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OclWrapper.cc
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OclWrapper.cc
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/*
* (c) 2011 Wim Vanderbauwhede <wim.vanderbauwhede@gmail.com>
*
* */
#include "OclWrapper.h"
#ifdef FPGA
#include <unistd.h>
#endif
// ----------------------------------------------------------------------------------------
// Constructors
// ----------------------------------------------------------------------------------------
OclWrapper::OclWrapper () :
kernel_opts(""),
#ifdef DEV_GPU
useCPU(false),
useGPU(true),
useACC(false),
#else
#ifdef DEV_ACC
useCPU(false),
useGPU(false),
useACC(true),
#else
useCPU(true),
useGPU(false),
useACC(false),
#endif
#endif
nPlatforms(0), ncalls(0) {
//std::cout << "Default constructor\n";
// First check the Platform
cl::Platform::get(&platformList);
checkErr(platformList.size() != 0 ? CL_SUCCESS : -1, "cl::Platform::get");
#ifdef VERBOSE
// std::cerr << "Number of platforms is: " << platformList.size() << std::endl;
#endif
nPlatforms=platformList.size();
#ifdef PLATINFO
for (unsigned int i=0;i<platformList.size();i++) {
platformInfo.show(platformList,i);
}
#endif
selectDevice();
createQueue();
initArgStatus();
//std::cout << "Default constructor DONE\n";
}
// This is the Ctor used for Fortran oclInit()
OclWrapper::OclWrapper (const char* ksource, const char* kname, const char* kopts,int devIdx, int platIdx) :
#ifdef DEV_GPU
useCPU(false),
useGPU(true),
useACC(false),
#else
#ifdef DEV_ACC
useCPU(false),
useGPU(false),
useACC(true),
#else
useCPU(true),
useGPU(false),
useACC(false),
#endif
#endif
nPlatforms(0), ncalls(0) {
// First check the Platform
cl::Platform::get(&platformList);
checkErr(platformList.size() != 0 ? CL_SUCCESS : -1, "cl::Platform::get");
#ifdef VERBOSE
// std::cerr << "Number of platforms is: " << platformList.size() << std::endl;
#endif
nPlatforms=platformList.size();
#ifdef PLATINFO
for (unsigned int i=0;i<platformList.size();i++) {
platformInfo.show(platformList,i);
}
#endif
#ifdef PLATIDX
#ifdef DEVIDX
#if DEVIDX != -1
selectDevice( PLATIDX, DEVIDX );
#else
selectDevice();
#endif
#else
if (devIdx == -1) {
selectDevice();
} else {
selectDevice(devIdx);
}
#endif
#else
#ifdef DEVIDX
#if DEVIDX != -1
selectDevice( platIdx, DEVIDX );
#else
selectDevice();
#endif
#else
if (devIdx == -1) {
selectDevice();
} else {
selectDevice(platIdx,devIdx);
}
#endif
#endif
// std::cout << "OclWrapper: KERNEL_OPTS: <"<<kopts << ">\n";
// loadKernel( ksource, kname, kopts);
#ifndef FPGA
if (strcmp(kopts,"")==0) {
std::string stlstr=kernelOpts.str();
kernel_opts = stlstr.c_str();
std::cout << "initOclWrapper: KERNEL_OPTS: "<<kernel_opts << "\n";
loadKernel( ksource, kname, kernel_opts);
std::cout << "initOclWrapper: loaded kernel\n";
} else {
loadKernel( ksource, kname, kopts);
}
#else
// For the FPGA we need to see if there is an aocx file and load it
std::string cl_file(ksource);
std::string file_name = cl_file.substr(0,cl_file.size()-3); // FIXME: make it work with any extension!
