From 1471e4118000993210c520739f4a251f82101944 Mon Sep 17 00:00:00 2001 From: Georgi Gerganov Date: Mon, 4 Nov 2024 13:43:32 +0200 Subject: [PATCH] metal : move dequantize templates to beginning of MSL source (llama/0) --- ggml/src/ggml-metal.metal | 874 +++++++++++++++++++------------------- 1 file changed, 436 insertions(+), 438 deletions(-) diff --git a/ggml/src/ggml-metal.metal b/ggml/src/ggml-metal.metal index 57eb34f..3eb9766 100644 --- a/ggml/src/ggml-metal.metal +++ b/ggml/src/ggml-metal.metal @@ -12,6 +12,442 @@ using namespace metal; #define N_SIMDWIDTH 32 // assuming SIMD group size is 32 +constexpr constant static float kvalues_iq4nl_f[16] = { + -127.f, -104.f, -83.f, -65.f, -49.f, -35.f, -22.f, -10.f, 1.f, 13.f, 25.f, 38.f, 53.f, 69.f, 89.f, 113.f +}; + +// NOTE: this is not dequantizing - we are simply fitting the template +template +void dequantize_f32(device const float4x4 * src, short il, thread type4x4 & reg) { + float4x4 temp = *(((device float4x4 *)src)); + for (int i = 0; i < 16; i++){ + reg[i/4][i%4] = temp[i/4][i%4]; + } +} + +template +void dequantize_f16(device const half4x4 * src, short il, thread type4x4 & reg) { + half4x4 temp = *(((device half4x4 *)src)); + for (int i = 0; i < 16; i++){ + reg[i/4][i%4] = temp[i/4][i%4]; + } +} + +template +void dequantize_q4_0(device const block_q4_0 *xb, short il, thread type4x4 & reg) { + device const uint16_t * qs = ((device const uint16_t *)xb + 1); + const float d1 = il ? (xb->d / 16.h) : xb->d; + const float d2 = d1 / 256.f; + const float md = -8.h * xb->d; + const ushort mask0 = il ? 0x00F0 : 0x000F; + const ushort mask1 = mask0 << 8; + + for (int i=0;i<8;i++) { + reg[i/2][2*(i%2)+0] = d1 * (qs[i] & mask0) + md; + reg[i/2][2*(i%2)+1] = d2 * (qs[i] & mask1) + md; + } +} + +template +void dequantize_q4_1(device const block_q4_1 *xb, short il, thread type4x4 & reg) { + device const uint16_t * qs = ((device const uint16_t *)xb + 2); + const float d1 = il ? (xb->d / 16.h) : xb->d; + const float d2 = d1 / 256.f; + const float m = xb->m; + const ushort mask0 = il ? 0x00F0 : 0x000F; + const ushort mask1 = mask0 << 8; + + for (int i=0;i<8;i++) { + reg[i/2][2*(i%2)+0] = ((qs[i] & mask0) * d1) + m; + reg[i/2][2*(i%2)+1] = ((qs[i] & mask1) * d2) + m; + } +} + +template +void dequantize_q5_0(device const block_q5_0 *xb, short il, thread type4x4 & reg) { + device const uint16_t * qs = ((device const uint16_t *)xb + 3); + const float d = xb->d; + const float md = -16.h * xb->d; + const ushort mask = il ? 0x00F0 : 0x000F; + + const uint32_t qh = *((device const uint32_t *)xb->qh); + + const int x_mv = il ? 4 : 0; + + const int gh_mv = il ? 12 : 0; + const int gh_bk = il ? 0 : 4; + + for (int i = 0; i < 8; i++) { + // extract the 5-th bits for x0 and x1 + const uint8_t xh_0 = ((qh >> (gh_mv + 2*i )) << gh_bk) & 0x10; + const uint8_t xh_1 = ((qh >> (gh_mv + 2*i+1)) << gh_bk) & 0x10; + + // combine the 4-bits from qs with the 5th bit + const int32_t x0 = ((((qs[i] ) & mask) >> x_mv) | xh_0); + const int32_t x1 = ((((qs[i] >> 8) & mask) >> x_mv) | xh_1); + + reg[i/2][2*(i%2)+0] = d * x0 + md; + reg[i/2][2*(i%2)+1] = d * x1 + md; + } +} + +template +void dequantize_q5_1(device const block_q5_1 *xb, short il, thread type4x4 & reg) { + device const uint16_t * qs = ((device const uint16_t *)xb + 4); + const float d = xb->d; + const float m = xb->m; + const ushort mask = il ? 0x00F0 : 0x000F; + + const uint32_t qh = *((device const uint32_t *)xb->qh); + + const int x_mv = il ? 4 : 0; + + const int gh_mv = il ? 12 : 0; + const int gh_bk = il ? 0 : 4; + + for (int i = 0; i < 8; i++) { + // extract the 5-th bits for x0 and x1 + const uint8_t xh_0 = ((qh >> (gh_mv + 2*i )) << gh_bk) & 0x10; + const uint8_t xh_1 = ((qh >> (gh_mv + 2*i+1)) << gh_bk) & 0x10; + + // combine the 4-bits from qs with the 5th bit + const int32_t x0 = ((((qs[i] ) & mask) >> x_mv) | xh_0); + const int32_t x1 = ((((qs[i] >> 8) & mask) >> x_mv) | xh_1); + + reg[i/2][2*(i%2)+0] = d * x0 + m; + reg[i/2][2*(i%2)+1] = d * x1 + m; + } +} + +template +void dequantize_q8_0(device const block_q8_0 *xb, short il, thread type4x4 & reg) { + device const int8_t * qs = ((device const int8_t *)xb->qs); + const half d = xb->d; + + for (int i = 0; i < 16; i++) { + reg[i/4][i%4] = (qs[i + 16*il] * d); + } +} + +template +void dequantize_q2_K(device const block_q2_K *xb, short il, thread type4x4 & reg) { + const float d = xb->d; + const float min = xb->dmin; + device const uint8_t * q = (device const uint8_t *)xb->qs; + float dl, ml; + uint8_t sc = xb->scales[il]; + + q = q + 32*(il/8) + 16*(il&1); + il = (il/2)%4; + + half coef = il>1 ? (il>2 ? 