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ggml-vulkan.cpp
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#include "ggml-vulkan.h"
#ifdef GGML_VULKAN_RUN_TESTS
#include <chrono>
#endif
#include <vulkan/vulkan.hpp>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <limits>
#include <tuple>
#include <vector>
#include <sstream>
#include <utility>
#include <memory>
#include "ggml.h"
#include "ggml-backend-impl.h"
#include "ggml-vulkan-shaders.hpp"
#define VK_API_VERSION VK_API_VERSION_1_2
#define CEIL_DIV(M, N) (((M) + (N)-1) / (N))
#define VK_VENDOR_ID_AMD 0x1002
#define VK_VENDOR_ID_APPLE 0x106b
#define VK_VENDOR_ID_INTEL 0x8086
#define VK_VENDOR_ID_NVIDIA 0x10de
#define VK_DEVICE_DESCRIPTOR_POOL_MODE_UNKNOWN 0
#define VK_DEVICE_DESCRIPTOR_POOL_MODE_MULTI 1
#define VK_DEVICE_DESCRIPTOR_POOL_MODE_SINGLE 2
#define VK_NUM_TYPES 16
#define GGML_VK_MAX_NODES 8192
#define MAX_VK_BUFFERS 256
#ifndef K_QUANTS_PER_ITERATION
#define K_QUANTS_PER_ITERATION 1
#else
static_assert(K_QUANTS_PER_ITERATION == 1 || K_QUANTS_PER_ITERATION == 2, "K_QUANTS_PER_ITERATION must be 1 or 2");
#endif
#define VK_CHECK(err, msg) \
do { \
vk::Result err_ = (err); \
if (err_ != vk::Result::eSuccess) { \
fprintf(stderr, "ggml_vulkan: %s error %s at %s:%d\n", \
#err, to_string(err_).c_str(), __FILE__, __LINE__); \
exit(1); \
} \
} while (0)
struct ggml_backend_vk_context;
struct vk_queue {
uint32_t queue_family_index;
vk::Queue queue;
vk::CommandPool pool;
uint32_t cmd_buffer_idx;
std::vector<vk::CommandBuffer> cmd_buffers;
vk::PipelineStageFlags stage_flags;
};
struct vk_pipeline_struct {
std::string name;
vk::ShaderModule shader_module;
vk::DescriptorSetLayout dsl;
std::vector<vk::DescriptorPool> descriptor_pools;
std::vector<vk::DescriptorSet> descriptor_sets;
uint32_t descriptor_set_idx;
vk::PipelineLayout layout;
vk::Pipeline pipeline;
uint32_t push_constant_size;
uint32_t parameter_count;
std::array<uint32_t, 3> wg_denoms;
uint32_t align;
};
typedef std::shared_ptr<vk_pipeline_struct> vk_pipeline;
typedef std::weak_ptr<vk_pipeline_struct> vk_pipeline_ref;
static void ggml_vk_destroy_pipeline(vk::Device& device, vk_pipeline& pipeline);
struct vk_matmul_pipeline_struct {
vk_pipeline l, m, s;
vk_pipeline a_l, a_m, a_s;
};
typedef std::shared_ptr<vk_matmul_pipeline_struct> vk_matmul_pipeline;
struct vk_device {
vk::PhysicalDevice physical_device;
vk::PhysicalDeviceProperties properties;
std::string name;
uint64_t max_memory_allocation_size;
bool fp16;
vk::Device device;
uint32_t vendor_id;
vk_queue compute_queue;
vk_queue transfer_queue;
bool single_queue;
uint32_t descriptor_set_mode;
uint32_t subgroup_size;
bool uma;
bool initialized;
size_t idx;
vk_matmul_pipeline pipeline_matmul_f32;
vk_matmul_pipeline pipeline_matmul_f32_f16;
vk_matmul_pipeline pipeline_matmul_f16;
vk_matmul_pipeline pipeline_matmul_f16_f32;
vk_pipeline pipeline_matmul_split_k_reduce;
vk_matmul_pipeline pipeline_dequant_mul_mat_mat[VK_NUM_TYPES];
vk_matmul_pipeline pipeline_matmul_id_f32;
vk_matmul_pipeline pipeline_matmul_id_f16;
vk_matmul_pipeline pipeline_matmul_id_f16_f32;
vk_matmul_pipeline pipeline_dequant_mul_mat_mat_id[VK_NUM_TYPES];
vk_pipeline pipeline_dequant[VK_NUM_TYPES];
vk_pipeline pipeline_dequant_mul_mat_vec_f32_f32[VK_NUM_TYPES];
vk_pipeline pipeline_dequant_mul_mat_vec_f16_f32[VK_NUM_TYPES];
vk_pipeline pipeline_dequant_mul_mat_vec_id_f32[VK_NUM_TYPES];
vk_pipeline pipeline_mul_mat_vec_p021_f16_f32;
vk_pipeline pipeline_mul_mat_vec_nc_f16_f32;
vk_pipeline pipeline_get_rows[VK_NUM_TYPES];
vk_pipeline pipeline_get_rows_f32[VK_NUM_TYPES];
vk_pipeline pipeline_mul_f32;
vk_pipeline pipeline_add_f32;
vk_pipeline pipeline_scale_f32;
vk_pipeline pipeline_sqr_f32;
vk_pipeline pipeline_clamp_f32;
vk_pipeline pipeline_cpy_f32_f32, pipeline_cpy_f32_f16, pipeline_cpy_f16_f16;
