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marvin.hpp
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/*
* ----------------------------------------------------------------------------
* Marvin: A Minimalist GPU-only N-Dimensional ConvNets Framework
* Copyright (C) 2015 Princeton Vision Group
* ----------------------------------------------------------------------------
*/
// Please choose a data type to compile
#define DATATYPE 0
#if DATATYPE==0
#pragma message "Compiling using StorageT=half ComputeT=float"
#define StorageT half
#define ComputeT float
#define sizeofStorageT 2
#define sizeofComputeT 4
#define CUDNNStorageT CUDNN_DATA_HALF
#define CPUStorage2ComputeT(x) (cpu_half2float(x))
#define CPUCompute2StorageT(x) (cpu_float2half(x))
#define GPUStorage2ComputeT(x) (__half2float(x))
#define GPUCompute2StorageT(x) (__float2half(x))
#define GPUgemm Hgemm
#define GPUasum Hasum
#define ISNAN(x) (ishnan(x))
#define ComputeT_MIN FLT_MIN
#include <cuda_fp16.h>
#elif DATATYPE==1
#pragma message "Compiling using StorageT=float ComputeT=float"
#define StorageT float
#define ComputeT float
#define sizeofStorageT 4
#define sizeofComputeT 4
#define CUDNNStorageT CUDNN_DATA_FLOAT
#define CPUStorage2ComputeT(x) (x)
#define CPUCompute2StorageT(x) (x)
#define GPUStorage2ComputeT(x) (x)
#define GPUCompute2StorageT(x) (x)
#define GPUgemm cublasSgemm
#define GPUasum cublasSasum
#define ISNAN(x) (std::isnan(x))
#define ComputeT_MIN FLT_MIN
#elif DATATYPE==2
#pragma message "Compiling using StorageT=double ComputeT=double"
#define StorageT double
#define ComputeT double
#define sizeofStorageT 8
#define sizeofComputeT 8
#define CUDNNStorageT CUDNN_DATA_DOUBLE
#define CPUStorage2ComputeT(x) (x)
#define CPUCompute2StorageT(x) (x)
#define GPUStorage2ComputeT(x) (x)
#define GPUCompute2StorageT(x) (x)
#define GPUgemm cublasDgemm
#define GPUasum cublasDasum
#define ISNAN(x) (std::isnan(x))
#define ComputeT_MIN DBL_MIN
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////
// Includes
//////////////////////////////////////////////////////////////////////////////////////////////////
#include <cstdlib>
#include <cstdio>
#include <cstdarg>
#include <cmath>
#include <cfloat>
#include <iostream>
#include <fstream>
#include <random>
#include <algorithm>
#include <map>
#include <vector>
#include <string>
#include <typeinfo>
#include <typeindex>
#include <thread>
#include <chrono>
#include <future>
#include <cublas_v2.h>
#include <curand.h>
#include <cudnn.h>
#include <sys/time.h>
namespace marvin {
//////////////////////////////////////////////////////////////////////////////////////////////////
// Type definition
//////////////////////////////////////////////////////////////////////////////////////////////////
enum Filler { Xavier, Gaussian, Constant };
enum Pool { Max, Average, Sum };
enum LossObjective { MultinomialLogistic_StableSoftmax, MultinomialLogistic, SmoothL1, Contrastive, EuclideanSSE, HingeL1, HingeL2, SigmoidCrossEntropy, Infogain };
enum Phase { Training, Testing, TrainingTesting };
enum LRPolicy { LR_fixed, LR_step, LR_exp, LR_inv, LR_multistep, LR_poly, LR_sigmoid, LR_cyclical };
enum SolverAlgorithm { SGD, AdaGrad, NAG };
enum Regularizer { L2, L1 };
enum LRN { CrossChannel, DivisiveNormalization };
enum ElementWiseOp { ElementWise_EQL, ElementWise_MUL, ElementWise_SUM, ElementWise_MAX };
ComputeT anyval;
ComputeT oneval = 1;
ComputeT zeroval = 0;
const void* one = static_cast<void *>(&oneval);
const void* zero = static_cast<void *>(&zeroval);
const ComputeT* oneComputeT = &oneval;
const ComputeT* zeroComputeT = &zeroval;
//////////////////////////////////////////////////////////////////////////////////////////////////
// Debugging utility