1/64.h : 1/16.h) : (il>0 ? 1/4.h : 1.h); + uchar mask = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); + dl = d * (sc & 0xF) * coef, ml = min * (sc >> 4); + for (int i = 0; i < 16; ++i) { + reg[i/4][i%4] = dl * (q[i] & mask) - ml; + } +} + +template +void dequantize_q3_K(device const block_q3_K *xb, short il, thread type4x4 & reg) { + const half d_all = xb->d; + device const uint8_t * q = (device const uint8_t *)xb->qs; + device const uint8_t * h = (device const uint8_t *)xb->hmask; + device const int8_t * scales = (device const int8_t *)xb->scales; + + q = q + 32 * (il/8) + 16 * (il&1); + h = h + 16 * (il&1); + uint8_t m = 1 << (il/2); + uint16_t kmask1 = (il/4)>1 ? ((il/4)>2 ? 192 : 48) : \ + ((il/4)>0 ? 12 : 3); + uint16_t kmask2 = il/8 ? 0xF0 : 0x0F; + uint16_t scale_2 = scales[il%8], scale_1 = scales[8 + il%4]; + int16_t dl_int = (il/4)&1 ? (scale_2&kmask2) | ((scale_1&kmask1) << 2) + : (scale_2&kmask2) | ((scale_1&kmask1) << 4); + float dl = il<8 ? d_all * (dl_int - 32.f) : d_all * (dl_int / 16.f - 32.f); + const float ml = 4.f * dl; + + il = (il/2) & 3; + const half coef = il>1 ? (il>2 ? 1/64.h : 1/16.h) : (il>0 ? 1/4.h : 1.h); + const uint8_t mask = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); + dl *= coef; + + for (int i = 0; i < 16; ++i) { + reg[i/4][i%4] = dl * (q[i] & mask) - (h[i] & m ? 0 : ml); + } +} + +static inline uchar2 get_scale_min_k4_just2(int j, int k, device const uchar * q) { + return j < 4 ? uchar2{uchar(q[j+0+k] & 63), uchar(q[j+4+k] & 63)} + : uchar2{uchar((q[j+4+k] & 0xF) | ((q[j-4+k] & 0xc0) >> 2)), uchar((q[j+4+k] >> 4) | ((q[j-0+k] & 0xc0) >> 2))}; +} + +template +void dequantize_q4_K(device const block_q4_K *xb, short il, thread type4x4 & reg) { + device const uchar * q = xb->qs; + + short is = (il/4) * 2; + q = q + (il/4) * 32 + 16 * (il&1); + il = il & 3; + const uchar2 sc = get_scale_min_k4_just2(is, il/2, xb->scales); + const float d = il < 2 ? xb->d : xb->d / 16.h; + const float min = xb->dmin; + const float dl = d * sc[0]; + const float ml = min * sc[1]; + + const ushort mask = il<2 ? 0x0F : 0xF0; + for (int i = 0; i < 16; ++i) { + reg[i/4][i%4] = dl * (q[i] & mask) - ml; + } +} + +template +void dequantize_q5_K(device const block_q5_K *xb, short il, thread type4x4 & reg) { + device const uint8_t * q = xb->qs; + device const uint8_t * qh = xb->qh; + + short is = (il/4) * 2; + q = q + 32 * (il/4) + 16 * (il&1); + qh = qh + 16 * (il&1); + uint8_t ul = 1 << (il/2); + il = il & 3; + const uchar2 sc = get_scale_min_k4_just2(is, il/2, xb->scales); + const float d = il < 2 ? xb->d : xb->d / 16.f; + const float min = xb->dmin; + const float dl = d * sc[0]; + const float ml = min * sc[1]; + + const ushort mask = il<2 ? 0x0F : 0xF0; + const float qh_val = il<2 ? 16.f : 256.f; + for (int i = 0; i < 16; ++i) { + reg[i/4][i%4] = dl * ((q[i] & mask) + (qh[i] & ul ? qh_val : 0)) - ml; + } +} + +template +void dequantize_q6_K(device const block_q6_K *xb, short il, thread type4x4 & reg) { + const half d_all = xb->d; + device const uint8_t * ql = (device const uint8_t *)xb->ql; + device const uint8_t * qh = (device const uint8_t *)xb->qh; + device const int8_t * scales = (device const int8_t *)xb->scales; + + ql = ql + 64*(il/8) + 32*((il/2)&1) + 16*(il&1); + qh = qh + 32*(il/8) + 16*(il&1); + float sc = scales[(il%2) + 2 * ((il/2))]; + il = (il/2) & 3; + + const uint16_t kmask1 = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); + const uint16_t kmask2 = il>1 ? 0xF0 : 0x0F; + const float coef = il>1 ? 