From e9cbe702b62718330d0c7cc4100fbd2de64e5993 Mon Sep 17 00:00:00 2001 From: Eve <139727413+netrunnereve@users.noreply.github.com> Date: Sun, 29 Dec 2024 20:36:14 -0500 Subject: [PATCH] unfinished restructure example, didnt continue as its really slow already 15 t/s --- .../vulkan-shaders/mul_mat_vec_q6_k.comp | 41 ++++--------------- .../src/ggml-vulkan/vulkan-shaders/types.comp | 4 +- 2 files changed, 9 insertions(+), 36 deletions(-) diff --git a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mat_vec_q6_k.comp b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mat_vec_q6_k.comp index 4f60aa8be..c1fd30314 100644 --- a/ggml/src/ggml-vulkan/vulkan-shaders/mul_mat_vec_q6_k.comp +++ b/ggml/src/ggml-vulkan/vulkan-shaders/mul_mat_vec_q6_k.comp @@ -86,41 +86,14 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) { const FLOAT_TYPE d = FLOAT_TYPE(data_a[ib0 + i].d); - uint32_t ql0_u32 = uint32_t(blkcache[ix].blk[ql_offset / 2]) | (uint32_t(blkcache[ix].blk[ql_offset / 2 + 1]) << 16); - uint32_t ql32_u32 = uint32_t(blkcache[ix].blk[ql_offset / 2 + 16]) | (uint32_t(blkcache[ix].blk[ql_offset / 2 + 17]) << 16); + FLOAT_TYPE dq[16]; + FLOAT_TYPE sum = 0; + [[unroll]] for (uint l = 0; l < 16; ++l) { + dq[l] = bitfieldExtract(blkcache[ix].blk[l/2], 1, 4) | (bitfieldExtract(blkcache[ix].blk[64 + l], 2, 2) << 4); + sum = fma(FLOAT_TYPE(bycache[ix][16*itid + l]), dq[l], sum); + } - uint32_t ql0_u32_lo4 = ql0_u32 & 0x0F0F0F0F; - uint32_t ql0_u32_hi4 = (ql0_u32 >> 4) & 0x0F0F0F0F; - uint32_t ql32_u32_lo4 = ql32_u32 & 0x0F0F0F0F; - uint32_t ql32_u32_hi4 = (ql32_u32 >> 4) & 0x0F0F0F0F; - - uint32_t qh_u32 = uint32_t(blkcache[ix].blk[64 + qh_offset / 2]) | (uint32_t(blkcache[ix].blk[64 + qh_offset / 2 + 1]) << 16); - uint32_t qh0_u32 = (qh_u32 & 0x03030303) << 4; - uint32_t qh2_u32 = (qh_u32 & 0x0C0C0C0C) << 2; - uint32_t qh4_u32 = (qh_u32 & 0x30303030); - uint32_t qh6_u32 = (qh_u32 & 0xC0C0C0C0) >> 2; - - uint32_t q0_u32 = ql0_u32_lo4 | qh0_u32; - uint32_t q1_u32 = ql32_u32_lo4 | qh2_u32; - uint32_t q2_u32 = ql0_u32_hi4 | qh4_u32; - uint32_t q3_u32 = ql32_u32_hi4 | qh6_u32; - - uvec4 q0 = uvec4(unpack8(q0_u32)); - uvec4 q1 = uvec4(unpack8(q1_u32)); - uvec4 q2 = uvec4(unpack8(q2_u32)); - uvec4 q3 = uvec4(unpack8(q3_u32)); - - FLOAT_TYPE sum[4] = {0, 0, 0, 0}; - [[unroll]] for (uint l = 0; l < 4; ++l) { - sum[0] = fma(FLOAT_TYPE(bycache[ix][128*v_im + l0 + l]), FLOAT_TYPE(int8_t(q0[l]) - 32), sum[0]); - sum[1] = fma(FLOAT_TYPE(bycache[ix][128*v_im + l0 + 32 + l]), FLOAT_TYPE(int8_t(q1[l]) - 32), sum[1]); - sum[2] = fma(FLOAT_TYPE(bycache[ix][128*v_im + l0 + 64 + l]), FLOAT_TYPE(int8_t(q2[l]) - 32), sum[2]); - sum[3] = fma(FLOAT_TYPE(bycache[ix][128*v_im + l0 + 96 + l]), FLOAT_TYPE(int8_t(q3[l]) - 32), sum[3]); - } - - [[unroll]] for (uint l = 0; l < 4; ++l) - sum[l] *= sccache[ix][s_offset + l*2]; - temp[n] += (sum[0] + sum[1] + sum[2] + sum[3]) * d; + temp[n] += sum * sccache[ix][itid] * d; } } diff --git a/ggml/src/ggml-vulkan/vulkan-shaders/types.comp b/ggml/src/ggml-vulkan/vulkan-shaders/types.comp index 04698cb4c..7cf898d00 100644 --- a/ggml/src/ggml-vulkan/vulkan-shaders/types.comp +++ b/ggml/src/ggml-vulkan/vulkan-shaders/types.comp @@ -269,8 +269,8 @@ struct block_q6_K_packed16 { // blk contains the following: // uint16_t ql[QUANT_K_Q6_K/2/2]; - // uint16_t qh[QUANT_K_Q6_K/4/2]; - // uint16_t scales[QUANT_K_Q6_K/8]; + // uint16_t qh[QUANT_K_Q6_K/4/2]; 64 + // uint16_t scales[QUANT_K_Q6_K/8]; 96 uint16_t blk[104]; float16_t d; };