vk_pipeline pipeline_norm_f32;
vk_pipeline pipeline_rms_norm_f32;
vk_pipeline pipeline_gelu_f32;
vk_pipeline pipeline_silu_f32;
vk_pipeline pipeline_relu_f32;
vk_pipeline pipeline_diag_mask_inf_f32;
vk_pipeline pipeline_soft_max_f32, pipeline_soft_max_f32_f16;
vk_pipeline pipeline_rope_f32, pipeline_rope_f16;
vk_pipeline pipeline_rope_neox_f32, pipeline_rope_neox_f16;
vk_pipeline pipeline_argsort_f32;
std::vector<vk_pipeline_ref> pipelines;
~vk_device() {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "destroy device " << name << std::endl;
#endif
device.destroyCommandPool(compute_queue.pool);
if (!single_queue) {
device.destroyCommandPool(transfer_queue.pool);
}
for (auto& pipeline : pipelines) {
if (pipeline.expired()) {
continue;
}
vk_pipeline pl = pipeline.lock();
ggml_vk_destroy_pipeline(device, pl);
}
pipelines.clear();
device.destroy();
}
};
struct vk_buffer_struct {
vk::Buffer buffer;
vk::DeviceMemory device_memory;
vk::MemoryPropertyFlags memory_property_flags;
void * ptr;
size_t size = 0;
ggml_backend_vk_context * ctx;
std::shared_ptr<vk_device> device;
~vk_buffer_struct() {
if (size == 0) {
return;
}
#ifdef GGML_VULKAN_DEBUG
std::cerr << "~vk_buffer_struct(" << buffer << ", " << size << ")" << std::endl;
#endif
device->device.freeMemory(device_memory);
device->device.destroyBuffer(buffer);
}
};
typedef std::shared_ptr<vk_buffer_struct> vk_buffer;
typedef std::weak_ptr<vk_buffer_struct> vk_buffer_ref;
struct vk_subbuffer {
vk_buffer buffer;
uint64_t offset;
uint64_t size;
};
struct vk_semaphore {
vk::Semaphore s;
uint64_t value;
};
struct vk_submission {
vk::CommandBuffer buffer;
std::vector<vk_semaphore> wait_semaphores;
std::vector<vk_semaphore> signal_semaphores;
};
typedef std::vector<vk_submission> vk_sequence;
struct vk_mat_mat_push_constants {
uint32_t M; uint32_t N; uint32_t K;
uint32_t stride_a; uint32_t stride_b; uint32_t stride_d; uint32_t k_split;
uint32_t ne02; uint32_t ne12; uint32_t broadcast2; uint32_t broadcast3;
uint32_t batch_stride_a; uint32_t batch_stride_b; uint32_t batch_stride_d;
uint32_t expert_stride_b; uint32_t expert_stride_d;
uint32_t idx; uint32_t nbi1; uint32_t n_as;
};
struct vk_mat_vec_push_constants {
uint32_t ncols; uint32_t stride_a; uint32_t stride_b; uint32_t stride_d;
uint32_t ne02; uint32_t ne12; uint32_t broadcast2; uint32_t broadcast3;
uint32_t batch_stride_a; uint32_t batch_stride_b; uint32_t batch_stride_d;
};
struct vk_op_push_constants {
uint32_t KX;
uint32_t KY;
float param1;
float param2;
};
struct vk_op_unary_push_constants {
uint32_t ne;
uint32_t ne00; uint32_t ne01; uint32_t ne02; uint32_t ne03; uint32_t nb00; uint32_t nb01; uint32_t nb02; uint32_t nb03;
uint32_t ne10; uint32_t ne11; uint32_t ne12; uint32_t ne13; uint32_t nb10; uint32_t nb11; uint32_t nb12; uint32_t nb13;
uint32_t d_offset;
float param1; float param2;
};
struct vk_op_binary_push_constants {
uint32_t ne;
uint32_t ne00; uint32_t ne01; uint32_t ne02; uint32_t ne03; uint32_t nb00; uint32_t nb01; uint32_t nb02; uint32_t nb03;
uint32_t ne10; uint32_t ne11; uint32_t ne12; uint32_t ne13; uint32_t nb10; uint32_t nb11; uint32_t nb12; uint32_t nb13;
uint32_t ne20; uint32_t ne21; uint32_t ne22; uint32_t ne23; uint32_t nb20; uint32_t nb21; uint32_t nb22; uint32_t nb23;
uint32_t d_offset;
float param1; float param2;
};
struct vk_op_diag_mask_push_constants {
uint32_t ncols;
uint32_t rows_per_channel;
int32_t n_past;
};
struct vk_op_rope_push_constants {
uint32_t ncols;
float freq_scale;
uint32_t p_delta_rows;
float freq_base;
float ext_factor;
float attn_factor;
float corr_dims[4];
};
struct vk_op_rope_neox_push_constants {
uint32_t ncols;
uint32_t ndims;
float freq_scale;
uint32_t p_delta_rows;
float freq_base;
float ext_factor;
float attn_factor;
float corr_dims[4];
float theta_scale;