std::string aocx_file = file_name+".aocx";
#ifdef VERBOSE
std::cout <<"Looking for "<<aocx_file <<" for " << ksource<<"\n";
#endif
const char* aocx_file_str = aocx_file.c_str();
if(access( aocx_file_str, F_OK ) != -1 ) {
loadBinary(aocx_file_str);
loadKernel(kname);
} else {
std::cerr << "Could not find "<<aocx_file<<"\n";
exit(0);
}
#endif
createQueue();
initArgStatus();
}
/*
void OclWrapper::initOclWrapper(const char* ksource, const char* kname, const char* kopts) {
#ifdef DEV_GPU
useCPU=false;
useGPU=true;
useACC=false;
#else
#ifdef DEV_ACC
useCPU=false;
useGPU=false;
useACC=true;
#else
useCPU=true;
useGPU=false;
useACC=false;
#endif
#endif
nPlatforms=0;
ncalls=0;
// First check the Platform
cl::Platform::get(&platformList);
checkErr(platformList.size() != 0 ? CL_SUCCESS : -1, "cl::Platform::get");
#ifdef VERBOSE
std::cerr << "Number of platforms is: " << platformList.size() << std::endl;
#endif
nPlatforms=platformList.size();
#ifdef PLATINFO
for (unsigned int i=0;i<platformList.size();i++) {
platformInfo.show(platformList,i);
}
#endif
selectDevice();
if (strcmp(kopts,"")==0) {
std::string stlstr=kernelOpts.str();
kernel_opts = stlstr.c_str();
std::cout << "initOclWrapper: KERNEL_OPTS: "<<kernel_opts << "\n";
loadKernel( ksource, kname, kernel_opts);
std::cout << "initOclWrapper: loaded kernel\n";
} else {
loadKernel( ksource, kname, kopts);
}
createQueue();
// std::cout << "initOclWrapper: created queue\n";
initArgStatus();
// std::cout << "initOclWrapper: initialised ArgStatus\n";
}
*/
OclWrapper::OclWrapper (int devIdx) :
#ifdef DEV_GPU
useCPU(false),
useGPU(true),
useACC(false),
#else
#ifdef DEV_ACC
useCPU(false),
useGPU(false),
useACC(true),
#else
useCPU(true),
useGPU(false),
useACC(false),
#endif
#endif
nPlatforms(0) {
// First check the Platform
cl::Platform::get(&platformList);
checkErr(platformList.size() != 0 ? CL_SUCCESS : -1, "cl::Platform::get");
#ifdef VERBOSE
std::cerr << "Number of platforms is: " << platformList.size() << std::endl;
#endif
nPlatforms=platformList.size();
#ifdef PLATINFO
for (unsigned int i=0;i<platformList.size();i++) {
platformInfo.show(platformList,i);
}
#endif
std::cout << "\nselectDevice by devIdx ...\n";
selectDevice(devIdx);
std::cout << "\nselectDevice DONE\n";
createQueue();
std::cout << "\ncreateQueue DONE\n";
initArgStatus();
std::cout << "Constructor DONE\n";
};
OclWrapper::OclWrapper (int devIdx, int platIdx) :
#ifdef DEV_GPU
useCPU(false),
useGPU(true),
useACC(false),
#else
#ifdef DEV_ACC
useCPU(false),
useGPU(false),
useACC(true),
#else
useCPU(true),
useGPU(false),
useACC(false),
#endif
#endif
nPlatforms(0) {
// First check the Platform
cl::Platform::get(&platformList);
checkErr(platformList.size() != 0 ? CL_SUCCESS : -1, "cl::Platform::get");
#ifdef VERBOSE
std::cerr << "Number of platforms is: " << platformList.size() << std::endl;
#endif
nPlatforms=platformList.size();
#ifdef PLATINFO
for (unsigned int i=0;i<platformList.size();i++) {
platformInfo.show(platformList,i);
}
#endif
std::cout << "\nselectDevice by platIdx "<<platIdx<< " and devIdx "<< devIdx << " ...\n";
selectDevice(platIdx, devIdx,
#ifdef DEV_GPU
