/padding"); +#endif + +// 4-bit quantization +// 8 blocks of 32 elements each +// weight is represented as x = a * q + b +// Effectively 4.5 bits per weight +#ifdef GGML_QKK_64 +typedef struct { + ggml_half d[2]; // super-block scales/mins + uint8_t scales[2]; // 4-bit block scales/mins + uint8_t qs[QK_K/2]; // 4--bit quants +} block_q4_K; +static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_half) + QK_K/2 + 2, "wrong q4_K block size/padding"); +#else +typedef struct { + union { + struct { + ggml_half d; // super-block scale for quantized scales + ggml_half dmin; // super-block scale for quantized mins + } GGML_COMMON_AGGR; + ggml_half2 dm; + }; + uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits + uint8_t qs[QK_K/2]; // 4--bit quants +} block_q4_K; +static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_half) + K_SCALE_SIZE + QK_K/2, "wrong q4_K block size/padding"); +#endif + +// 5-bit quantization +// 8 blocks of 32 elements each +// weight is represented as x = a * q + b +// Effectively 5.5 bits per weight +#ifdef GGML_QKK_64 +typedef struct { + ggml_half d; // super-block scale + int8_t scales[QK_K/16]; // 8-bit block scales + uint8_t qh[QK_K/8]; // quants, high bit + uint8_t qs[QK_K/2]; // quants, low 4 bits +} block_q5_K; +static_assert(sizeof(block_q5_K) == sizeof(ggml_half) + QK_K/2 + QK_K/8 + QK_K/16, "wrong q5_K block size/padding"); +#else +typedef struct { + union { + struct { + ggml_half d; // super-block scale for quantized scales + ggml_half dmin; // super-block scale for quantized mins + } GGML_COMMON_AGGR; + ggml_half2 dm; + }; + uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits + uint8_t qh[QK_K/8]; // quants, high bit + uint8_t qs[QK_K/2]; // quants, low 4 bits +} block_q5_K; +static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_half) + K_SCALE_SIZE + QK_K/2 + QK_K/8, "wrong q5_K block size/padding"); +#endif + +// 6-bit quantization +// weight is represented as x = a * q +// 16 blocks of 16 elements each +// Effectively 6.5625 bits per weight +typedef struct { + uint8_t ql[QK_K/2]; // quants, lower 4 bits + uint8_t qh[QK_K/4]; // quants, upper 2 bits + int8_t scales[QK_K/16]; // scales, quantized with 8 bits + ggml_half d; // super-block scale +} block_q6_K; +static_assert(sizeof(block_q6_K) == sizeof(ggml_half) + QK_K / 16 + 3*QK_K/4, "wrong q6_K block size/padding"); + +// This is only used for intermediate quantization and dot products +typedef struct { + float d; // delta + int8_t qs[QK_K]; // quants + int16_t bsums[QK_K/16]; // sum of quants in groups of 16 +} block_q8_K; +static_assert(sizeof(block_q8_K) == sizeof(float) + QK_K + QK_K/16*sizeof(int16_t), "wrong q8_K block size/padding"); + +// (Almost) "true" 2-bit quantization. +// Due to the need to use blocks as per ggml design, it ends up using +// 2.0625 bpw because of the 16-bit scale for each block of 256. +typedef struct { + ggml_half d; + uint16_t qs[QK_K/8]; +} block_iq2_xxs; +static_assert(sizeof(block_iq2_xxs) == sizeof(ggml_half) + QK_K/8*sizeof(uint16_t), "wrong iq2_xxs block size/padding"); + +// 2.3125 bpw quants +typedef struct { + ggml_half d; + uint16_t qs[QK_K/8]; + uint8_t scales[QK_K/32]; +} block_iq2_xs; +static_assert(sizeof(block_iq2_xs) == sizeof(ggml_half) + QK_K/8*sizeof(uint16_t) + QK_K/32, "wrong iq2_xs block size/padding"); + +// 2.5625 bpw quants +typedef struct { + ggml_half d; + uint8_t qs[QK_K/4]; + uint8_t qh[QK_K/32]; + uint8_t scales[QK_K/32]; +} block_iq2_s; +static_assert(sizeof(block_iq2_s) == sizeof(ggml_half) + QK_K/4 + QK_K/16, "wrong iq2_s block size/padding"); + +// (Almost) "true" 3-bit quantization. +// Due to the need to use blocks as per ggml design, it ends up using +// 3.0625 bpw because of the 16-bit scale for each block of 256. +typedef struct { + ggml_half d; + uint8_t qs[3*QK_K/8]; +} block_iq3_xxs; +static_assert(sizeof(block_iq3_xxs) == sizeof(ggml_half) + 3*(QK_K/8), "wrong iq3_xxs block size/padding"); + +// 3.4375 bpw +#if QK_K == 64 +#define IQ3S_N_SCALE 2 +#else +#define IQ3S_N_SCALE QK_K/64 +#endif +typedef struct { + ggml_half d; + uint8_t qs[QK_K/4]; + uint8_t qh[QK_K/32]; + uint8_t signs[QK_K/8]; + uint8_t scales[IQ3S_N_SCALE]; +} block_iq3_s; +static_assert(sizeof(block_iq3_s) == sizeof(ggml_half) + 13*(QK_K/32) + IQ3S_N_SCALE, "wrong iq3_s block size/padding"); + +typedef struct { + ggml_half d; + uint8_t qs[QK_K/8]; + uint16_t qh[QK_K/32]; +} block_iq1_s; +static_assert(sizeof(block_iq1_s) == sizeof(ggml_half) + QK_K/8 + QK_K/16, "wrong iq1_s block size/padding"); + +// Non-linear quants +#define QK4_NL 32 +typedef struct { + ggml_half d; + uint8_t qs[QK4_NL/2]; +} block_iq4_nl; +static_assert(sizeof(block_iq4_nl) == sizeof(ggml_half) + QK4_NL/2, "wrong iq4_nl block size/padding"); + +#if QK_K == 64 +#define block_iq4_xs block_iq4_nl +#else +typedef struct { + ggml_half d; + uint16_t scales_h; + uint8_t scales_l[QK_K/64]; + uint8_t qs[QK_K/2]; +} block_iq4_xs; +static_assert(sizeof(block_iq4_xs) == sizeof(ggml_half) + sizeof(uint16_t) + QK_K/64 + QK_K/2, "wrong iq4_xs block size/padding"); +#endif + +#endif // GGML_COMMON_DECL +#endif // GGML_COMMON_DECL + +//////////////////////////////////////////////////////////////////////////////// + +#ifndef GGML_COMMON_IMPL #if defined(GGML_COMMON_IMPL_C) #include @@ -14,7 +418,7 @@ #define GGML_TABLE_END() }; #define GGML_COMMON_IMPL -#elif defined(GGML_COMMON_IMPL_CUDA) +#elif defined(GGML_COMMON_IMPL_CUDA) || defined(GGML_COMMON_IMPL_HIP) #include #define GGML_TABLE_BEGIN(type, name, size) static const __device__ type name[size] = { @@ -1423,3 +1827,4 @@ GGML_TABLE_END() #endif #endif // GGML_COMMON_IMPL +#endif // GGML_COMMON_IMPL diff --git a/ggml-cuda.cu b/ggml-cuda.cu index 01b1f15ee8778..b8834ed05eed0 100644 --- a/ggml-cuda.cu +++ b/ggml-cuda.cu @@ -2,7 +2,13 @@ #include "ggml.h" #include "ggml-backend-impl.h" +#if defined(GGML_USE_HIPBLAS) +#define GGML_COMMON_DECL_HIP +#define GGML_COMMON_IMPL_HIP +#else +#define GGML_COMMON_DECL_CUDA #define GGML_COMMON_IMPL_CUDA +#endif #include "ggml-common.h" #include @@ -359,66 +365,6 @@ typedef void (*ggml_cuda_op_flatten_t)( const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst, const float * src0_dd, const float * src1_dd, float * dst_dd, cudaStream_t main_stream); -// QK = number of values after dequantization -// QR = QK / number of values before dequantization -// QI = number of 32 bit integers before dequantization - -#define QK4_0 32 -#define QR4_0 2 -#define QI4_0 (QK4_0 / (4 * QR4_0)) -typedef struct { - half d; // delta - uint8_t qs[QK4_0 / 2]; // nibbles / quants -} block_q4_0; -static_assert(sizeof(block_q4_0) == sizeof(ggml_fp16_t) + QK4_0 / 2, "wrong q4_0 block size/padding"); - -#define QK4_1 32 -#define QR4_1 2 -#define QI4_1 (QK4_1 / (4 * QR4_1)) -typedef struct { - half2 dm; // dm.x = delta, dm.y = min - uint8_t qs[QK4_1 / 2]; // nibbles / quants -} block_q4_1; -static_assert(sizeof(block_q4_1) == sizeof(ggml_fp16_t) * 2 + QK4_1 / 2, "wrong q4_1 block size/padding"); - -#define QK5_0 32 -#define QR5_0 2 -#define QI5_0 (QK5_0 / (4 * QR5_0)) -typedef struct { - half d; // delta - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_0 / 2]; // nibbles / quants -} block_q5_0; -static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding"); - -#define QK5_1 32 -#define QR5_1 2 -#define QI5_1 (QK5_1 / (4 * QR5_1)) -typedef struct { - half2 dm; // dm.x = delta, dm.y = min - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_1 / 2]; // nibbles / quants -} block_q5_1; -static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding"); - -#define QK8_0 32 -#define QR8_0 1 -#define QI8_0 (QK8_0 / (4 * QR8_0)) -typedef struct { - half d; // delta - int8_t qs[QK8_0]; // quants -} block_q8_0; -static_assert(sizeof(block_q8_0) == sizeof(ggml_fp16_t) + QK8_0, "wrong q8_0 block size/padding"); - -#define QK8_1 32 -#define QR8_1 1 -#define QI8_1 (QK8_1 / (4 * QR8_1)) -typedef struct { - half2 ds; // ds.x = delta, ds.y = sum - int8_t qs[QK8_0]; // quants -} block_q8_1; -static_assert(sizeof(block_q8_1) == 2*sizeof(ggml_fp16_t) + QK8_0, "wrong q8_1 block size/padding"); - typedef float (*vec_dot_q_cuda_t)(const void * __restrict__ vbq, const block_q8_1 * __restrict__ bq8_1, const int & iqs); typedef void (*allocate_tiles_cuda_t)(int ** x_ql, half2 ** x_dm, int ** x_qh, int ** x_sc); typedef void (*load_tiles_cuda_t)( @@ -428,174 +374,6 @@ typedef float (*vec_dot_q_mul_mat_cuda_t)( const int * __restrict__ x_ql, const half2 * __restrict__ x_dm, const int * __restrict__ x_qh, const int * __restrict__ x_sc, const int * __restrict__ y_qs, const half2 * __restrict__ y_ms, const int & i, const int & j, const int & k); -//================================= k-quants - -#ifdef GGML_QKK_64 -#define QK_K 64 -#define K_SCALE_SIZE 4 -#else -#define QK_K 256 -#define K_SCALE_SIZE 12 -#endif - -#define QR2_K 4 -#define QI2_K (QK_K / (4*QR2_K)) -typedef struct { - uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits - uint8_t qs[QK_K/4]; // quants - half2 dm; // super-block scale for quantized scales/mins -} block_q2_K; -static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_fp16_t) + QK_K/16 + QK_K/4, "wrong q2_K block size/padding"); - -#define QR3_K 4 -#define QI3_K (QK_K / (4*QR3_K)) -typedef struct { - uint8_t hmask[QK_K/8]; // quants - high bit - uint8_t qs[QK_K/4]; // quants - low 2 bits -#ifdef GGML_QKK_64 - uint8_t scales[2]; // scales, quantized with 8 bits -#else - uint8_t scales[K_SCALE_SIZE]; // scales, quantized with 6 bits -#endif - half d; // super-block scale -} block_q3_K; -//static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + K_SCALE_SIZE, "wrong q3_K block size/padding"); - -#define QR4_K 2 -#define QI4_K (QK_K / (4*QR4_K)) -#ifdef GGML_QKK_64 -typedef struct { - half dm[2]; // super-block scales/mins - uint8_t scales[2]; // 4-bit block scales/mins - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == sizeof(half2) + QK_K/2 + 2, "wrong q4_K block size/padding"); -#else -typedef struct { - half2 dm; // super-block scale for quantized scales/mins - uint8_t scales[3*QK_K/64]; // scales, quantized with 6 bits - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + 3*QK_K/64 + QK_K/2, "wrong q4_K block size/padding"); -#endif - -#define QR5_K 2 -#define QI5_K (QK_K / (4*QR5_K)) -#ifdef GGML_QKK_64 -typedef struct { - half d; // super-block scale - int8_t scales[QK_K/16]; // block scales - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == sizeof(ggml_fp16_t) + QK_K/2 + QK_K/8 + QK_K/16, "wrong q5_K block size/padding"); -#else -typedef struct { - half2 dm; // super-block scale for quantized scales/mins - uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2 + QK_K/8, "wrong q5_K block size/padding"); -#endif - -#define QR6_K 2 -#define QI6_K (QK_K / (4*QR6_K)) -typedef struct { - uint8_t ql[QK_K/2]; // quants, lower 4 bits - uint8_t qh[QK_K/4]; // quants, upper 2 bits - int8_t scales[QK_K/16]; // scales - half d; // delta -} block_q6_K; -static_assert(sizeof(block_q6_K) == sizeof(ggml_fp16_t) + 13*QK_K/16, "wrong q6_K block size/padding"); - -#define QR2_XXS 8 -#define QI2_XXS (QK_K / (4*QR2_XXS)) -typedef struct { - half d; - uint16_t qs[QK_K/8]; -} block_iq2_xxs; -static_assert(sizeof(block_iq2_xxs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t), "wrong iq2_xxs block size/padding"); - -#define QR2_XS 8 -#define QI2_XS (QK_K / (4*QR2_XS)) -typedef struct { - half d; - uint16_t qs[QK_K/8]; - uint8_t