float inv_ndims;
};
struct vk_op_soft_max_push_constants {
uint32_t KX;
uint32_t KY;
float scale;
float max_bias;
float m0;
float m1;
uint32_t n_head_log2;
};
struct vk_op_argsort_push_constants {
uint32_t ncols;
uint32_t ncols_pad;
int32_t order;
};
// Allow pre-recording command buffers
struct vk_staging_memcpy {
vk_staging_memcpy(void * _dst, const void * _src, size_t _n) : dst(_dst), src(_src), n(_n) {}
void * dst;
const void * src;
size_t n;
};
struct vk_context {
size_t idx;
vk_submission * s;
std::vector<vk_sequence> seqs;
ggml_tensor * exit_tensor;
std::vector<vk_staging_memcpy> in_memcpys;
std::vector<vk_staging_memcpy> out_memcpys;
vk_queue * q;
};
struct ggml_tensor_extra_gpu {
bool ready;
size_t ctx_idx;
vk_buffer_ref buffer_gpu;
uint64_t offset;
void reset() {
ready = false;
ctx_idx = 0;
buffer_gpu.reset();
offset = 0;
}
};
struct ggml_vk_garbage_collector {
std::vector<vk_semaphore> tl_semaphores;
std::vector<vk_semaphore> semaphores;
std::vector<vk::Event> events;
std::vector<vk_buffer> temp_buffers;
std::vector<vk_context> contexts;
};
struct ggml_backend_vk_context {
std::string name;
std::shared_ptr<vk_device> device;
size_t semaphore_idx, event_idx;
ggml_vk_garbage_collector gc;
std::vector<std::tuple<void*, size_t, vk_buffer>> pinned_memory;
size_t prealloc_size_x, prealloc_size_y, prealloc_size_split_k;
vk_buffer prealloc_x, prealloc_y, prealloc_split_k;
vk::Fence fence;
vk_buffer staging;
size_t staging_size;
size_t staging_offset;
vk_buffer sync_staging;
vk_buffer buffer_pool[MAX_VK_BUFFERS];
vk_context * compute_ctx;
vk_context * transfer_ctx;
bool initialized;
size_t idx;
};
struct vk_instance_t {
vk::Instance instance;
std::vector<size_t> device_indices;
ggml_backend_t backends[GGML_VK_MAX_DEVICES];
ggml_backend_vk_context contexts[GGML_VK_MAX_DEVICES];
ggml_backend_buffer_type buffer_types[GGML_VK_MAX_DEVICES];
bool initialized[GGML_VK_MAX_DEVICES];
};
static std::shared_ptr<vk_device> ggml_vk_get_device(size_t idx) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_get_device(" << idx << ")" << std::endl;
#endif
static std::weak_ptr<vk_device> devices[GGML_VK_MAX_DEVICES];
if (devices[idx].expired()) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "Initializing new vk_device" << std::endl;
#endif
std::shared_ptr<vk_device> device = std::make_shared<vk_device>();
device->initialized = false;
devices[idx] = device;
return device;
}
return devices[idx].lock();
}
#ifdef GGML_VULKAN_CHECK_RESULTS
static size_t vk_skip_checks;
static size_t vk_output_tensor;
static void ggml_vk_print_tensor(ggml_backend * ctx, const ggml_tensor * tensor, const char * name);
static void ggml_vk_check_results_0(ggml_backend_vk_context * ctx, ggml_compute_params * params, ggml_tensor * tensor);
static void ggml_vk_check_results_1(ggml_backend_vk_context * ctx, ggml_compute_params * params, ggml_tensor * tensor);
#endif
typedef void (*ggml_vk_func_t)(ggml_backend_vk_context * ctx, vk_context * subctx, const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst);
static bool vk_instance_initialized = false;
static vk_instance_t vk_instance;
GGML_CALL static void ggml_backend_vk_free(ggml_backend_t backend);
static void ggml_vk_create_pipeline(ggml_backend_vk_context * ctx, vk_pipeline& pipeline, const std::string& name, size_t spv_size, const void* spv_data, const std::string& entrypoint, uint32_t parameter_count, uint32_t push_constant_size, std::array<uint32_t, 3> wg_denoms, std::vector<uint32_t>&& specialization_constants, uint32_t align) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_pipeline(" << name << ", " << entrypoint << ", " << parameter_count << ", " << push_constant_size << ", (" << wg_denoms[0] << "," << wg_denoms[1] << "," << wg_denoms[2] << "), specialization_constants, " << align << ")" << std::endl;
