/// <summary> /// Add from a source to a destination with indices. /// </summary> /// <param name="source">The source values.</param> /// <param name="indices"></param> /// <param name="destination">The destination values.</param> /// <param name="count">The count of items.</param> public static void Add(ReadOnlySpan <float> source, ReadOnlySpan <int> indices, Span <float> destination, int count) { Contracts.AssertNonEmpty(source); Contracts.AssertNonEmpty(indices); Contracts.AssertNonEmpty(destination); Contracts.Assert(count > 0); Contracts.Assert(count <= source.Length); Contracts.Assert(count <= indices.Length); Contracts.Assert(count < destination.Length); if (Avx.IsSupported) { AvxIntrinsics.AddSU(source, indices, destination, count); } else if (Sse.IsSupported) { SseIntrinsics.AddSU(source, indices, destination, count); } else { for (int i = 0; i < count; i++) { int index = indices[i]; destination[index] += source[i]; } } }
public void ManagedAddSUPerf() { SseIntrinsics.AddSU(new Span <float>(src), new Span <int>(idx, 0, IDXLEN), new Span <float>(dst)); }
public void AddSU() => SseIntrinsics.AddSU(new Span <float>(src), new Span <int>(idx, 0, IDXLEN), new Span <float>(dst));
public void AddSU() => SseIntrinsics.AddSU(src, idx, dst, IndexLength);
public void AddSU() => SseIntrinsics.AddSU(new Span <float>(src), new Span <int>(idx, 0, IndexLength), new Span <float>(dst));