diff --git a/ggml/src/ggml-cuda/iqk_mmvq.cu b/ggml/src/ggml-cuda/iqk_mmvq.cu index 23f019ec..20bacd97 100644 --- a/ggml/src/ggml-cuda/iqk_mmvq.cu +++ b/ggml/src/ggml-cuda/iqk_mmvq.cu @@ -527,45 +527,6 @@ __device__ __forceinline__ void vec_dot_iq3_k_r4_q8_1( } } -__device__ __forceinline__ void vec_dot_iq2_k_r4_q8_1( - const void * __restrict__ vbq, const block_q8_1 * __restrict__ bq8_1, const int & kbx, const int & iqs, float * result) { - - const block_iq2_k_r4 * bq2 = (const block_iq2_k_r4 *)vbq + kbx; - - // iqs is 0...30 in steps of 2 - const int ib16 = iqs/2; - const float d8 = __low2float(bq8_1[ib16/2].ds); - const int32_t * q8 = (const int *)bq8_1[ib16/2].qs + 4*(ib16%2); - - int ib32 = ib16/2; - int is = ib16%2; - const int * scales_l = (const int *)bq2->scales; - - int scales = __vsub4(((scales_l[2*(ib32%4)+is] >> 4*(ib32/4)) & 0x0f0f0f0f), 0x08080808); - const int8_t * s8 = (const int8_t *)&scales; - int2 val1; - const int * q2 = (const int *)bq2->qs + 8*ib32 + 4*is; - int aux32[2]; - const uint8_t * aux8 = (const uint8_t *)aux32; - for (int i = 0; i < 4; ++i) { - auto values1 = iq2nl_values + (((bq2->extra[i+4*is] >> ib32) & 1) << 2); - int sumi1 = 0; - aux32[0] = ((q2[i] >> 0) & 0x03030303); - aux32[1] = ((q2[i] >> 2) & 0x03030303); - // TODO: int_from_table_4 - val1.x = int_from_table(aux8+0, (const uint8_t *)values1); - val1.y = int_from_table(aux8+4, (const uint8_t *)values1); - sumi1 = ggml_cuda_dp4a(val1.x, q8[0], ggml_cuda_dp4a(val1.y, q8[1], sumi1)); - aux32[0] = ((q2[i] >> 4) & 0x03030303); - aux32[1] = ((q2[i] >> 6) & 0x03030303); - val1.x = int_from_table(aux8+0, (const uint8_t *)values1); - val1.y = int_from_table(aux8+4, (const uint8_t *)values1); - sumi1 = ggml_cuda_dp4a(val1.x, q8[2], ggml_cuda_dp4a(val1.y, q8[3], sumi1)); - const float d = __half2float(bq2->d[i]) * d8; - result[i] += d * sumi1 * s8[i]; - } -} - #define VDR_IQ6_K_Q8_1_MMVQ 4 #define VDR_IQ6_K_Q8_1_MMQ 4 @@ -793,6 +754,47 @@ __device__ __forceinline__ void vec_dot_iq2_ks_q8_1( + __low2float(bq8_1[4*(i4/4)+3].ds) * sumi4); } +__device__ __forceinline__ void vec_dot_iq2_k_r4_q8_1( + const void * __restrict__ vbq, const block_q8_1 * __restrict__ bq8_1, const int & kbx, const int & iqs, float * result) { + + const block_iq2_k_r4 * bq2 = (const block_iq2_k_r4 *)vbq + kbx; + + // iqs is 0...30 in steps of 2 + const int ib16 = iqs/2; + const float d8 = __low2float(bq8_1[ib16/2].ds); + const int32_t * q8 = (const int *)bq8_1[ib16/2].qs + 4*(ib16%2); + + int ib32 = ib16/2; + int is = ib16%2; + const int * scales_l = (const int *)bq2->scales; + + const int * all_values = (const int *)iq2k_table; + + int scales = __vsub4(((scales_l[2*(ib32%4)+is] >> 4*(ib32/4)) & 0x0f0f0f0f), 0x08080808); + const int8_t * s8 = (const int8_t *)&scales; + int2 val1; + const int * q2 = (const int *)bq2->qs + 8*ib32 + 4*is; + int aux32[2]; + const uint8_t * aux8 = (const uint8_t *)aux32; +#pragma unroll + for (int i = 0; i < 4; ++i) { + auto values1 = all_values + (((bq2->extra[i+4*is] >> ib32) & 1) << 8); + int sumi1 = 0; + aux32[0] = ((q2[i] >> 0) & 0x03030303); + aux32[1] = ((q2[i] >> 2) & 0x03030303); + val1.x = int_from_table_4(aux8+0, values1); + val1.y = int_from_table_4(aux8+4, values1); + sumi1 = ggml_cuda_dp4a(val1.x, q8[0], ggml_cuda_dp4a(val1.y, q8[1], sumi1)); + aux32[0] = ((q2[i] >> 4) & 0x03030303); + aux32[1] = ((q2[i] >> 6) & 0x03030303); + val1.x = int_from_table_4(aux8+0, values1); + val1.y = int_from_table_4(aux8+4, values1); + sumi1 = ggml_cuda_dp4a(val1.x, q8[2], ggml_cuda_dp4a(val1.y, q8[3], sumi1)); + const float d = __half2float(bq2->d[i]) * d8; + result[i] += d * sumi1 * s8[i]; + } +} + #define VDR_IQ3_K_Q8_1_MMVQ 4 #define VDR_IQ3_K_Q8_1_MMQ 4