This commit is contained in:
Francesco Gatti
2017-07-02 20:52:08 +02:00
16 changed files with 692 additions and 65 deletions
+4 -2
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@@ -14,12 +14,14 @@ Activation::Activation(Network *net, dataDim_t input_dim, tkdnnActivationMode_t
checkCUDNN( cudnnSetTensor4dDescriptor(srcTensorDesc,
net->tensorFormat,
net->dataType,
input_dim.n, input_dim.c,
input_dim.n*input_dim.l,
input_dim.c,
input_dim.h, input_dim.w) );
checkCUDNN( cudnnSetTensor4dDescriptor(dstTensorDesc,
net->tensorFormat,
net->dataType,
input_dim.n, input_dim.c,
input_dim.n*input_dim.l,
input_dim.c,
input_dim.h, input_dim.w) );
}
+157
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@@ -0,0 +1,157 @@
#include <iostream>
#include "Layer.h"
namespace tkDNN {
Conv3d::Conv3d( Network *net, dataDim_t in_dim, int out_ch,
int kernelH, int kernelW, int kernelL,
int strideH, int strideW, int strideL,
const char* fname_weights, const char* fname_bias) :
LayerWgs(net, in_dim, in_dim.c, out_ch, kernelH, kernelW, kernelL,
fname_weights, fname_bias) {
this->kernelH = kernelH;
this->kernelW = kernelW;
this->kernelL = kernelL;
this->strideH = strideH;
this->strideW = strideW;
this->strideL = strideL;
checkCUDNN( cudnnCreateTensorDescriptor(&biasDstTensorDesc) );
checkCUDNN( cudnnCreateFilterDescriptor(&filterDesc) );
checkCUDNN( cudnnCreateConvolutionDescriptor(&convDesc) );
checkCUDNN( cudnnCreateTensorDescriptor(&biasTensorDesc) );
int n = input_dim.n;
int c = input_dim.c;
int h = input_dim.h;
int w = input_dim.w;
int l = input_dim.l;
//create a tensor Nd descriptor with N = 4
int dimA[5];
dimA[0] = n; dimA[1] = c; dimA[2] = h; dimA[3] = w; dimA[4] = l;
int strideA[5];
strideA[0] = c*h*w*l;
strideA[1] = h*w*l;
strideA[2] = w*l;
strideA[3] = l;
strideA[4] = 1;
checkCUDNN( cudnnSetTensorNdDescriptor(srcTensorDesc,
net->dataType, 5, dimA, strideA));
//filter descriptor
int filterDim[5];
filterDim[0] = out_ch;
filterDim[1] = in_dim.c;
filterDim[2] = kernelH;
filterDim[3] = kernelW;
filterDim[4] = kernelL;
checkCUDNN( cudnnSetFilterNdDescriptor(filterDesc,
net->dataType, 5, filterDim));
//convolutional descriptor
int padA[3] = {0, 0, 0};
int filterStride[3] = {strideH, strideW, strideL};
int upscale[3] = {1, 1, 1};
checkCUDNN( cudnnSetConvolutionNdDescriptor(convDesc, 3,
padA, filterStride, upscale, CUDNN_CROSS_CORRELATION));
//get output dimension
int outputDim[5];
checkCUDNN(cudnnGetConvolutionNdForwardOutputDim(convDesc, srcTensorDesc, filterDesc, 5, outputDim));
n = outputDim[0];
c = outputDim[1];
h = outputDim[2];
w = outputDim[3];
l = outputDim[4];
//destination sensor
int outputStride[5];
outputStride[0] = c*h*w*l;
outputStride[1] = h*w*l;
outputStride[2] = w*l;
outputStride[3] = l;
outputStride[4] = 1;
checkCUDNN( cudnnSetTensorNdDescriptor(dstTensorDesc, net->dataType,
5, outputDim, outputStride));
//conv algo
checkCUDNN( cudnnGetConvolutionForwardAlgorithm(net->cudnnHandle,
srcTensorDesc, filterDesc, convDesc, dstTensorDesc,
CUDNN_CONVOLUTION_FWD_PREFER_FASTEST, 0, &algo) );
checkCUDNN( cudnnGetConvolutionForwardWorkspaceSize(net->cudnnHandle,
srcTensorDesc,
filterDesc,
convDesc,
dstTensorDesc,
algo,
&ws_sizeInBytes) );
if (ws_sizeInBytes!=0)
checkCuda( cudaMalloc(&workSpace, ws_sizeInBytes) );
// bias on N dimensional is not SUPPORTED so i have to use 2d method
//the trick is to upscale the 2d matrix width by the factor of 3d thickness
checkCUDNN( cudnnSetTensor4dDescriptor(biasDstTensorDesc,
net->tensorFormat, net->dataType, n, c, h*l, w) );
checkCUDNN( cudnnSetTensor4dDescriptor(biasTensorDesc,
net->tensorFormat, net->dataType,
1, c, 1, 1) );
output_dim.n = n;
output_dim.c = c;
output_dim.h = h;
output_dim.w = w;