GPU
#else
#ifdef DEV_ACC
ACC
#else
CPU
#endif
#endif
);
std::cout << "\nselectDevice DONE\n";
createQueue();
std::cout << "\ncreateQueue DONE\n";
initArgStatus();
std::cout << "Constructor DONE\n";
};
// ----------------------------------------------------------------------------------------
// Other public methods
// ----------------------------------------------------------------------------------------
void OclWrapper::setKernelOpts() {
std::string stlstr=kernelOpts.str();
kernel_opts = stlstr.c_str();
std::cout << "setKernelOpts: KERNEL_OPTS: "<<kernel_opts << "\n";
}
bool OclWrapper::hasACC(int i) {
const cl::Platform& platform=platformList[i];
// cl::vector<cl::Device> gpus;
cl_int err= platform.getDevices(CL_DEVICE_TYPE_ACCELERATOR, &devices);
return (err!=CL_DEVICE_NOT_FOUND);
}
bool OclWrapper::hasGPU(int i) {
const cl::Platform& platform=platformList[i];
// cl::vector<cl::Device> gpus;
cl_int err= platform.getDevices(CL_DEVICE_TYPE_GPU, &devices);
return (err!=CL_DEVICE_NOT_FOUND);
}
bool OclWrapper::hasCPU(int i) {
const cl::Platform& platform=platformList[i];
cl_int err= platform.getDevices(CL_DEVICE_TYPE_CPU, &devices);
return (err!=CL_DEVICE_NOT_FOUND);
}
int OclWrapper::nDevices(int pIdx, std::string devt) {
const cl::Platform& platform=platformList[pIdx];
if (devt=="GPU") {
platform.getDevices(CL_DEVICE_TYPE_GPU, &devices);
} else if (devt=="CPU") {
platform.getDevices(CL_DEVICE_TYPE_CPU, &devices);
} else if (devt=="ACC") {
platform.getDevices(CL_DEVICE_TYPE_ACCELERATOR, &devices);
} else {
platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
}
int nDevs=devices.size();
// std::cout << "Number of "<<devt<<" devices for platform "<<pIdx<<": "<< nDevs << "\n";
#ifdef DEVINFO
for (int dIdx=0;dIdx<nDevs;dIdx++) {
std::cout << devt<<" Device["<< dIdx << "]: ";
deviceInfo.show(devices[dIdx]);
}
#endif
return nDevs;
}
void OclWrapper::selectGPU() {
useCPU=false;
useACC=false;
useGPU=true;
selectDevice();
}
void OclWrapper::selectCPU() {
useGPU=false;
useCPU=true;
useACC=false;
selectDevice();
}
void OclWrapper::selectACC() {
useGPU=false;
useCPU=false;
useACC=true;
selectDevice();
}
void OclWrapper::selectDevice(int pIdx, int dIdx, DeviceType devt) {
// Use the platform info as input for the Context
platformIdx=pIdx;
deviceIdx=dIdx;
switch (devt) {
case GPU: {
useCPU=false;
useACC=false;
useGPU=true;
break;
}
case CPU: {
useGPU=false;
useCPU=true;
useACC=false;
break;
}
case ACC: {
useGPU=false;
useCPU=false;
useACC=true;
break;
}
};
getContextAndDevices();
#ifdef DEVINFO
std::cout <<"\nDEVINFO for device "<<deviceIdx << " on platform " << platformIdx<< "\n";
deviceInfo.show(devices[deviceIdx]);
#endif
}
// Here we set the attributes platformIdx and deviceIdx
void OclWrapper::selectDevice() {
// So we must first select the platform that has a GPU, then the device that is a GPU
//bool useCPU = not useGPU;
platformIdx=0;
deviceIdx=0;
for (unsigned int i=0; i<platformList.size();i++) {
if ((useGPU && hasGPU(i))
|| (useCPU && hasCPU(i))
|| (useACC && hasACC(i))
) {
platformIdx=i;
#ifdef DEVINFO
std::cout << "Found platform "<<platformIdx<< " for ";