//////////////////////////////////////////////////////////////////////////////////////////////////
void FatalError(const int lineNumber=0) {
std::cerr << "FatalError";
if (lineNumber!=0) std::cerr<<" at LINE "<<lineNumber;
std::cerr << ". Program Terminated." << std::endl;
cudaDeviceReset();
exit(EXIT_FAILURE);
}
void checkCUDA(const int lineNumber, cudaError_t status) {
if (status != cudaSuccess) {
std::cerr << "CUDA failure at LINE " << lineNumber << ": " << status << std::endl;
FatalError();
}
}
void checkCUDNN(const int lineNumber, cudnnStatus_t status) {
if (status != CUDNN_STATUS_SUCCESS) {
std::cerr << "CUDNN failure at LINE " << lineNumber << ": ";
switch (status) {
case CUDNN_STATUS_SUCCESS: std::cerr << "CUDNN_STATUS_SUCCESS" << std::endl; break;
case CUDNN_STATUS_NOT_INITIALIZED: std::cerr << "CUDNN_STATUS_NOT_INITIALIZED" << std::endl; break;
case CUDNN_STATUS_ALLOC_FAILED: std::cerr << "CUDNN_STATUS_ALLOC_FAILED" << std::endl; break;
case CUDNN_STATUS_BAD_PARAM: std::cerr << "CUDNN_STATUS_BAD_PARAM" << std::endl; break;
case CUDNN_STATUS_INTERNAL_ERROR: std::cerr << "CUDNN_STATUS_INTERNAL_ERROR" << std::endl; break;
case CUDNN_STATUS_INVALID_VALUE: std::cerr << "CUDNN_STATUS_INVALID_VALUE" << std::endl; break;
case CUDNN_STATUS_ARCH_MISMATCH: std::cerr << "CUDNN_STATUS_ARCH_MISMATCH" << std::endl; break;
case CUDNN_STATUS_MAPPING_ERROR: std::cerr << "CUDNN_STATUS_MAPPING_ERROR" << std::endl; break;
case CUDNN_STATUS_EXECUTION_FAILED: std::cerr << "CUDNN_STATUS_EXECUTION_FAILED" << std::endl; break;
case CUDNN_STATUS_NOT_SUPPORTED: std::cerr << "CUDNN_STATUS_NOT_SUPPORTED" << std::endl; break;
case CUDNN_STATUS_LICENSE_ERROR: std::cerr << "CUDNN_STATUS_LICENSE_ERROR" << std::endl; break;
}
FatalError();
}
checkCUDA(lineNumber,cudaGetLastError());
}
void checkCUBLAS(const int lineNumber, cublasStatus_t status) {
if (status != CUBLAS_STATUS_SUCCESS) {
std::cerr << "CUBLAS failure at LINE " << lineNumber << ": ";
switch (status) {
case CUBLAS_STATUS_SUCCESS: std::cerr << "CUBLAS_STATUS_SUCCESS" << std::endl; break;
case CUBLAS_STATUS_NOT_INITIALIZED: std::cerr << "CUBLAS_STATUS_NOT_INITIALIZED" << std::endl; break;
case CUBLAS_STATUS_ALLOC_FAILED: std::cerr << "CUBLAS_STATUS_ALLOC_FAILED" << std::endl; break;
case CUBLAS_STATUS_INVALID_VALUE: std::cerr << "CUBLAS_STATUS_INVALID_VALUE" << std::endl; break;
case CUBLAS_STATUS_ARCH_MISMATCH: std::cerr << "CUBLAS_STATUS_ARCH_MISMATCH" << std::endl; break;
case CUBLAS_STATUS_MAPPING_ERROR: std::cerr << "CUBLAS_STATUS_MAPPING_ERROR" << std::endl; break;
case CUBLAS_STATUS_EXECUTION_FAILED: std::cerr << "CUBLAS_STATUS_EXECUTION_FAILED" << std::endl; break;
case CUBLAS_STATUS_INTERNAL_ERROR: std::cerr << "CUBLAS_STATUS_INTERNAL_ERROR" << std::endl; break;
case CUBLAS_STATUS_NOT_SUPPORTED: std::cerr << "CUBLAS_STATUS_NOT_SUPPORTED" << std::endl; break;
case CUBLAS_STATUS_LICENSE_ERROR: std::cerr << "CUBLAS_STATUS_LICENSE_ERROR" << std::endl; break;
}
FatalError();
}
checkCUDA(lineNumber,cudaGetLastError());
}
unsigned long long get_timestamp() {
struct timeval now;
gettimeofday (&now, NULL);
return now.tv_usec + (unsigned long long)now.tv_sec * 1000000;
}
unsigned long long ticBegin;
unsigned long long tic() {
ticBegin = get_timestamp();
return ticBegin;
}
unsigned long long toc() {
unsigned long long ticEnd = get_timestamp();
unsigned long long delta = ticEnd - ticBegin;
std::cout << "Time passes " << delta << " microseconds" <<std::endl;
ticBegin = ticEnd;
return delta;
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// HALF computation ultility
//////////////////////////////////////////////////////////////////////////////////////////////////
static __inline__ __device__ __host__ int ishnan(half h) {
// When input is NaN, exponent is all ones and mantissa is non-zero.