scales[QK_K/32]; -} block_iq2_xs; -static_assert(sizeof(block_iq2_xs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t) + QK_K/32, "wrong iq2_xs block size/padding"); - -// 2.5625 bpw quants -#define QR2_S 8 -#define QI2_S (QK_K / (4*QR2_S)) -typedef struct { - half d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t scales[QK_K/32]; -} block_iq2_s; -static_assert(sizeof(block_iq2_s) == sizeof(ggml_fp16_t) + QK_K/4 + QK_K/16, "wrong iq2_s block size/padding"); - -#define QR3_XXS 8 -#define QI3_XXS (QK_K / (4*QR3_XXS)) -typedef struct { - half d; - uint8_t qs[3*(QK_K/8)]; -} block_iq3_xxs; -static_assert(sizeof(block_iq3_xxs) == sizeof(ggml_fp16_t) + 3*(QK_K/8), "wrong iq3_xxs block size/padding"); - -#define QR3_XS 8 -#define QI3_XS (QK_K / (4*QR3_XS)) -#if QK_K == 64 -#define IQ3S_N_SCALE 2 -#else -#define IQ3S_N_SCALE QK_K/64 -#endif -typedef struct { - half d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t signs[QK_K/8]; - uint8_t scales[IQ3S_N_SCALE]; -} block_iq3_s; -static_assert(sizeof(block_iq3_s) == sizeof(ggml_fp16_t) + 13*(QK_K/32) + IQ3S_N_SCALE, "wrong iq3_s block size/padding"); - -#define QR1_S 8 -#define QI1_S (QK_K / (4*QR1_S)) -typedef struct { - half d; - uint8_t qs[QK_K/8]; - uint16_t qh[QK_K/32]; -} block_iq1_s; -static_assert(sizeof(block_iq1_s) == sizeof(ggml_fp16_t) + QK_K/8 + QK_K/16, "wrong iq1_s block size/padding"); - -#define QK4_NL 32 -#define QR4_NL 2 -#define QI4_NL (QK4_NL / (4*QR4_NL)) -typedef struct { - half d; - uint8_t qs[QK4_NL/2]; -} block_iq4_nl; -static_assert(sizeof(block_iq4_nl) == sizeof(ggml_fp16_t) + QK4_NL/2, "wrong iq4_nl block size/padding"); - -#if QK_K == 64 -#define block_iq4_xs block_iq4_nl -#define QR4_XS QR4_NL -#define QI4_XS QI4_NL -#else -// QR4_XS = 8 is very slightly faster than QR4_XS = 4 -#define QR4_XS 8 -#define QI4_XS (QK_K / (4*QR4_XS)) -typedef struct { - half d; - uint16_t scales_h; - uint8_t scales_l[QK_K/64]; - uint8_t qs[QK_K/2]; -} block_iq4_xs; -static_assert(sizeof(block_iq4_xs) == sizeof(ggml_fp16_t) + sizeof(uint16_t) + QK_K/64 + QK_K/2, "wrong iq4_xs block size/padding"); -#endif - #define WARP_SIZE 32 #define MATRIX_ROW_PADDING 512 // last row of quant. matrices is a multiple of this to avoid out-of-bounds memory accesses @@ -3570,7 +3348,7 @@ static __device__ __forceinline__ float vec_dot_q2_K_q8_1( #pragma unroll for (int i = 0; i < QR2_K; ++ i) { u[i] = get_int_from_int8_aligned(bq8_1[bq8_offset + i].qs, iqs % QI8_1); - d8[i] = __low2half(bq8_1[bq8_offset + i].ds); + d8[i] = __low2float(bq8_1[bq8_offset + i].ds); } return vec_dot_q2_K_q8_1_impl_mmvq(v, u, scales, bq2_K->dm, d8); @@ -3692,7 +3470,7 @@ static __device__ __forceinline__ float vec_dot_q3_K_q8_1( #pragma unroll for (int i = 0; i < QR3_K; ++i) { u[i] = get_int_from_int8_aligned(bq8_1[bq8_offset + i].qs, iqs % QI8_1); - d8[i] = __low2half(bq8_1[bq8_offset + i].ds); + d8[i] = __low2float(bq8_1[bq8_offset + i].ds); } return vec_dot_q3_K_q8_1_impl_mmvq(vl, vh, u, bq3_K->scales, scale_offset, d, d8); @@ -3861,7 +3639,7 @@ static __device__ __forceinline__ float vec_dot_q4_K_q8_1( for (int i = 0; i < QR4_K; ++i) { const block_q8_1 * bq8i = bq8_1 + bq8_offset + i; - d8[i] = __low2half(bq8i->ds); + d8[i] = __low2float(bq8i->ds); const int * q8 = (const int *)bq8i->qs + ((iqs/2)%4); u[2*i+0] = q8[0]; @@ -4226,7 +4004,7 @@ static __device__ __forceinline__ float vec_dot_q6_K_q8_1( #pragma unroll for (int i = 0; i < QR6_K; ++i) { u[i] = get_int_from_int8_aligned(bq8_1[bq8_offset + 2*i].qs, iqs % QI8_1); - d8[i] = __low2half(bq8_1[bq8_offset + 2*i].ds); + d8[i] = __low2float(bq8_1[bq8_offset + 2*i].ds); } return vec_dot_q6_K_q8_1_impl_mmvq(vl, vh, u, scales, bq6_K->d, d8); @@ -4763,7 +4541,7 @@ static __device__ __forceinline__ void mul_mat_q( *dsi_dst = *dsi_src; } else { float * dfi_dst = (float *) dsi_dst; - *dfi_dst = __low2half(*dsi_src); + *dfi_dst = __low2float(*dsi_src); } } diff --git a/ggml-metal.m b/ggml-metal.m index 3cf80de7bf2e0..1825d3320ee7a 100644 --- a/ggml-metal.m +++ b/ggml-metal.m @@ -336,7 +336,7 @@ static void ggml_metal_log(enum ggml_log_level level, const char * format, ...){ NSMutableDictionary * prep = [NSMutableDictionary dictionary]; #ifdef GGML_QKK_64 - prep[@"QK_K"] = @(64); + prep[@"GGML_QKK_64"] = @(1); #endif MTLCompileOptions* options = [MTLCompileOptions new]; diff --git a/ggml-metal.metal b/ggml-metal.metal index 21298a8c24cc7..ebf2f5b478e46 100644 --- a/ggml-metal.metal +++ b/ggml-metal.metal @@ -1,3 +1,7 @@ +#define GGML_COMMON_DECL_METAL +#define GGML_COMMON_IMPL_METAL +#include "ggml-common.h" + #include #define GGML_COMMON_IMPL_METAL @@ -9,41 +13,6 @@ using namespace metal; #define MIN(x, y) ((x) < (y) ? (x) : (y)) #define SWAP(x, y) { auto tmp = (x); (x) = (y); (y) = tmp; } -#define QK4_0 32 -#define QR4_0 2 -typedef struct { - half d; // delta - uint8_t qs[QK4_0 / 2]; // nibbles / quants -} block_q4_0; - -#define QK4_1 32 -typedef struct { - half d; // delta - half m; // min - uint8_t qs[QK4_1 / 2]; // nibbles / quants -} block_q4_1; - -#define QK5_0 32 -typedef struct { - half d; // delta - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_0 / 2]; // nibbles / quants -} block_q5_0; - -#define QK5_1 32 -typedef struct { - half d; // delta - half m; // min - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_1 / 2]; // nibbles / quants -} block_q5_1; - -#define QK8_0 32 -typedef struct { - half d; // delta - int8_t qs[QK8_0]; // quants -} block_q8_0; - #define N_SIMDWIDTH 32 // assuming SIMD group size is 32 enum ggml_sort_order { @@ -2478,147 +2447,6 @@ kernel void kernel_concat( } } -//============================================ k-quants ====================================================== - -#ifndef QK_K -#define QK_K 256 -#else -static_assert(QK_K == 256 || QK_K == 64, "QK_K must be 256 or 64"); -#endif - -#if QK_K == 256 -#define K_SCALE_SIZE 12 -#else -#define K_SCALE_SIZE 4 -#endif - -typedef struct { - uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits - uint8_t qs[QK_K/4]; // quants - half d; // super-block scale for quantized scales - half dmin; // super-block scale for quantized mins -} block_q2_K; -// 84 bytes / block - -typedef struct { - uint8_t hmask[QK_K/8]; // quants - high bit - uint8_t qs[QK_K/4]; // quants - low 2 bits -#if QK_K == 64 - uint8_t scales[2]; -#else - uint8_t scales[K_SCALE_SIZE]; // scales, quantized with 6 bits -#endif - half d; // super-block scale -} block_q3_K; - -#if QK_K == 64 -typedef struct { - half d[2]; // super-block scales/mins - uint8_t scales[2]; - uint8_t qs[QK_K/2]; // 4-bit quants -} block_q4_K; -#else -typedef struct { - half d; // super-block scale for quantized scales - half dmin; // super-block scale for quantized mins - uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -#endif - -#if QK_K == 64 -typedef struct { - half d; // super-block scales/mins - int8_t scales[QK_K/16]; // 8-bit block scales - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -#else -typedef struct { - half d; // super-block scale for quantized scales - half dmin; // super-block scale for quantized mins - uint8_t scales[3*QK_K/64]; // scales and mins, quantized with 6 bits - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -// 176 bytes / block -#endif - -typedef struct { - uint8_t ql[QK_K/2]; // quants, lower 4 bits - uint8_t qh[QK_K/4]; // quants, upper 2 bits - int8_t scales[QK_K/16]; // scales, quantized with 8 bits - half d; // super-block scale -} block_q6_K; -// 210 bytes / block - -typedef struct { - half d; - uint16_t qs[QK_K/8]; -} block_iq2_xxs; -// 66 bytes / block for QK_K = 256, so 2.0625 bpw - -typedef struct { - half d; - uint16_t qs[QK_K/8]; - uint8_t scales[QK_K/32]; -} block_iq2_xs; -// 74 bytes / block for QK_K = 256, so 2.3125 bpw - -// 2.5625 bpw quants -typedef struct { - half d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t scales[QK_K/32]; -} block_iq2_s; - -typedef struct { - half d; - uint8_t qs[3*QK_K/8]; -} block_iq3_xxs; -// 98 bytes / block for QK_K = 256, so 3.0625 bpw - -// 3.4375 bpw -#if QK_K == 64 -#define IQ3S_N_SCALE 2 -#else -#define IQ3S_N_SCALE QK_K/64 -#endif -typedef struct { - half d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t signs[QK_K/8]; - uint8_t scales[IQ3S_N_SCALE]; -} block_iq3_s; - -typedef struct { - half d; - uint8_t qs[QK_K/8]; - uint16_t qh[QK_K/32]; -} block_iq1_s; - -// Non-linear quants -#define QK4_NL 32 -typedef struct { - half d; - uint8_t qs[QK4_NL/2]; -} block_iq4_nl; - -#if QK_K == 64 -#define block_iq4_xs block_iq4_nl -#else -typedef struct { - half d; - uint16_t scales_h; - uint8_t scales_l[QK_K/64]; - uint8_t qs[QK_K/2]; -} block_iq4_xs; -#endif - -//====================================== dot products ========================= - void kernel_mul_mv_q2_K_f32_impl( device const void * src0, device const float * src1, diff --git a/ggml-quants.c b/ggml-quants.c index 3ad558a1b140e..109dd6660d856 100644 --- a/ggml-quants.c +++ b/ggml-quants.c @@ -1,3 +1,6 @@ +#define GGML_COMMON_IMPL_C +#include "ggml-common.h" + #include "ggml-quants.h" #include "ggml-impl.h" @@ -951,7 +954,7 @@ void quantize_row_q8_1_reference(const float * restrict x, block_q8_1 * restrict const float d = amax / ((1 << 7) - 1); const float id = d ? 1.0f/d : 0.0f; - y[i].d = d; + y[i].d = GGML_FP32_TO_FP16(d); int sum = 0; @@ -966,7 +969,7 @@ void quantize_row_q8_1_reference(const float * restrict x, block_q8_1 * restrict sum += y[i].qs[QK8_1/2 + j]; } - y[i].s = sum*d; + y[i].s = GGML_FP32_TO_FP16(sum*d); } } @@ -994,7 +997,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { const float d = amax / ((1 << 7) - 1); const float id = d ? 1.0f/d : 0.0f; - y[i].d = d; + y[i].d = GGML_FP32_TO_FP16(d); int32x4_t accv = vdupq_n_s32(0); @@ -1010,7 +1013,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { accv = vaddq_s32(accv, vi); } - y[i].s = d * vaddvq_s32(accv); + y[i].s = GGML_FP32_TO_FP16(d * vaddvq_s32(accv)); } #elif defined(__wasm_simd128__) for (int i = 0; i < nb; i++) { @@ -1033,7 +1036,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { const float d = amax / ((1 << 7) - 1); const float id = d ? 1.0f/d : 0.0f; - y[i].d = d; + y[i].d = GGML_FP32_TO_FP16(d); v128_t accv = wasm_i32x4_splat(0); @@ -1049,10 +1052,11 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { accv = wasm_i32x4_add(accv, vi); } - y[i].s = d * (wasm_i32x4_extract_lane(accv, 0) + - wasm_i32x4_extract_lane(accv, 1) + - wasm_i32x4_extract_lane(accv, 2) + - wasm_i32x4_extract_lane(accv, 3)); + y[i].s = GGML_FP32_TO_FP16( + d * (wasm_i32x4_extract_lane(accv, 0) + + wasm_i32x4_extract_lane(accv, 1) + + wasm_i32x4_extract_lane(accv, 2) + + wasm_i32x4_extract_lane(accv, 3))); } #elif defined(__AVX2__) || defined(__AVX__) for (int i = 0; i < nb; i++) { @@ -1077,7 +1081,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { // Quantize these floats const float d = maxScalar / 127.f; - y[i].d = d; + y[i].d = GGML_FP32_TO_FP16(d); const float id = ( maxScalar != 0.0f ) ? 127.f / maxScalar : 0.0f; const __m256 mul = _mm256_set1_ps( id ); @@ -1101,7 +1105,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { #if defined(__AVX2__) // Compute the sum of the quants and set y[i].s - y[i].s = d * hsum_i32_8(_mm256_add_epi32(_mm256_add_epi32(i0, i1), _mm256_add_epi32(i2, i3))); + y[i].s = GGML_FP32_TO_FP16(d * hsum_i32_8(_mm256_add_epi32(_mm256_add_epi32(i0, i1), _mm256_add_epi32(i2, i3)))); // Convert int32 to int16 i0 = _mm256_packs_epi32( i0, i1 ); // 0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7, 12, 13, 14, 15 @@ -1131,7 +1135,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { // Compute the sum of the quants and set y[i].s const __m128i s0 = _mm_add_epi32(_mm_add_epi32(ni0, ni1), _mm_add_epi32(ni2, ni3)); const __m128i s1 = _mm_add_epi32(_mm_add_epi32(ni4, ni5), _mm_add_epi32(ni6, ni7)); - y[i].s = d * hsum_i32_4(_mm_add_epi32(s0, s1)); + y[i].s = GGML_FP32_TO_FP16(d * hsum_i32_4(_mm_add_epi32(s0, s1))); // Convert int32 to int16 ni0 = _mm_packs_epi32( ni0, ni1 ); @@ -1162,7 +1166,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { const float d = amax / ((1 << 7) - 1); const float id = d ? 