From ec928150501c2572fec05cb949061672bb424914 Mon Sep 17 00:00:00 2001 From: shaofeiqi Date: Fri, 18 Sep 2026 10:50:15 -0700 Subject: [PATCH] opencl: add bin kernel `kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin` (#28678) * opencl: add A8 Q6_K non-MoE binary kernel * opencl: fix layout compatibility --- ggml/src/ggml-opencl/CMakeLists.txt | 1 + ggml/src/ggml-opencl/ggml-opencl.cpp | 275 +++++++++++++++++- .../gemv_noshuffle_q6_k_f32_32b_trans.cl | 128 ++++++++ 3 files changed, 388 insertions(+), 16 deletions(-) create mode 100644 ggml/src/ggml-opencl/kernels/gemv_noshuffle_q6_k_f32_32b_trans.cl diff --git a/ggml/src/ggml-opencl/CMakeLists.txt b/ggml/src/ggml-opencl/CMakeLists.txt index 45a7075b29..53e938618d 100644 --- a/ggml/src/ggml-opencl/CMakeLists.txt +++ b/ggml/src/ggml-opencl/CMakeLists.txt @@ -191,6 +191,7 @@ set(GGML_OPENCL_KERNELS gemv_noshuffle_q6_k_f32_tiled gemm_noshuffle_q6_k_f32 gemm_noshuffle_q6_k_f32_tiled + gemv_noshuffle_q6_k_f32_32b_trans gemv_noshuffle_q5_k_f32 gemm_noshuffle_q5_k_f32 mul diff --git a/ggml/src/ggml-opencl/ggml-opencl.cpp b/ggml/src/ggml-opencl/ggml-opencl.cpp index 28cf6172c1..1c26797b97 100644 --- a/ggml/src/ggml-opencl/ggml-opencl.cpp +++ b/ggml/src/ggml-opencl/ggml-opencl.cpp @@ -1246,6 +1246,8 @@ struct ggml_backend_opencl_context { cl_kernel kernel_gemv_noshuffle_q6_K_f32_mc3; // multi-column (N=3) verify GEMV cl_kernel kernel_gemm_noshuffle_q6_K_f32; cl_kernel kernel_gemm_noshuffle_q6_K_f32_cok; + cl_kernel kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin; + cl_kernel kernel_gemv_noshuffle_q6_k_f32_32b_trans; cl_kernel kernel_gemv_noshuffle_q5_k_f32; cl_kernel kernel_gemv_noshuffle_q5_k_f32_mc3; // multi-column (N=3) verify GEMV (spec/MTP) cl_kernel kernel_gemm_noshuffle_q5_k_f32; @@ -4367,6 +4369,43 @@ static void load_cl_kernels(ggml_backend_opencl_context *backend_ctx) { } } + backend_ctx->kernel_gemv_noshuffle_q6_k_f32_32b_trans = nullptr; + backend_ctx->kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin = nullptr; + if (backend_ctx->adreno_gen == ADRENO_GPU_GEN::X2E) { + { + std::string opts = std::string("-cl-std=") + opencl_c_std + + " -cl-mad-enable " + " -DSIMDGROUP_WIDTH=" + + std::to_string(backend_ctx->adreno_wave_size); +#ifdef GGML_OPENCL_EMBED_KERNELS + const std::string kernel_src { + #include "gemv_noshuffle_q6_k_f32_32b_trans.cl.h" + }; +#else + const std::string kernel_src = read_file("gemv_noshuffle_q6_k_f32_32b_trans.cl"); +#endif + cl_program prog = build_program_from_source(backend_ctx, kernel_src.c_str(), opts); + CL_CHECK((backend_ctx->kernel_gemv_noshuffle_q6_k_f32_32b_trans = + clCreateKernel(prog, "kernel_gemv_noshuffle_q6_k_f32_32b_trans", &err), err)); + CL_CHECK(clReleaseProgram(prog)); + GGML_LOG_CONT("."); + } + + if (use_adreno_bin_kernels(backend_ctx)) { + size_t bin_size = 0; + const char * kernel_bin = (const char *)backend_ctx->get_adreno_bin_kernel("gemm_noshuffle_q6_k_f32_32b_trans_ila_a8", &bin_size); + if (kernel_bin && bin_size > 0) { + cl_program bin_prog = + build_program_from_binary(backend_ctx->context, backend_ctx->device, kernel_bin, "", bin_size); + + CL_CHECK((backend_ctx->kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin = + clCreateKernel(bin_prog, "kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8", &err), err)); + CL_CHECK(clReleaseProgram(bin_prog)); + GGML_LOG_CONT("."); + } + } + } + std::string CL_moe_compile_opts = std::string("-cl-std=") + opencl_c_std + " -cl-mad-enable " " -cl-fast-relaxed-math"; @@ -7294,6 +7333,8 @@ struct ggml_tensor_extra_cl_q6_K { cl_mem ql_img = nullptr; // Upper 2 bits of quantized weights. cl_mem qh = nullptr; + // Upper 2 bits as image1d_buffer_t + cl_mem qh_img = nullptr; // Scales for each block. cl_mem s = nullptr; // Scales for each super block. @@ -7329,6 +7370,10 @@ struct ggml_tensor_extra_cl_q6_K { CL_CHECK(clReleaseMemObject(ql_img)); ql_img = nullptr; } + if (qh_img != nullptr) { + CL_CHECK(clReleaseMemObject(qh_img)); + qh_img = nullptr; + } size_ql = 0; size_qh = 0; @@ -8566,6 +8611,21 @@ static inline bool use_flat_gemv_for_large_m_q6_K(const ggml_backend_opencl_cont && tensor->ne[2] == 1 && tensor->ne[3] == 1; } +inline bool use_q6_k_bin_kernels(const ggml_backend_opencl_context *backend_ctx, const ggml_tensor *tensor) { +#ifdef GGML_OPENCL_USE_ADRENO_KERNELS + if (!backend_ctx->kernel_gemv_noshuffle_q6_k_f32_32b_trans || + !backend_ctx->kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin) { + return false; + } + return (tensor->ne[0] % 256 == 0) && (tensor->ne[1] % 64 == 0) && + !use_q6k_tiled(backend_ctx, tensor) && !use_flat_gemv_for_large_m_q6_K(backend_ctx, tensor); +#else + GGML_UNUSED(backend_ctx); + GGML_UNUSED(tensor); + return false; +#endif +} + inline bool use_q4_k_bin_kernels(const ggml_backend_opencl_context *backend_ctx, const ggml_tensor *tensor) { #ifdef GGML_OPENCL_USE_ADRENO_KERNELS if (!backend_ctx->kernel_gemv_noshuffle_q4_k_f32_32b_trans || @@ -11181,18 +11241,39 @@ static void ggml_backend_opencl_buffer_set_tensor(ggml_backend_buffer_t buffer, cl_int M = tensor->ne[1]; // ne01 cl_int K = tensor->ne[0]; // ne00 - // Transpose ql as ushort - transpose_2d_as_16b(backend_ctx, - extra->ql, extra->ql, size_ql, K/4, M); + if (use_q6_k_bin_kernels(backend_ctx, tensor)) { + GGML_ASSERT(K % 256 == 0); + GGML_ASSERT(M % 64 == 0); - // Transpose qh as uchar - transpose_2d_as_8b(backend_ctx, - extra->qh, extra->qh, size_qh, K/4, M); + transpose_2d_as_32b(backend_ctx, extra->ql, extra->ql, size_ql, K/8, M); + transpose_2d_as_32b(backend_ctx, extra->qh, extra->qh, size_qh, K/16, M); - // Transpose s as ushort - transpose_2d_as_16b(backend_ctx, - extra->s, extra->s, size_s, K/16/2, M); + cl_image_format wimg_fmt = { CL_R, CL_UNSIGNED_INT32 }; + cl_image_desc wimg_desc; + memset(&wimg_desc, 0, sizeof(wimg_desc)); + wimg_desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER; + wimg_desc.image_width = static_cast(ggml_nelements(tensor) / 8); + wimg_desc.buffer = extra->ql; + CL_CHECK((extra->ql_img = clCreateImage(context, CL_MEM_READ_ONLY, &wimg_fmt, &wimg_desc, NULL, &err), err)); + memset(&wimg_desc, 0, sizeof(wimg_desc)); + wimg_desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER; + wimg_desc.image_width = static_cast(ggml_nelements(tensor) / 16); + wimg_desc.buffer = extra->qh; + CL_CHECK((extra->qh_img = clCreateImage(context, CL_MEM_READ_ONLY, &wimg_fmt, &wimg_desc, NULL, &err), err)); + } else { + // Transpose ql as ushort + transpose_2d_as_16b(backend_ctx, + extra->ql, extra->ql, size_ql, K/4, M); + + // Transpose qh as uchar + transpose_2d_as_8b(backend_ctx, + extra->qh, extra->qh, size_qh, K/4, M); + + // Transpose s as ushort + transpose_2d_as_16b(backend_ctx, + extra->s, extra->s, size_s, K/16/2, M); + } // Transpose d as ushort transpose_2d_as_16b(backend_ctx, extra->d, extra->d, size_d, K/256, M); @@ -12317,15 +12398,24 @@ static void ggml_backend_opencl_buffer_get_tensor(ggml_backend_buffer_t buffer, buf_trans_ql.allocate(backend_ctx->context, size_ql); buf_trans_qh.allocate(backend_ctx->context, size_qh); - buf_trans_s.allocate(backend_ctx->context, size_s); buf_trans_d.allocate(backend_ctx->context, size_d); buf_unpacked.allocate(backend_ctx->context, ggml_nbytes(tensor)); - // transpose ql, qh, s and d back - transpose_2d_as_16b(backend_ctx, extra->ql, buf_trans_ql.buffer, size_ql, M, K/4); - transpose_2d_as_8b(backend_ctx, extra->qh, buf_trans_qh.buffer, size_qh, M, K/4); - transpose_2d_as_16b(backend_ctx, extra->s, buf_trans_s.buffer, size_s, M, K/16/2); - transpose_2d_as_16b(backend_ctx, extra->d, buf_trans_d.buffer, size_d, M, K/256); + cl_mem s_buffer; + if (use_q6_k_bin_kernels(backend_ctx, tensor)) { + transpose_2d_as_32b(backend_ctx, extra->ql, buf_trans_ql.buffer, size_ql, M, K/8); + transpose_2d_as_32b(backend_ctx, extra->qh, buf_trans_qh.buffer, size_qh, M, K/16); + // s is left row-major, untransposed, for the binary layout. + s_buffer = extra->s; + } else { + // transpose ql, qh, s and d back + buf_trans_s.allocate(backend_ctx->context, size_s); + transpose_2d_as_16b(backend_ctx, extra->ql, buf_trans_ql.buffer, size_ql, M, K/4); + transpose_2d_as_8b(backend_ctx, extra->qh, buf_trans_qh.buffer, size_qh, M, K/4); + transpose_2d_as_16b(backend_ctx, extra->s, buf_trans_s.buffer, size_s, M, K/16/2); + s_buffer = buf_trans_s.buffer; + } + transpose_2d_as_16b(backend_ctx, extra->d, buf_trans_d.buffer, size_d, M, K/256); // unpack cl_uchar mask = 0xFF; @@ -12333,7 +12423,7 @@ static void ggml_backend_opencl_buffer_get_tensor(ggml_backend_buffer_t buffer, cl_kernel kernel = backend_ctx->kernel_restore_block_q6_K_noshuffle; CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &buf_trans_ql.buffer)); CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), &buf_trans_qh.buffer)); - CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), &buf_trans_s.buffer)); + CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), &s_buffer)); CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), &buf_trans_d.buffer)); CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), &buf_unpacked.buffer)); CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_uchar), &mask)); @@ -21111,6 +21201,145 @@ static void ggml_cl_mul_mat_q4_k_f32_adreno(ggml_backend_t backend, const ggml_t #endif } +#ifdef GGML_OPENCL_USE_ADRENO_KERNELS +static void ggml_cl_mul_mat_q6_K_f32_adreno_ila(ggml_backend_t backend, const ggml_tensor * src0, + const ggml_tensor * src1, ggml_tensor * dst) { + GGML_ASSERT(src0); + GGML_ASSERT(src0->extra); + GGML_ASSERT(src1); + GGML_ASSERT(src1->extra); + GGML_ASSERT(dst); + GGML_ASSERT(dst->extra); + + ggml_backend_opencl_context *backend_ctx = (ggml_backend_opencl_context *)backend->context; + + ggml_tensor_extra_cl_q6_K * extra0_q6_K = (ggml_tensor_extra_cl_q6_K *)src0->extra; + ggml_tensor_extra_cl * extra1 = (ggml_tensor_extra_cl *)src1->extra; + ggml_tensor_extra_cl * extrad = (ggml_tensor_extra_cl *)dst->extra; + + cl_ulong offset1 = extra1->offset + src1->view_offs; + cl_ulong offsetd = extrad->offset + dst->view_offs; + + const int ne00 = src0->ne[0]; + const int ne01 = src0->ne[1]; + + const int ne1 = dst->ne[1]; + + GGML_ASSERT(ne00 % ggml_blck_size(src0->type) == 0); + + cl_context context = backend_ctx->context; + cl_kernel kernel; + + cl_int err; + cl_buffer_region region; + cl_image_format img_fmt; + cl_image_desc img_desc; + + const int M = ne01; + const int N = ne1; + const int K = ne00; + + if (ne1 == 1) { + cl_mem b_sub_buf = nullptr; + cl_mem b_img = nullptr; + + region.origin = offset1; + region.size = (size_t)K * N * sizeof(float); + CL_CHECK((b_sub_buf = clCreateSubBuffer(extra1->data_device, 0, CL_BUFFER_CREATE_TYPE_REGION, ®ion, &err), err)); + + img_fmt = { CL_RGBA, CL_FLOAT }; + memset(&img_desc, 0, sizeof(img_desc)); + img_desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER; + img_desc.image_width = (size_t)K * N / 4; + img_desc.buffer = b_sub_buf; + CL_CHECK((b_img = clCreateImage(context, CL_MEM_READ_ONLY, &img_fmt, &img_desc, NULL, &err), err)); + + kernel = backend_ctx->kernel_gemv_noshuffle_q6_k_f32_32b_trans; + CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0_q6_K->ql_img)); + CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), &extra0_q6_K->qh_img)); + CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), &extra0_q6_K->s)); + CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), &extra0_q6_K->d)); + CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), &b_img)); + CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), &extrad->data_device)); + CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_ulong), &offsetd)); + CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_int), &ne00)); + CL_CHECK(clSetKernelArg(kernel, 8, sizeof(cl_int), &ne01)); + + size_t local_work_size[3] = { 64, 8, 1 }; + size_t global_work_size[3] = { (size_t)ne01, 8, 1 }; + backend_ctx->enqueue_ndrange_kernel(kernel, 3, global_work_size, local_work_size, dst); + + CL_CHECK(clReleaseMemObject(b_img)); + CL_CHECK(clReleaseMemObject(b_sub_buf)); + } else { + const int gemm_tile_n = 64; + int N_pad = CEIL_DIV(N, gemm_tile_n) * gemm_tile_n; + + cl_mem b_sub_buf = nullptr; + cl_mem b_padded = nullptr; + cl_mem b_buf = nullptr; + if (N_pad == N) { + region.origin = offset1; + region.size = (size_t)K * N * sizeof(float); + CL_CHECK((b_sub_buf = clCreateSubBuffer(extra1->data_device, 0, CL_BUFFER_CREATE_TYPE_REGION, ®ion, &err), err)); + b_buf = b_sub_buf; + } else { + CL_CHECK((b_padded = clCreateBuffer(context, CL_MEM_READ_WRITE, (size_t)K * N_pad * sizeof(float), NULL, &err), err)); + const float zero = 0.0f; + CL_CHECK(clEnqueueFillBuffer(backend_ctx->queue, b_padded, &zero, sizeof(zero), 0, (size_t)K * N_pad * sizeof(float), 0, NULL, NULL)); + CL_CHECK(clEnqueueCopyBuffer(backend_ctx->queue, extra1->data_device, b_padded, offset1, 0, (size_t)K * N * sizeof(float), 0, NULL, NULL)); + b_buf = b_padded; + } + + img_fmt = { CL_R, CL_FLOAT }; + memset(&img_desc, 0, sizeof(img_desc)); + img_desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER; + img_desc.image_width = (size_t)K * N_pad; + img_desc.buffer = b_buf; + cl_mem b_img; + CL_CHECK((b_img = clCreateImage(context, CL_MEM_READ_ONLY, &img_fmt, &img_desc, NULL, &err), err)); + + region.origin = offsetd; + region.size = (size_t)M * N * sizeof(float); + cl_mem d_sub_buf; + CL_CHECK((d_sub_buf = clCreateSubBuffer(extrad->data_device, 0, CL_BUFFER_CREATE_TYPE_REGION, ®ion, &err), err)); + img_fmt = { CL_R, CL_FLOAT }; + memset(&img_desc, 0, sizeof(img_desc)); + img_desc.image_type = CL_MEM_OBJECT_IMAGE1D_BUFFER; + img_desc.image_width = (size_t)M * N; + img_desc.buffer = d_sub_buf; + cl_mem d_img; + CL_CHECK((d_img = clCreateImage(context, CL_MEM_WRITE_ONLY, &img_fmt, &img_desc, NULL, &err), err)); + + kernel = backend_ctx->kernel_gemm_noshuffle_q6_k_f32_32b_trans_ila_a8_bin; + CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), &extra0_q6_K->ql_img)); + CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), &extra0_q6_K->qh)); + CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), &extra0_q6_K->s)); + CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), &extra0_q6_K->d)); + CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), &b_img)); + CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), &d_img)); + CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_uint), &ne00)); + CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_uint), &ne01)); + CL_CHECK(clSetKernelArg(kernel, 8, sizeof(int), &N)); + + size_t local_work_size[3] = { 64, 2, 2 }; + size_t m_tiles = (size_t)CEIL_DIV(M, 64); + size_t global_work_size[3] = { 64, m_tiles, (size_t)CEIL_DIV(N_pad, gemm_tile_n) }; + backend_ctx->enqueue_ndrange_kernel(kernel, 3, global_work_size, local_work_size, dst); + + CL_CHECK(clReleaseMemObject(b_img)); + if (b_sub_buf) { + CL_CHECK(clReleaseMemObject(b_sub_buf)); + } + if (b_padded) { + CL_CHECK(clReleaseMemObject(b_padded)); + } + CL_CHECK(clReleaseMemObject(d_img)); + CL_CHECK(clReleaseMemObject(d_sub_buf)); + } +} +#endif // GGML_OPENCL_USE_ADRENO_KERNELS + static void ggml_cl_mul_mat_q6_K_f32_adreno(ggml_backend_t