#endif
GGML_ASSERT(parameter_count > 0);
GGML_ASSERT(wg_denoms[0] > 0 && wg_denoms[1] > 0 && wg_denoms[2] > 0); // NOLINT
pipeline = std::make_shared<vk_pipeline_struct>();
pipeline->name = name;
pipeline->parameter_count = parameter_count;
pipeline->push_constant_size = push_constant_size;
pipeline->wg_denoms = wg_denoms;
pipeline->align = align;
vk::ShaderModuleCreateInfo shader_module_create_info({}, spv_size, reinterpret_cast<const uint32_t *>(spv_data));
pipeline->shader_module = ctx->device->device.createShaderModule(shader_module_create_info);
std::vector<vk::DescriptorSetLayoutBinding> dsl_binding;
std::vector<vk::DescriptorBindingFlags> dsl_binding_flags;
for (uint32_t i = 0; i < parameter_count; i++) {
dsl_binding.push_back({i, vk::DescriptorType::eStorageBuffer, 1, vk::ShaderStageFlagBits::eCompute});
dsl_binding_flags.push_back({});
}
vk::DescriptorSetLayoutBindingFlagsCreateInfo dslbfci = { dsl_binding_flags };
vk::PushConstantRange pcr(
vk::ShaderStageFlagBits::eCompute,
0,
pipeline->push_constant_size
);
vk::DescriptorSetLayoutCreateInfo descriptor_set_layout_create_info(
{},
dsl_binding);
descriptor_set_layout_create_info.setPNext(&dslbfci);
pipeline->dsl = ctx->device->device.createDescriptorSetLayout(descriptor_set_layout_create_info);
// Check if device supports multiple descriptors per pool
if (ctx->device->descriptor_set_mode == VK_DEVICE_DESCRIPTOR_POOL_MODE_UNKNOWN) {
const uint32_t alloc_count = 2;
// Try allocating multiple sets from one pool
// This fails on AMD for some reason, so add a fall back to allocating one pool per set
vk::DescriptorPoolSize descriptor_pool_size(vk::DescriptorType::eStorageBuffer, pipeline->parameter_count);
vk::DescriptorPoolCreateInfo descriptor_pool_create_info({}, alloc_count, descriptor_pool_size);
vk::DescriptorPool pool = ctx->device->device.createDescriptorPool(descriptor_pool_create_info);
std::vector<vk::DescriptorSetLayout> layouts(alloc_count);
for (uint32_t i = 0; i < alloc_count; i++) {
layouts[i] = pipeline->dsl;
}
try {
vk::DescriptorSetAllocateInfo descriptor_set_alloc_info(pool, alloc_count, layouts.data());
std::vector<vk::DescriptorSet> sets = ctx->device->device.allocateDescriptorSets(descriptor_set_alloc_info);
} catch(vk::OutOfPoolMemoryError const&) {
ctx->device->descriptor_set_mode = VK_DEVICE_DESCRIPTOR_POOL_MODE_SINGLE;
}
ctx->device->device.destroyDescriptorPool(pool);
}
if (ctx->device->descriptor_set_mode == VK_DEVICE_DESCRIPTOR_POOL_MODE_MULTI) {
vk::DescriptorPoolSize descriptor_pool_size(vk::DescriptorType::eStorageBuffer, pipeline->parameter_count);
vk::DescriptorPoolCreateInfo descriptor_pool_create_info({}, 128, descriptor_pool_size);
pipeline->descriptor_pools.push_back(ctx->device->device.createDescriptorPool(descriptor_pool_create_info));
}
pipeline->descriptor_set_idx = 0;
vk::PipelineLayoutCreateInfo pipeline_layout_create_info(vk::PipelineLayoutCreateFlags(), pipeline->dsl, pcr);
pipeline->layout = ctx->device->device.createPipelineLayout(pipeline_layout_create_info);
std::vector<vk::SpecializationMapEntry> specialization_entries(specialization_constants.size());
for (size_t i = 0; i < specialization_constants.size(); i++) {
specialization_entries[i].constantID = i;
specialization_entries[i].offset = i * sizeof(uint32_t);
specialization_entries[i].size = sizeof(uint32_t);
}
vk::SpecializationInfo specialization_info(
specialization_entries.size(),
specialization_entries.data(),
specialization_constants.size() * sizeof(uint32_t),
specialization_constants.data()
);
vk::PipelineShaderStageCreateInfo pipeline_shader_create_info(
vk::PipelineShaderStageCreateFlags(),
vk::ShaderStageFlagBits::eCompute,
pipeline->shader_module,
entrypoint.c_str(),
&specialization_info);
vk::ComputePipelineCreateInfo compute_pipeline_create_info(