if (useGPU) {
std::cout << "GPU" <<"\n";
} else if (useACC) {
std::cout << "ACC" << "\n";
} else if (useCPU) {
std::cout << "CPU" << "\n";
}
#endif
break;
}
}
getContextAndDevices();
for (unsigned int i=0;i<devices.size();i++) {
if ( (useGPU && deviceInfo.isGPU(devices[i]))
|| (useCPU && deviceInfo.isCPU(devices[i]))
|| (useACC && deviceInfo.isACC(devices[i]))
) {
deviceIdx=i;
break;
}
}
#ifdef DEVINFO
deviceInfo.show(devices[deviceIdx]);
#endif
}
// Here we set the attributes platformIdx and deviceIdx
void OclWrapper::selectDevice(int devIdx) {
// So we must first select the platform that has a GPU, then the device that is a GPU
//bool useCPU = not useGPU;
platformIdx=0;
deviceIdx=0;
for (unsigned int i=0; i<platformList.size();i++) {
if ((useGPU && hasGPU(i))
|| (useCPU && hasCPU(i))
|| (useACC && hasACC(i))
) {
platformIdx=i;
break;
}
}
if (devIdx==-1) {
//std::cout << "Automatic device selection: ";
for (unsigned int i=0;i<devices.size();i++) {
if ( (useGPU && deviceInfo.isGPU(devices[i]))
|| (useCPU && deviceInfo.isCPU(devices[i]))
|| (useACC && deviceInfo.isACC(devices[i]))
) {
deviceIdx=i;
#ifdef DEVINFO
std::cout << "Found platform "<<platformIdx<< " for ";
if (useGPU) {
std::cout << "GPU " <<deviceIdx<<"\n";
} else if (useACC) {
std::cout << "ACC " << deviceIdx <<"\n";
} else if (useCPU) {
std::cout << "CPU " << deviceIdx << "\n";
}
#endif
break;
}
}
} else {
deviceIdx=devIdx;
}
getContextAndDevices();
#ifdef DEVINFO
std::cout << "Number of devices: "<<devices.size() << "\n";
std::cout << "Device Info for Platform "<<platformIdx << ", Device "<<deviceIdx<<"\n";
deviceInfo.show(devices[deviceIdx]);
#endif
} // END of selectDevice()
void OclWrapper::selectDevice(int platIdx, int devIdx) {
// So we must first select the platform that has a GPU, then the device that is a GPU
//bool useCPU = not useGPU;
platformIdx=0;
deviceIdx=0;
if (platIdx==-1) {
for (unsigned int i=0; i<platformList.size();i++) {
if ((useGPU && hasGPU(i))
|| (useCPU && hasCPU(i))
|| (useACC && hasACC(i))
) {
platformIdx=i;
break;
}
}
} else {
platformIdx = platIdx;
}
if (devIdx==-1) {
//std::cout << "Automatic device selection: ";
for (unsigned int i=0;i<devices.size();i++) {
if ( (useGPU && deviceInfo.isGPU(devices[i]))
|| (useCPU && deviceInfo.isCPU(devices[i]))
|| (useACC && deviceInfo.isACC(devices[i]))
) {
deviceIdx=i;
#ifdef DEVINFO
std::cout << "Found platform "<<platformIdx<< " for ";
if (useGPU) {
std::cout << "GPU " <<deviceIdx<<"\n";
} else if (useACC) {
std::cout << "ACC " << deviceIdx <<"\n";
} else if (useCPU) {
std::cout << "CPU " << deviceIdx << "\n";
}
#endif
break;
}
}
} else {
deviceIdx=devIdx;
}
getContextAndDevices();
#ifdef DEVINFO
std::cout << "Number of devices: "<<devices.size() << "\n";
std::cout << "Device Info for Platform "<<platformIdx << ", Device "<<deviceIdx<<"\n";
deviceInfo.show(devices[deviceIdx]);
#endif
} // END of selectDevice()
void OclWrapper::buildProgram(const char* ksource, const char* kopts) {
// std::cout <<"buildProgram(): build Program with options <"<< kopts<<">\n";