output_dim.l = l;
//allocate data for infer result
checkCuda( cudaMalloc(&dstData, output_dim.tot()*sizeof(value_type)) );
}
Conv3d::~Conv3d() {
checkCUDNN( cudnnDestroyFilterDescriptor(filterDesc) );
checkCUDNN( cudnnDestroyConvolutionDescriptor(convDesc) );
checkCUDNN( cudnnDestroyTensorDescriptor(biasTensorDesc) );
checkCUDNN( cudnnDestroyTensorDescriptor(biasDstTensorDesc) );
if (ws_sizeInBytes!=0)
checkCuda( cudaFree(workSpace) );
checkCuda( cudaFree(dstData) );
}
value_type* Conv3d::infer(dataDim_t &dim, value_type* srcData) {
// convolution
value_type alpha = value_type(1);
value_type beta = value_type(0);
checkCUDNN( cudnnConvolutionForward(net->cudnnHandle,
&alpha, srcTensorDesc, srcData, filterDesc,
data_d, convDesc, algo, workSpace, ws_sizeInBytes,
&beta, dstTensorDesc, dstData) );
// bias
alpha = value_type(1);
beta = value_type(1);
checkCUDNN( cudnnAddTensor(net->cudnnHandle, CUDNN_ADD_SAME_C,
&alpha, biasTensorDesc, bias_d,
&beta, biasDstTensorDesc, dstData) );
//update data dimensions
dim = output_dim;
return dstData;
}
}
+37
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@@ -0,0 +1,37 @@
#include <iostream>
#include "Layer.h"
#include "kernels.h"
namespace tkDNN {
Flatten::Flatten(Network *net, dataDim_t input_dim) :
Layer(net, input_dim) {
checkCuda( cudaMalloc(&dstData, input_dim.tot()*sizeof(value_type)) );
output_dim.n = 1;
output_dim.c = input_dim.tot();
output_dim.h = 1;
output_dim.w = 1;
output_dim.l = 1;
}
Flatten::~Flatten() {
checkCuda( cudaFree(dstData) );
}
value_type* Flatten::infer(dataDim_t &dim, value_type* srcData) {
//transpose per channel
matrixTranspose(net->cublasHandle, srcData, dstData, dim.c, dim.h*dim.w*dim.l);
//update data dimensions
dim = output_dim;
return dstData;
}
}
+45
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@@ -0,0 +1,45 @@
#include <iostream>
#include "Layer.h"
#include "kernels.h"
namespace tkDNN {
MulAdd::MulAdd(Network *net, dataDim_t input_dim, value_type mul, value_type add) :
Layer(net, input_dim) {
this->mul = mul;
this->add = add;
int size = input_dim.tot();
// create a vector with all value setted to add
value_type *add_vector_h = new value_type[size];
for(int i=0; i<size; i++)
add_vector_h[i] = add;
checkCuda( cudaMalloc(&add_vector, size*sizeof(value_type)));
checkCuda( cudaMemcpy(add_vector, add_vector_h, size*sizeof(value_type), cudaMemcpyHostToDevice));
delete [] add_vector_h;
checkCuda( cudaMalloc(&dstData, input_dim.tot()*sizeof(value_type)) );
}
MulAdd::~MulAdd() {
checkCuda( cudaFree(add_vector) );
checkCuda( cudaFree(dstData) );
}
value_type* MulAdd::infer(dataDim_t &dim, value_type* srcData) {
matrixMulAdd(net->cublasHandle, srcData, dstData, add_vector, input_dim.tot(), mul);
//update data dimensions
dim = output_dim;
return dstData;
}
}
+5 -1
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@@ -1,5 +1,6 @@
#include <iostream>
#include "tkdnn.h"
#include "Network.h"
#include "Layer.h"
@@ -7,7 +8,10 @@ namespace tkDNN {
Network::Network() {
std::cout<<"New NETWORK with CUDNN v"<<float(cudnnGetVersion())/1000<<"\n";
float tk_ver = float(tkDNN::getVersion())/1000;
float cu_ver = float(cudnnGetVersion())/1000;
std::cout<<"New NETWORK (tkDNN v"<<tk_ver<<", CUDNN v"<<cu_ver<<")\n";
dataType = CUDNN_DATA_FLOAT;
tensorFormat = CUDNN_TENSOR_NCHW;
+111
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@@ -0,0 +1,111 @@
#include <iostream>
#include "Layer.h"
#include "kernels.h"
namespace tkDNN {
Pooling::Pooling( Network *net, dataDim_t input_dim,
int winH, int winW, int strideH, int strideW, tkdnnPoolingMode_t pool_mode) :
Layer(net, input_dim) {
if(winH != strideH || winW != strideW)
FatalError("stride pooling not yet implemented");
