diff options
| -rw-r--r-- | ggml-opencl.cpp | 527 |
1 files changed, 352 insertions, 175 deletions
diff --git a/ggml-opencl.cpp b/ggml-opencl.cpp index 95f4cec..fed4ffb 100644 --- a/ggml-opencl.cpp +++ b/ggml-opencl.cpp @@ -21,11 +21,19 @@ #define CL_DMMV_BLOCK_SIZE 32 +#ifndef K_QUANTS_PER_ITERATION +#define K_QUANTS_PER_ITERATION 1 +#else +static_assert(K_QUANTS_PER_ITERATION == 1 || K_QUANTS_PER_ITERATION == 2, "K_QUANTS_PER_ITERATION must be 1 or 2"); +#endif + #define MULTILINE_QUOTE(...) #__VA_ARGS__ static std::string program_source = MULTILINE_QUOTE( typedef char int8_t; typedef uchar uint8_t; +typedef short int16_t; +typedef ushort uint16_t; typedef int int32_t; typedef uint uint32_t; @@ -175,7 +183,9 @@ void convert_f16(__global half* x, const int ib, const int iqs, float* v0, float *v0 = vload_half(0, &x[ib + 0]); *v1 = vload_half(0, &x[ib + 1]); } +); +static std::string k_quants_source = MULTILINE_QUOTE( inline void get_scale_min_k4(int j, const __global uint8_t *q, uint8_t *d, uint8_t *m) { if (j < 4) @@ -199,7 +209,7 @@ __kernel void dequantize_block_q2_K(__global const struct block_q2_K *x, __globa const int is = 8 * n + l / 16; const uint8_t q = x[i].qs[32 * n + l]; - __global float *y = yy + i * 256 + 128 * n; + __global float *y = yy + i * QK_K + 128 * n; const float dall = vload_half(0, &x[i].d); const float dmin = vload_half(0, &x[i].dmin); @@ -231,7 +241,7 @@ __kernel void dequantize_block_q3_K(__global const struct block_q3_K *x, __globa float d_all = vload_half(0, &x[i].d); float dl = d_all * (us - 32); - __global float *y = yy + i * 256 + 128 * n + 32 * j; + __global float *y = yy + i * QK_K + 128 * n + 32 * j; const __global uint8_t *q = x[i].qs + 32 * n; const __global uint8_t *hm = x[i].hmask; @@ -248,7 +258,7 @@ __kernel void dequantize_block_q4_K(__global const struct block_q4_K *x, __globa const int is = 2 * il; const int n = 4; - __global float *y = yy + i * 256 + 64 * il + n * ir; + __global float *y = yy + i * QK_K + 64 * il + n * ir; const float dall = vload_half(0, &x[i].d); const float dmin = vload_half(0, &x[i].dmin); @@ -277,7 +287,7 @@ __kernel void dequantize_block_q5_K(__global const struct block_q5_K *x, __globa const int ir = tid % 16; const int is = 2 * il; - __global float *y = yy + i * 256 + 64 * il + 2 * ir; + __global float *y = yy + i * QK_K + 64 * il + 2 * ir; const float dall = vload_half(0, &x[i].d); const float dmin = vload_half(0, &x[i].dmin); @@ -309,7 +319,7 @@ __kernel void dequantize_block_q6_K(__global const struct block_q6_K *x, __globa const int il = tid - 32 * ip; const int is = 8 * ip + il / 16; - __global float *y = yy + i * 256 + 128 * ip + il; + __global float *y = yy + i * QK_K + 128 * ip + il; const float d = vload_half(0, &x[i].d); @@ -323,161 +333,383 @@ __kernel void dequantize_block_q6_K(__global const struct block_q6_K *x, __globa y[96] = d * sc[6] * ((int8_t)((ql[32] >> 4) | (((qh >> 6) & 3) << 4)) - 32); } +__kernel void dequantize_mul_mat_vec_q2_K(__global const struct block_q2_K * xx, __local float* tmp, __global float* yy, __global float* dst, const int ncols) { -void vec_dot_q2_K(__global const struct block_q2_K* x, const int ib, const int iqs, const __global float *yy, float *result) { + const