backend, const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst) { #ifdef GGML_OPENCL_USE_ADRENO_KERNELS GGML_ASSERT(src0); @@ -21159,6 +21388,20 @@ static void ggml_cl_mul_mat_q6_K_f32_adreno(ggml_backend_t backend, const ggml_t // (the #1 MTP bottleneck; mc3 above can't, it reads the noshuffle layout). const bool use_q6k_tiled_mc = q6k_mc3 && (ne1 == 3) && (ne01 >= 32768) && use_q6k_tiled(backend_ctx, src0); + const bool use_bin = use_q6_k_bin_kernels(backend_ctx, src0); + + if (use_bin) { + if (use_q6k_mc3 || use_q6k_tiled_mc) { + static bool warned = false; + if (!warned) { + GGML_LOG_WARN("ggml_opencl: GGML_OPENCL_Q6K_MC3 is bypassed by Q6_K binary kernels\n"); + warned = true; + } + } + ggml_cl_mul_mat_q6_K_f32_adreno_ila(backend, src0, src1, dst); + return; + } + if (ne1 == 1 || use_q6k_mc3 || use_q6k_tiled_mc) { cl_mem ql_img = nullptr; cl_mem qh_img = nullptr; diff --git a/ggml/src/ggml-opencl/kernels/gemv_noshuffle_q6_k_f32_32b_trans.cl b/ggml/src/ggml-opencl/kernels/gemv_noshuffle_q6_k_f32_32b_trans.cl new file mode 100644 index 0000000000..2e1e2d76dc --- /dev/null +++ b/ggml/src/ggml-opencl/kernels/gemv_noshuffle_q6_k_f32_32b_trans.cl @@ -0,0 +1,128 @@ +#pragma OPENCL EXTENSION cl_khr_fp16 : enable +#pragma OPENCL EXTENSION cl_khr_subgroups : enable +#pragma OPENCL EXTENSION cl_qcom_reqd_sub_group_size : enable + +#define QK_K 256 +#define N_SIMDGROUP 8 +#define SIMDGROUP_WIDTH 64 + +static inline float8 q6_k_to_fp32_packed8(ushort2 ql8, ushort qh8, float d_scale) { + float8 fp32x8; + fp32x8.s0 = ((float)(( ql8.s0 & 0x000F) | ((uint)((qh8 ) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s1 = ((float)((( ql8.s0 >> 4) & 0x000F) | ((uint)((qh8 >> 2) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s2 = ((float)((( ql8.s0 >> 8) & 0x000F) | ((uint)((qh8 >> 4) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s3 = ((float)((( ql8.s0 >> 12)& 0x000F) | ((uint)((qh8 >> 6) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s4 = ((float)(( ql8.s1 & 0x000F) | ((uint)((qh8 >> 8) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s5 = ((float)((( ql8.s1 >> 4) & 0x000F) | ((uint)((qh8 >>10) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s6 = ((float)((( ql8.s1 >> 8) & 0x000F) | ((uint)((qh8 >>12) & 0x3) << 4)) - 32.f) * d_scale; + fp32x8.s7 = ((float)((( ql8.s1 >> 12)& 0x000F) | ((uint)((qh8 >>14) & 0x3) << 4)) - 32.f) * d_scale; + return fp32x8; +} + +__attribute__((qcom_reqd_sub_group_size("half"))) +__kernel void kernel_gemv_noshuffle_q6_k_f32_32b_trans( + __read_only image1d_buffer_t src0_ql, + __read_only image1d_buffer_t src0_qh, + __global char * src0_s, + __global half * src0_d, + __read_only image1d_buffer_t src1, + __global float * dst, + ulong offsetd, + int ne00, + int ne01 +) { + uint i01 = get_global_id(0); + uint sgid = get_local_id(1); + uint slid = get_sub_group_local_id(); + + int num_superblocks = ne00 / QK_K; + int num_subblocks = ne00 / 32; // 2 sub-blocks of 16 processed per iter below + int scales_per_row = num_superblocks * 16; + + __private float sum = 0.0f; + + // Loop over 32-element groups (2 sub-blocks of 16 each), N_SIMDGROUP groups per iter. + for (uint ib = sgid; ib < num_subblocks; ib += N_SIMDGROUP) { + uint sb = ib / 8; // super-block index + uint j = ib % 8; // 32-element group within super-block (0..7) + + // Load d for this super-block. + half d_val = src0_d[sb * ne01 + i01]; + + // Load 2 sub-block scales (int8), one per 16 elements. + global const char * sc = src0_s + i01 * scales_per_row + sb * 16; + float scale0 = (float)d_val * (float)sc[j * 2]; + float scale1 = (float)d_val * (float)sc[j * 2 + 1]; + + // Load 4 uints of ql (32 elements, 4-bit each = 128 bits), column-major stride ne01. + uint ql_base = (ib * 4) * ne01 + i01; + uint4 regQL; + regQL.s0 = read_imageui(src0_ql, ql_base).x; + regQL.s1 = read_imageui(src0_ql, ql_base + ne01).x; + regQL.s2 = read_imageui(src0_ql, ql_base + ne01 * 2).x; + regQL.s3 = read_imageui(src0_ql, ql_base + ne01 * 3).x; + + // Load 2 uints of qh (32 elements, 2-bit each = 64 bits), column-major stride ne01. + uint qh_base = (ib * 2) * ne01 + i01; + uint2 regQH; + regQH.s0 = read_imageui(src0_qh, qh_base).x; + regQH.s1 = read_imageui(src0_qh, qh_base + ne01).x; + + // Load activations: 32 floats = 8 float4s. + uint y_offset = ib * 8; + + float4 y_local = (slid < 8) ? read_imagef(src1, (y_offset + slid)) : (float4)0.0f; + float4 y0 = sub_group_broadcast(y_local, 0); + float4 y1 = sub_group_broadcast(y_local, 1); + float4 y2 = sub_group_broadcast(y_local, 2); + float4 y3 = sub_group_broadcast(y_local, 3); + float4 y4v = sub_group_broadcast(y_local, 4); + float4 y5 = sub_group_broadcast(y_local, 5); + float4 y6 = sub_group_broadcast(y_local, 6); + float4 y7 = sub_group_broadcast(y_local, 7); + + // Dequantize elements 0..7 (scale0). + float8 fp32x8 = q6_k_to_fp32_packed8(as_ushort2(regQL.s0), (ushort)(regQH.s0 & 0xFFFF), scale0); + + float4 acc = y0 * fp32x8.lo; + acc += y1 * fp32x8.hi; + + // Dequantize elements 8..15 (scale0). + fp32x8 = q6_k_to_fp32_packed8(as_ushort2(regQL.s1), (ushort)(regQH.s0 >> 16), scale0); + + acc += y2 * fp32x8.lo; + acc += y3 * fp32x8.hi; + + // Dequantize elements 16..23 (scale1). + fp32x8 = q6_k_to_fp32_packed8(as_ushort2(regQL.s2), (ushort)(regQH.s1 & 0xFFFF), scale1); + + acc += y4v * fp32x8.lo; + acc += y5 * fp32x8.hi; + + // Dequantize elements 24..31 (scale1). + fp32x8 = q6_k_to_fp32_packed8(as_ushort2(regQL.s3), (ushort)(regQH.s1 >> 16), scale1); + + acc += y6 * fp32x8.lo; + acc += y7 * fp32x8.hi; + + sum += ((acc.s0 + acc.s1) + (acc.s2 + acc.s3)); + } + + // reduction in local memory, assumes #subgroups=4 + __local float reduceLM[SIMDGROUP_WIDTH * (N_SIMDGROUP - 1)]; + if (sgid > 0) { + reduceLM[SIMDGROUP_WIDTH * (sgid - 1) + slid] = sum; + } + barrier(CLK_LOCAL_MEM_FENCE); + if (sgid == 0) { + for (uint i = 0; i < N_SIMDGROUP - 1; ++i) { + sum += reduceLM[SIMDGROUP_WIDTH * i + slid]; + } + } + + // 1 output per thread in subgroup 0 + if (sgid == 0) { + dst = dst + (offsetd >> 2); + dst[i01] = sum; + } +}