1.f/16.f : 1.f; + const float ml = d_all * sc * 32.f; + const float dl = d_all * sc * coef; + for (int i = 0; i < 16; ++i) { + const half q = il&1 ? ((ql[i] & kmask2) | ((qh[i] & kmask1) << 2)) + : ((ql[i] & kmask2) | ((qh[i] & kmask1) << 4)); + reg[i/4][i%4] = dl * q - ml; + } +} + +template +void dequantize_iq2_xxs(device const block_iq2_xxs * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const float d = xb->d; + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + // each block of 32 needs 2 uint32_t's for the quants & scale, so 4 uint16_t's. + device const uint16_t * q2 = xb->qs + 4*ib32; + const uint32_t aux32_g = q2[0] | (q2[1] << 16); + const uint32_t aux32_s = q2[2] | (q2[3] << 16); + thread const uint8_t * aux8 = (thread const uint8_t *)&aux32_g; + const float dl = d * (0.5f + (aux32_s >> 28)) * 0.25f; + constant uint8_t * grid = (constant uint8_t *)(iq2xxs_grid + aux8[2*il+0]); + uint8_t signs = ksigns_iq2xs[(aux32_s >> 14*il) & 127]; + for (int i = 0; i < 8; ++i) { + reg[i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); + } + grid = (constant uint8_t *)(iq2xxs_grid + aux8[2*il+1]); + signs = ksigns_iq2xs[(aux32_s >> (14*il+7)) & 127]; + for (int i = 0; i < 8; ++i) { + reg[2+i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); + } +} + +template +void dequantize_iq2_xs(device const block_iq2_xs * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const float d = xb->d; + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + device const uint16_t * q2 = xb->qs + 4*ib32; + const float dl = d * (0.5f + ((xb->scales[ib32] >> 4*il) & 0xf)) * 0.25f; + constant uint8_t * grid = (constant uint8_t *)(iq2xs_grid + (q2[2*il+0] & 511)); + uint8_t signs = ksigns_iq2xs[q2[2*il+0] >> 9]; + for (int i = 0; i < 8; ++i) { + reg[i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); + } + grid = (constant uint8_t *)(iq2xs_grid + (q2[2*il+1] & 511)); + signs = ksigns_iq2xs[q2[2*il+1] >> 9]; + for (int i = 0; i < 8; ++i) { + reg[2+i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); + } +} + +template +void dequantize_iq3_xxs(device const block_iq3_xxs * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const float d = xb->d; + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + device const uint8_t * q3 = xb->qs + 8*ib32; + device const uint16_t * gas = (device const uint16_t *)(xb->qs + QK_K/4) + 2*ib32; + const uint32_t aux32 = gas[0] | (gas[1] << 16); + const float dl = d * (0.5f + (aux32 >> 28)) * 0.5f; + constant uint8_t * grid1 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+0]); + constant uint8_t * grid2 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+1]); + uint8_t signs = ksigns_iq2xs[(aux32 >> 14*il) & 127]; + for (int i = 0; i < 4; ++i) { + reg[0][i] = dl * grid1[i] * (signs & kmask_iq2xs[i+0] ? -1.f : 1.f); + reg[1][i] = dl * grid2[i] * (signs & kmask_iq2xs[i+4] ? -1.f : 1.f); + } + grid1 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+2]); + grid2 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+3]); + signs = ksigns_iq2xs[(aux32 >> (14*il+7)) & 127]; + for (int i = 0; i < 4; ++i) { + reg[2][i] = dl * grid1[i] * (signs & kmask_iq2xs[i+0] ? -1.f : 1.f); + reg[3][i] = dl * grid2[i] * (signs & kmask_iq2xs[i+4] ? -1.f : 1.f); + } +} + +template +void dequantize_iq3_s(device const block_iq3_s * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const float d = xb->d; + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + device const uint8_t * qs = xb->qs + 8*ib32; + device const uint8_t * signs = xb->signs + 4*ib32 + 2*il; + const uint8_t qh = xb->qh[ib32] >> 4*il; + const float dl = d * (1 + 2*((xb->scales[ib32/2] >> 4*(ib32%2)) & 0xf)); + constant uint8_t * grid1 = (constant uint8_t *)(iq3s_grid + (qs[4*il+0] | ((qh << 8) & 256))); + constant uint8_t * grid2 = (constant uint8_t *)(iq3s_grid + (qs[4*il+1] | ((qh << 7) & 256))); + for (int i = 0; i < 4; ++i) { + reg[0][i] = dl * grid1[i] * select(1, -1, signs[0] & kmask_iq2xs[i+0]); + reg[1][i] = dl * grid2[i] * select(1, -1, signs[0] & kmask_iq2xs[i+4]); + } + grid1 = (constant uint8_t *)(iq3s_grid + (qs[4*il+2] | ((qh << 6) & 256))); + grid2 = (constant uint8_t *)(iq3s_grid + (qs[4*il+3] | ((qh << 5) & 256))); + for (int i = 0; i < 4; ++i) { + reg[2][i] = dl * grid1[i] * select(1, -1, signs[1] & kmask_iq2xs[i+0]); + reg[3][i] = dl * grid2[i] * select(1, -1, signs[1] & kmask_iq2xs[i+4]); + } +} + +template +void dequantize_iq2_s(device const block_iq2_s * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const float d = xb->d; + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; + device const uint8_t * signs = qs + QK_K/8; + const uint8_t qh = xb->qh[ib32] >> 4*il; + const float dl = d * (0.5f + ((xb->scales[ib32] >> 4*il) & 0xf)) * 0.25f; + constant uint8_t * grid1 = (constant uint8_t *)(iq2s_grid + (qs[0] | ((qh << 8) & 0x300))); + constant uint8_t * grid2 = (constant uint8_t *)(iq2s_grid + (qs[1] | ((qh << 6) & 0x300))); + for (int i = 0; i < 8; ++i) { + reg[i/4+0][i%4] = dl * grid1[i] * select(1, -1, signs[0] & kmask_iq2xs[i]); + reg[i/4+2][i%4] = dl * grid2[i] * select(1, -1, signs[1] & kmask_iq2xs[i]); + } +} + +template +void dequantize_iq1_s(device const block_iq1_s * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const int ib32 = il/2; + il = il%2; + const float d = xb->d; + device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; + device const uint16_t * qh = xb->qh; + const float dl = d * (2*((qh[ib32] >> 12) & 7) + 1); + const float ml = dl * (qh[ib32] & 0x8000 ? -1 - IQ1S_DELTA : -1 + IQ1S_DELTA); + const uint16_t h = qh[ib32] >> 6*il; + constant uint8_t * grid1 = (constant uint8_t *)(iq1s_grid_gpu + (qs[0] | ((h << 8) & 0x700))); + constant uint8_t * grid2 = (constant uint8_t *)(iq1s_grid_gpu + (qs[1] | ((h << 5) & 0x700))); + for (int i = 0; i < 4; ++i) { + reg[0][i] = dl * (grid1[i] & 0xf) + ml; + reg[1][i] = dl * (grid1[i] >> 4) + ml; + reg[2][i] = dl * (grid2[i] & 0xf) + ml; + reg[3][i] = dl * (grid2[i] >> 4) + ml; + } +} + +template +void dequantize_iq1_m(device const block_iq1_m * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const int ib32 = il/2; + il = il%2; + device const uint16_t * sc = (device const uint16_t *)xb->scales; + + iq1m_scale_t scale; + scale.u16 = (sc[0] >> 12) | ((sc[1] >> 8) & 0x00f0) | ((sc[2] >> 4) & 0x0f00) | (sc[3] & 0xf000); + const float d = scale.f16; + + device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; + device const uint8_t * qh = xb->qh + 2*ib32 + il; + + const float dl = d * (2*((sc[ib32/2] >> (6*(ib32%2)+3*il)) & 7) + 1); + const float ml1 = dl * (qh[0] & 0x08 ? -1 - IQ1M_DELTA : -1 + IQ1M_DELTA); + const float ml2 = dl * (qh[0] & 0x80 ? -1 - IQ1M_DELTA : -1 + IQ1M_DELTA); + constant uint8_t * grid1 = (constant uint8_t *)(iq1s_grid_gpu + (qs[0] | ((qh[0] << 8) & 0x700))); + constant uint8_t * grid2 = (constant uint8_t *)(iq1s_grid_gpu + (qs[1] | ((qh[0] << 4) & 0x700))); + for (int i = 0; i < 4; ++i) { + reg[0][i] = dl * (grid1[i] & 0xf) + ml1; + reg[1][i] = dl * (grid1[i] >> 4) + ml1; + reg[2][i] = dl * (grid2[i] & 0xf) + ml2; + reg[3][i] = dl * (grid2[i] >> 4) + ml2; + } +} + +template +void dequantize_iq4_nl(device const block_iq4_nl * xb, short il, thread type4x4 & reg) { + device const uint16_t * q4 = (device const uint16_t *)xb->qs; + const float d = xb->d; + uint32_t aux32; + thread const uint8_t * q8 = (thread const uint8_t *)&aux32; + for (int i = 0; i < 4; ++i) { + aux32 = ((q4[2*i] | (q4[2*i+1] << 16)) >> 4*il) & 0x0f0f0f0f; + reg[i][0] = d * kvalues_iq4nl_f[q8[0]]; + reg[i][1] = d * kvalues_iq4nl_f[q8[1]]; + reg[i][2] = d * kvalues_iq4nl_f[q8[2]]; + reg[i][3] = d * kvalues_iq4nl_f[q8[3]]; + } +} + +template +void dequantize_iq4_xs(device const block_iq4_xs * xb, short il, thread type4x4 & reg) { + // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 + const int ib32 = il/2; + il = il%2; + // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 + device const uint32_t * q4 = (device const uint32_t *)xb->qs + 4*ib32; + const int ls = ((xb->scales_l[ib32/2] >> 4*(ib32%2)) & 0xf) | (((xb->scales_h >> 2*ib32) & 3) << 4); + const float d = (float)xb->d * (ls - 32); + uint32_t aux32; + thread const uint8_t * q8 = (thread const uint8_t *)&aux32; + for (int i = 0; i < 4; ++i) { + aux32 = (q4[i] >> 4*il) & 0x0f0f0f0f; + reg[i][0] = d * kvalues_iq4nl_f[q8[0]]; + reg[i][1] = d * kvalues_iq4nl_f[q8[1]]; + reg[i][2] = d * kvalues_iq4nl_f[q8[2]]; + reg[i][3] = d * kvalues_iq4nl_f[q8[3]]; + } +} + enum ggml_sort_order { GGML_SORT_ORDER_ASC, GGML_SORT_ORDER_DESC, @@ -3339,10 +3775,6 @@ static inline int best_index_int8(int n, constant float * val, float x) { return x - val[mu-1] < val[mu] - x ? mu-1 : mu; } -constexpr constant static float kvalues_iq4nl_f[16] = { - -127.f, -104.f, -83.f, -65.f, -49.f, -35.f, -22.f, -10.f, 1.f, 13.f, 25.f, 38.f, 53.f, 69.f, 89.f, 113.f -}; - kernel void kernel_cpy_f32_iq4_nl( device const float * src0, device void * dst, @@ -5457,440 +5889,6 @@ kernel void kernel_mul_mv_iq4_xs_f32( kernel_mul_mv_iq4_xs_f32_impl(src0, src1, dst, ne00, ne01, ne02, nb01, nb02, nb03, ne10, ne12, nb11, nb12, nb13, ne0, ne1, r2, r3, shared_values, tgpig, tiisg, sgitg); } -//============================= templates and their specializations ============================= - -// NOTE: this is not dequantizing - we are simply fitting the template -template -void dequantize_f32(device const float4x4 * src, short il, thread type4x4 & reg) { - float4x4 temp = *(((device float4x4 *)src)); - for (int i = 0; i < 16; i++){ - reg[i/4][i%4] = temp[i/4][i%4]; - } -} - -template -void dequantize_f16(device const half4x4 * src, short il, thread type4x4 & reg) { - half4x4 temp = *(((device half4x4 *)src)); - for (int i = 0; i < 16; i++){ - reg[i/4][i%4] = temp[i/4][i%4]; - } -} - -template -void dequantize_q4_0(device const block_q4_0 *xb, short il, thread type4x4 & reg) { - device const uint16_t * qs = ((device const uint16_t *)xb + 1); - const float d1 = il ? (xb->d / 16.h) : xb->d; - const float d2 = d1 / 256.f; - const float md = -8.h * xb->d; - const ushort mask0 = il ? 0x00F0 : 0x000F; - const ushort mask1 = mask0 << 8; - - for (int i=0;i<8;i++) { - reg[i/2][2*(i%2)+0] = d1 * (qs[i] & mask0) + md; - reg[i/2][2*(i%2)+1] = d2 * (qs[i] & mask1) + md; - } -} - -template -void dequantize_q4_1(device const block_q4_1 *xb, short il, thread type4x4 & reg) { - device const uint16_t * qs = ((device const uint16_t *)xb + 2); - const float d1 = il ? (xb->d / 16.h) : xb->d; - const float d2 = d1 / 256.f; - const float m = xb->m; - const ushort mask0 = il ? 0x00F0 : 0x000F; - const ushort mask1 = mask0 << 8; - - for (int i=0;i<8;i++) { - reg[i/2][2*(i%2)+0] = ((qs[i] & mask0) * d1) + m; - reg[i/2][2*(i%2)+1] = ((qs[i] & mask1) * d2) + m; - } -} - -template -void dequantize_q5_0(device const block_q5_0 *xb, short il, thread type4x4 & reg) { - device const uint16_t * qs = ((device const uint16_t *)xb + 3); - const float d = xb->d; - const float md = -16.h * xb->d; - const ushort mask = il ? 0x00F0 : 0x000F; - - const uint32_t qh = *((device const uint32_t *)xb->qh); - - const int x_mv = il ? 4 : 0; - - const int gh_mv = il ? 12 : 0; - const int gh_bk = il ? 0 : 4; - - for (int i = 0; i < 8; i++) { - // extract the 5-th bits for x0 and x1 - const uint8_t xh_0 = ((qh >> (gh_mv + 2*i )) << gh_bk) & 0x10; - const uint8_t xh_1 = ((qh >> (gh_mv + 2*i+1)) << gh_bk) & 0x10; - - // combine the 4-bits from qs with the 5th bit - const int32_t x0 = ((((qs[i] ) & mask) >> x_mv) | xh_0); - const int32_t x1 = ((((qs[i] >> 8) & mask) >> x_mv) | xh_1); - - reg[i/2][2*(i%2)+0] = d * x0 + md; - reg[i/2][2*(i%2)+1] = d * x1 + md; - } -} - -template -void dequantize_q5_1(device const block_q5_1 *xb, short il, thread type4x4 & reg) { - device const uint16_t * qs = ((device const uint16_t *)xb + 4); - const float d = xb->d; - const float m = xb->m; - const ushort mask = il ? 0x00F0 : 0x000F; - - const uint32_t qh = *((device const uint32_t *)xb->qh); - - const int x_mv = il ? 4 : 0; - - const int gh_mv = il ? 12 : 0; - const int gh_bk = il ? 0 : 4; - - for (int i = 0; i < 8; i++) { - // extract the 5-th bits for x0 and x1 - const uint8_t xh_0 = ((qh >> (gh_mv + 2*i )) << gh_bk) & 0x10; - const uint8_t xh_1 = ((qh >> (gh_mv + 2*i+1)) << gh_bk) & 0x10; - - // combine the 4-bits from qs with the 5th bit - const int32_t x0 = ((((qs[i] ) & mask) >> x_mv) | xh_0); - const int32_t x1 = ((((qs[i] >> 8) & mask) >> x_mv) | xh_1); - - reg[i/2][2*(i%2)+0] = d * x0 + m; - reg[i/2][2*(i%2)+1] = d * x1 + m; - } -} - -template -void dequantize_q8_0(device const block_q8_0 *xb, short il, thread type4x4 & reg) { - device const int8_t * qs = ((device const int8_t *)xb->qs); - const half d = xb->d; - - for (int i = 0; i < 16; i++) { - reg[i/4][i%4] = (qs[i + 16*il] * d); - } -} - -template -void dequantize_q2_K(device const block_q2_K *xb, short il, thread type4x4 & reg) { - const float d = xb->d; - const float min = xb->dmin; - device const uint8_t * q = (device const uint8_t *)xb->qs; - float dl, ml; - uint8_t sc = xb->scales[il]; - - q = q + 32*(il/8) + 16*(il&1); - il = (il/2)%4; - - half coef = il>1 ? (il>2 ? 