std::string kopts_str(kopts); //WV: UGLY HACK: somehow, kopts gets cleared between here and the invocation otherwise, so I make a copy
std::ifstream file(ksource);
checkErr(file.is_open() ? CL_SUCCESS:-1, ksource);
std::string prog(
std::istreambuf_iterator<char>(file),
(std::istreambuf_iterator<char>())
);
#ifndef OCLV22
cl::Program::Sources source(1, std::make_pair(prog.c_str(), prog.length()+1));
program_p = new cl::Program(*context_p, source);
#else
program_p = new cl::Program(*context_p,prog,false);
#endif
// std::cout <<"build Program with options <"<< kopts_str<<">\n";
err = program_p->build(devices,kopts_str.c_str());
std::string err_str("Program::build(");
err_str+=ksource;
err_str+=", KOPTS:";
err_str+=kopts;
err_str+=")";
const char* err_cstr = err_str.c_str();
checkErr(err, err_cstr );
}
//void OclWrapper::buildProgram(const char* ksource) {
// std::ifstream file(ksource);
// checkErr(file.is_open() ? CL_SUCCESS:-1, ksource);
//
// std::string prog(
// std::istreambuf_iterator<char>(file),
// (std::istreambuf_iterator<char>())
// );
//// std::cout <<"Program from source\n";
// cl::Program::Sources source(1, std::make_pair(prog.c_str(), prog.length()+1));
//// std::cout <<"new Program\n";
//
// program_p = new cl::Program(*context_p, source);
//// program = *program_p;
//// std::cout <<"build Program\n";
// err = program_p->build(devices,"");
// checkErr(file.is_open() ? CL_SUCCESS : -1, "Program::build()");
//}
//#ifndef OCLV2
// ---------------------------------------------------------------------
// This loads a binary, turns it into a cl::Program and builds it
void OclWrapper::loadBinary(const char* ksource) {
// std::cout <<"\n\nEntered loadBinary("<< ksource <<")\n";
std::ifstream binfile(ksource);
checkErr(binfile.is_open() ? CL_SUCCESS:-1, ksource);
std::string prog(
std::istreambuf_iterator<char>(binfile),
(std::istreambuf_iterator<char>())
);
cl::Program::Binaries binaries(1, std::make_pair((void*)prog.c_str(), prog.length())); // WV: the original code had prog.length()+1
// std::cout <<"Binary size: "<< prog.length()<<"\n";
#ifdef OCLV2
std::vector<cl_int> binaryStatus;
#else
cl::vector<cl_int> binaryStatus;
#endif
program_p = new cl::Program(*context_p, devices, binaries, &binaryStatus, &err);
checkErr(err, "Program::Program() from Binary");
err = program_p->build(devices);
std::string err_str("Program::build(");
err_str+=ksource;
err_str+=")";
const char* err_cstr = err_str.c_str();
checkErr(err, err_cstr );
// std::cout <<"Left loadBinary("<< ksource <<") with status "<< ((binaryStatus[0] == CL_SUCCESS) ? "SUCCESS" : "CL_INVALID_BINARY") <<"\n";
}
// ---------------------------------------------------------------------
void OclWrapper::storeBinary(const char* kbinname) {
//int nDevs=devices.size();
// std::cout <<"Entered storeBinary("<< kbinname <<")\n";
#ifdef OCLV2
std::vector< ::size_t > binarySizes;
#else
cl::vector< ::size_t > binarySizes;
#endif
err = program_p->getInfo(CL_PROGRAM_BINARY_SIZES, &binarySizes);
checkErr(err, "Program::getInfo(CL_PROGRAM_BINARY_SIZES)");
// std::cout << " binarySizes.size(): " << binarySizes.size() << "\n";
// std::cout << "Kernel binary size for device "<< deviceIdx << ": "<< binarySizes[deviceIdx] << "\n";