int row = get_group_id(0); - int n = iqs / 128; - int r = iqs - 128 * n; - int l = r / 8; + const int num_blocks_per_row = ncols / QK_K; + const int ib0 = row*num_blocks_per_row; - __global const float *y = yy + 128 * n + l; - __global const uint8_t *q = x[ib].qs + 32 * n + l; - __global const uint8_t *s = x[ib].scales + 8 * n; + __global const struct block_q2_K * x = xx + ib0; - const float dall = vload_half(0, &x[ib].d); - const float dmin = vload_half(0, &x[ib].dmin); + const int tid = get_local_id(0)/K_QUANTS_PER_ITERATION; // 0...31 or 0...15 + const int ix = get_local_id(0)%K_QUANTS_PER_ITERATION; // 0 or 0,1 - float sum = y[ 0] * (dall * ((s[0] & 0xF) * ((q[ 0] >> 0) & 3)) - dmin * (s[0] >> 4)) - + y[ 32] * (dall * ((s[2] & 0xF) * ((q[ 0] >> 2) & 3)) - dmin * (s[2] >> 4)) - + y[ 64] * (dall * ((s[4] & 0xF) * ((q[ 0] >> 4) & 3)) - dmin * (s[4] >> 4)) - + y[ 96] * (dall * ((s[6] & 0xF) * ((q[ 0] >> 6) & 3)) - dmin * (s[6] >> 4)) - + y[ 16] * (dall * ((s[1] & 0xF) * ((q[16] >> 0) & 3)) - dmin * (s[1] >> 4)) - + y[ 48] * (dall * ((s[3] & 0xF) * ((q[16] >> 2) & 3)) - dmin * (s[3] >> 4)) - + y[ 80] * (dall * ((s[5] & 0xF) * ((q[16] >> 4) & 3)) - dmin * (s[5] >> 4)) - + y[112] * (dall * ((s[7] & 0xF) * ((q[16] >> 6) & 3)) - dmin * (s[7] >> 4)); + const int step = 16/K_QUANTS_PER_ITERATION; - *result = sum; -} + const int im = tid/step; // 0 or 1. 0 computes 0..., 1 computes 128... + const int in = tid - step*im; // 0...15 or 0...7 -void vec_dot_q3_K(__global const struct block_q3_K* x, const int ib, const int iqs, const __global float *yy, float *result) { + const int l0 = K_QUANTS_PER_ITERATION*in; // 0...15 or 0...14 in steps of 2 + const int q_offset = 32*im + l0; + const int s_offset = 8*im; + const int y_offset = 128*im + l0; - const uint32_t kmask1 = 0x03030303; - const uint32_t kmask2 = 0x0f0f0f0f; + tmp[16 * ix + tid] = 0; - uint32_t aux[3]; - uint32_t utmp[4]; + uint32_t aux[4]; + const uint8_t * d = (const uint8_t *)aux; + const uint8_t * m = (const uint8_t *)(aux + 2); - int n = iqs/128; - int r = iqs - 128*n; - int l = r/8; + for (int i = ix; i < num_blocks_per_row; i += K_QUANTS_PER_ITERATION) { - __global const float * y = yy + 128*n + l; - __global const uint8_t * q = x[ib].qs + 32*n + l; - __global const uint8_t * hm = x[ib].hmask + l; - const int8_t * s = (const int8_t *)utmp + 8*n; + __global const float * y = yy + i * QK_K + y_offset; + __global const uint8_t * q = x[i].qs + q_offset; - aux[0] = x[ib].scales[0] | x[ib].scales[1] << 8 | x[ib].scales[2] << 16 | x[ib].scales[3] << 24; - aux[1] = x[ib].scales[4] | x[ib].scales[5] << 8 | x[ib].scales[6] << 16 | x[ib].scales[7] << 24; - aux[2] = x[ib].scales[8] | x[ib].scales[9] << 8 | x[ib].scales[10] << 16 | x[ib].scales[11] << 24; + const float dall = vload_half(0, &x[i].d); + const float dmin = vload_half(0, &x[i].dmin); - utmp[3] = ((aux[1] >> 4) & kmask2) | (((aux[2] >> 6) & kmask1) << 4); - utmp[2] = ((aux[0] >> 4) & kmask2) | (((aux[2] >> 4) & kmask1) << 4); - utmp[1] = (aux[1] & kmask2) | (((aux[2] >> 2) & kmask1) << 4); - utmp[0] = (aux[0] & kmask2) | (((aux[2] >> 0) & kmask1) << 4); + __global const uint32_t * a = (__global const uint32_t *)(x[i].scales + s_offset); + aux[0] = a[0] & 