return (h.x & 0x7c00U) == 0x7c00U && (h.x & 0x03ffU) != 0;
}
half cpu_float2half(float f) {
half ret;
unsigned x = *((int*)(void*)(&f));
unsigned u = (x & 0x7fffffff), remainder, shift, lsb, lsb_s1, lsb_m1;
unsigned sign, exponent, mantissa;
// Get rid of +NaN/-NaN case first.
if (u > 0x7f800000) {
ret.x = 0x7fffU;
return ret;
}
sign = ((x >> 16) & 0x8000);
// Get rid of +Inf/-Inf, +0/-0.
if (u > 0x477fefff) {
ret.x = sign | 0x7c00U;
return ret;
}
if (u < 0x33000001) {
ret.x = (sign | 0x0000);
return ret;
}
exponent = ((u >> 23) & 0xff);
mantissa = (u & 0x7fffff);
if (exponent > 0x70) {
shift = 13;
exponent -= 0x70;
} else {
shift = 0x7e - exponent;
exponent = 0;
mantissa |= 0x800000;
}
lsb = (1 << shift);
lsb_s1 = (lsb >> 1);
lsb_m1 = (lsb - 1);
// Round to nearest even.
remainder = (mantissa & lsb_m1);
mantissa >>= shift;
if (remainder > lsb_s1 || (remainder == lsb_s1 && (mantissa & 0x1))) {
++mantissa;
if (!(mantissa & 0x3ff)) {
++exponent;
mantissa = 0;
}
}
ret.x = (sign | (exponent << 10) | mantissa);
return ret;
}
float cpu_half2float(half h) {
unsigned sign = ((h.x >> 15) & 1);
unsigned exponent = ((h.x >> 10) & 0x1f);
unsigned mantissa = ((h.x & 0x3ff) << 13);
if (exponent == 0x1f) { /* NaN or Inf */
mantissa = (mantissa ? (sign = 0, 0x7fffff) : 0);
exponent = 0xff;
} else if (!exponent) { /* Denorm or Zero */
if (mantissa) {
unsigned int msb;
exponent = 0x71;
do {
msb = (mantissa & 0x400000);
mantissa <<= 1; /* normalize */
--exponent;
} while (!msb);
mantissa &= 0x7fffff; /* 1.mantissa is implicit */
}
} else {
exponent += 0x70;
}
int temp = ((sign << 31) | (exponent << 23) | mantissa);
return *((float*)((void*)&temp));
}
bool operator <(const half& x, const half& y) {
return cpu_half2float(x) < cpu_half2float(y);
}
std::ostream& operator<< (std::ostream& stream, const half& x) {
stream << cpu_half2float(x);
return stream;
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// JSON parser
//////////////////////////////////////////////////////////////////////////////////////////////////
enum JSONType { JSON_String, JSON_Bool, JSON_Null, JSON_Number, JSON_Object, JSON_ObjectArray};
// plain object
class JSON{
public:
JSONType type;
std::vector<void*> array;
std::map<std::string, JSON*> member;
~JSON(){
for (int i=0;i<array.size();++i){
if (array[i]!=NULL){
switch(type){
case JSON_String:
delete ((std::string*)(array[i]));
break;
case JSON_Bool:
delete ((bool*)(array[i]));
break;
case JSON_Null:
break;
case JSON_Number:
delete ((ComputeT*)(array[i]));
break;
case JSON_Object:
break;
case JSON_ObjectArray:
delete ((JSON*)(array[i]));
break;
}
}
}
for (std::map<std::string, JSON*>::iterator it = member.begin(); it != member.end(); it++ ){
if (it->second != NULL)
delete it->second;
}
};
std::string returnString(){
if (type!=JSON_String) FatalError(__LINE__);
return *((std::string*)(array[0]));
};
bool returnBool(){
if (type!=JSON_Bool) FatalError(__LINE__);
return *((bool*)(array[0]));
};
ComputeT returnReal(){
if (type!=JSON_Number) FatalError(__LINE__);
return *((ComputeT*)(array[0]));
};
std::vector<int> returnIntVector(){
if (type!=JSON_Number) FatalError(__LINE__);
std::vector<int> v(array.size());
for (int i=0;i<array.size();++i){
v[i] = (int)(*((ComputeT*)(array[i])));
}
return v;
};
std::vector<ComputeT> returnRealVector(){
if (type!=JSON_Number) FatalError(__LINE__);
std::vector<ComputeT> v(array.size());
for (int i=0;i<array.size();++i){
v[i] = (ComputeT)(*((ComputeT*)(array[i])));
}
return v;
};
std::vector<std::string> returnStringVector(){
if (type!=JSON_String) FatalError(__LINE__);
std::vector<std::string> v(array.size());
for (int i=0;i<array.size();++i){
v[i] = *((std::string*)(array[i]));
}
return v;
};
void setOrDie(std::string name, unsigned int &variable){
if (this->member.find(name) == this->member.end()){
FatalError(__LINE__);
}