this->winH = winH;
this->winW = winW;
this->strideH = strideH;
this->strideW = strideW;
this->pool_mode = pool_mode;
checkCUDNN( cudnnCreatePoolingDescriptor(&poolingDesc) );
int n = input_dim.n;
int c = input_dim.c;
int h = input_dim.h;
int w = input_dim.w;
int l = input_dim.l;
poolOn3d = false;
if(l > 1) {
poolOn3d = true;
if(n != 1)
FatalError("N value on 3d pool must be 1");
//use batch as l
n = l;
}
checkCUDNN( cudnnSetPooling2dDescriptor(poolingDesc, cudnnPoolingMode_t(pool_mode),
winH, winW, 0, 0, strideH, strideW) );
checkCUDNN( cudnnSetTensor4dDescriptor(srcTensorDesc,
net->tensorFormat, net->dataType, n, c, h, w) );
//get out dim
h = h / winH; w = w / winW;
checkCUDNN( cudnnSetTensor4dDescriptor(dstTensorDesc,
net->tensorFormat, net->dataType, n, c, h, w) );
output_dim.n = n;
output_dim.c = c;
output_dim.h = h;
output_dim.w = w;
output_dim.l = l;
checkCuda( cudaMalloc(&dstData, output_dim.tot()*sizeof(value_type)) );
//pool on 3d data need transposition at the enter and on the exit
//allocate for initial and final transposition
if(poolOn3d) {
output_dim.n = 1;
checkCuda( cudaMalloc(&tmpInputData, input_dim.tot()*sizeof(value_type)) );
checkCuda( cudaMalloc(&tmpOutputData, output_dim.tot()*sizeof(value_type)) );
}
}
Pooling::~Pooling() {
if(poolOn3d) {
checkCuda( cudaFree(tmpInputData) );
checkCuda( cudaFree(tmpOutputData) );
}
checkCUDNN( cudnnDestroyPoolingDescriptor(poolingDesc) );
checkCuda( cudaFree(dstData) );
}
value_type* Pooling::infer(dataDim_t &dim, value_type* srcData) {
value_type *poolSrc = srcData;
value_type *poolDst = dstData;
if(poolOn3d) {
matrixTranspose(net->cublasHandle, srcData, tmpInputData, dim.h*dim.w*dim.c, dim.l);
poolSrc = tmpInputData;
poolDst = tmpOutputData;
}
value_type alpha = value_type(1);
value_type beta = value_type(0);
checkCUDNN( cudnnPoolingForward(net->cudnnHandle, poolingDesc,
&alpha, srcTensorDesc, poolSrc,
&beta, dstTensorDesc, poolDst) );
//update dim
dim = output_dim;
if(poolOn3d)
matrixTranspose(net->cublasHandle, tmpOutputData, dstData, dim.l, dim.h*dim.w*dim.c);
return dstData;
}
}
+5 -2
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@@ -9,7 +9,7 @@
__global__
void activation_elu(value_type *input, value_type *output, int size) {
int i = threadIdx.x*(blockIdx.x +1);
int i = blockDim.x*blockIdx.x + threadIdx.x;
if(i<size) {
value_type k0, k1;
@@ -30,6 +30,9 @@ void activation_elu(value_type *input, value_type *output, int size) {
*/
void activationELUForward(value_type* srcData, value_type* dstData, int size)
{
activation_elu<<<(size+255)/256, 256>>>(srcData, dstData, size);
int blocks = (size+255)/256;
int threads = 256;
activation_elu<<<blocks, threads>>>(srcData, dstData, size);
checkCuda( cudaDeviceSynchronize() );
}
+21
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@@ -42,4 +42,25 @@ void resize(int size, value_type **data)
if (*data != NULL)
checkCuda( cudaFree(*data) );
checkCuda( cudaMalloc(data, size*sizeof(value_type)) );
}
void matrixTranspose(cublasHandle_t handle, value_type* srcData, value_type* dstData, int rows, int cols) {
value_type *A = srcData, *clone = dstData;
int m = rows, n= cols;
checkCuda( cudaMemcpy(clone, A, m*n*sizeof(value_type), cudaMemcpyDeviceToDevice));
float const alpha(1.0);
float const beta(0.0);
checkERROR( cublasSgeam( handle, CUBLAS_OP_T, CUBLAS_OP_N, m, n, &alpha, A, n, &beta, A, m, clone, m ));
}
void matrixMulAdd( cublasHandle_t handle, value_type* srcData, value_type* dstData,
value_type* add_vector, int dim, value_type mul) {
checkCuda( cudaMemcpy(dstData, add_vector, dim*sizeof(value_type), cudaMemcpyDeviceToDevice));
value_type alpha = mul;
checkERROR( cublasSaxpy(handle, dim, &alpha, srcData, 1, dstData, 1));
}