vk::PipelineCreateFlags(),
pipeline_shader_create_info,
pipeline->layout);
pipeline->pipeline = ctx->device->device.createComputePipeline(VK_NULL_HANDLE, compute_pipeline_create_info).value;
ctx->device->pipelines.push_back(pipeline);
}
static void ggml_vk_destroy_pipeline(vk::Device& device, vk_pipeline& pipeline) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_pipeline_destroy_pipeline(" << pipeline->name << ")" << std::endl;
#endif
for (auto& pool : pipeline->descriptor_pools) {
device.destroyDescriptorPool(pool);
}
pipeline->descriptor_pools.clear();
pipeline->descriptor_sets.clear();
pipeline->descriptor_set_idx = 0;
device.destroyDescriptorSetLayout(pipeline->dsl);
device.destroyPipelineLayout(pipeline->layout);
device.destroyShaderModule(pipeline->shader_module);
device.destroyPipeline(pipeline->pipeline);
}
static void ggml_pipeline_allocate_descriptor_sets(ggml_backend_vk_context * ctx, vk_pipeline& pipeline, uint32_t n) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_pipeline_allocate_descriptor_sets(" << pipeline->name << ", " << n << ")" << std::endl;
#endif
if (pipeline->descriptor_sets.size() >= pipeline->descriptor_set_idx + n) {
// Enough descriptors are available
return;
}
if (ctx->device->descriptor_set_mode == VK_DEVICE_DESCRIPTOR_POOL_MODE_MULTI) {
const uint32_t alloc_count = pipeline->descriptor_set_idx + n - pipeline->descriptor_sets.size();
std::vector<vk::DescriptorSetLayout> layouts(alloc_count);
for (uint32_t i = 0; i < alloc_count; i++) {
layouts[i] = pipeline->dsl;
}
vk::DescriptorSetAllocateInfo descriptor_set_alloc_info(pipeline->descriptor_pools[0], alloc_count, layouts.data());
std::vector<vk::DescriptorSet> sets = ctx->device->device.allocateDescriptorSets(descriptor_set_alloc_info);
pipeline->descriptor_sets.insert(pipeline->descriptor_sets.end(), sets.begin(), sets.end());
} else {
for (uint32_t i = pipeline->descriptor_sets.size(); i < pipeline->descriptor_set_idx + n; i++) {
vk::DescriptorPoolSize descriptor_pool_size(vk::DescriptorType::eStorageBuffer, pipeline->parameter_count);
vk::DescriptorPoolCreateInfo descriptor_pool_create_info({}, 1, descriptor_pool_size);
pipeline->descriptor_pools.push_back(ctx->device->device.createDescriptorPool(descriptor_pool_create_info));
vk::DescriptorSetAllocateInfo descriptor_set_alloc_info(pipeline->descriptor_pools[i], 1, &pipeline->dsl);
std::vector<vk::DescriptorSet> sets = ctx->device->device.allocateDescriptorSets(descriptor_set_alloc_info);
pipeline->descriptor_sets.push_back(sets[0]);
}
}
}
static void ggml_pipeline_cleanup(vk_pipeline& pipeline) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_pipeline_cleanup(" << pipeline->name << ")" << std::endl;
#endif
pipeline->descriptor_set_idx = 0;
}
static vk::CommandBuffer ggml_vk_create_cmd_buffer(ggml_backend_vk_context * ctx, vk_queue& q) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_cmd_buffer()" << std::endl;
#endif
if (q.cmd_buffers.size() > q.cmd_buffer_idx) {
// Reuse command buffer
return q.cmd_buffers[q.cmd_buffer_idx++];
}
vk::CommandBufferAllocateInfo command_buffer_alloc_info(
q.pool,
vk::CommandBufferLevel::ePrimary,
1);
const std::vector<vk::CommandBuffer> cmd_buffers = ctx->device->device.allocateCommandBuffers(command_buffer_alloc_info);
auto buf = cmd_buffers.front();
q.cmd_buffers.push_back(buf);
q.cmd_buffer_idx++;
return buf;
}
static vk_submission ggml_vk_create_submission(ggml_backend_vk_context * ctx, vk_queue& q, std::vector<vk_semaphore> wait_semaphores, std::vector<vk_semaphore> signal_semaphores) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_submission()" << std::endl;
#endif
vk_submission s;
s.buffer = ggml_vk_create_cmd_buffer(ctx, q);
s.wait_semaphores = std::move(wait_semaphores);
s.signal_semaphores = std::move(signal_semaphores);
return s;
}
