#version 450 #extension GL_EXT_shader_explicit_arithmetic_types : require #include "mul_mat_vec_base.comp" layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in; layout (constant_id = 0) const uint BLOCK_SIZE = 32; shared FLOAT_TYPE tmp[BLOCK_SIZE]; void main() { const uint row = gl_WorkGroupID.x + gl_NumWorkGroups.x * gl_WorkGroupID.z; if (row >= p.stride_d) { return; } uint a_offset, b_offset, d_offset; get_offsets(a_offset, b_offset, d_offset); const uint num_blocks_per_row = p.ncols / QUANT_K; const uint ib0 = a_offset / QUANT_K + row*num_blocks_per_row; // 16 threads are used to process each block const uint it_size = gl_WorkGroupSize.x/16; const uint tid = gl_LocalInvocationID.x; const uint itid = tid%16; // 0...16 const uint ix = tid/16; const uint il = itid/4; // 0...3 const uint ir = itid - 4*il; // 0...7 or 0...3 const uint v_im = il / 2; // 0 or 1. 0 computes 0,32 + 128,160, 1 computes 64,96 + 192,224 const uint v_in = il % 2; const uint l0 = 4*ir + 2*v_in; // 0...15 const uint q_offset = 32*v_im + l0; const uint y_offset = 64*v_im + l0; FLOAT_TYPE temp = FLOAT_TYPE(0.0); // partial sum for thread in warp [[unroll]] for (uint i = ix; i < num_blocks_per_row; i += it_size) { const uint y1_idx = i * QUANT_K + y_offset; const uint y2_idx = y1_idx + 128; f16vec2 d = data_a[ib0 + i].d; const FLOAT_TYPE dall = FLOAT_TYPE(d.x); const FLOAT_TYPE dmin = FLOAT_TYPE(d.y); uint32_t scale0_u32 = data_a_packed16[ib0 + i].scales[v_im ]; uint32_t scale4_u32 = data_a_packed16[ib0 + i].scales[v_im + 2]; uint32_t scale8_u32 = data_a_packed16[ib0 + i].scales[v_im + 4]; uvec4 scale0 = uvec4(unpack8(scale0_u32)); uvec4 scale4 = uvec4(unpack8(scale4_u32)); uvec4 scale8 = uvec4(unpack8(scale8_u32)); const uint32_t sc0 = ( scale0.x & 0x3f); const uint32_t sc1 = ( scale0.y & 0x3f); const uint32_t sc2 = ( scale4.x & 0x3f); const uint32_t sc3 = ( scale4.y & 0x3f); const uint32_t sc4 = (( scale8.x & 0x0f) | ((scale0.x & 0xc0) >> 2)); const uint32_t sc5 = (( scale8.y & 0x0f) | ((scale0.y & 0xc0) >> 2)); const uint32_t sc6 = (((scale8.x >> 4) & 0x0f) | ((scale4.x & 0xc0) >> 2)); const uint32_t sc7 = (((scale8.y >> 4) & 0x0f) | ((scale4.y & 0xc0) >> 2)); uint32_t qs0_16_u32 = uint32_t(data_a_packed16[ib0 + i].qs[q_offset / 2]) | (uint32_t(data_a_packed16[ib0 + i].qs[q_offset / 2 + 8]) << 16); uint32_t qs64_80_u32 = uint32_t(data_a_packed16[ib0 + i].qs[q_offset / 2 + 32]) | (uint32_t(data_a_packed16[ib0 + i].qs[q_offset / 2 + 40]) << 16); uint32_t qs0_16_u32_lo4 = qs0_16_u32 & 0x0F0F0F0F; uint32_t qs0_16_u32_hi4 = (qs0_16_u32 >> 4) & 0x0F0F0F0F; uint32_t qs64_80_u32_lo4 = qs64_80_u32 & 0x0F0F0F0F; uint32_t qs64_80_u32_hi4 = (qs64_80_u32 >> 4) & 0x0F0F0F0F; uint32_t qh = pack32(u16vec2(data_a_packed16[ib0 + i].qh[l0 / 2], data_a_packed16[ib0 + i].qh[l0 / 2 + 8])); uint32_t qs0_16_lo4_offset16 = ((qh >> (2*v_im)) & 0x01010101) << 4; uint32_t qs0_16_hi4_offset16 = ((qh >> (2*v_im)) & 0x02020202) << 