1/64.h : 1/16.h) : (il>0 ? 1/4.h : 1.h); - uchar mask = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); - dl = d * (sc & 0xF) * coef, ml = min * (sc >> 4); - for (int i = 0; i < 16; ++i) { - reg[i/4][i%4] = dl * (q[i] & mask) - ml; - } -} - -template -void dequantize_q3_K(device const block_q3_K *xb, short il, thread type4x4 & reg) { - const half d_all = xb->d; - device const uint8_t * q = (device const uint8_t *)xb->qs; - device const uint8_t * h = (device const uint8_t *)xb->hmask; - device const int8_t * scales = (device const int8_t *)xb->scales; - - q = q + 32 * (il/8) + 16 * (il&1); - h = h + 16 * (il&1); - uint8_t m = 1 << (il/2); - uint16_t kmask1 = (il/4)>1 ? ((il/4)>2 ? 192 : 48) : \ - ((il/4)>0 ? 12 : 3); - uint16_t kmask2 = il/8 ? 0xF0 : 0x0F; - uint16_t scale_2 = scales[il%8], scale_1 = scales[8 + il%4]; - int16_t dl_int = (il/4)&1 ? (scale_2&kmask2) | ((scale_1&kmask1) << 2) - : (scale_2&kmask2) | ((scale_1&kmask1) << 4); - float dl = il<8 ? d_all * (dl_int - 32.f) : d_all * (dl_int / 16.f - 32.f); - const float ml = 4.f * dl; - - il = (il/2) & 3; - const half coef = il>1 ? (il>2 ? 1/64.h : 1/16.h) : (il>0 ? 1/4.h : 1.h); - const uint8_t mask = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); - dl *= coef; - - for (int i = 0; i < 16; ++i) { - reg[i/4][i%4] = dl * (q[i] & mask) - (h[i] & m ? 0 : ml); - } -} - -static inline uchar2 get_scale_min_k4_just2(int j, int k, device const uchar * q) { - return j < 4 ? uchar2{uchar(q[j+0+k] & 63), uchar(q[j+4+k] & 63)} - : uchar2{uchar((q[j+4+k] & 0xF) | ((q[j-4+k] & 0xc0) >> 2)), uchar((q[j+4+k] >> 4) | ((q[j-0+k] & 0xc0) >> 2))}; -} - -template -void dequantize_q4_K(device const block_q4_K *xb, short il, thread type4x4 & reg) { - device const uchar * q = xb->qs; - - short is = (il/4) * 2; - q = q + (il/4) * 32 + 16 * (il&1); - il = il & 3; - const uchar2 sc = get_scale_min_k4_just2(is, il/2, xb->scales); - const float d = il < 2 ? xb->d : xb->d / 16.h; - const float min = xb->dmin; - const float dl = d * sc[0]; - const float ml = min * sc[1]; - - const ushort mask = il<2 ? 0x0F : 0xF0; - for (int i = 0; i < 16; ++i) { - reg[i/4][i%4] = dl * (q[i] & mask) - ml; - } -} - -template -void dequantize_q5_K(device const block_q5_K *xb, short il, thread type4x4 & reg) { - device const uint8_t * q = xb->qs; - device const uint8_t * qh = xb->qh; - - short is = (il/4) * 2; - q = q + 32 * (il/4) + 16 * (il&1); - qh = qh + 16 * (il&1); - uint8_t ul = 1 << (il/2); - il = il & 3; - const uchar2 sc = get_scale_min_k4_just2(is, il/2, xb->scales); - const float d = il < 2 ? xb->d : xb->d / 16.f; - const float min = xb->dmin; - const float dl = d * sc[0]; - const float ml = min * sc[1]; - - const ushort mask = il<2 ? 0x0F : 0xF0; - const float qh_val = il<2 ? 16.f : 256.f; - for (int i = 0; i < 16; ++i) { - reg[i/4][i%4] = dl * ((q[i] & mask) + (qh[i] & ul ? qh_val : 0)) - ml; - } -} - -template -void dequantize_q6_K(device const block_q6_K *xb, short il, thread type4x4 & reg) { - const half d_all = xb->d; - device const uint8_t * ql = (device const uint8_t *)xb->ql; - device const uint8_t * qh = (device const uint8_t *)xb->qh; - device const int8_t * scales = (device const int8_t *)xb->scales; - - ql = ql + 64*(il/8) + 32*((il/2)&1) + 16*(il&1); - qh = qh + 32*(il/8) + 16*(il&1); - float sc = scales[(il%2) + 2 * ((il/2))]; - il = (il/2) & 3; - - const uint16_t kmask1 = il>1 ? (il>2 ? 192 : 48) : (il>0 ? 12 : 3); - const uint16_t kmask2 = il>1 ? 0xF0 : 0x0F; - const float coef = il>1 ? 