drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Amadeus: Add ARM SIMD fast path (#2069)

Browse source 
Add fast paths in the audio renderer for AArch64 in all current fast paths.
This commit is contained in:
Mary 2021-03-02 23:50:46 +01:00 • committed by GitHub
parent 3d04d7ef08
commit 31fca432a7
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 97 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Ryujinx.Audio/Renderer/Dsp/Command/VolumeCommand.cs
View file

@ -19,6 +19,7 @@ using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.Arm;
using System.Runtime.Intrinsics.X86;
namespace Ryujinx.Audio.Renderer.Dsp.Command
@ -89,6 +90,26 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
}
}
private void ProcessVolumeAdvSimd(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
{
Vector128<float> volumeVec = Vector128.Create(Volume);
ReadOnlySpan<Vector128<float>> inputVec = MemoryMarshal.Cast<float, Vector128<float>>(inputBuffer);
Span<Vector128<float>> outputVec = MemoryMarshal.Cast<float, Vector128<float>>(outputBuffer);
int sisdStart = inputVec.Length * 4;
for (int i = 0; i < inputVec.Length; i++)
{
outputVec[i] = AdvSimd.Ceiling(AdvSimd.Multiply(inputVec[i], volumeVec));
}
for (int i = sisdStart; i < inputBuffer.Length; i++)
{
outputBuffer[i] = FloatingPointHelper.MultiplyRoundUp(inputBuffer[i], Volume);
}
}
private void ProcessVolume(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
{
if (Avx.IsSupported)
@ -99,6 +120,10 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
{
ProcessVolumeSse41(outputBuffer, inputBuffer);
}
else if (AdvSimd.IsSupported)
{
ProcessVolumeAdvSimd(outputBuffer, inputBuffer);
}
else
{
ProcessVolumeSlowPath(outputBuffer, inputBuffer);