#ifdef OCLV2
#ifndef OCLV22
std::vector<char*> binaries;
#else
std::vector<std::vector<unsigned char>>
#endif
#else
cl::vector<char*> binaries;
#endif
// WV: Digging into cl.hpp (version 1.2.6), I found this:
binaries = program_p->getInfo<CL_PROGRAM_BINARIES>(&err);
checkErr(err, "Program::getInfo(CL_PROGRAM_BINARIES)");
// Store the binary for the device
std::ofstream binfile(kbinname,std::ofstream::binary);
#ifndef OCLV22
binfile.write(binaries[deviceIdx], binarySizes[deviceIdx]);
#else
char* binary_as_char_array = (char*)(&(binaries[deviceIdx])[0]);
binfile.write(binary_as_char_array, binarySizes[deviceIdx]);
#endif
binfile.close();
}
//#endif
void OclWrapper::reloadKernel(const char* kname) {
kernel_p= new cl::Kernel(*program_p, kname, &err);
kernel = *kernel_p;
checkErr(err, "Kernel::Kernel()");
}
void OclWrapper::loadKernel(const char* kname) {
kernel_p= new cl::Kernel(*program_p, kname, &err);
kernel = *kernel_p;
checkErr(err, "Kernel::Kernel()");
}
void OclWrapper::loadKernel(const char* ksource, const char* kname) {
//std::cout << "buildProgram\n";
buildProgram(ksource,"");
#if OCLDBG==1
std::string buildLog;
program_p->getBuildInfo(devices[deviceIdx],CL_PROGRAM_BUILD_LOG,&buildLog);
std::cout << buildLog;
#endif
//std::cout << "new Kernel\n";
kernel_p= new cl::Kernel(*program_p, kname, &err);
kernel = *kernel_p;
checkErr(err, "Kernel::Kernel()");
}
void OclWrapper::loadKernel(const char* ksource, const char* kname,const char* opts) {
//std::cerr << "loadKernel <" << ksource << "> with options <"<< opts <<">\n";
buildProgram(ksource,opts);
//std::cerr << "new Kernel <"<< kname <<">\n";
kernel_p= new cl::Kernel(*program_p, kname, &err);
kernel = *kernel_p;
std::string err_str("loadKernel::Kernel(");
err_str+=kname;
err_str+=")";
checkErr(err, err_str.c_str());
}
void OclWrapper::createQueue() {
// std::cout << "Device Idx: "<<deviceIdx<<"\n";
// Create the CommandQueue
#ifndef OPENCL_TIMINGS
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], 0, &err);
#else
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], CL_QUEUE_PROFILING_ENABLE, &err);
#endif
checkErr(err, "CommandQueue::CommandQueue()");
}
void OclWrapper::setArg(unsigned int idx, const cl::Buffer& buf) {
err = kernel_p->setArg(idx, buf );
checkErr(err, "Kernel::setArg()");
}
void OclWrapper::setArg(unsigned int idx, const float buf) {
err = kernel_p->setArg(idx, buf );
checkErr(err, "Kernel::setArg()");
}
void OclWrapper::setArg(unsigned int idx, const int buf) {
err = kernel_p->setArg(idx, buf );
checkErr(err, "Kernel::setArg()");
}
int OclWrapper::enqueueNDRangeRun(const cl::NDRange& globalRange,const cl::NDRange& localRange) {
// Create the CommandQueue
if ((void*)queue_p==NULL) {
#ifdef VERBOSE
std::cout<<"Creating queue...\n";
#endif
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], 0, &err);
checkErr(err, "CommandQueue::CommandQueue()");
}
ncalls++;
cl::Event event;
bool zeroGlobalRange = false;
if (
globalRange[0]==0
|| (globalRange.dimensions()>=2 && globalRange[1]==0)
|| (globalRange.dimensions()==3 && globalRange[2]==0)
) {