1.f/16.f : 1.f; - const float ml = d_all * sc * 32.f; - const float dl = d_all * sc * coef; - for (int i = 0; i < 16; ++i) { - const half q = il&1 ? ((ql[i] & kmask2) | ((qh[i] & kmask1) << 2)) - : ((ql[i] & kmask2) | ((qh[i] & kmask1) << 4)); - reg[i/4][i%4] = dl * q - ml; - } -} - -template -void dequantize_iq2_xxs(device const block_iq2_xxs * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const float d = xb->d; - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - // each block of 32 needs 2 uint32_t's for the quants & scale, so 4 uint16_t's. - device const uint16_t * q2 = xb->qs + 4*ib32; - const uint32_t aux32_g = q2[0] | (q2[1] << 16); - const uint32_t aux32_s = q2[2] | (q2[3] << 16); - thread const uint8_t * aux8 = (thread const uint8_t *)&aux32_g; - const float dl = d * (0.5f + (aux32_s >> 28)) * 0.25f; - constant uint8_t * grid = (constant uint8_t *)(iq2xxs_grid + aux8[2*il+0]); - uint8_t signs = ksigns_iq2xs[(aux32_s >> 14*il) & 127]; - for (int i = 0; i < 8; ++i) { - reg[i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); - } - grid = (constant uint8_t *)(iq2xxs_grid + aux8[2*il+1]); - signs = ksigns_iq2xs[(aux32_s >> (14*il+7)) & 127]; - for (int i = 0; i < 8; ++i) { - reg[2+i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); - } -} - -template -void dequantize_iq2_xs(device const block_iq2_xs * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const float d = xb->d; - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - device const uint16_t * q2 = xb->qs + 4*ib32; - const float dl = d * (0.5f + ((xb->scales[ib32] >> 4*il) & 0xf)) * 0.25f; - constant uint8_t * grid = (constant uint8_t *)(iq2xs_grid + (q2[2*il+0] & 511)); - uint8_t signs = ksigns_iq2xs[q2[2*il+0] >> 9]; - for (int i = 0; i < 8; ++i) { - reg[i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); - } - grid = (constant uint8_t *)(iq2xs_grid + (q2[2*il+1] & 511)); - signs = ksigns_iq2xs[q2[2*il+1] >> 9]; - for (int i = 0; i < 8; ++i) { - reg[2+i/4][i%4] = dl * grid[i] * (signs & kmask_iq2xs[i] ? -1.f : 1.f); - } -} - -template -void dequantize_iq3_xxs(device const block_iq3_xxs * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const float d = xb->d; - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - device const uint8_t * q3 = xb->qs + 8*ib32; - device const uint16_t * gas = (device const uint16_t *)(xb->qs + QK_K/4) + 2*ib32; - const uint32_t aux32 = gas[0] | (gas[1] << 16); - const float dl = d * (0.5f + (aux32 >> 28)) * 0.5f; - constant uint8_t * grid1 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+0]); - constant uint8_t * grid2 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+1]); - uint8_t signs = ksigns_iq2xs[(aux32 >> 14*il) & 127]; - for (int i = 0; i < 4; ++i) { - reg[0][i] = dl * grid1[i] * (signs & kmask_iq2xs[i+0] ? -1.f : 1.f); - reg[1][i] = dl * grid2[i] * (signs & kmask_iq2xs[i+4] ? -1.f : 1.f); - } - grid1 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+2]); - grid2 = (constant uint8_t *)(iq3xxs_grid + q3[4*il+3]); - signs = ksigns_iq2xs[(aux32 >> (14*il+7)) & 127]; - for (int i = 0; i < 4; ++i) { - reg[2][i] = dl * grid1[i] * (signs & kmask_iq2xs[i+0] ? -1.f : 1.f); - reg[3][i] = dl * grid2[i] * (signs & kmask_iq2xs[i+4] ? -1.f : 1.f); - } -} - -template -void dequantize_iq3_s(device const block_iq3_s * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const float d = xb->d; - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - device const uint8_t * qs = xb->qs + 8*ib32; - device const uint8_t * signs = xb->signs + 4*ib32 + 2*il; - const uint8_t qh = xb->qh[ib32] >> 4*il; - const float dl = d * (1 + 2*((xb->scales[ib32/2] >> 4*(ib32%2)) & 0xf)); - constant uint8_t * grid1 = (constant uint8_t *)(iq3s_grid + (qs[4*il+0] | ((qh << 8) & 256))); - constant uint8_t * grid2 = (constant uint8_t *)(iq3s_grid + (qs[4*il+1] | ((qh << 7) & 256))); - for (int i = 0; i < 4; ++i) { - reg[0][i] = dl * grid1[i] * select(1, -1, signs[0] & kmask_iq2xs[i+0]); - reg[1][i] = dl * grid2[i] * select(1, -1, signs[0] & kmask_iq2xs[i+4]); - } - grid1 = (constant uint8_t *)(iq3s_grid + (qs[4*il+2] | ((qh << 6) & 256))); - grid2 = (constant uint8_t *)(iq3s_grid + (qs[4*il+3] | ((qh << 5) & 256))); - for (int i = 0; i < 4; ++i) { - reg[2][i] = dl * grid1[i] * select(1, -1, signs[1] & kmask_iq2xs[i+0]); - reg[3][i] = dl * grid2[i] * select(1, -1, signs[1] & kmask_iq2xs[i+4]); - } -} - -template -void dequantize_iq2_s(device const block_iq2_s * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const float d = xb->d; - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; - device const uint8_t * signs = qs + QK_K/8; - const uint8_t qh = xb->qh[ib32] >> 4*il; - const float dl = d * (0.5f + ((xb->scales[ib32] >> 4*il) & 0xf)) * 0.25f; - constant uint8_t * grid1 = (constant uint8_t *)(iq2s_grid + (qs[0] | ((qh << 8) & 0x300))); - constant uint8_t * grid2 = (constant uint8_t *)(iq2s_grid + (qs[1] | ((qh << 6) & 0x300))); - for (int i = 0; i < 8; ++i) { - reg[i/4+0][i%4] = dl * grid1[i] * select(1, -1, signs[0] & kmask_iq2xs[i]); - reg[i/4+2][i%4] = dl * grid2[i] * select(1, -1, signs[1] & kmask_iq2xs[i]); - } -} - -template -void dequantize_iq1_s(device const block_iq1_s * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const int ib32 = il/2; - il = il%2; - const float d = xb->d; - device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; - device const uint16_t * qh = xb->qh; - const float dl = d * (2*((qh[ib32] >> 12) & 7) + 1); - const float ml = dl * (qh[ib32] & 0x8000 ? -1 - IQ1S_DELTA : -1 + IQ1S_DELTA); - const uint16_t h = qh[ib32] >> 6*il; - constant uint8_t * grid1 = (constant uint8_t *)(iq1s_grid_gpu + (qs[0] | ((h << 8) & 0x700))); - constant uint8_t * grid2 = (constant uint8_t *)(iq1s_grid_gpu + (qs[1] | ((h << 5) & 0x700))); - for (int i = 0; i < 4; ++i) { - reg[0][i] = dl * (grid1[i] & 0xf) + ml; - reg[1][i] = dl * (grid1[i] >> 4) + ml; - reg[2][i] = dl * (grid2[i] & 0xf) + ml; - reg[3][i] = dl * (grid2[i] >> 4) + ml; - } -} - -template -void dequantize_iq1_m(device const block_iq1_m * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const int ib32 = il/2; - il = il%2; - device const uint16_t * sc = (device const uint16_t *)xb->scales; - - iq1m_scale_t scale; - scale.u16 = (sc[0] >> 12) | ((sc[1] >> 8) & 0x00f0) | ((sc[2] >> 4) & 0x0f00) | (sc[3] & 0xf000); - const float d = scale.f16; - - device const uint8_t * qs = xb->qs + 4*ib32 + 2*il; - device const uint8_t * qh = xb->qh + 2*ib32 + il; - - const float dl = d * (2*((sc[ib32/2] >> (6*(ib32%2)+3*il)) & 7) + 1); - const float ml1 = dl * (qh[0] & 0x08 ? -1 - IQ1M_DELTA : -1 + IQ1M_DELTA); - const float ml2 = dl * (qh[0] & 0x80 ? -1 - IQ1M_DELTA : -1 + IQ1M_DELTA); - constant uint8_t * grid1 = (constant uint8_t *)(iq1s_grid_gpu + (qs[0] | ((qh[0] << 8) & 0x700))); - constant uint8_t * grid2 = (constant uint8_t *)(iq1s_grid_gpu + (qs[1] | ((qh[0] << 4) & 0x700))); - for (int i = 0; i < 4; ++i) { - reg[0][i] = dl * (grid1[i] & 0xf) + ml1; - reg[1][i] = dl * (grid1[i] >> 4) + ml1; - reg[2][i] = dl * (grid2[i] & 0xf) + ml2; - reg[3][i] = dl * (grid2[i] >> 4) + ml2; - } -} - -template -void dequantize_iq4_nl(device const block_iq4_nl * xb, short il, thread type4x4 & reg) { - device const uint16_t * q4 = (device const uint16_t *)xb->qs; - const float d = xb->d; - uint32_t aux32; - thread const uint8_t * q8 = (thread const uint8_t *)&aux32; - for (int i = 0; i < 4; ++i) { - aux32 = ((q4[2*i] | (q4[2*i+1] << 16)) >> 4*il) & 0x0f0f0f0f; - reg[i][0] = d * kvalues_iq4nl_f[q8[0]]; - reg[i][1] = d * kvalues_iq4nl_f[q8[1]]; - reg[i][2] = d * kvalues_iq4nl_f[q8[2]]; - reg[i][3] = d * kvalues_iq4nl_f[q8[3]]; - } -} - -template -void dequantize_iq4_xs(device const block_iq4_xs * xb, short il, thread type4x4 & reg) { - // il is 0...15 for QK_K = 256 => index of block of 32 is il/2 - const int ib32 = il/2; - il = il%2; - // il = 0 or 1. il = 0 processes the first 16 quants in a block of 32, il = 1 the second 16 - device const uint32_t * q4 = (device const uint32_t *)xb->qs + 4*ib32; - const int ls = ((xb->scales_l[ib32/2] >> 4*(ib32%2)) & 0xf) | (((xb->scales_h >> 2*ib32) & 3) << 4); - const float d = (float)xb->d * (ls - 32); - uint32_t aux32; - thread const uint8_t * q8 = (thread const uint8_t *)&aux32; - for (int i = 0; i < 4; ++i) { - aux32 = (q4[i] >> 4*il) & 0x0f0f0f0f; - reg[i][0] = d * kvalues_iq4nl_f[q8[0]]; - reg[i][1] = d * kvalues_iq4nl_f[q8[1]]; - reg[i][2] = d * kvalues_iq4nl_f[q8[2]]; - reg[i][3] = d * kvalues_iq4nl_f[q8[3]]; - } -} - template kernel void kernel_get_rows_q( device const void * src0,