示例#1
0
        static string TestcublasSgemm2()
        {
            string    testName = "TestcublasSgemm2";
            uint      aw       = 2;
            uint      bh       = aw;
            uint      ah       = 3;
            uint      bw       = 3;
            uint      ch       = ah;
            uint      cw       = bw;
            GpuMatrix gpuA;
            GpuMatrix gpuB;
            GpuMatrix gpuC;

            var dataA = MatrixUtils.AA();
            var dataB = MatrixUtils.BB();
            var cRes  = new float[ch * cw];

            var cuby = new CublasClr.Cublas();
            var aa   = new CudaArray();

            var res = aa.ResetDevice();

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuA,
                new Matrix <float>(_rows: ch, _cols: cw,
                                   host_data: ImmutableArray.Create(dataA),
                                   matrixFormat: MatrixFormat.Column_Major));

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuB,
                new Matrix <float>(_rows: bh, _cols: bw,
                                   host_data: ImmutableArray.Create(dataB),
                                   matrixFormat: MatrixFormat.Column_Major));

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuC,
                new Matrix <float>(_rows: ch, _cols: cw,
                                   host_data: ImmutableArray.Create(cRes),
                                   matrixFormat: MatrixFormat.Column_Major));


            IntPtr cublasHandle = new IntPtr();

            res = res + cuby.MakeCublasHandle(ref cublasHandle);

            GpuMatrix gpuProd;

            res = res + GpuMatrixOps.Multiply(
                gmOut: out gpuProd,
                cublasHandle: cublasHandle,
                gmA: gpuA, gmB: gpuB, gmC: gpuC);

            GpuMatrix gpuSynched;

            res = res + GpuMatrixOps.CopyToHost(out gpuSynched, gpuProd);

            // GpuMatrixUtils.MatrixMult(C: cRes, A: dataA, B: dataB, wA: aw, hA: ah, wB: bw);

            return(string.Empty);
        }
示例#2
0
        static string TestCublasHandle()
        {
            CublasOp o = CublasClr.CublasOp.N;

            string testName  = "TestCublasHandle";
            var    cuby      = new CublasClr.Cublas();
            IntPtr devHandle = new IntPtr();
            var    aa        = new CudaArray();

            try
            {
                var res = aa.ResetDevice();
                res = res + cuby.MakeCublasHandle(ref devHandle);
                res = res + cuby.DestroyCublasHandle(devHandle);
                if (res != String.Empty)
                {
                    return(testName + " fail: " + res);
                }
                return(testName + " pass");
            }
            catch
            {
                return(testName + " fail");
            }
            finally
            {
                //aa.ReleaseDevicePtr(devData);
                aa.ResetDevice();
            }
        }
示例#3
0
        //C = α op ( A ) op ( B ) + β C
        public static string Multiply(
            out GpuMatrix gmOut, IntPtr cublasHandle,
            GpuMatrix gmA, GpuMatrix gmB, GpuMatrix gmC)
        {
            if (gmA.DevHostState == DevHostState.DeviceNotAllocated)
            {
                gmOut = null;
                return("Device data pointer for matrix A not allocated");
            }
            if (gmB.DevHostState == DevHostState.DeviceNotAllocated)
            {
                gmOut = null;
                return("Device data pointer for matrix B not allocated");
            }
            if (gmC.DevHostState == DevHostState.DeviceNotAllocated)
            {
                gmOut = null;
                return("Device data pointer for matrix C not allocated");
            }

            var cuby   = new CublasClr.Cublas();
            var strRet = cuby.cublasSgemm(
                cublas_handle: cublasHandle,
                transa: CublasOp.N,
                transb: CublasOp.N,
                m: (int)gmA.Matrix.Rows,
                n: (int)gmB.Matrix.Cols,
                k: (int)gmA.Matrix.Cols,
                alpha: 1,
                dev_A: gmA.DevPtr,
                lda: (int)gmA.Matrix.Rows,
                dev_B: gmB.DevPtr,
                ldb: (int)gmB.Matrix.Rows,
                beta: 0,
                dev_C: gmC.DevPtr,
                ldc: (int)gmC.Matrix.Rows
                );


            if (!String.IsNullOrEmpty(strRet))
            {
                gmOut = null;
                return(strRet);
            }

            gmOut = new GpuMatrix(
                matrix: gmC.Matrix,
                devPtr: gmC.DevPtr,
                devHostState: DevHostState.DeviceIsNewer);

            return(String.Empty);
        }
示例#4
0
        static string TestcublasSgemm1()
        {
            string testName = "TestcublasSgemm";
            uint   aw       = 5;
            uint   bh       = aw;
            uint   ah       = 5;
            uint   bw       = 5;
            uint   ch       = ah;
            uint   cw       = bw;

            var cuby = new CublasClr.Cublas();
            var aa   = new CudaArray();
            var res  = aa.ResetDevice();

            var       dataA = MatrixUtils.MakeIdentity(rows: ah, cols: aw);
            GpuMatrix gpuA;

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuA,
                new Matrix <float>(_rows: ah, _cols: aw,
                                   host_data: ImmutableArray.Create(dataA),
                                   matrixFormat: MatrixFormat.Column_Major));


            var       dataB = MatrixUtils.MakeIdentiPoke(rows: bh, cols: bw);
            GpuMatrix gpuB;

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuB,
                new Matrix <float>(_rows: bh, _cols: bw,
                                   host_data: ImmutableArray.Create(dataB),
                                   matrixFormat: MatrixFormat.Column_Major));

            var       dataC = MatrixUtils.MakeZeroes(rows: bh, cols: bw);
            GpuMatrix gpuC;

            res = res + GpuMatrixOps.SetupGpuMatrix(
                out gpuC,
                new Matrix <float>(_rows: ch, _cols: cw,
                                   host_data: ImmutableArray.Create(dataC),
                                   matrixFormat: MatrixFormat.Column_Major));

            IntPtr cublasHandle = new IntPtr();

            res = res + cuby.MakeCublasHandle(ref cublasHandle);

            GpuMatrix gpuProd;

            res = res + GpuMatrixOps.Multiply(
                gmOut: out gpuProd,
                cublasHandle: cublasHandle,
                gmA: gpuA, gmB: gpuB, gmC: gpuC);

            GpuMatrix gpuSynched;

            res = res + GpuMatrixOps.CopyToHost(out gpuSynched, gpuProd);

            var cpuRes = new float[ah * bw];

            MatrixUtils.RowMajorMatrixMult(C: cpuRes, A: dataA, B: dataB, wA: aw, hA: ah, wB: bw);

            var cpuRes2 = new float[bh * aw];

            MatrixUtils.RowMajorMatrixMult(C: cpuRes2, A: dataB, B: dataA, wA: bw, hA: bh, wB: aw);

            return(res);
        }