Files
unity-application/Packages/com.unity.barracuda/Runtime/Plugins/OSX/MacBLAS.cs
2023-03-18 19:53:17 +00:00

94 lines
3.2 KiB
C#

#if UNITY_2018_1_OR_NEWER && (UNITY_STANDALONE_OSX || UNITY_EDITOR_OSX)
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.Scripting;
using Unity.Collections;
using Unity.Collections.LowLevel.Unsafe;
using Unity.Jobs;
[assembly: AlwaysLinkAssembly]
namespace Unity.Barracuda
{
[Preserve]
public class MacBLAS : BLASPlugin
{
[DllImport("/System/Library/Frameworks/Accelerate.framework/Accelerate")]
static extern unsafe void cblas_sgemm(CBLAS_ORDER __Order, CBLAS_TRANSPOSE __TransA, CBLAS_TRANSPOSE __TransB,
int __M, int __N, int __K, float __alpha, float *__A, int __lda, float *__B, int __ldb,
float __beta, float *__C, int __ldc);
public bool IsNative()
{
return true;
}
public bool IsCurrentPlatformSupported()
{
return Application.platform == RuntimePlatform.OSXEditor ||
Application.platform == RuntimePlatform.OSXPlayer;
}
public unsafe void SGEMM(float* Ap, int AM, int AN, float* Bp, int BM, int BN, float* Cp, int CM, int CN,
int bs,
bool transposeA = false, bool transposeB = false)
{
cblas_sgemm(CBLAS_ORDER.CblasRowMajor, transposeA ? CBLAS_TRANSPOSE.CblasTrans : CBLAS_TRANSPOSE.CblasNoTrans,
transposeB ? CBLAS_TRANSPOSE.CblasTrans : CBLAS_TRANSPOSE.CblasNoTrans,
AM, BN, BM, 1.0f, Ap, AN, Bp, BN, 1.0f, Cp, CN);
}
public unsafe JobHandle ScheduleSGEMM(JobHandle dependsOn,
float* Ap, int AM, int AN, float* Bp, int BM, int BN, float* Cp, int CM, int CN,
int bs,
bool transposeA = false, bool transposeB = false)
{
var job = new SGEMMJob();
job.Ap = Ap; job.AM = AM; job.AN = AN;
job.Bp = Bp; job.BM = BM; job.BN = BN;
job.Cp = Cp; job.CM = CM; job.CN = CN;
job.transposeA = transposeA;
job.transposeB = transposeB;
job.bs = bs;
return job.Schedule(dependsOn);
}
unsafe struct SGEMMJob : IJob
{
[NativeDisableUnsafePtrRestriction][ReadOnly] public unsafe float* Ap;
public int AM, AN;
[NativeDisableUnsafePtrRestriction][ReadOnly] public unsafe float* Bp;
public int BM, BN;
[NativeDisableUnsafePtrRestriction] public unsafe float* Cp;
public int CM, CN;
public int bs;
public bool transposeA;
public bool transposeB;
public void Execute()
{
cblas_sgemm(CBLAS_ORDER.CblasRowMajor, transposeA ? CBLAS_TRANSPOSE.CblasTrans : CBLAS_TRANSPOSE.CblasNoTrans,
transposeB ? CBLAS_TRANSPOSE.CblasTrans : CBLAS_TRANSPOSE.CblasNoTrans,
AM, BN, BM, 1.0f, Ap, AN, Bp, BN, 1.0f, Cp, CN);
}
}
internal enum CBLAS_ORDER
{
CblasRowMajor=101,
CblasColMajor=102
};
internal enum CBLAS_TRANSPOSE
{
CblasNoTrans=111,
CblasTrans=112,
CblasConjTrans=113,
AtlasConj=114
};
}
}
#endif // UNITY_OSX