diff --git a/ggml/include/ggml-cpu.h b/ggml/include/ggml-cpu.h index f5e11f1e..de77a875 100644 --- a/ggml/include/ggml-cpu.h +++ b/ggml/include/ggml-cpu.h @@ -133,6 +133,11 @@ extern "C" { GGML_BACKEND_API ggml_backend_reg_t ggml_backend_cpu_reg(void); + GGML_BACKEND_API void ggml_cpu_fp32_to_fp16(const float *, ggml_fp16_t *, int64_t); + GGML_BACKEND_API void ggml_cpu_fp16_to_fp32(const ggml_fp16_t *, float *, int64_t); + GGML_BACKEND_API void ggml_cpu_fp32_to_bf16(const float *, ggml_bf16_t *, int64_t); + GGML_BACKEND_API void ggml_cpu_bf16_to_fp32(const ggml_bf16_t *, float *, int64_t); + #ifdef __cplusplus } #endif diff --git a/ggml/src/ggml-cpu/ggml-cpu.c b/ggml/src/ggml-cpu/ggml-cpu.c index dbad8f61..64405449 100644 --- a/ggml/src/ggml-cpu/ggml-cpu.c +++ b/ggml/src/ggml-cpu/ggml-cpu.c @@ -215,7 +215,7 @@ static const struct ggml_type_traits_cpu type_traits_cpu[GGML_TYPE_COUNT] = { .nrows = 1, }, [GGML_TYPE_F16] = { - .from_float = (ggml_from_float_t) ggml_fp32_to_fp16_row, + .from_float = (ggml_from_float_t) ggml_cpu_fp32_to_fp16, .vec_dot = (ggml_vec_dot_t) ggml_vec_dot_f16, .vec_dot_type = GGML_TYPE_F16, .nrows = 1, @@ -356,7 +356,7 @@ static const struct ggml_type_traits_cpu type_traits_cpu[GGML_TYPE_COUNT] = { .from_float = quantize_row_q8_K, }, [GGML_TYPE_BF16] = { - .from_float = (ggml_from_float_t) ggml_fp32_to_bf16_row, + .from_float = (ggml_from_float_t) ggml_cpu_fp32_to_bf16, .vec_dot = (ggml_vec_dot_t) ggml_vec_dot_bf16, .vec_dot_type = GGML_TYPE_BF16, .nrows = 1, @@ -3166,6 +3166,93 @@ enum ggml_status ggml_graph_compute_with_ctx(struct ggml_context * ctx, struct g return ggml_graph_compute(cgraph, &cplan); } +void ggml_cpu_fp32_to_fp16(const float * x, ggml_fp16_t * y, int64_t n) { + int64_t i = 0; +#if defined(__F16C__) +#if defined(__AVX512F__) + for (; i + 15 < n; i += 16) { + __m512 x_vec = _mm512_loadu_ps(x + i); + __m256i y_vec = _mm512_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); + _mm256_storeu_si256((__m256i *)(y + i), y_vec); + } +#endif + for (; i + 7 < n; i += 8) { + __m256 x_vec = _mm256_loadu_ps(x + i); + __m128i y_vec = _mm256_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); + _mm_storeu_si128((__m128i *)(y + i), y_vec); + } + for (; i + 3 < n; i += 4) { + __m128 x_vec = _mm_loadu_ps(x + i); + __m128i y_vec = _mm_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); + _mm_storel_epi64((__m128i *)(y + i), y_vec); + } +#endif + for (; i < n; ++i) { + y[i] = GGML_FP32_TO_FP16(x[i]); + } +} + +void ggml_cpu_fp16_to_fp32(const ggml_fp16_t * x, float * y, int64_t n) { + int64_t i = 0; +#if defined(__F16C__) +#if defined(__AVX512F__) + for (; i + 15 < n; i += 16) { + __m256i x_vec = _mm256_loadu_si256((const __m256i *)(x + i)); + __m512 y_vec = _mm512_cvtph_ps(x_vec); + _mm512_storeu_ps(y + i, y_vec); + } +#endif + for (; i + 7 < n; i += 8) { + __m128i x_vec = _mm_loadu_si128((const __m128i *)(x + i)); + __m256 y_vec = _mm256_cvtph_ps(x_vec); + _mm256_storeu_ps(y + i, y_vec); + } + for (; i + 3 < n; i += 4) { + __m128i x_vec = _mm_loadl_epi64((const __m128i *)(x + i)); + __m128 y_vec = _mm_cvtph_ps(x_vec); + _mm_storeu_ps(y + i, y_vec); + } +#endif + for (; i < n; ++i) { + y[i] = GGML_FP16_TO_FP32(x[i]); + } +} + +void ggml_cpu_fp32_to_bf16(const float * x, ggml_bf16_t * y, int64_t n) { + int64_t i = 0; + for (; i < n; ++i) { + y[i] = GGML_FP32_TO_BF16(x[i]); + } +} + +void