zeroGlobalRange = true;
}
if (zeroGlobalRange) {
std::cerr << "WARNING: GlobalRange is 0!\n";
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
cl::NullRange,localRange,
NULL,&event);
} else {
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
globalRange,localRange,
NULL,&event);
}
event.wait();
//delete event;
return ncalls;
}
float OclWrapper::enqueueNDRangeRun(unsigned int globalRange,unsigned int localRange) {
// Create the CommandQueue
if ((void*)queue_p==NULL) {
#ifdef VERBOSE
std::cout<<"Creating queue...\n";
#endif
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], 0, &err);
checkErr(err, "CommandQueue::CommandQueue()");
}
ncalls++;
cl::Event event;
bool zeroGlobalRange = (globalRange==0) ? true : false;
bool zeroLocalRange = (localRange == 0) ? true : false;
if (zeroLocalRange) {
if (zeroGlobalRange) {
std::cerr << "WARNING: GlobalRange is 0!\n";
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
cl::NullRange,cl::NullRange,
NULL,&event);
} else {
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
cl::NDRange(globalRange),cl::NullRange,
NULL,&event);
}
} else {
if (zeroGlobalRange) {
std::cerr << "WARNING: GlobalRange is 0!\n";
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
cl::NullRange,cl::NDRange(localRange),
NULL,&event);
} else {
err = queue_p->enqueueNDRangeKernel(
*kernel_p,
cl::NullRange,
cl::NDRange(globalRange),cl::NDRange(localRange),
NULL,&event);
}
}
event.wait();
#ifdef OPENCL_TIMINGS
float kernel_exec_time=getExecutionTime(event);
#else
float kernel_exec_time=(float)ncalls;
#endif
//delete event;
return kernel_exec_time;
}
int OclWrapper::enqueueNDRange(const cl::NDRange& globalRange,const cl::NDRange& localRange) {
// Create the CommandQueue
if ((void*)queue_p==NULL) {
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], 0, &err);
}
checkErr(err, "CommandQueue::CommandQueue()");
ncalls++;
#ifndef OCLV2
runKernel=kernel_p->bind(*queue_p,globalRange, localRange);
kernel_functor=runKernel;
#else
runKernel=bindKernel(*kernel_p,*queue_p,globalRange, localRange);
#endif
return ncalls;
}
int OclWrapper::enqueueNDRangeOffset(const cl::NDRange& offset,const cl::NDRange& globalRange,const cl::NDRange& localRange) {
// Create the CommandQueue
if ((void*)queue_p==NULL) {
queue_p = new cl::CommandQueue(*context_p, devices[deviceIdx], 0, &err);
}
checkErr(err, "CommandQueue::CommandQueue()");
ncalls++;
// VERBOSE
//std::cout << "# kernel calls: "<<ncalls <<std::endl;
#ifndef OCLV2
runKernel=kernel_p->bind(*queue_p,offset,globalRange, localRange);
kernel_functor=runKernel;
#else
runKernel=bindKernel(*kernel_p,*queue_p,offset,globalRange, localRange);
#endif
return ncalls;
}
//#endif
cl::Buffer& OclWrapper::makeWriteBuffer(int bufSize) {
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
CL_MEM_WRITE_ONLY,
#ifdef OLD_CXX
(::size_t)bufSize,NULL,&err);
#else
(::size_t)bufSize,nullptr,&err);
#endif
checkErr(err, "Buffer::Buffer()");
cl::Buffer& buf_r = *buf_p;
return buf_r;
}
void OclWrapper::makeWriteBufferPos(int argpos, int bufSize) {
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
CL_MEM_WRITE_ONLY,
#ifdef OLD_CXX