else variable = (unsigned int)this->member[name]->returnReal();
};
void setOrDie(std::string name, bool &variable){
if (this->member.find(name) == this->member.end()){
FatalError(__LINE__);
}
else variable = this->member[name]->returnBool();
};
void setOrDie(std::string name, std::vector<float> &variable){
if (this->member.find(name) == this->member.end())
FatalError(__LINE__);
else variable = this->member[name]->returnRealVector();
};
void set(std::string name, bool &variable, bool default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = this->member[name]->returnBool();
};
void set(std::string name, ComputeT &variable, ComputeT default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = (ComputeT)(this->member[name]->returnReal());
};
void setOrDie(std::string name, ComputeT &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else variable = (ComputeT)(this->member[name]->returnReal());
};
void set(std::string name, int &variable, int default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = (int)(this->member[name]->returnReal());
};
void set(std::string name, unsigned int &variable, unsigned int default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = (unsigned int)(this->member[name]->returnReal());
};
void setOrDie(std::string name, int &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else variable = (int)(this->member[name]->returnReal());
};
void set(std::string name, std::vector<int> &variable, std::vector<int> default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = this->member[name]->returnIntVector();
};
void set(std::string name, std::vector<ComputeT> &variable, std::vector<ComputeT> default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = this->member[name]->returnRealVector();
};
void set(std::string name, std::vector<std::string> &variable, std::vector<std::string> default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = this->member[name]->returnStringVector();
};
void setOrDie(std::string name, std::vector<std::string> &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else variable = this->member[name]->returnStringVector();
};
void setOrDie(std::string name, std::vector<int> &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else variable = this->member[name]->returnIntVector();
};
void set(std::string name, std::string &variable, std::string default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else variable = this->member[name]->returnString();
};
void setOrDie(std::string name, std::string &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else variable = this->member[name]->returnString();
};
void setOrDie(std::string name, ElementWiseOp &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else if (0 == this->member[name]->returnString().compare("ElementWise_EQL")) variable = ElementWise_EQL;
else if (0 == this->member[name]->returnString().compare("ElementWise_MUL")) variable = ElementWise_MUL;
else if (0 == this->member[name]->returnString().compare("ElementWise_SUM")) variable = ElementWise_SUM;
else if (0 == this->member[name]->returnString().compare("ElementWise_MAX")) variable = ElementWise_MAX;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, Filler &variable, Filler default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("Xavier")) variable = Xavier;
else if (0 == this->member[name]->returnString().compare("Gaussian")) variable = Gaussian;
else if (0 == this->member[name]->returnString().compare("Constant")) variable = Constant;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, Pool &variable, Pool default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("Max")) variable = Max;
else if (0 == this->member[name]->returnString().compare("Average")) variable = Average;