static void ggml_vk_submit(vk_context * ctx, vk::Fence fence) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_submit(" << ctx->seqs.size() << ", " << fence << ")" << std::endl;
#endif
if (ctx->seqs.empty()) {
return;
}
std::vector<std::vector<uint64_t>> tl_wait_vals;
std::vector<std::vector<uint64_t>> tl_signal_vals;
std::vector<std::vector<vk::Semaphore>> tl_wait_semaphores;
std::vector<std::vector<vk::Semaphore>> tl_signal_semaphores;
std::vector<vk::TimelineSemaphoreSubmitInfo> tl_submit_infos;
std::vector<vk::SubmitInfo> submit_infos;
int idx = -1;
std::vector<std::vector<vk::PipelineStageFlags>> stage_flags;
size_t reserve = 0;
for (const auto& sequence : ctx->seqs) {
reserve += sequence.size();
}
// Pre-reserve vectors to prevent reallocation, which invalidates pointers
tl_wait_semaphores.reserve(reserve);
tl_wait_vals.reserve(reserve);
tl_signal_semaphores.reserve(reserve);
tl_signal_vals.reserve(reserve);
tl_submit_infos.reserve(reserve);
submit_infos.reserve(reserve);
stage_flags.reserve(reserve);
for (const auto& sequence : ctx->seqs) {
for (const auto& submission : sequence) {
stage_flags.push_back({});
idx++;
tl_wait_vals.push_back({});
tl_wait_semaphores.push_back({});
tl_signal_vals.push_back({});
tl_signal_semaphores.push_back({});
for (size_t i = 0; i < submission.wait_semaphores.size(); i++) {
stage_flags[idx].push_back(ctx->q->stage_flags);
tl_wait_vals[idx].push_back(submission.wait_semaphores[i].value);
tl_wait_semaphores[idx].push_back(submission.wait_semaphores[i].s);
}
for (size_t i = 0; i < submission.signal_semaphores.size(); i++) {
tl_signal_vals[idx].push_back(submission.signal_semaphores[i].value);
tl_signal_semaphores[idx].push_back(submission.signal_semaphores[i].s);
}
tl_submit_infos.push_back({
(uint32_t) submission.wait_semaphores.size(),
tl_wait_vals[idx].data(),
(uint32_t) submission.signal_semaphores.size(),
tl_signal_vals[idx].data(),
});
tl_submit_infos[idx].sType = vk::StructureType::eTimelineSemaphoreSubmitInfo;
tl_submit_infos[idx].pNext = nullptr;
vk::SubmitInfo si{
(uint32_t) submission.wait_semaphores.size(),
tl_wait_semaphores[idx].data(),
stage_flags[idx].data(),
1,
&submission.buffer,
(uint32_t) submission.signal_semaphores.size(),
tl_signal_semaphores[idx].data(),
};
si.setPNext(&tl_submit_infos[idx]);
submit_infos.push_back(si);
}
}
ctx->q->queue.submit(submit_infos, fence);
ctx->seqs.clear();
}
static uint32_t ggml_vk_find_queue_family_index(std::vector<vk::QueueFamilyProperties>& queue_family_props, const vk::QueueFlags& required, const vk::QueueFlags& avoid, int32_t compute_index, uint32_t min_num_queues) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_find_queue_family_index()" << std::endl;
#endif
const uint32_t qfsize = queue_family_props.size();
// Try with avoid preferences first
for (uint32_t i = 0; i < qfsize; i++) {
if (queue_family_props[i].queueCount >= min_num_queues && (compute_index < 0 || i != (uint32_t) compute_index) && queue_family_props[i].queueFlags & required && !(queue_family_props[i].queueFlags & avoid)) {
return i;
}
}
// Fall back to only required
for (size_t i = 0; i < qfsize; i++) {
if (queue_family_props[i].queueCount >= min_num_queues && (compute_index < 0 || i != (uint32_t) compute_index) && queue_family_props[i].queueFlags & required) {
return i;
}
}
// Fall back to reusing compute queue
for (size_t i = 0; i < qfsize; i++) {
if (queue_family_props[i].queueCount >= min_num_queues && queue_family_props[i].queueFlags & required) {
return i;
}
}
// Fall back to ignoring min_num_queries
for (size_t i = 0; i < qfsize; i++) {
if (queue_family_props[i].queueFlags & required) {
return i;
}
}
// All commands that are allowed on a queue that supports transfer operations are also allowed on a queue that supports either graphics or compute operations.