0x0f0f0f0f; + aux[1] = a[1] & 0x0f0f0f0f; + aux[2] = (a[0] >> 4) & 0x0f0f0f0f; + aux[3] = (a[1] >> 4) & 0x0f0f0f0f; - const float dall = vload_half(0, &x[ib].d); - const uint8_t m = 1 << (4*n); + float sum1 = 0, sum2 = 0; + for (int l = 0; l < K_QUANTS_PER_ITERATION; ++l) { + sum1 += y[l+ 0] * d[0] * ((q[l+ 0] >> 0) & 3) + + y[l+32] * d[2] * ((q[l+ 0] >> 2) & 3) + + y[l+64] * d[4] * ((q[l+ 0] >> 4) & 3) + + y[l+96] * d[6] * ((q[l+ 0] >> 6) & 3) + + y[l+16] * d[1] * ((q[l+16] >> 0) & 3) + + y[l+48] * d[3] * ((q[l+16] >> 2) & 3) + + y[l+80] * d[5] * ((q[l+16] >> 4) & 3) + +y[l+112] * d[7] * ((q[l+16] >> 6) & 3); + sum2 += y[l+ 0] * m[0] + y[l+32] * m[2] + y[l+64] * m[4] + y[ l+96] * m[6] + + y[l+16] * m[1] + y[l+48] * m[3] + y[l+80] * m[5] + y[l+112] * m[7]; - float sum = y[ 0] * (s[0] - 32) * (((q[ 0] >> 0) & 3) - (hm[ 0] & (m << 0) ? 0 : 4)) - + y[ 32] * (s[2] - 32) * (((q[ 0] >> 2) & 3) - (hm[ 0] & (m << 1) ? 0 : 4)) - + y[ 64] * (s[4] - 32) * (((q[ 0] >> 4) & 3) - (hm[ 0] & (m << 2) ? 0 : 4)) - + y[ 96] * (s[6] - 32) * (((q[ 0] >> 6) & 3) - (hm[ 0] & (m << 3) ? 0 : 4)) - + y[ 16] * (s[1] - 32) * (((q[16] >> 0) & 3) - (hm[16] & (m << 0) ? 0 : 4)) - + y[ 48] * (s[3] - 32) * (((q[16] >> 2) & 3) - (hm[16] & (m << 1) ? 0 : 4)) - + y[ 80] * (s[5] - 32) * (((q[16] >> 4) & 3) - (hm[16] & (m << 2) ? 0 : 4)) - + y[112] * (s[7] - 32) * (((q[16] >> 6) & 3) - (hm[16] & (m << 3) ? 0 : 4)); + } + tmp[16 * ix + tid] += dall * sum1 - dmin * sum2; - *result = sum * dall; + } + // sum up partial sums and write back result + barrier(CLK_LOCAL_MEM_FENCE); + for (int s=16; s>0; s>>=1) { + if (tid < s) { + tmp[tid] += tmp[tid + s]; + } + barrier(CLK_LOCAL_MEM_FENCE); + } + if (tid == 0) { + dst[row] = tmp[0]; + } } -void vec_dot_q4_K(__global const struct block_q4_K* x, const int ib, const int iqs, const __global float *yy, float *result) { +__kernel void dequantize_mul_mat_vec_q3_K(__global const struct block_q3_K * xx, __local float* tmp, __global float* yy, __global float* dst, const int ncols) { + const uint16_t kmask1 = 0x0303; + const uint16_t kmask2 = 0x0f0f; + + const int row = get_group_id(0); + + const int num_blocks_per_row = ncols / QK_K; + const int ib0 = row*num_blocks_per_row; - const int j = iqs / 64; // j is in 0...3 - const int ir = (iqs - 64*j)/2; // ir is in 0...28 in steps of 4 - const int is = 2*j; // is is in 0...6 in steps of 2 + __global const struct block_q3_K * x = xx + ib0; - __global const float * y = yy + 64*j + ir; - __global const uint8_t * q = x[ib].qs + 32*j + ir; + const int tid = get_local_id(0)/K_QUANTS_PER_ITERATION; // 0...31 or 0...16 + const int ix = get_local_id(0)%K_QUANTS_PER_ITERATION; // 0 or 0,1 - const float dall = vload_half(0, &x[ib].d); - const float dmin = vload_half(0, &x[ib].dmin); + const int n = K_QUANTS_PER_ITERATION; // iterations in the inner loop + const int step = 16/K_QUANTS_PER_ITERATION; + const int im = tid/step; // 0 or 1. 