else if (0 == this->member[name]->returnString().compare("Sum")) variable = Sum;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void setOrDie(std::string name, LossObjective &variable){
if (this->member.find(name) == this->member.end()) FatalError(__LINE__);
else if (0 == this->member[name]->returnString().compare("MultinomialLogistic_StableSoftmax")) variable = MultinomialLogistic_StableSoftmax;
else if (0 == this->member[name]->returnString().compare("MultinomialLogistic")) variable = MultinomialLogistic;
else if (0 == this->member[name]->returnString().compare("SmoothL1")) variable = SmoothL1;
else if (0 == this->member[name]->returnString().compare("Contrastive")) variable = Contrastive;
else if (0 == this->member[name]->returnString().compare("EuclideanSSE")) variable = EuclideanSSE;
else if (0 == this->member[name]->returnString().compare("HingeL1")) variable = HingeL1;
else if (0 == this->member[name]->returnString().compare("HingeL2")) variable = HingeL2;
else if (0 == this->member[name]->returnString().compare("SigmoidCrossEntropy")) variable = SigmoidCrossEntropy;
else if (0 == this->member[name]->returnString().compare("Infogain")) variable = Infogain;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, Phase &variable, Phase default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("Training")) variable = Training;
else if (0 == this->member[name]->returnString().compare("Testing")) variable = Testing;
else if (0 == this->member[name]->returnString().compare("TrainingTesting")) variable = TrainingTesting;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, LRPolicy &variable, LRPolicy default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("LR_fixed")) variable = LR_fixed;
else if (0 == this->member[name]->returnString().compare("LR_step")) variable = LR_step;
else if (0 == this->member[name]->returnString().compare("LR_exp")) variable = LR_exp;
else if (0 == this->member[name]->returnString().compare("LR_inv")) variable = LR_inv;
else if (0 == this->member[name]->returnString().compare("LR_multistep")) variable = LR_multistep;
else if (0 == this->member[name]->returnString().compare("LR_poly")) variable = LR_poly;
else if (0 == this->member[name]->returnString().compare("LR_sigmoid")) variable = LR_sigmoid;
else if (0 == this->member[name]->returnString().compare("LR_cyclical")) variable = LR_cyclical;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, SolverAlgorithm &variable, SolverAlgorithm default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("SGD")) variable = SGD;
else if (0 == this->member[name]->returnString().compare("AdaGrad")) variable = AdaGrad;
else if (0 == this->member[name]->returnString().compare("NAG")) variable = NAG;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, Regularizer &variable, Regularizer default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("L2")) variable = L2;
else if (0 == this->member[name]->returnString().compare("L1")) variable = L1;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, LRN &variable, LRN default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("CrossChannel")) variable = CrossChannel;
else if (0 == this->member[name]->returnString().compare("DivisiveNormalization")) variable = DivisiveNormalization;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, cudnnPoolingMode_t &variable, cudnnPoolingMode_t default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("max")) variable = CUDNN_POOLING_MAX;
else if (0 == this->member[name]->returnString().compare("average_include")) variable = CUDNN_POOLING_AVERAGE_COUNT_INCLUDE_PADDING;
else if (0 == this->member[name]->returnString().compare("average_exclude")) variable = CUDNN_POOLING_AVERAGE_COUNT_EXCLUDE_PADDING;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void set(std::string name, cudnnActivationMode_t &variable, cudnnActivationMode_t default_value){