3; uint32_t qs64_80_lo4_offset16 = ((qh >> (2*v_im)) & 0x10101010) << 0; uint32_t qs64_80_hi4_offset16 = ((qh >> (2*v_im)) & 0x20202020) >> 1; qs0_16_u32_lo4 += qs0_16_lo4_offset16; qs0_16_u32_hi4 += qs0_16_hi4_offset16; qs64_80_u32_lo4 += qs64_80_lo4_offset16; qs64_80_u32_hi4 += qs64_80_hi4_offset16; uvec4 qs0_16_lo4 = uvec4(unpack8(qs0_16_u32_lo4)); uvec4 qs64_80_lo4 = uvec4(unpack8(qs64_80_u32_lo4)); uvec4 qs0_16_hi4 = uvec4(unpack8(qs0_16_u32_hi4)); uvec4 qs64_80_hi4 = uvec4(unpack8(qs64_80_u32_hi4)); const uint32_t q4_0 = qs0_16_lo4.x; const uint32_t q4_1 = qs0_16_lo4.y; const uint32_t q4_2 = qs0_16_lo4.z; const uint32_t q4_3 = qs0_16_lo4.w; const uint32_t q4_4 = qs0_16_hi4.x; const uint32_t q4_5 = qs0_16_hi4.y; const uint32_t q4_6 = qs0_16_hi4.z; const uint32_t q4_7 = qs0_16_hi4.w; const uint32_t q4_8 = qs64_80_lo4.x; const uint32_t q4_9 = qs64_80_lo4.y; const uint32_t q4_10 = qs64_80_lo4.z; const uint32_t q4_11 = qs64_80_lo4.w; const uint32_t q4_12 = qs64_80_hi4.x; const uint32_t q4_13 = qs64_80_hi4.y; const uint32_t q4_14 = qs64_80_hi4.z; const uint32_t q4_15 = qs64_80_hi4.w; B_TYPE_VEC2 by10 = data_b_v2[(b_offset + y1_idx) / 2]; B_TYPE_VEC2 by116 = data_b_v2[(b_offset + y1_idx) / 2 + 8]; B_TYPE_VEC2 by132 = data_b_v2[(b_offset + y1_idx) / 2 + 16]; B_TYPE_VEC2 by148 = data_b_v2[(b_offset + y1_idx) / 2 + 24]; B_TYPE_VEC2 by20 = data_b_v2[(b_offset + y2_idx) / 2]; B_TYPE_VEC2 by216 = data_b_v2[(b_offset + y2_idx) / 2 + 8]; B_TYPE_VEC2 by232 = data_b_v2[(b_offset + y2_idx) / 2 + 16]; B_TYPE_VEC2 by248 = data_b_v2[(b_offset + y2_idx) / 2 + 24]; const FLOAT_TYPE sx = fma(FLOAT_TYPE(by10.x), q4_0, fma(FLOAT_TYPE(by10.y), q4_1, fma(FLOAT_TYPE(by116.x), q4_2, FLOAT_TYPE(by116.y) * q4_3))); const FLOAT_TYPE sy = fma(FLOAT_TYPE(by132.x), q4_4, fma(FLOAT_TYPE(by132.y), q4_5, fma(FLOAT_TYPE(by148.x), q4_6, FLOAT_TYPE(by148.y) * q4_7))); const FLOAT_TYPE sz = fma(FLOAT_TYPE(by20.x), q4_8, fma(FLOAT_TYPE(by20.y), q4_9, fma(FLOAT_TYPE(by216.x), q4_10, FLOAT_TYPE(by216.y) * q4_11))); const FLOAT_TYPE sw = fma(FLOAT_TYPE(by232.x), q4_12, fma(FLOAT_TYPE(by232.y), q4_13, fma(FLOAT_TYPE(by248.x), q4_14, FLOAT_TYPE(by248.y) * q4_15))); const FLOAT_TYPE smin = fma(FLOAT_TYPE(by10.x) + FLOAT_TYPE(by10.y) + FLOAT_TYPE(by116.x) + FLOAT_TYPE(by116.y), sc2, fma(FLOAT_TYPE(by132.x) + FLOAT_TYPE(by132.y) + FLOAT_TYPE(by148.x) + FLOAT_TYPE(by148.y), sc3, fma(FLOAT_TYPE(by20.x) + FLOAT_TYPE(by20.y) + FLOAT_TYPE(by216.x) + FLOAT_TYPE(by216.y), sc6, (FLOAT_TYPE(by232.x) + FLOAT_TYPE(by232.y) + FLOAT_TYPE(by248.x) + FLOAT_TYPE(by248.y)) * sc7))); temp = fma(dall, fma(sx, sc0, fma(sy, sc1, fma(sz, sc4, sw * sc5))), fma(-dmin, smin, temp)); } tmp[gl_LocalInvocationID.x] = temp; // sum up partial sums and write back result barrier(); [[unroll]] for (uint s = gl_WorkGroupSize.x/2; s > 0; s >>= 1) { if (tid < s) { tmp[tid] += tmp[tid + s]; } barrier(); } if (tid == 0) { data_d[d_offset + row] = D_TYPE(tmp[0]); } }