0 computes 0..., 1 computes 128... + const int in = tid - step*im; // 0....15 or 0...7 - uint8_t sc, m; - get_scale_min_k4(is + 0, x[ib].scales, &sc, &m); - const float d1 = dall * sc; - const float m1 = dmin * m; - get_scale_min_k4(is + 1, x[ib].scales, &sc, &m); - const float d2 = dall * sc; - const float m2 = dmin * m; + const uint8_t m = 1 << (4*im); + + const int l0 = n*in; // 0...15 or 0...14 in steps of 2 + const int q_offset = 32*im + l0; + const int y_offset = 128*im + l0; + + uint16_t utmp[4]; + const int8_t * s = (const int8_t *)utmp; + + const uint16_t s_shift = 4*im; + + tmp[16 * ix + tid] = 0; + + for (int i = ix; i < num_blocks_per_row; i += K_QUANTS_PER_ITERATION) { + + __global const float * y = yy + i * QK_K + y_offset; + __global const uint8_t * q = x[i].qs + q_offset; + __global const uint8_t * h = x[i].hmask + l0; + + __global const uint16_t * a = (__global const uint16_t *)x[i].scales; + utmp[0] = ((a[0] >> s_shift) & kmask2) | (((a[4] >> (s_shift + 0)) & kmask1) << 4); + utmp[1] = ((a[1] >> s_shift) & kmask2) | (((a[5] >> (s_shift + 0)) & kmask1) << 4); + utmp[2] = ((a[2] >> s_shift) & kmask2) | (((a[4] >> (s_shift + 2)) & kmask1) << 4); + utmp[3] = ((a[3] >> s_shift) & kmask2) | (((a[5] >> (s_shift + 2)) & kmask1) << 4); + + const float d = vload_half(0, &x[i].d); + + float sum = 0; + for (int l = 0; l < n; ++l) { + sum += y[l+ 0] * (s[0] - 32) * (((q[l] >> 0) & 3) - (h[l] & (m << 0) ? 0 : 4)) + + y[l+32] * (s[2] - 32) * (((q[l] >> 2) & 3) - (h[l] & (m << 1) ? 0 : 4)) + + y[l+64] * (s[4] - 32) * (((q[l] >> 4) & 3) - (h[l] & (m << 2) ? 0 : 4)) + + y[l+96] * (s[6] - 32) * (((q[l] >> 6) & 3) - (h[l] & (m << 3) ? 0 : 4)); + sum += y[l+16] * (s[1] - 32) * (((q[l+16] >> 0) & 3) - (h[l+16] & (m << 0) ? 0 : 4)) + + y[l+48] * (s[3] - 32) * (((q[l+16] >> 2) & 3) - (h[l+16] & (m << 1) ? 0 : 4)) + + y[l+80] * (s[5] - 32) * (((q[l+16] >> 4) & 3) - (h[l+16] & (m << 2) ? 0 : 4)) + + y[l+112] * (s[7] - 32) * (((q[l+16] >> 6) & 3) - (h[l+16] & (m << 3) ? 0 : 4)); + } + tmp[16 * ix + tid] += d * sum; - float sum = 0; - for (int k = 0; k < 4; ++k) { - sum += y[k + 0] * (d1 * (q[k] & 0xF) - m1); - sum += y[k + 32] * (d2 * (q[k] >> 4) - m2); } - *result = sum; + // sum up partial sums and write back result + barrier(CLK_LOCAL_MEM_FENCE); + for (int s=16; s>0; s>>=1) { + if (tid < s) { + tmp[tid] += tmp[tid + s]; + } + barrier(CLK_LOCAL_MEM_FENCE); + } + if (tid == 0) { + dst[row] = tmp[0]; + } } -void vec_dot_q5_K(__global const struct block_q5_K* x, const int ib, const int iqs, const __global float *yy, float *result) { +__kernel void dequantize_mul_mat_vec_q4_K(__global const struct block_q4_K * xx, __local float* tmp, __global float* yy, __global float* dst, const int ncols) { - const int j = iqs / 64; - const int ir = (iqs - 64*j)/2; - const int is = 2*j; + //to rename it later, just to test now + const uint16_t kmask1 = 0x3f3f; + const uint16_t kmask2 = 0x0f0f; + const uint16_t kmask3 = 0xc0c0; - __global const float * y = yy + 64*j + ir; - __global const uint8_t * ql = x[ib].qs + 32*j + ir; - __global const uint8_t * qh = x[ib].qh + ir; + const int row = get_group_id(0); + const int num_blocks_per_row = ncols / QK_K; + const int ib0 = row*num_blocks_per_row; - const float dall = vload_half(0, &x[ib].d); - const float dmin = vload_half(0, &x[ib].dmin); + const int tid = get_local_id(0)/K_QUANTS_PER_ITERATION; // 0...15 + const int ix = get_local_id(0)%K_QUANTS_PER_ITERATION; - uint8_t sc, m; - get_scale_min_k4(is + 0, x[ib].scales, &sc, &m); - const float d1 = dall * sc; - const float m1 = dmin * m; - get_scale_min_k4(is + 1, x[ib].scales, &sc, &m); - const float d2 = dall * sc; - const float m2 = dmin * m; + const int step = 8/K_QUANTS_PER_ITERATION; + + const int il = tid/step; // 0...3 + const int ir = tid - step*il;// 0...3 + const int n = 2*K_QUANTS_PER_ITERATION; + + const int im = il/2; // 0 or 1. 