// Thus, if the capabilities of a queue family include VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT, then reporting the VK_QUEUE_TRANSFER_BIT capability separately for that queue family is optional.
if (compute_index >= 0) {
return compute_index;
}
std::cerr << "ggml_vulkan: No suitable queue family index found." << std::endl;
for(auto &q_family : queue_family_props) {
std::cerr << "Queue number: " + std::to_string(q_family.queueCount) << " flags: " + to_string(q_family.queueFlags) << std::endl;
}
abort();
}
static void ggml_vk_create_queue(ggml_backend_vk_context * ctx, vk_queue& q, uint32_t queue_family_index, uint32_t queue_index, vk::PipelineStageFlags&& stage_flags) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_queue()" << std::endl;
#endif
q.queue_family_index = queue_family_index;
vk::CommandPoolCreateInfo command_pool_create_info_compute(vk::CommandPoolCreateFlags(VK_COMMAND_POOL_CREATE_TRANSIENT_BIT), queue_family_index);
q.pool = ctx->device->device.createCommandPool(command_pool_create_info_compute);
q.cmd_buffer_idx = 0;
q.queue = ctx->device->device.getQueue(queue_family_index, queue_index);
q.stage_flags = stage_flags;
}
static vk_context * ggml_vk_create_context(ggml_backend_vk_context * ctx, vk_queue& q) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_context()" << std::endl;
#endif
ctx->gc.contexts.emplace_back();
vk_context * result = &ctx->gc.contexts[ctx->gc.contexts.size() - 1];
memset((void *) result, 0, sizeof(vk_context));
result->idx = ctx->gc.contexts.size() - 1;
result->q = &q;
return result;
}
static vk_semaphore * ggml_vk_create_binary_semaphore(ggml_backend_vk_context * ctx) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_timeline_semaphore()" << std::endl;
#endif
vk::SemaphoreTypeCreateInfo tci{ vk::SemaphoreType::eBinary, 0 };
vk::SemaphoreCreateInfo ci{};
ci.setPNext(&tci);
vk::Semaphore semaphore = ctx->device->device.createSemaphore(ci);
ctx->gc.semaphores.push_back({ semaphore, 0 });
return &ctx->gc.semaphores[ctx->gc.semaphores.size() - 1];
}
static vk_semaphore * ggml_vk_create_timeline_semaphore(ggml_backend_vk_context * ctx) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_timeline_semaphore()" << std::endl;
#endif
if (ctx->semaphore_idx >= ctx->gc.tl_semaphores.size()) {
vk::SemaphoreTypeCreateInfo tci{ vk::SemaphoreType::eTimeline, 0 };
vk::SemaphoreCreateInfo ci{};
ci.setPNext(&tci);
vk::Semaphore semaphore = ctx->device->device.createSemaphore(ci);
ctx->gc.tl_semaphores.push_back({ semaphore, 0 });
}
return &ctx->gc.tl_semaphores[ctx->semaphore_idx++];
}
static vk::Event ggml_vk_create_event(ggml_backend_vk_context * ctx) {
if (ctx->event_idx >= ctx->gc.events.size()) {
ctx->gc.events.push_back(ctx->device->device.createEvent({}));
}
return ctx->gc.events[ctx->event_idx++];
}
static void ggml_vk_queue_cleanup(ggml_backend_vk_context * ctx, vk_queue& q) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_queue_cleanup()" << std::endl;
#endif
// Requires command buffers to be done
ctx->device->device.resetCommandPool(q.pool);
q.cmd_buffer_idx = 0;
}
static uint32_t find_properties(const vk::PhysicalDeviceMemoryProperties* mem_props, vk::MemoryRequirements* mem_req, vk::MemoryPropertyFlags flags) {
for (uint32_t i = 0; i < mem_props->memoryTypeCount; ++i) {
vk::MemoryType memory_type = mem_props->memoryTypes[i];
if ((mem_req->memoryTypeBits & ((uint64_t)1 << i)) &&
(flags & memory_type.propertyFlags) == flags &&
mem_props->memoryHeaps[memory_type.heapIndex].size >= mem_req->size) {
return static_cast<int32_t>(i);
}
}
return UINT32_MAX;
}
static vk_buffer ggml_vk_create_buffer(ggml_backend_vk_context * ctx, size_t size, vk::MemoryPropertyFlags req_flags, vk::MemoryPropertyFlags fallback_flags = vk::MemoryPropertyFlags(0)) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_create_buffer(device " << ctx->idx << ", " << size << ", " << to_string(req_flags) << ", " << to_string(fallback_flags) << ")" << std::endl;
#endif
vk_buffer buf = std::make_shared<vk_buffer_struct>();
if (size == 0) {
buf->size = 0;
return buf;
}
buf->size = size;
vk::BufferCreateInfo buffer_create_info{
vk::BufferCreateFlags(),
size,
vk::BufferUsageFlagBits::eStorageBuffer | vk::BufferUsageFlagBits::eTransferSrc | vk::BufferUsageFlagBits::eTransferDst,