(::size_t)bufSize,NULL,&err);
#else
(::size_t)bufSize,nullptr,&err);
#endif
checkErr(err, "Buffer::Buffer()");
buf[argpos]=buf_p;
cl::Buffer& buf_r=*buf_p;
setArg(argpos,buf_r);
}
cl::Buffer& OclWrapper::makeReadBuffer(int bufSize,void* hostBuf, cl_mem_flags flags) {
if (hostBuf!=NULL && flags==CL_MEM_READ_ONLY) {
flags=CL_MEM_READ_ONLY|CL_MEM_COPY_HOST_PTR;
}
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
flags,
(::size_t)bufSize,hostBuf,&err);
checkErr(err, "makeReadBuffer()");
cl::Buffer& buf_r=*buf_p;
return buf_r;
}
cl::Buffer& OclWrapper::makeReadWriteBuffer(int bufSize,void* hostBuf, cl_mem_flags flags) {
if (hostBuf!=NULL && flags==CL_MEM_READ_WRITE) {
flags=CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR;
}
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
flags,
(::size_t)bufSize,hostBuf,&err);
checkErr(err, "makeReadBuffer()");
cl::Buffer& buf_r=*buf_p;
return buf_r;
}
cl::Buffer& OclWrapper::makeReadBuffer(int bufSize,const void* hostBuf, cl_mem_flags flags) {
if (hostBuf!=NULL && flags==CL_MEM_READ_ONLY) {
flags=CL_MEM_READ_ONLY|CL_MEM_COPY_HOST_PTR;
}
void* t_hostBuf = (void*)hostBuf;
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
flags,
(::size_t)bufSize,t_hostBuf,&err);
checkErr(err, "makeReadBuffer()");
cl::Buffer& buf_r=*buf_p;
return buf_r;
}
cl::Buffer& OclWrapper::makeReadWriteBuffer(int bufSize,const void* hostBuf, cl_mem_flags flags) {
if (hostBuf!=NULL && flags==CL_MEM_READ_WRITE) {
flags=CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR;
}
void* t_hostBuf = (void*)hostBuf;
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
flags,
(::size_t)bufSize,t_hostBuf,&err);
checkErr(err, "makeReadBuffer()");
cl::Buffer& buf_r=*buf_p;
return buf_r;
}
//cl::Buffer* OclWrapper::makeStaticReadBuffer(int idx,int bufSize,void* hostBuf, cl_mem_flags flags) {
// //cl::Buffer* buf_p= new cl::Buffer(
// buf[idx]= cl::Buffer(
// //buf_p1= new cl::Buffer(
// *context_p,
// flags,
// bufSize,hostBuf,&err);
// checkErr(err, "Buffer::Buffer()");
// return buf;
//}
void OclWrapper::makeReadBufferPos(int argpos, int bufSize) {
cl::Buffer* buf_p= new cl::Buffer(
*context_p,
CL_MEM_READ_ONLY,
(::size_t)bufSize,NULL,&err);
checkErr(err, "Buffer::Buffer()");
buf[argpos]=buf_p;
cl::Buffer& buf_r=*buf_p;
setArg(argpos,buf_r);
}
void OclWrapper::readBufferPos(int idx, int bufSize, void* hostBuf) {
// std::cout << queue_p<<"\n";
err = queue_p->enqueueReadBuffer(
*buf[idx],
CL_TRUE,
0,
(::size_t)bufSize,
hostBuf);
checkErr(err, "CommandQueue::enqueueReadBuffer()");
}
void OclWrapper::readBuffer(const cl::Buffer& deviceBuf, int bufSize, void* hostBuf) {
err = queue_p->enqueueReadBuffer(
deviceBuf,
CL_TRUE,
0,
(::size_t)bufSize,
hostBuf);
checkErr(err, "CommandQueue::enqueueReadBuffer()");
}
void OclWrapper::readBuffer(const cl::Buffer& deviceBuf, bool blocking_read,
::wv_size_t offset, ::wv_size_t bufSize, void * hostBuf,
#ifndef OCLV22
const VECTOR_CLASS<cl::Event> * events,
#else
const std::vector<cl::Event> * events,
#endif
cl::Event * event) {
err = queue_p->enqueueReadBuffer(
deviceBuf,
blocking_read,
offset,
(::size_t)bufSize,