0 computes 0,32 + 128,160, 1 computes 64,96 + 192,224 + const int in = il%2; + + const int l0 = n*(2*ir + in); + const int q_offset = 32*im + l0; + const int y_offset = 64*im + l0; + + uint16_t aux[4]; + const uint8_t * sc = (const uint8_t *)aux; + + __global const struct block_q4_K * x = xx + ib0; + + tmp[16 * ix + tid] = 0; + + for (int i = ix; i < num_blocks_per_row; i += K_QUANTS_PER_ITERATION) { + + __global const uint8_t * q1 = x[i].qs + q_offset; + __global const uint8_t * q2 = q1 + 64; + __global const float * y1 = yy + i*QK_K + y_offset; + __global const float * y2 = y1 + 128; + + const float dall = vload_half(0, &x[i].d); + const float dmin = vload_half(0, &x[i].dmin); + + __global const uint16_t * a = (__global const uint16_t *)x[i].scales; + aux[0] = a[im+0] & kmask1; + aux[1] = a[im+2] & kmask1; + aux[2] = ((a[im+4] >> 0) & kmask2) | ((a[im+0] & kmask3) >> 2); + aux[3] = ((a[im+4] >> 4) & kmask2) | ((a[im+2] & kmask3) >> 2); + + float4 s = (float4)(0.f); + float smin = 0; + for (int l = 0; l < n; ++l) { + s.x += y1[l] * (q1[l] & 0xF); s.y += y1[l+32] * (q1[l] >> 4); + s.z += y2[l] * (q2[l] & 0xF); s.w += y2[l+32] * (q2[l] >> 4); + smin += y1[l] * sc[2] + y1[l+32] * sc[3] + y2[l] * sc[6] + y2[l+32] * sc[7]; + } + tmp[16 * ix + tid] += dall * (s.x * sc[0] + s.y * sc[1] + s.z * sc[4] + s.w * sc[5]) - dmin * smin; - uint8_t hm = 1 << is; - float sum = 0; - for (int k = 0; k < 4; ++k) { - sum += y[k + 0] * (d1 * ((ql[k] & 0xF) + (qh[k] & hm ? 16 : 0)) - m1); } - hm <<= 1; - for (int k = 0; k < 4; ++k) { - sum += y[k + 32] * (d2 * ((ql[k] >> 4) + (qh[k] & hm ? 16 : 0)) - m2); + + // sum up partial sums and write back result + barrier(CLK_LOCAL_MEM_FENCE); + for (int s=16; s>0; s>>=1) { + if (tid < s) { + tmp[tid] += tmp[tid + s]; + } + barrier(CLK_LOCAL_MEM_FENCE); + } + if (tid == 0) { + dst[row] = tmp[0]; + } +} + +__kernel void dequantize_mul_mat_vec_q5_K(__global const struct block_q5_K * xx, __local float* tmp, __global float* yy, __global float* dst, const int ncols) { + + const uint16_t kmask1 = 0x3f3f; + const uint16_t kmask2 = 0x0f0f; + const uint16_t kmask3 = 0xc0c0; + + const int row = get_group_id(0); + const int num_blocks_per_row = ncols / QK_K; + const int ib0 = row*num_blocks_per_row; + + const int tid = get_local_id(0)/2; // 0...15 + const int ix = get_local_id(0)%2; + + const int il = tid/4; // 0...3 + const int ir = tid - 4*il;// 0...3 + const int n = 2; + + const int im = il/2; // 0 or 1. 