ggml_cpu_bf16_to_fp32(const ggml_bf16_t * x, float * y, int64_t n) { + int64_t i = 0; +#if defined(__AVX2__) +#if defined(__AVX512F__) + for (; i + 15 < n; i += 16) { + _mm512_storeu_ps(y + i, + _mm512_castsi512_ps( + _mm512_slli_epi32( + _mm512_cvtepu16_epi32( + _mm256_loadu_si256( + (const __m256i *)(x + i))), + 16))); + } +#endif + for (; i + 7 < n; i += 8) { + _mm256_storeu_ps(y + i, + _mm256_castsi256_ps( + _mm256_slli_epi32( + _mm256_cvtepu16_epi32( + _mm_loadu_si128( + (const __m128i *)(x + i))), + 16))); + } +#endif + for (; i < n; i++) { + y[i] = GGML_BF16_TO_FP32(x[i]); + } +} int ggml_cpu_has_avx(void) { #if defined(__AVX__) diff --git a/ggml/src/ggml-cpu/ops.cpp b/ggml/src/ggml-cpu/ops.cpp index 3c2adb21..7413192b 100644 --- a/ggml/src/ggml-cpu/ops.cpp +++ b/ggml/src/ggml-cpu/ops.cpp @@ -4222,7 +4222,7 @@ static void ggml_compute_forward_get_rows_f16( GGML_ASSERT(i01 >= 0 && i01 < ne01); - ggml_fp16_to_fp32_row( + ggml_cpu_fp16_to_fp32( (const ggml_fp16_t*) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03), (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), nc); } @@ -4263,7 +4263,7 @@ static void ggml_compute_forward_get_rows_bf16( GGML_ASSERT(i01 >= 0 && i01 < ne01); - ggml_bf16_to_fp32_row( + ggml_cpu_bf16_to_fp32( (const ggml_bf16_t *) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03), (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), nc); } diff --git a/ggml/src/ggml.c b/ggml/src/ggml.c index 2a39dc7b..7654ae17 100644 --- a/ggml/src/ggml.c +++ b/ggml/src/ggml.c @@ -4,6 +4,7 @@ #include "ggml-backend.h" #include "ggml-impl.h" #include "ggml-threading.h" +#include "ggml-cpu.h" #include "ggml.h" // FIXME: required here for quantization functions @@ -382,58 +383,16 @@ void ggml_fp16_to_fp32_row(const ggml_fp16_t * x, float * y, int64_t n) { } } -// FIXME: these functions must detect the instruction set at runtime, since they are part of the core ggml library -// currently, the ggml_cpu_has_* functions are entirely compile-time void ggml_fp32_to_fp16_row(const float * x, ggml_fp16_t * y, int64_t n) { - int64_t i = 0; -#if defined(__F16C__) - //if (ggml_cpu_has_f16c()) { - for (; i + 7 < n; i += 8) { - __m256 x_vec = _mm256_loadu_ps(x + i); - __m128i y_vec = _mm256_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); - _mm_storeu_si128((__m128i *)(y + i), y_vec); - } - for(; i + 3 < n; i += 4) { - __m128 x_vec = _mm_loadu_ps(x + i); - __m128i y_vec = _mm_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); - _mm_storel_epi64((__m128i *)(y + i), y_vec); - } - //} -#endif - for (; i < n; i++) { + int i = 0; + for (; i < n; ++i) { y[i] = GGML_FP32_TO_FP16(x[i]); } } void ggml_bf16_to_fp32_row(const ggml_bf16_t * x, float * y, int64_t n) { - int64_t i = 0; -#if defined(__AVX512F__) - //if (ggml_cpu_has_avx512()) { - for (; i + 16 <= n; i += 16) { - _mm512_storeu_ps(y + i, - _mm512_castsi512_ps( - _mm512_slli_epi32( - _mm512_cvtepu16_epi32( - _mm256_loadu_si256( - (const __m256i *)(x + i))), - 16))); - } - //} -#endif -#if defined(__AVX2__) - //if (ggml_cpu_has_avx2()) { - for (; i + 8 <= n; i += 8) { - _mm256_storeu_ps(y + i, - _mm256_castsi256_ps( - _mm256_slli_epi32( - _mm256_cvtepu16_epi32( - _mm_loadu_si128( - (const __m128i *)(x + i))), - 16))); - } - //} -#endif - for (; i < n; i++) { + int i = 0; + for (; i < n; ++i) { y[i] = GGML_BF16_TO_FP32(x[i]); } }