@@ -563,42 +563,17 @@ static __device__ __forceinline__ void ggml_cuda_mad(float & acc, const half2 v,
563563#endif // defined(GGML_USE_HIP) && (defined(RDNA2) || defined(RDNA3) || defined(RDNA4) || defined(GCN5) || defined(CDNA))
564564}
565565
566- static __device__ __forceinline__ void ggml_cuda_mad (half2 & acc, const half2 v, const half2 u) {
567- #ifdef FAST_FP16_AVAILABLE
568- acc += v*u;
569- #else
570- const float2 tmpv = __half22float2 (v);
571- const float2 tmpu = __half22float2 (u);
572- float2 tmpacc = __half22float2 (acc);
573- tmpacc.x += tmpv.x * tmpu.x ;
574- tmpacc.y += tmpv.y * tmpu.y ;
575- acc = make_half2 (tmpacc.x , tmpacc.y );
576- #endif // FAST_FP16_AVAILABLE
577- }
578-
579566// Aligned memory transfers of 8/16 bytes can be faster than 2 transfers with 4 bytes, especially on AMD.
580- template <int nbytes, int alignment = 0 >
567+ template <int nbytes>
581568static __device__ __forceinline__ void ggml_cuda_memcpy_1 (void * __restrict__ dst, const void * __restrict__ src) {
582- if constexpr (alignment != 0 ) {
583- static_assert (nbytes % alignment == 0 , " bad alignment" );
584- }
585- constexpr int nb_per_cpy = alignment == 0 ? nbytes : alignment;
586-
587- #pragma unroll
588- for (int i = 0 ; i < nbytes/nb_per_cpy; ++i) {
589- if constexpr (nb_per_cpy == 1 ) {
590- ((char *) dst)[i] = ((const char *) src)[i];
591- } else if constexpr (nb_per_cpy == 2 ) {
592- ((short *) dst)[i] = ((const short *) src)[i];
593- } else if constexpr (nb_per_cpy == 4 ) {
594- ((int *) dst)[i] = ((const int *) src)[i];
595- } else if constexpr (nb_per_cpy == 8 ) {
596- ((int2 *) dst)[i] = ((const int2 *) src)[i];
597- } else if constexpr (nb_per_cpy == 16 ) {
598- ((int4 *) dst)[i] = ((const int4 *) src)[i];
599- } else {
600- static_assert (nbytes == 0 && nbytes == -1 , " bad nbytes" );
601- }
569+ if constexpr (nbytes == 4 ) {
570+ *(int *) dst = *(const int *) src;
571+ } else if constexpr (nbytes == 8 ) {
572+ *(int2 *) dst = *(const int2 *) src;
573+ } else if constexpr (nbytes == 16 ) {
574+ *(int4 *) dst = *(const int4 *) src;
575+ } else {
576+ static_assert (nbytes == 0 && nbytes == -1 , " bad nbytes" );
602577 }
603578}
604579
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