0 computes 0,32 + 128,160, 1 computes 64,96 + 192,224 + const int in = il%2; + + const int l0 = n*(2*ir + in); + const int q_offset = 32*im + l0; + const int y_offset = 64*im + l0; + + const uint8_t hm1 = 1 << (2*im); + const uint8_t hm2 = hm1 << 4; + + uint16_t aux[4]; + const uint8_t * sc = (const uint8_t *)aux; + + __global const struct block_q5_K * x = xx + ib0; + + tmp[16 * ix + tid] = 0; + + for (int i = ix; i < num_blocks_per_row; i += 2) { + + __global const uint8_t * ql1 = x[i].qs + q_offset; + __global const uint8_t * ql2 = ql1 + 64; + __global const uint8_t * qh = x[i].qh + l0; + __global const float * y1 = yy + i*QK_K + y_offset; + __global const float * y2 = y1 + 128; + + const float dall = vload_half(0, &x[i].d); + const float dmin = vload_half(0, &x[i].dmin); + + __global const uint16_t * a = (__global const uint16_t *)x[i].scales; + aux[0] = a[im+0] & kmask1; + aux[1] = a[im+2] & kmask1; + aux[2] = ((a[im+4] >> 0) & kmask2) | ((a[im+0] & kmask3) >> 2); + aux[3] = ((a[im+4] >> 4) & kmask2) | ((a[im+2] & kmask3) >> 2); + + float4 sum = (float4)(0.f); + float smin = 0; + for (int l = 0; l < n; ++l) { + sum.x += y1[l+ 0] * ((ql1[l+ 0] & 0xF) + (qh[l+ 0] & (hm1 << 0) ? 16 : 0)) + + y1[l+16] * ((ql1[l+16] & 0xF) + (qh[l+16] & (hm1 << 0) ? 16 : 0)); + sum.y += y1[l+32] * ((ql1[l+ 0] >> 4) + (qh[l+ 0] & (hm1 << 1) ? 16 : 0)) + + y1[l+48] * ((ql1[l+16] >> 4) + (qh[l+16] & (hm1 << 1) ? 16 : 0)); + sum.z += y2[l+ 0] * ((ql2[l+ 0] & 0xF) + (qh[l+ 0] & (hm2 << 0) ? 16 : 0)) + + y2[l+16] * ((ql2[l+16] & 0xF) + (qh[l+16] & (hm2 << 0) ? 16 : 0)); + sum.w += y2[l+32] * ((ql2[l+ 0] >> 4) + (qh[l+ 0] & (hm2 << 1) ? 16 : 0)) + + y2[l+48] * ((ql2[l+16] >> 4) + (qh[l+16] & (hm2 << 1) ? 16 : 0)); + smin += (y1[l] + y1[l+16]) * sc[2] + (y1[l+32] + y1[l+48]) * sc[3] + + (y2[l] + y2[l+16]) * sc[6] + (y2[l+32] + y2[l+48]) * sc[7]; + } + tmp[16 * ix + tid] += dall * (sum.x * sc[0] + sum.y * sc[1] + sum.z * sc[4] + sum.w * sc[5]) - dmin * smin; + } - *result = sum; + // sum up partial sums and write back result + barrier(CLK_LOCAL_MEM_FENCE); + for (int s=16; s>0; s>>=1) { + if (tid < s) { + tmp[tid] += tmp[tid + s]; + } + barrier(CLK_LOCAL_MEM_FENCE); + } + if (tid == 0) { + dst[row] = tmp[0]; + } } -void vec_dot_q6_K(__global const struct block_q6_K* x, const int ib, const int iqs, const __global float *yy, float *result) { +__kernel void dequantize_mul_mat_vec_q6_K(__global const struct block_q6_K * xx, __local float* tmp, __global const float * yy, __global float * dst, const int ncols) { + + const int row = get_group_id(0); + const int num_blocks_per_row = ncols / QK_K; + const int ib0 = row*num_blocks_per_row; - const int ip = iqs / 128; // 0 or 1 - const int il = (iqs - 128*ip)/8; // 0...15 - const int is = 8*ip; + __global const struct block_q6_K * x = xx + ib0; - __global const float * y = yy + 128*ip + il; + const int tid = get_local_id(0)/K_QUANTS_PER_ITERATION; // 0...31 or 0...16 + const int ix = get_local_id(0)%K_QUANTS_PER_ITERATION; // 0 or 0, 1 - const float d = vload_half(0, &x[ib].d); + const int step = 16/K_QUANTS_PER_ITERATION; // 16 or 8 - __global const uint8_t * ql = x[ib].ql + 64*ip + il; - __global const uint8_t * qh = x[ib].qh + 32*ip + il; - __global const int8_t * sc = x[ib].scales + is; + const int im = tid/step; // 0 or 1. 