vk::SharingMode::eExclusive,
0,
nullptr,
};
buf->buffer = ctx->device->device.createBuffer(buffer_create_info);
vk::MemoryRequirements mem_req = ctx->device->device.getBufferMemoryRequirements(buf->buffer);
vk::PhysicalDeviceMemoryProperties mem_props = ctx->device->physical_device.getMemoryProperties();
uint32_t memory_type_index = UINT32_MAX;
memory_type_index = find_properties(&mem_props, &mem_req, req_flags);
buf->memory_property_flags = req_flags;
if (memory_type_index == UINT32_MAX && fallback_flags) {
memory_type_index = find_properties(&mem_props, &mem_req, fallback_flags);
buf->memory_property_flags = fallback_flags;
}
if (memory_type_index == UINT32_MAX) {
ctx->device->device.destroyBuffer(buf->buffer);
buf->size = 0;
throw vk::OutOfDeviceMemoryError("No suitable memory type found");
}
try {
buf->device_memory = ctx->device->device.allocateMemory({ mem_req.size, memory_type_index });
} catch (const vk::SystemError& e) {
// Out of Host/Device memory, clean up buffer
ctx->device->device.destroyBuffer(buf->buffer);
buf->size = 0;
throw e;
}
buf->ptr = nullptr;
if (buf->memory_property_flags & vk::MemoryPropertyFlagBits::eHostVisible) {
buf->ptr = ctx->device->device.mapMemory(buf->device_memory, 0, VK_WHOLE_SIZE);
}
ctx->device->device.bindBufferMemory(buf->buffer, buf->device_memory, 0);
buf->ctx = ctx;
buf->device = ctx->device;
#ifdef GGML_VULKAN_DEBUG
std::cerr << "Created buffer " << buf->buffer << std::endl;
#endif
return buf;
}
static vk_buffer ggml_vk_create_buffer_check(ggml_backend_vk_context * ctx, size_t size, vk::MemoryPropertyFlags req_flags, vk::MemoryPropertyFlags fallback_flags = vk::MemoryPropertyFlags(0)) {
try {
return ggml_vk_create_buffer(ctx, size, req_flags, fallback_flags);
} catch (const vk::SystemError& e) {
std::cerr << "ggml_vulkan: Memory allocation of size " << size << " failed." << std::endl;
std::cerr << "ggml_vulkan: " << e.what() << std::endl;
throw e;
}
}
static vk_buffer ggml_vk_create_buffer_device(ggml_backend_vk_context * ctx, size_t size) {
vk_buffer buf;
try {
if (ctx->device->uma) {
// Fall back to host memory type
buf = ggml_vk_create_buffer(ctx, size, vk::MemoryPropertyFlagBits::eDeviceLocal, vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent);
} else {
buf = ggml_vk_create_buffer(ctx, size, vk::MemoryPropertyFlagBits::eDeviceLocal);
}
} catch (const vk::SystemError& e) {
std::cerr << "ggml_vulkan: Device memory allocation of size " << size << " failed." << std::endl;
std::cerr << "ggml_vulkan: " << e.what() << std::endl;
throw e;
}
return buf;
}
static void ggml_vk_destroy_buffer(vk_buffer& buf) {
buf.reset();
}
static vk_subbuffer ggml_vk_subbuffer(vk_buffer& buf) {
return { buf, 0, VK_WHOLE_SIZE };
}
static void ggml_vk_sync_buffers(vk_context * ctx) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_sync_buffers()" << std::endl;
#endif
const std::vector<vk::MemoryBarrier> mem_barriers{ { { vk::AccessFlagBits::eMemoryRead | vk::AccessFlagBits::eMemoryWrite }, { vk::AccessFlagBits::eMemoryRead | vk::AccessFlagBits::eMemoryWrite } } };
ctx->s->buffer.pipelineBarrier(
ctx->q->stage_flags,
ctx->q->stage_flags,
{},
mem_barriers,
{},
{}
);
}
static void ggml_vk_wait_events(vk_context * ctx, std::vector<vk::Event>&& events) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_wait_events()" << std::endl;
#endif
if (events.empty()) {
return;
}
ctx->s->buffer.waitEvents(
events,
ctx->q->stage_flags,
ctx->q->stage_flags,
{},
{},
{}
);
}
static bool ggml_vk_build_shader(ggml_type type) {
switch(type) {
case GGML_TYPE_F16:
case GGML_TYPE_Q4_0:
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
case GGML_TYPE_Q2_K:
case GGML_TYPE_Q3_K:
case GGML_TYPE_Q4_K:
case GGML_TYPE_Q5_K:
case GGML_TYPE_Q6_K:
return true;
default:
return false;
}
}
static void ggml_vk_load_shaders(ggml_backend_vk_context * ctx) {
#ifdef GGML_VULKAN_DEBUG
std::cerr << "ggml_vk_load_shaders(" << ctx->name << ")" << std::endl;
#endif
const std::shared_ptr<vk_device> device = ctx->device;
// mulmat
std::initializer_list<uint32_t> warptile_l = { 128, 128, 128, 16, device->subgroup_size * 2, 64, 2, 4, 4, device->subgroup_size };
std::initializer_list<uint32_t> warptile_m = { 128, 64, 64, 16, device->subgroup_size, 32, 2, 4, 2, device->subgroup_size };