matmul-cpu

• Not optimized CPU based matrix multiplication

matmul-cpu-multicores

• optimized for Multi-core CPU based matrix multiplication
• Uses c++ lib

matmul-avx-x64

• Utilize Intel based AVX instruction
• Uses AVX (128 bit), AVX2 (256 bit) and AVX-512 (512 bit)

matmul-cuda

• CUDA based

matmul-neon-arm64

• ARM64 based
• Apple
• Uses Neon for similar to AVX operations

matmul-rust

• Rust based (Not optimized, single core only)