if (this->member.find(name) == this->member.end()) variable = default_value;
else if (0 == this->member[name]->returnString().compare("Sigmoid")) variable = CUDNN_ACTIVATION_SIGMOID;
else if (0 == this->member[name]->returnString().compare("ReLU")) variable = CUDNN_ACTIVATION_RELU;
else if (0 == this->member[name]->returnString().compare("TanH")) variable = CUDNN_ACTIVATION_TANH;
else{ std::cout<<"Unsupported "<<name<<" = "<<this->member[name]->returnString()<<std::endl; FatalError(__LINE__); }
};
void print(){
switch(type){
case JSON_String:
if (array.size()>1) std::cout<<"[";
for (int i=0;i<array.size();++i){
if (i>0) std::cout<< ",";
std::cout << "\"" << *((std::string*)(array[i])) << "\"" ;
}
if (array.size()>1) std::cout<<"]";
std::cout<<std::endl;
break;
case JSON_Bool:
if (array.size()>1) std::cout<<"[";
for (int i=0;i<array.size();++i){
if (i>0) std::cout<< ",";
std::cout << ((*((bool*)(array[i])))? "true": "false");
}
if (array.size()>1) std::cout<<"]";
std::cout<<std::endl;
break;
case JSON_Null:
if (array.size()>1) std::cout<<"[";
for (int i=0;i<array.size();++i){
if (i>0) std::cout<< ",";
std::cout << "null";
}
if (array.size()>1) std::cout<<"]";
std::cout<<std::endl;
break;
case JSON_Number:
if (array.size()>1) std::cout<<"[";
for (int i=0;i<array.size();++i){
if (i>0) std::cout<< ",";
std::cout << *((ComputeT*)(array[i]));
}
if (array.size()>1) std::cout<<"]";
std::cout<<std::endl;
break;
case JSON_Object:
std::cout<<"{"<<std::endl;
for (std::map<std::string, JSON*>::iterator it = member.begin(); it != member.end(); it++ ){
std::cout << "\t" << it->first << ": ";
it->second->print();
}
std::cout<<"}";
break;
case JSON_ObjectArray:
std::cout<<"["<<std::endl;
for (int i=0;i<array.size();++i){
JSON* p = (JSON*)(array[i]);
p->print();
if (i<array.size()-1) std::cout<<","<<std::endl;
}
std::cout<<"]"<<std::endl;
break;
}
};
void parseNumberOrTextArray(std::string input){
while (input.size()>0){
int e = input.find(",");
if (e==std::string::npos){
e = input.size();
}
std::string first = input.substr(0,e);
if (first[0]=='\"'){
type = JSON_String;
std::string* p = new std::string(first.substr(1,first.size()-2));
array.push_back((void*)p);
}else if (first[0]=='t'){
type = JSON_Bool;
bool* p = new bool(true);
array.push_back((void*)p);
}else if (first[0]=='f'){
type = JSON_Bool;
bool* p = new bool(false);
array.push_back((void*)p);
}else if (first[0]=='n'){
type = JSON_Null;
void* p = NULL;
array.push_back((void*)p);
}else{
type = JSON_Number;
ComputeT* p = new ComputeT(stof(first));
array.push_back((void*)p);
}
if(e+1<input.size())
input=input.substr(e+1);
else
break;
}
};
void parseObject(std::string input){
type = JSON_Object;
int b,m,e;
JSON* p;
b = input.find("{");
e = input.find("}");
input = input.substr(b+1,e-b-1);
while (true){
m= input.find(":");
if (std::string::npos==m) break;
std::string name = input.substr(0,m);
name = name.substr(1,m-2);
input = input.substr(m+1);
if (input[0]=='\"'){
e=input.find("\"",1);
p = new JSON;
p->parseNumberOrTextArray(input.substr(0,e+1));
this->member[name] = p;
if (e+2<input.size())
input = input.substr(e+2);
else
break;
}else if (input[0]=='['){
// assume no nested array
input = input.substr(1);
e = input.find("]");
p = new JSON;
p->parseNumberOrTextArray(input.substr(0,e));
this->member[name] = p;
if (e+1<input.size())
input = input.substr(e+2);
else
break;
}else if (input[0]=='f' || input[0]=='t' || input[0]=='.' || input[0]=='-' || ('0'<=input[0] && input[0]<='9')){
e=input.find(",");
if (e==std::string::npos){
e = input.size();
}
p = new JSON;
p->parseNumberOrTextArray(input.substr(0,e));
this->member[name] = p;
if (e+1<input.size())
input = input.substr(e+1);
else
break;
}else{
FatalError(__LINE__);
}
}
};
void parseObjectArray(std::string input){
type = JSON_ObjectArray;
input = input.substr(1,input.size()-2);
while (input.size()>0){