1.0f/d : 0.0f; - y[i].d = d; + y[i].d = GGML_FP32_TO_FP16(d); vfloat32m4_t x0 = __riscv_vfmul_vf_f32m4(v_x, id, vl); @@ -1179,7 +1183,7 @@ void quantize_row_q8_1(const float * restrict x, void * restrict vy, int k) { // set y[i].s int sum = __riscv_vmv_x_s_i16m1_i16(vwrs); - y[i].s = sum*d; + y[i].s = GGML_FP32_TO_FP16(sum*d); } #else GGML_UNUSED(nb); @@ -4019,10 +4023,10 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r const block_q8_1 * restrict b_y0 = &vy0[i]; const block_q8_1 * restrict b_y1 = &vy1[i]; - float32x4_t summs_t = {GGML_FP16_TO_FP32(b_x0->m) * b_y0->s, - GGML_FP16_TO_FP32(b_x1->m) * b_y0->s, - GGML_FP16_TO_FP32(b_x0->m) * b_y1->s, - GGML_FP16_TO_FP32(b_x1->m) * b_y1->s}; + float32x4_t summs_t = {GGML_FP16_TO_FP32(b_x0->m) * GGML_FP16_TO_FP32(b_y0->s), + GGML_FP16_TO_FP32(b_x1->m) * GGML_FP16_TO_FP32(b_y0->s), + GGML_FP16_TO_FP32(b_x0->m) * GGML_FP16_TO_FP32(b_y1->s), + GGML_FP16_TO_FP32(b_x1->m) * GGML_FP16_TO_FP32(b_y1->s)}; summs0 += summs_t; const uint8x16_t m4b = vdupq_n_u8(0x0F); @@ -4087,7 +4091,7 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r const block_q8_1 * restrict y0 = &y[i + 0]; const block_q8_1 * restrict y1 = &y[i + 1]; - summs += GGML_FP16_TO_FP32(x0->m) * y0->s + GGML_FP16_TO_FP32(x1->m) * y1->s; + summs += GGML_FP16_TO_FP32(x0->m) * GGML_FP16_TO_FP32(y0->s) + GGML_FP16_TO_FP32(x1->m) * GGML_FP16_TO_FP32(y1->s); const uint8x16_t m4b = vdupq_n_u8(0x0F); @@ -4110,8 +4114,8 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r const int32x4_t p_0 = ggml_vdotq_s32(ggml_vdotq_s32(vdupq_n_s32(0), v0_0l, v1_0l), v0_0h, v1_0h); const int32x4_t p_1 = ggml_vdotq_s32(ggml_vdotq_s32(vdupq_n_s32(0), v0_1l, v1_1l), v0_1h, v1_1h); - sumv0 = vmlaq_n_f32(sumv0, vcvtq_f32_s32(p_0), GGML_FP16_TO_FP32(x0->d)*y0->d); - sumv1 = vmlaq_n_f32(sumv1, vcvtq_f32_s32(p_1), GGML_FP16_TO_FP32(x1->d)*y1->d); + sumv0 = vmlaq_n_f32(sumv0, vcvtq_f32_s32(p_0), GGML_FP16_TO_FP32(x0->d)*GGML_FP16_TO_FP32(y0->d)); + sumv1 = vmlaq_n_f32(sumv1, vcvtq_f32_s32(p_1), GGML_FP16_TO_FP32(x1->d)*GGML_FP16_TO_FP32(y1->d)); } *s = vaddvq_f32(sumv0) + vaddvq_f32(sumv1) + summs; @@ -4124,9 +4128,9 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r // Main loop for (int i = 0; i < nb; ++i) { const float d0 = GGML_FP16_TO_FP32(x[i].d); - const float d1 = y[i].d; + const float d1 = GGML_FP16_TO_FP32(y[i].d); - summs += GGML_FP16_TO_FP32(x[i].m) * y[i].s; + summs += GGML_FP16_TO_FP32(x[i].m) * GGML_FP16_TO_FP32(y[i].s); const __m256 d0v = _mm256_set1_ps( d0 ); const __m256 d1v = _mm256_set1_ps( d1 ); @@ -4178,7 +4182,7 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r int sumi = __riscv_vmv_x_s_i32m1_i32(vs2); - sumf += (GGML_FP16_TO_FP32(x[i].d)*y[i].d)*sumi + GGML_FP16_TO_FP32(x[i].m)*y[i].s; + sumf += (GGML_FP16_TO_FP32(x[i].d)*GGML_FP16_TO_FP32(y[i].d))*sumi + GGML_FP16_TO_FP32(x[i].m)*GGML_FP16_TO_FP32(y[i].s); } *s = sumf; @@ -4196,7 +4200,7 @@ void ggml_vec_dot_q4_1_q8_1(int n, float * restrict s, size_t bs, const void * r sumi += (v0 * y[i].qs[j]) + (v1 * y[i].qs[j + qk/2]); } - sumf += (GGML_FP16_TO_FP32(x[i].d)*y[i].d)*sumi + GGML_FP16_TO_FP32(x[i].m)*y[i].s; + sumf += (GGML_FP16_TO_FP32(x[i].d)*GGML_FP16_TO_FP32(y[i].d))*sumi + GGML_FP16_TO_FP32(x[i].m)*GGML_FP16_TO_FP32(y[i].s); } *s = sumf; @@ -4532,8 +4536,8 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r const uint8x16_t m4b = vdupq_n_u8(0x0F); - summs0 += GGML_FP16_TO_FP32(x0->m) * y0->s; - summs1 += GGML_FP16_TO_FP32(x1->m) * y1->s; + summs0 += GGML_FP16_TO_FP32(x0->m) * GGML_FP16_TO_FP32(y0->s); + summs1 += GGML_FP16_TO_FP32(x1->m) * GGML_FP16_TO_FP32(y1->s); // extract the 5th bit via lookup table ((b) << 4) memcpy(&qh0, x0->qh, sizeof(qh0)); @@ -4577,10 +4581,10 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r sumv0 = vmlaq_n_f32(sumv0, vcvtq_f32_s32(vaddq_s32( ggml_vdotq_s32(vdupq_n_s32(0), v0_0lf, v1_0l), - ggml_vdotq_s32(vdupq_n_s32(0), v0_0hf, v1_0h))), GGML_FP16_TO_FP32(x0->d)*y0->d); + ggml_vdotq_s32(vdupq_n_s32(0), v0_0hf, v1_0h))), GGML_FP16_TO_FP32(x0->d)*GGML_FP16_TO_FP32(y0->d)); sumv1 = vmlaq_n_f32(sumv1, vcvtq_f32_s32(vaddq_s32( ggml_vdotq_s32(vdupq_n_s32(0), v0_1lf, v1_1l), - ggml_vdotq_s32(vdupq_n_s32(0), v0_1hf, v1_1h))), GGML_FP16_TO_FP32(x1->d)*y1->d); + ggml_vdotq_s32(vdupq_n_s32(0), v0_1hf, v1_1h))), GGML_FP16_TO_FP32(x1->d)*GGML_FP16_TO_FP32(y1->d)); } *s = vaddvq_f32(sumv0) + vaddvq_f32(sumv1) + summs0 + summs1; @@ -4597,7 +4601,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r const block_q5_1 * restrict x0 = &x[i]; const block_q8_1 * restrict y0 = &y[i]; - summs += GGML_FP16_TO_FP32(x0->m) * y0->s; + summs += GGML_FP16_TO_FP32(x0->m) * GGML_FP16_TO_FP32(y0->s); const v128_t m4b = wasm_i8x16_splat(0x0F); @@ -4644,7 +4648,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r wasm_i32x4_dot_i16x8(v0lfh, v1lh)), wasm_i32x4_add(wasm_i32x4_dot_i16x8(v0hfl, v1hl), wasm_i32x4_dot_i16x8(v0hfh, v1hh)))), - wasm_f32x4_splat(GGML_FP16_TO_FP32(x0->d) * y0->d))); + wasm_f32x4_splat(GGML_FP16_TO_FP32(x0->d) * GGML_FP16_TO_FP32(y0->d)))); } *s = wasm_f32x4_extract_lane(sumv, 0) + wasm_f32x4_extract_lane(sumv, 1) + @@ -4659,14 +4663,14 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r for (int i = 0; i < nb; i++) { const __m256 dx = _mm256_set1_ps(GGML_FP16_TO_FP32(x[i].d)); - summs += GGML_FP16_TO_FP32(x[i].m) * y[i].s; + summs += GGML_FP16_TO_FP32(x[i].m) * GGML_FP16_TO_FP32(y[i].s); __m256i qx = bytes_from_nibbles_32(x[i].qs); __m256i bxhi = bytes_from_bits_32(x[i].qh); bxhi = _mm256_and_si256(bxhi, _mm256_set1_epi8(0x10)); qx = _mm256_or_si256(qx, bxhi); - const __m256 dy = _mm256_set1_ps(y[i].d); + const __m256 dy = _mm256_set1_ps(GGML_FP16_TO_FP32(y[i].d)); const __m256i qy = _mm256_loadu_si256((const __m256i *)y[i].qs); const __m256 q = mul_sum_us8_pairs_float(qx, qy); @@ -4686,7 +4690,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r for (int i = 0; i < nb; i++) { const __m256 dx = _mm256_set1_ps(GGML_FP16_TO_FP32(x[i].d)); - summs += GGML_FP16_TO_FP32(x[i].m) * y[i].s; + summs += GGML_FP16_TO_FP32(x[i].m) * GGML_FP16_TO_FP32(y[i].s); __m256i bx_0 = bytes_from_nibbles_32(x[i].qs); const __m256i bxhi = bytes_from_bits_32(x[i].qh); @@ -4700,7 +4704,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r bxh = _mm_or_si128(bxh, bxhih); bx_0 = MM256_SET_M128I(bxh, bxl); - const __m256 dy = _mm256_set1_ps(y[i].d); + const __m256 dy = _mm256_set1_ps(GGML_FP16_TO_FP32(y[i].d)); const __m256i by_0 = _mm256_loadu_si256((const __m256i *)y[i].qs); const __m256 q = mul_sum_us8_pairs_float(bx_0, by_0); @@ -4767,7 +4771,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r int sumi = __riscv_vmv_x_s_i32m1_i32(vs2); - sumf += (GGML_FP16_TO_FP32(x[i].d)*y[i].d)*sumi + GGML_FP16_TO_FP32(x[i].m)*y[i].s; + sumf += (GGML_FP16_TO_FP32(x[i].d)*GGML_FP16_TO_FP32(y[i].d))*sumi + GGML_FP16_TO_FP32(x[i].m)*GGML_FP16_TO_FP32(y[i].s); } *s = sumf; @@ -4791,7 +4795,7 @@ void ggml_vec_dot_q5_1_q8_1(int n, float * restrict s, size_t bs, const void * r sumi += (x0 * y[i].qs[j]) + (x1 * y[i].qs[j + qk/2]); } - sumf += (GGML_FP16_TO_FP32(x[i].d)*y[i].d)*sumi + GGML_FP16_TO_FP32(x[i].m)*y[i].s; + sumf += (GGML_FP16_TO_FP32(x[i].d)*GGML_FP16_TO_FP32(y[i].d))*sumi + GGML_FP16_TO_FP32(x[i].m)*GGML_FP16_TO_FP32(y[i].s); } *s = sumf; diff --git a/ggml-quants.h b/ggml-quants.h index 74aabf4156385..aa7e54a16e867 100644 --- a/ggml-quants.h +++ b/ggml-quants.h @@ -1,247 +1,11 @@ #pragma once -// GGML internal header - -#include "ggml-impl.h" - -#include -#include - -#define QK4_0 32 -typedef struct { - ggml_fp16_t d; // delta - uint8_t qs[QK4_0 / 2]; // nibbles / quants -} block_q4_0; -static_assert(sizeof(block_q4_0) == sizeof(ggml_fp16_t) + QK4_0 / 2, "wrong q4_0 block size/padding"); - -#define QK4_1 32 -typedef struct { - ggml_fp16_t d; // delta - ggml_fp16_t m; // min - uint8_t qs[QK4_1 / 2]; // nibbles / quants -} block_q4_1; -static_assert(sizeof(block_q4_1) == 2 * sizeof(ggml_fp16_t) + QK4_1 / 2, "wrong q4_1 block size/padding"); - -#define QK5_0 32 -typedef struct { - ggml_fp16_t d; // delta - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_0 / 2]; // nibbles / quants -} block_q5_0; -static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding"); - -#define QK5_1 32 -typedef struct { - ggml_fp16_t d; // delta - ggml_fp16_t m; // min - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_1 / 2]; // nibbles / quants -} block_q5_1; -static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding"); - -#define QK8_0 32 -typedef struct { - ggml_fp16_t d; // delta - int8_t qs[QK8_0]; // quants -} block_q8_0; -static_assert(sizeof(block_q8_0) == sizeof(ggml_fp16_t) + QK8_0, "wrong q8_0 block size/padding"); - -#define QK8_1 32 -typedef struct { - float d; // delta - float s; // d * sum(qs[i]) - int8_t qs[QK8_1]; // quants -} block_q8_1; -static_assert(sizeof(block_q8_1) == 2*sizeof(float) + QK8_1, "wrong q8_1 block size/padding"); - -// -// Super-block quantization structures -// - -// Super-block size -#ifdef GGML_QKK_64 -#define QK_K 64 -#define K_SCALE_SIZE 4 -#else -#define QK_K 256 -#define K_SCALE_SIZE 12 -#endif - -// 2-bit quantization -// weight is represented as x = a * q + b -// 16 blocks of 16 elements each -// Effectively 2.625 bits per weight -typedef struct { - uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits - uint8_t qs[QK_K/4]; // quants - ggml_fp16_t d; // super-block scale for quantized scales - ggml_fp16_t dmin; // super-block scale for quantized mins -} block_q2_K; -static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_fp16_t) + QK_K/16 + QK_K/4, "wrong q2_K block size/padding"); - -// 3-bit quantization -// weight is represented as x = a * q -// 16 blocks of 16 elements each -// Effectively 3.4375 bits per weight -#ifdef GGML_QKK_64 -typedef struct { - uint8_t hmask[QK_K/8]; // quants - high bit - uint8_t qs[QK_K/4]; // quants - low 2 bits - uint8_t scales[2]; - ggml_fp16_t d; // super-block scale -} block_q3_K; -static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + 2, "wrong q3_K block size/padding"); -#else -typedef struct { - uint8_t hmask[QK_K/8]; // quants - high bit - uint8_t qs[QK_K/4]; // quants - low 2 bits - uint8_t scales[12]; // scales, quantized with 6 bits - ggml_fp16_t d; // super-block scale -} block_q3_K; -static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + 12, "wrong q3_K block size/padding"); -#endif +#define GGML_COMMON_DECL_C +#include "ggml-common.h" -// 4-bit quantization -// 8 blocks of 32 elements each -// weight is represented as x = a * q + b -// Effectively 4.5 bits per weight -#ifdef GGML_QKK_64 -typedef struct { - ggml_fp16_t d[2]; // super-block scales/mins - uint8_t scales[2]; // 4-bit block scales/mins - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + QK_K/2 + 2, "wrong q4_K block size/padding"); -#else -typedef struct { - ggml_fp16_t d; // super-block scale for quantized scales - ggml_fp16_t dmin; // super-block scale for quantized mins - uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2, "wrong