0 computes 0..., 1 computes 128... + const int in = tid - step*im; // 0...15 or 0...7 + +#if K_QUANTS_PER_ITERATION == 1 + const int l0 = K_QUANTS_PER_ITERATION*in; // 0...15 + const int is = 0; +#else + const int l0 = 4 * in; // 0, 4, 8, ..., 28 + const int is = in / 4; +#endif + const int ql_offset = 64*im + l0; + const int qh_offset = 32*im + l0; + const int s_offset = 8*im + is; + const int y_offset = 128*im + l0; + + tmp[16 * ix + tid] = 0; // partial sum for thread in warp + + for (int i = ix; i < num_blocks_per_row; i += K_QUANTS_PER_ITERATION) { + + __global const float * y = yy + i * QK_K + y_offset; + __global const uint8_t * ql = x[i].ql + ql_offset; + __global const uint8_t * qh = x[i].qh + qh_offset; + __global const int8_t * s = x[i].scales + s_offset; + + const float d = vload_half(0, &x[i].d); + +#if K_QUANTS_PER_ITERATION == 1 + float sum = y[ 0] * s[0] * d * ((int8_t)((ql[ 0] & 0xF) | ((qh[ 0] & 0x03) << 4)) - 32) + + y[16] * s[1] * d * ((int8_t)((ql[16] & 0xF) | ((qh[16] & 0x03) << 4)) - 32) + + y[32] * s[2] * d * ((int8_t)((ql[32] & 0xF) | ((qh[ 0] & 0x0c) << 2)) - 32) + + y[48] * s[3] * d * ((int8_t)((ql[48] & 0xF) | ((qh[16] & 0x0c) << 2)) - 32) + + y[64] * s[4] * d * ((int8_t)((ql[ 0] >> 4) | ((qh[ 0] & 0x30) >> 0)) - 32) + + y[80] * s[5] * d * ((int8_t)((ql[16] >> 4) | ((qh[16] & 0x30) >> 0)) - 32) + + y[96] * s[6] * d * ((int8_t)((ql[32] >> 4) | ((qh[ 0] & 0xc0) >> 2)) - 32) + +y[112] * s[7] * d * ((int8_t)((ql[48] >> 4) | ((qh[16] & 0xc0) >> 2)) - 32); + tmp[16 * ix + tid] += sum; +#else + float sum = 0; + for (int l = 0; l < 4; ++l) { + sum += y[l+ 0] * s[0] * d * ((int8_t)((ql[l+ 0] & 0xF) | (((qh[l] >> 0) & 3) << 4)) - 32) + + y[l+32] * s[2] * d * ((int8_t)((ql[l+32] & 0xF) | (((qh[l] >> 2) & 3) << 4)) - 32) + + y[l+64] * s[4] * d * ((int8_t)((ql[l+ 0] >> 4) | (((qh[l] >> 4) & 3) << 4)) - 32) + + y[l+96] * s[6] * d * ((int8_t)((ql[l+32] >> 4) | (((qh[l] >> 6) & 3) << 4)) - 32); + } + tmp[16 * ix + tid] += sum; +#endif - *result = y[ 0] * d * sc[0] * ((int8_t)((ql[ 0] & 0xF) | (((qh[ 0] >> 0) & 3) << 4)) - 32) - + y[ 32] * d * sc[2] * ((int8_t)((ql[32] & 0xF) | (((qh[ 0] >> 2) & 3) << 4)) - 32) - + y[ 64] * d * sc[4] * ((int8_t)((ql[ 0] >> 4) | (((qh[ 0] >> 4) & 3) << 4)) - 32) - + y[ 96] * d * sc[6] * ((int8_t)((ql[32] >> 4) | (((qh[ 0] >> 6) & 3) << 4)) - 32) - + y[ 16] * d * sc[1] * ((int8_t)((ql[16] & 0xF) | (((qh[16] >> 0) & 3) << 4)) - 32) - + y[ 48] * d * sc[3] * ((int8_t)((ql[48] & 0xF) | (((qh[16] >> 2) & 3) << 4)) - 32) - + y[ 80] * d * sc[5] * ((int8_t)((ql[16] >> 4) | (((qh[16] >> 4) & 3) << 4)) - 32) - + y[112] * d * sc[7] * ((int8_t)((ql[48] >> 4) | (((qh[16] >> 6) & 3) << 4)) - 32); + } + // sum up partial sums and write back result + barrier(CLK_LOCAL_MEM_FENCE); + for (int s=16; s>0; s>>=1) { + if (tid < s) { + tmp[tid] += tmp[tid + s]; + } + barrier(CLK_LOCAL_MEM_FENCE); + } + if (tid == 0) { + dst[row] = tmp[0]; + } } ); @@ -549,44 +781,6 @@ __kernel void KERNEL_NAME(__global X_TYPE* x, __local float* tmp, __global float } ); -std::string dequant_mul_mat_vec_k_template = MULTILINE_QUOTE( -__kernel void KERNEL_NAME(__global X_TYPE* x, __local float* tmp, __global float* y, __global float* dst, const int ncols) { - const int block_size = get_local_size(0); - const int row = get_group_id(0); - const int tid = get_local_id(0); - - const int iter_stride = 256; - const int vals_per_iter = iter_stride / block_size; - const int num_blocks_per_row = ncols / 256; - const int ib0 = row*num_blocks_per_row; - - tmp[tid] = 0; - - for (int i = 0; i < ncols; i += iter_stride) { - const int col = i + vals_per_iter*tid; - const int ib = ib0 + col/256; // x block index - const int iqs = col%256; // x quant index - const int iybs = col - col%256; // y block start index - - // dequantize - float v; - DOT_KERNEL(x, ib, iqs, y + iybs, &v); - tmp[tid] += v; - } - - // sum up partial sums and write back result - barrier(CLK_LOCAL_MEM_FENCE); - for (int s=block_size/2; s>0; s>>=1) { - if (tid < s) { - tmp[tid] += tmp[tid + s]; - } - barrier(CLK_LOCAL_MEM_FENCE); - } - if (tid == 0) { - dst[row] = tmp[0]; - } -} -); std::string mul_template = MULTILINE_QUOTE( __kernel void KERNEL_NAME(__global TYPE* x, const int x_offset, __global TYPE* y, const int y_offset, __global TYPE* dst, const int dst_offset, const int ky) { @@ -649,18 +843,6 @@ std::array<std::string, 2> mul_str_values = { "mul_f32", "float" }; -std::array<std::string, 3> dmmv_k_str_keys = { - "KERNEL_NAME", "X_TYPE", "DOT_KERNEL" -}; - -std::array<std::string, 15> dmmv_k_str_values = { - "dequantize_mul_mat_vec_q2_K", "struct block_q2_K", "vec_dot_q2_K", - "dequantize_mul_mat_vec_q3_K", "struct block_q3_K", "vec_dot_q3_K", - "dequantize_mul_mat_vec_q4_K", "struct block_q4_K", "vec_dot_q4_K", - "dequantize_mul_mat_vec_q5_K", "struct block_q5_K", "vec_dot_q5_K", - "dequantize_mul_mat_vec_q6_K", "struct block_q6_K", "vec_dot_q6_K", -}; - std::string& replace(std::string& s, const std::string& from, const std::string& to) { size_t pos = 0; while ((pos = s.find(from, pos)) != std::string::npos) { @@ -673,6 +855,7 @@ std::string& replace(std::string& s, const std::string& from, const std::string& std::string generate_kernels() { std::stringstream src; src << program_source << '\n'; + src << k_quants_source << '\n'; for (size_t i = 0; i < dequant_str_values.size(); i += dequant_str_keys.size()) { std::string dequant_kernel = dequant_template; std::string dmmv_kernel = dequant_mul_mat_vec_template; @@ -690,13 +873,6 @@ std::string generate_kernels() { } src << mul_kernel << '\n'; } - for (size_t i = 0; i < dmmv_k_str_values.size(); i += dmmv_k_str_keys.size()) { - std::string dmmv_k_kernel = dequant_mul_mat_vec_k_template; - for (size_t j = 0; j < dmmv_k_str_keys.size(); j++) { - replace(dmmv_k_kernel, dmmv_k_str_keys[j], dmmv_k_str_values[i + j]); - } - src << dmmv_k_kernel << '\n'; - } return src.str(); } @@ -729,10 +905,11 @@ static cl_program build_program_from_source(cl_context ctx, cl_device_id dev, co exit(1); } - const char* compile_opts = "-cl-mad-enable -cl-unsafe-math-optimizations -cl-finite-math-only -cl-fast-relaxed-math " - "-DQK4_0=32 -DQR4_0=2 -DQK4_1=32 -DQR4_1=2 -DQK5_0=32 -DQR5_0=2 -DQK5_1=32 -DQR5_1=2 -DQK8_0=32 -DQR8_0=1"; + std::string compile_opts = "-cl-mad-enable -cl-unsafe-math-optimizations -cl-finite-math-only -cl-fast-relaxed-math " + "-DQK4_0=32 -DQR4_0=2 -DQK4_1=32 -DQR4_1=2 -DQK5_0=32 -DQR5_0=2 -DQK5_1=32 -DQR5_1=2 -DQK8_0=32 -DQR8_0=1 " + "-DQK_K=256 -DK_QUANTS_PER_ITERATION=" + std::to_string(K_QUANTS_PER_ITERATION); - err = clBuildProgram(p, 0, NULL, compile_opts, NULL, NULL); + err = clBuildProgram(p, 0, NULL, compile_opts.c_str(), NULL, NULL); if(err < 0) { clGetProgramBuildInfo(p, dev, CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size); |