int e = input.find("}")+1;
if (e==std::string::npos){
e = input.size();
}
std::string first = input.substr(0,e);
JSON* pObj = new JSON;
pObj->parseObject(first);
array.push_back((void*)pObj);
if(e+1<input.size())
input=input.substr(e+1);
else
break;
}
};
};
#define SetValue(obj,attribute,value) obj->set(#attribute,attribute,value);
#define SetOrDie(obj,attribute) obj->setOrDie(#attribute,attribute);
void parseNetworkJSON(std::string filename, JSON* train_obj, JSON* test_obj, JSON* architecture_obj){
std::ifstream t(filename);
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
str.erase(remove_if(str.begin(), str.end(), (int(*)(int))isspace), str.end());
std::string input = str;
int b,e;
b = input.find("\"train\"");
std::string train_str = input.substr(b+7);
b = train_str.find("{");
e = train_str.find("}");
train_str=train_str.substr(b,e-b+1);
if (train_obj!=NULL) train_obj->parseObject(train_str);
b = input.find("\"test\"");
std::string test_str = input.substr(b+6);
b = test_str.find("{");
e = test_str.find("}");
test_str=test_str.substr(b,e-b+1);
if (test_obj!=NULL) test_obj->parseObject(test_str);
b=input.find("\"layers\"");
input = input.substr(b+9);
e=input.find("}]");
if (architecture_obj!=NULL) architecture_obj->parseObjectArray(input);
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// Utility
//////////////////////////////////////////////////////////////////////////////////////////////////
bool is_file_exist(const std::string& fileName){
std::ifstream infile(fileName);
return infile.good();
}
void memorySizePrint(size_t bytes){
if (bytes<512){
std::cout<<bytes<<" Bytes";
}else if (bytes<512.0*1024){
std::cout<<(bytes/1024.0)<<" KB";
}else if (bytes<512.0*1024*1024){
std::cout<<(bytes/(1024.0*1024.0))<<" MB";
}else if (bytes<512.0*1024*1024*1024){
std::cout<<(bytes/(1024.0*1024.0*1024.0))<<" GB";
}else if (bytes<512.0*1024*1024*1024*1024){
std::cout<<(bytes/(1024.0*1024.0*1024.0*1024.0))<<" TB";
}else{
std::cout<<(bytes/(1024.0*1024.0*1024.0*1024.0*1024.0))<<" PB";
}
}
void veciPrint(const std::vector<int>& v){
std::cout<<"["<<v.size()<<"]={";
if (v.size()>0) std::cout<<v[0];
if (v.size()>1){
for (int i=1;i<v.size();++i){
std::cout<<","<<v[i];
}
}
std::cout<<"}";
}
void vecfPrint(const std::vector<ComputeT>& v){
std::cout<<"[";
if (v.size()>0) std::cout<<v[0];
if (v.size()>1){
for (int i=1;i<v.size();++i){
std::cout<<","<<v[i];
}
}
std::cout<<"]";
}
std::vector<int> veci(int n, ...){
std::vector<int> v;
if (n==0) return v;
va_list ap;
va_start(ap, n);
for(int i = 0; i < n; i++) {
v.push_back(va_arg(ap, int));
}
va_end(ap);
return v;
}
std::vector<std::string> vecs(int n, ...){
std::vector<std::string> v;
if (n==0) return v;
va_list ap;
va_start(ap, n);
for(int i = 0; i < n; i++) {
v.push_back(std::string(va_arg(ap, char*)));
}
va_end(ap);
return v;
}
std::vector<std::string> getStringVector(std::string input){
std::vector<std::string> ret;
while (input.size()>0){
int e = input.find(",");
if (e==std::string::npos){
e = input.size();
}
std::string first = input.substr(0,e);
ret.push_back(first);
if(e+1<input.size())
input=input.substr(e+1);
else
break;
}
return ret;
}
std::vector<std::vector<int> > getIntVectorVector(std::string input){
//remove all space
input.erase(remove_if(input.begin(), input.end(), (int(*)(int))isspace), input.end());
std::vector<std::vector<int> > ret;
while (input.size()>0){
int e;
if (input[0]=='['){
ret.resize(ret.size()+1);
e=0;
}else if (input[0]==','){
e=0;
}else if (input[0]==']'){
e=0;
}else{
e = input.find(",");
if (e==std::string::npos){
e = input.size();
}
int f = input.find("]");
if (f==std::string::npos){
f = input.size();
}
e = min(e,f);
std::string first = input.substr(0,e);
ret[ret.size()-1].push_back(stoi(first));
}
if(e+1<input.size())
input=input.substr(e+1);
else
break;
}
return ret;
}
