55
66layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;
77
8+ shared uint32_t scu8[BLOCK_SIZE/16][12];
9+ shared FLOAT_TYPE sccache[BLOCK_SIZE/16][2][12];
10+
811void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
912 uint a_offset, b_offset, d_offset;
1013 get_offsets(a_offset, b_offset, d_offset);
@@ -16,6 +19,7 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
1619 const uint tid = gl_LocalInvocationID.x;
1720 const uint itid = tid%16; // 0...15
1821 const uint ix = tid/16;
22+ const uint itid8 = itid%8;
1923
2024 const uint v_im = itid/8; // 0 or 1. 0 computes 0..., 1 computes 128...
2125 const uint v_in = itid - 8*v_im; // 0...15 or 0...7
@@ -34,27 +38,15 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
3438 }
3539 }
3640
37- const uint s_shift = 4 * v_im;
38-
3941 [[unroll]] for (uint i = ix; i < num_blocks_per_row; i += it_size) {
4042 const uint y_idx = i * QUANT_K + y_offset;
4143
4244 [[unroll]] for (uint n = 0; n < num_rows; ++n) {
4345 const uint ib0 = a_offset / QUANT_K + (first_row+n)*num_blocks_per_row;
4446 const FLOAT_TYPE d = FLOAT_TYPE(data_a[ib0 + i].d);
4547
46- uint16_t s0_16 = data_a_packed16[ib0 + i].scales[0];
47- uint16_t s2_16 = data_a_packed16[ib0 + i].scales[1];
48- uint16_t s4_16 = data_a_packed16[ib0 + i].scales[2];
49- uint16_t s6_16 = data_a_packed16[ib0 + i].scales[3];
50- uint16_t s8_16 = data_a_packed16[ib0 + i].scales[4];
51- uint16_t s10_16 = data_a_packed16[ib0 + i].scales[5];
52- u8vec2 s0 = unpack8(s0_16);
53- u8vec2 s2 = unpack8(s2_16);
54- u8vec2 s4 = unpack8(s4_16);
55- u8vec2 s6 = unpack8(s6_16);
56- u8vec2 s8 = unpack8(s8_16);
57- u8vec2 s10 = unpack8(s10_16);
48+ sccache[ix][v_im][itid8] = FLOAT_TYPE(int8_t(((int8_t(data_a[ib0+i].scales[itid8]) >> 4*v_im) & 0xF) | ((int8_t(data_a[ib0+i].scales[itid%4+8]) >> (4*v_im + 2*(itid8/4)) & 0x3) << 4)) - 32);
49+ barrier();
5850
5951 [[unroll]] for (uint j = 0; j < NUM_COLS; ++j) {
6052
@@ -69,14 +61,14 @@ void compute_outputs(const uint32_t first_row, const uint32_t num_rows) {
6961
7062 FLOAT_TYPE sum = FLOAT_TYPE(0.0);
7163 [[unroll]] for (int l = 0; l < 2; ++l) {
72- sum = fma(FLOAT_TYPE(b0[l]) * FLOAT_TYPE(int8_t(((s0[0] >> s_shift) & 0xF) | ((s8[0] >> (s_shift + 0) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 0 )) != 0) ? 0 : 4)),
73- fma(FLOAT_TYPE(b32 [l]) * FLOAT_TYPE(int8_t(((s2[0] >> s_shift) & 0xF) | ((s10[0] >> (s_shift + 0) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 2 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 1 )) != 0) ? 0 : 4)),
74- fma(FLOAT_TYPE(b64 [l]) * FLOAT_TYPE(int8_t(((s4[0] >> s_shift) & 0xF) | ((s8[0] >> (s_shift + 2) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 4 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 2 )) != 0) ? 0 : 4)),
75- fma(FLOAT_TYPE(b96 [l]) * FLOAT_TYPE(int8_t(((s6[0] >> s_shift) & 0xF) | ((s10[0] >> (s_shift + 2) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 6 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 3 )) != 0) ? 0 : 4)),
76- fma(FLOAT_TYPE(b16 [l]) * FLOAT_TYPE(int8_t(((s0[1] >> s_shift) & 0xF) | ((s8[1] >> (s_shift + 0) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16 ] & (m << 0 )) != 0) ? 0 : 4)),
77- fma(FLOAT_TYPE(b48 [l]) * FLOAT_TYPE(int8_t(((s2[1] >> s_shift) & 0xF) | ((s10[1] >> (s_shift + 0) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] >> 2 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16] & (m << 1 )) != 0) ? 0 : 4)),
78- fma(FLOAT_TYPE(b80 [l]) * FLOAT_TYPE(int8_t(((s4[1] >> s_shift) & 0xF) | ((s8[1] >> (s_shift + 2) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16 ] >> 4 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16 ] & (m << 2 )) != 0) ? 0 : 4)),
79- fma(FLOAT_TYPE(b112[l]) * FLOAT_TYPE(int8_t(((s6[1] >> s_shift) & 0xF) | ((s10[1] >> (s_shift + 2) & 0x3) << 4)) - 32) , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] >> 6) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16] & (m << 3)) != 0) ? 0 : 4)), sum))))))));
64+ sum = fma(FLOAT_TYPE( b0[l]) * sccache[ix][v_im][0] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m )) != 0) ? 0 : 4)),
65+ fma(FLOAT_TYPE( b16 [l]) * sccache[ix][v_im][1] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16 ] & (m )) != 0) ? 0 : 4)),
66+ fma(FLOAT_TYPE( b32 [l]) * sccache[ix][v_im][2] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 2 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 1 )) != 0) ? 0 : 4)),
67+ fma(FLOAT_TYPE( b48 [l]) * sccache[ix][v_im][3] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16 ] >> 2 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16 ] & (m << 1 )) != 0) ? 0 : 4)),
68+ fma(FLOAT_TYPE( b64 [l]) * sccache[ix][v_im][4] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 4 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 2 )) != 0) ? 0 : 4)),
69+ fma(FLOAT_TYPE( b80 [l]) * sccache[ix][v_im][5] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] >> 4 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16] & (m << 2 )) != 0) ? 0 : 4)),
70+ fma(FLOAT_TYPE( b96 [l]) * sccache[ix][v_im][6] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l ] >> 6 ) & 3) - (((data_a[ib0 + i].hmask[l0 + l ] & (m << 3 )) != 0) ? 0 : 4)),
71+ fma(FLOAT_TYPE(b112[l]) * sccache[ix][v_im][7] , FLOAT_TYPE(((data_a[ib0 + i].qs[q_offset + l+16] >> 6) & 3) - (((data_a[ib0 + i].hmask[l0 + l+16] & (m << 3)) != 0) ? 0 : 4)), sum))))))));
8072 }
8173 temp[j][n] = fma(d, sum, temp[j][n]);
8274 }
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