q4_K block size/padding"); -#endif - -// 5-bit quantization -// 8 blocks of 32 elements each -// weight is represented as x = a * q + b -// Effectively 5.5 bits per weight -#ifdef GGML_QKK_64 -typedef struct { - ggml_fp16_t d; // super-block scale - int8_t scales[QK_K/16]; // 8-bit block scales - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == sizeof(ggml_fp16_t) + QK_K/2 + QK_K/8 + QK_K/16, "wrong q5_K block size/padding"); -#else -typedef struct { - ggml_fp16_t d; // super-block scale for quantized scales - ggml_fp16_t dmin; // super-block scale for quantized mins - uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2 + QK_K/8, "wrong q5_K block size/padding"); -#endif - -// 6-bit quantization -// weight is represented as x = a * q -// 16 blocks of 16 elements each -// Effectively 6.5625 bits per weight -typedef struct { - uint8_t ql[QK_K/2]; // quants, lower 4 bits - uint8_t qh[QK_K/4]; // quants, upper 2 bits - int8_t scales[QK_K/16]; // scales, quantized with 8 bits - ggml_fp16_t d; // super-block scale -} block_q6_K; -static_assert(sizeof(block_q6_K) == sizeof(ggml_fp16_t) + QK_K / 16 + 3*QK_K/4, "wrong q6_K block size/padding"); - -// This is only used for intermediate quantization and dot products -typedef struct { - float d; // delta - int8_t qs[QK_K]; // quants - int16_t bsums[QK_K/16]; // sum of quants in groups of 16 -} block_q8_K; -static_assert(sizeof(block_q8_K) == sizeof(float) + QK_K + QK_K/16*sizeof(int16_t), "wrong q8_K block size/padding"); - -// (Almost) "true" 2-bit quantization. -// Due to the need to use blocks as per ggml design, it ends up using -// 2.0625 bpw because of the 16-bit scale for each block of 256. -typedef struct { - ggml_fp16_t d; - uint16_t qs[QK_K/8]; -} block_iq2_xxs; -static_assert(sizeof(block_iq2_xxs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t), "wrong iq2_xxs block size/padding"); - -// 2.3125 bpw quants -typedef struct { - ggml_fp16_t d; - uint16_t qs[QK_K/8]; - uint8_t scales[QK_K/32]; -} block_iq2_xs; -static_assert(sizeof(block_iq2_xs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t) + QK_K/32, "wrong iq2_xs block size/padding"); - -// 2.5625 bpw quants -typedef struct { - ggml_fp16_t d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t scales[QK_K/32]; -} block_iq2_s; -static_assert(sizeof(block_iq2_s) == sizeof(ggml_fp16_t) + QK_K/4 + QK_K/16, "wrong iq2_s block size/padding"); +#include "ggml.h" -// (Almost) "true" 3-bit quantization. -// Due to the need to use blocks as per ggml design, it ends up using -// 3.0625 bpw because of the 16-bit scale for each block of 256. -typedef struct { - ggml_fp16_t d; - uint8_t qs[3*QK_K/8]; -} block_iq3_xxs; -static_assert(sizeof(block_iq3_xxs) == sizeof(ggml_fp16_t) + 3*(QK_K/8), "wrong iq3_xxs block size/padding"); - -// 3.4375 bpw -#if QK_K == 64 -#define IQ3S_N_SCALE 2 -#else -#define IQ3S_N_SCALE QK_K/64 -#endif -typedef struct { - ggml_fp16_t d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t signs[QK_K/8]; - uint8_t scales[IQ3S_N_SCALE]; -} block_iq3_s; -static_assert(sizeof(block_iq3_s) == sizeof(ggml_fp16_t) + 13*(QK_K/32) + IQ3S_N_SCALE, "wrong iq3_s block size/padding"); - -typedef struct { - ggml_fp16_t d; - uint8_t qs[QK_K/8]; - uint16_t qh[QK_K/32]; -} block_iq1_s; -static_assert(sizeof(block_iq1_s) == sizeof(ggml_fp16_t) + QK_K/8 + QK_K/16, "wrong iq1_s block size/padding"); - -// Non-linear quants -#define QK4_NL 32 -typedef struct { - ggml_fp16_t d; - uint8_t qs[QK4_NL/2]; -} block_iq4_nl; -static_assert(sizeof(block_iq4_nl) == sizeof(ggml_fp16_t) + QK4_NL/2, "wrong iq4_nl block size/padding"); - -#if QK_K == 64 -#define block_iq4_xs block_iq4_nl -//typedef struct block_iq4_nl block_iq4_xs; -#else -typedef struct { - ggml_fp16_t d; - uint16_t scales_h; - uint8_t scales_l[QK_K/64]; - uint8_t qs[QK_K/2]; -} block_iq4_xs; -static_assert(sizeof(block_iq4_xs) == sizeof(ggml_fp16_t) + sizeof(uint16_t) + QK_K/64 + QK_K/2, "wrong iq4_xs block size/padding"); -#endif +// GGML internal header #ifdef __cplusplus extern "C" { diff --git a/ggml-sycl.cpp b/ggml-sycl.cpp index 24187e7d5bc2d..cfb09934d40c3 100644 --- a/ggml-sycl.cpp +++ b/ggml-sycl.cpp @@ -3144,6 +3144,7 @@ namespace dpct } // COPY from DPCT head files +#define GGML_COMMON_DECL_SYCL #define GGML_COMMON_IMPL_SYCL #include "ggml-common.h" @@ -3312,66 +3313,6 @@ typedef void (*ggml_sycl_op_flatten_t)(const ggml_tensor *src0, const float *src1_dd, float *dst_dd, const dpct::queue_ptr &main_stream); -// QK = number of values after dequantization -// QR = QK / number of values before dequantization -// QI = number of 32 bit integers before dequantization - -#define QK4_0 32 -#define QR4_0 2 -#define QI4_0 (QK4_0 / (4 * QR4_0)) -typedef struct dpct_type_block_q4_0 { - sycl::half d; // delta - uint8_t qs[QK4_0 / 2]; // nibbles / quants -} block_q4_0; -static_assert(sizeof(block_q4_0) == sizeof(ggml_fp16_t) + QK4_0 / 2, "wrong q4_0 block size/padding"); - -#define QK4_1 32 -#define QR4_1 2 -#define QI4_1 (QK4_1 / (4 * QR4_1)) -typedef struct dpct_type_block_q4_1 { - sycl::half2 dm; // dm.x = delta, dm.y = min - uint8_t qs[QK4_1 / 2]; // nibbles / quants -} block_q4_1; -static_assert(sizeof(block_q4_1) == sizeof(ggml_fp16_t) * 2 + QK4_1 / 2, "wrong q4_1 block size/padding"); - -#define QK5_0 32 -#define QR5_0 2 -#define QI5_0 (QK5_0 / (4 * QR5_0)) -typedef struct dpct_type_block_q5_0 { - sycl::half d; // delta - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_0 / 2]; // nibbles / quants -} block_q5_0; -static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding"); - -#define QK5_1 32 -#define QR5_1 2 -#define QI5_1 (QK5_1 / (4 * QR5_1)) -typedef struct dpct_type_block_q5_1 { - sycl::half2 dm; // dm.x = delta, dm.y = min - uint8_t qh[4]; // 5-th bit of quants - uint8_t qs[QK5_1 / 2]; // nibbles / quants -} block_q5_1; -static_assert(sizeof(block_q5_1) == 2 * sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_1 / 2, "wrong q5_1 block size/padding"); - -#define QK8_0 32 -#define QR8_0 1 -#define QI8_0 (QK8_0 / (4 * QR8_0)) -typedef struct dpct_type_block_q8_0 { - sycl::half d; // delta - int8_t qs[QK8_0]; // quants -} block_q8_0; -static_assert(sizeof(block_q8_0) == sizeof(ggml_fp16_t) + QK8_0, "wrong q8_0 block size/padding"); - -#define QK8_1 32 -#define QR8_1 1 -#define QI8_1 (QK8_1 / (4 * QR8_1)) -typedef struct dpct_type_block_q8_1 { - sycl::half2 ds; // ds.x = delta, ds.y = sum - int8_t qs[QK8_0]; // quants -} block_q8_1; -static_assert(sizeof(block_q8_1) == 2*sizeof(ggml_fp16_t) + QK8_0, "wrong q8_1 block size/padding"); - typedef float (*vec_dot_q_sycl_t)(const void * __restrict__ vbq, const block_q8_1 * __restrict__ bq8_1, const int & iqs); typedef void (*allocate_tiles_sycl_t)(int **x_ql, sycl::half2 **x_dm, int **x_qh, int **x_sc); @@ -3388,137 +3329,6 @@ typedef float (*vec_dot_q_mul_mat_sycl_t)( const int *__restrict__ y_qs, const sycl::half2 *__restrict__ y_ms, const int &i, const int &j, const int &k); -//================================= k-quants - -#ifdef GGML_QKK_64 -#define QK_K 64 -#define K_SCALE_SIZE 4 -#else -#define QK_K 256 -#define K_SCALE_SIZE 12 -#endif - -#define QR2_K 4 -#define QI2_K (QK_K / (4*QR2_K)) -typedef struct dpct_type_block_q2_K { - uint8_t scales[QK_K/16]; // scales and mins, quantized with 4 bits - uint8_t qs[QK_K/4]; // quants - sycl::half2 dm; // super-block scale for quantized scales/mins -} block_q2_K; -static_assert(sizeof(block_q2_K) == 2*sizeof(ggml_fp16_t) + QK_K/16 + QK_K/4, "wrong q2_K block size/padding"); - -#define QR3_K 4 -#define QI3_K (QK_K / (4*QR3_K)) -typedef struct dpct_type_block_q3_K { - uint8_t hmask[QK_K/8]; // quants - high bit - uint8_t qs[QK_K/4]; // quants - low 2 bits -#ifdef GGML_QKK_64 - uint8_t scales[2]; // scales, quantized with 8 bits -#else - uint8_t scales[K_SCALE_SIZE]; // scales, quantized with 6 bits -#endif - sycl::half d; // super-block scale -} block_q3_K; -//static_assert(sizeof(block_q3_K) == sizeof(ggml_fp16_t) + QK_K / 4 + QK_K / 8 + K_SCALE_SIZE, "wrong q3_K block size/padding"); - -#define QR4_K 2 -#define QI4_K (QK_K / (4*QR4_K)) -#ifdef GGML_QKK_64 -typedef struct { - sycl::half dm[2]; // super-block scales/mins - uint8_t scales[2]; // 4-bit block scales/mins - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == sizeof(sycl::half2) + QK_K/2 + 2, "wrong q4_K block size/padding"); -#else -typedef struct dpct_type_block_q4_K { - sycl::half2 dm; // super-block scale for quantized scales/mins - uint8_t scales[3*QK_K/64]; // scales, quantized with 6 bits - uint8_t qs[QK_K/2]; // 4--bit quants -} block_q4_K; -static_assert(sizeof(block_q4_K) == 2*sizeof(ggml_fp16_t) + 3*QK_K/64 + QK_K/2, "wrong q4_K block size/padding"); -#endif - -#define QR5_K 2 -#define QI5_K (QK_K / (4*QR5_K)) -#ifdef GGML_QKK_64 -typedef struct { - sycl::half d; // super-block scale - int8_t scales[QK_K/16]; // block scales - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == sizeof(ggml_fp16_t) + QK_K/2 + QK_K/8 + QK_K/16, "wrong q5_K block size/padding"); -#else -typedef struct dpct_type_block_q5_K { - sycl::half2 dm; // super-block scale for quantized scales/mins - uint8_t scales[K_SCALE_SIZE]; // scales and mins, quantized with 6 bits - uint8_t qh[QK_K/8]; // quants, high bit - uint8_t qs[QK_K/2]; // quants, low 4 bits -} block_q5_K; -static_assert(sizeof(block_q5_K) == 2*sizeof(ggml_fp16_t) + K_SCALE_SIZE + QK_K/2 + QK_K/8, "wrong q5_K block size/padding"); -#endif - -#define QR6_K 2 -#define QI6_K (QK_K / (4*QR6_K)) -typedef struct dpct_type_block_q6_K { - uint8_t ql[QK_K/2]; // quants, lower 4 bits - uint8_t qh[QK_K/4]; // quants, upper 2 bits - int8_t scales[QK_K/16]; // scales - sycl::half d; // delta -} block_q6_K; -static_assert(sizeof(block_q6_K) == sizeof(ggml_fp16_t) + 13*QK_K/16, "wrong q6_K block size/padding"); - -#define QR2_XXS 8 -#define QI2_XXS (QK_K / (4*QR2_XXS)) -typedef struct dpct_type_block_iq2_xxs { - sycl::half d; - uint16_t qs[QK_K/8]; -} block_iq2_xxs; -static_assert(sizeof(block_iq2_xxs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t), "wrong iq2_xxs block size/padding"); - -#define QR2_XS 8 -#define QI2_XS (QK_K / (4*QR2_XS)) -typedef struct dpct_type_block_iq2_xs { - sycl::half d; - uint16_t qs[QK_K/8]; - uint8_t scales[QK_K/32]; -} block_iq2_xs; -static_assert(sizeof(block_iq2_xs) == sizeof(ggml_fp16_t) + QK_K/8*sizeof(uint16_t) + QK_K/32, "wrong iq2_xs block size/padding"); - -#define QR3_XXS 8 -#define QI3_XXS (QK_K / (4*QR3_XXS)) -typedef struct dpct_type_block_iq3_xxs { - sycl::half d; - uint8_t qs[3*(QK_K/8)]; -} block_iq3_xxs; -static_assert(sizeof(block_iq3_xxs) == sizeof(ggml_fp16_t) + 3*(QK_K/8), "wrong iq3_xxs block size/padding"); - -#define QR3_XS 8 -#define QI3_XS (QK_K / (4*QR3_XS)) -#if QK_K == 64 -#define IQ3S_N_SCALE 2 -#else -#define IQ3S_N_SCALE QK_K/64 -#endif -typedef struct { - sycl::half d; - uint8_t qs[QK_K/4]; - uint8_t qh[QK_K/32]; - uint8_t signs[QK_K/8]; - uint8_t scales[IQ3S_N_SCALE]; -} block_iq3_s; -static_assert(sizeof(block_iq3_s) == sizeof(ggml_fp16_t) + 13*(QK_K/32) + IQ3S_N_SCALE, "wrong iq3_s block size/padding"); - -#define QR1_S 8 -#define QI1_S (QK_K / (4*QR1_S)) -typedef struct { - sycl::half d; - uint8_t qs[QK_K/8]; - uint16_t qh[QK_K/32]; -} block_iq1_s; -static_assert(sizeof(block_iq1_s) == sizeof(ggml_fp16_t) + QK_K/8 + QK_K/16, "wrong iq1_s block size/padding"); - #define WARP_SIZE 32 #define MATRIX_ROW_PADDING 512 // last row of quant. matrices is a multiple of this to avoid out-of-bounds memory accesses