size_t numel(const std::vector<int>& dim){
size_t res = 1;
for (int i=0;i<dim.size();++i) res *= (size_t)(dim[i]);
return res;
}
size_t sizeofitem(const std::vector<int>& dim){
size_t res = 1;
for (int i=1;i<dim.size();++i) res *= (size_t)(dim[i]);
return res;
}
size_t numspel(const std::vector<int>& dim){
size_t res = 1;
for (int i=2;i<dim.size();++i) res *= (size_t)(dim[i]);
return res;
}
bool same_dim(const std::vector<int>& dimA, const std::vector<int>& dimB){
if (dimA.size()!=dimB.size()) return false;
for (int i=0;i<dimA.size();++i){
if (dimA[i]!=dimB[i]) return false;
}
return true;
}
bool same_dim_EC(const std::vector<int>& dimA, const std::vector<int>& dimB){
if (dimA.size()!=dimB.size()) return false;
if (dimA[0]!=dimB[0]) return false;
for (int i=2;i<dimA.size();++i)
if (dimA[i]!=dimB[i])
return false;
return true;
}
size_t checkNaN(StorageT* dataGPU, size_t n){
StorageT* CPUmem = new StorageT[n];
cudaMemcpy(CPUmem, dataGPU, n*sizeofStorageT, cudaMemcpyDeviceToHost);
size_t countNaN = 0;
for (size_t i=0;i<n;++i) if (ISNAN(CPUmem[i])) ++countNaN;
if (countNaN>0){
std::cout<<std::endl<<"checkNaN result: "<<countNaN<<" out of "<<n<<" ("<< 100*ComputeT(countNaN)/n<< ") values are NaN, "<<n-countNaN<<" are not NaN."<<std::endl;
}
delete [] CPUmem;
return countNaN;
}
std::vector<size_t> randperm(size_t n, std::mt19937& rng){
std::vector<size_t> v(n);
for (size_t i=0;i<n;++i) v[i]=i;
shuffle ( v.begin(), v.end(), rng );
return v;
}
template <typename T>
std::vector<size_t> sort_indexes(const std::vector<T> &v) {
// initialize original index locations
std::vector<size_t> idx(v.size());
for (size_t i = 0; i != idx.size(); ++i) idx[i] = i;
// sort indexes based on comparing values in v
std::sort(idx.begin(), idx.end(), [&v](size_t i1, size_t i2) {return v[i1] < v[i2];});
return idx;
}
//////////////////////////////////////////////////////////////////////////////////////////////////
// CUDA kernels
//////////////////////////////////////////////////////////////////////////////////////////////////
#define CUDA_NUM_THREADS 512
#define MAX_NUM_BLOCKS 2880
inline int CUDA_GET_BLOCKS(const size_t N) {
return min(MAX_NUM_BLOCKS, int((N + size_t(CUDA_NUM_THREADS) - 1) / CUDA_NUM_THREADS));
}
inline size_t CUDA_GET_LOOPS(const size_t N) {
size_t total_threads = CUDA_GET_BLOCKS(N)*CUDA_NUM_THREADS;
return (N + total_threads -1)/ total_threads;
}
__global__ void Accuracy_MultinomialLogistic(size_t CUDA_NUM_LOOPS, size_t N, int C, int M, size_t wN, const StorageT* pred, const StorageT* label, const StorageT* weight, const StorageT* weightTensor, StorageT* loss){
const size_t idxBase = size_t(CUDA_NUM_LOOPS) * (size_t(CUDA_NUM_THREADS) * size_t(blockIdx.x) + size_t(threadIdx.x));
if (idxBase >= N) return;
for (size_t idx = idxBase; idx < min(N,idxBase+CUDA_NUM_LOOPS); ++idx ){
int l = int(GPUStorage2ComputeT(label[idx]));
int baseID = (idx/M) * C * M + idx % M;
int elementID = baseID + l * M ;
ComputeT prob = GPUStorage2ComputeT(pred[elementID]);
loss[idx] = GPUCompute2StorageT(1);
for(int d=0;d<C;++d){
if (GPUStorage2ComputeT(pred[baseID + d * M])>prob){
loss[idx]= GPUCompute2StorageT(0);
}
}
if (weight!=NULL){
loss[idx] = GPUCompute2StorageT( GPUStorage2ComputeT(loss[idx]) * GPUStorage2ComputeT(weight[l]) );
}
if (weightTensor!=NULL){
loss[idx] = GPUCompute2StorageT( GPUStorage2ComputeT(loss[idx]) * GPUStorage2ComputeT(weightTensor[idx % wN]) );
}
}
}
__global__ void Loss_MultinomialLogistic(size_t CUDA_NUM_LOOPS, size_t N, int C, int M, size_t wN, const StorageT* pred, const StorageT* label, const StorageT* weight, const StorageT* weightTensor, StorageT* loss){
const size_t idxBase = size_t(CUDA_NUM_LOOPS) * (size_t(CUDA_NUM_THREADS) * size_t(blockIdx.x) + size_t(threadIdx.x));
if (idxBase >= N) return;
for (size_t idx = idxBase; idx < min(N,idxBase+CUDA_NUM_LOOPS); ++idx ){