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added Makefile and code for HC

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This commit is contained in:
Peter Steinbach 2017-02-27 16:35:03 +01:00
parent 62ea5e3ed6
commit 0fc6722684
3 changed files with 64 additions and 59 deletions
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16
HC.make Normal file
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@ -0,0 +1,16 @@
# TODO: HC with HCC
HCC = hcc
CXXFLAGS+=-hc -stdlib=libc++ -I/opt/rocm/hcc-lc/include
LDFLAGS+=-hc -L/opt/rocm/hcc-lc/lib -Wl,--rpath=/opt/rocm/hcc-lc/lib -lc++ -lc++abi -ldl -Wl,--whole-archive -lmcwamp -Wl,--no-whole-archive
hc-stream: main.cpp HCStream.cpp
$(HCC) $(CXXFLAGS) -DHC $^ $(LDFLAGS) $(EXTRA_FLAGS) -o $@
.PHONY: clean
clean:
rm -f hc-stream

104
HCStream.cpp
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@ -7,10 +7,9 @@
#include <codecvt>
#include <vector>
#include <locale>
#include <numeric>
#include "HCStream.h"
//#include "hc.hpp"
#define TBSIZE 1024
@ -25,7 +24,7 @@ void listDevices(void)
{
// Get number of devices
std::vector<hc::accelerator> accs = hc::accelerator::get_all();
// Print device names
if (accs.empty())
{
@ -43,15 +42,6 @@ void listDevices(void)
}
}
// void check_error(void)
// {
// hipError_t err = hipGetLastError();
// if (err != hipSuccess)
// {
// std::cerr << "Error: " << hipGetErrorString(err) << std::endl;
// exit(err);
// }
// }
template <class T>
HCStream<T>::HCStream(const unsigned int ARRAY_SIZE, const int device_index):
@ -76,45 +66,7 @@ HCStream<T>::HCStream(const unsigned int ARRAY_SIZE, const int device_index):
hc::accelerator::set_default(current.get_device_path());
std::cout << "Using HC device " << getDeviceName(current) << std::endl;
// // The array size must be divisible by TBSIZE for kernel launches
// if (ARRAY_SIZE % TBSIZE != 0)
// {
// std::stringstream ss;
// ss << "Array size must be a multiple of " << TBSIZE;
// throw std::runtime_error(ss.str());
// }
// // Set device
// int count;
// hipGetDeviceCount(&count);
// check_error();
// if (device_index >= count)
// throw std::runtime_error("Invalid device index");
// hipSetDevice(device_index);
// check_error();
// // Print out device information
// std::cout << "Using HIP device " << getDeviceName(device_index) << std::endl;
// std::cout << "Driver: " << getDeviceDriver(device_index) << std::endl;
// array_size = ARRAY_SIZE;
// // Check buffers fit on the device
// hipDeviceProp_t props;
// hipGetDeviceProperties(&props, 0);
// if (props.totalGlobalMem < 3*ARRAY_SIZE*sizeof(T))
// throw std::runtime_error("Device does not have enough memory for all 3 buffers");
// // Create device buffers
// hipMalloc(&d_a, ARRAY_SIZE*sizeof(T));
// check_error();
// hipMalloc(&d_b, ARRAY_SIZE*sizeof(T));
// check_error();
// hipMalloc(&d_c, ARRAY_SIZE*sizeof(T));
// check_error();
}
@ -124,11 +76,17 @@ HCStream<T>::~HCStream()
}
template <class T>
void HCStream<T>::write_arrays(const std::vector<T>& a, const std::vector<T>& b, const std::vector<T>& c)
void HCStream<T>::init_arrays(T _a, T _b, T _c)
{
hc::copy(a.cbegin(),a.cend(),d_a);
hc::copy(b.cbegin(),b.cend(),d_b);
hc::copy(c.cbegin(),c.cend(),d_c);
std::vector<T> temp(array_size,_a);
hc::copy(temp.begin(), temp.end(),this->d_a);
std::fill(temp.begin(), temp.end(),_b);
hc::copy(temp.begin(), temp.end(),this->d_b);
std::fill(temp.begin(), temp.end(),_c);
hc::copy(temp.begin(), temp.end(),this->d_c);
}
template <class T>
@ -157,7 +115,7 @@ void HCStream<T>::copy()
future_kernel.wait();
}
catch(std::exception& e){
std::cout << e.what() << std::endl;
std::cout << __FILE__ << ":" << __LINE__ << "\t" << e.what() << std::endl;
throw;
}
}
@ -178,7 +136,7 @@ void HCStream<T>::mul()
future_kernel.wait();
}
catch(std::exception& e){
std::cout << e.what() << std::endl;
std::cout << __FILE__ << ":" << __LINE__ << "\t" << e.what() << std::endl;
throw;
}
}
@ -200,7 +158,7 @@ void HCStream<T>::add()
future_kernel.wait();
}
catch(std::exception& e){
std::cout << e.what() << std::endl;
std::cout << __FILE__ << ":" << __LINE__ << "\t" << e.what() << std::endl;
throw;
}
}
@ -222,10 +180,40 @@ void HCStream<T>::triad()
future_kernel.wait();
}
catch(std::exception& e){
std::cout << e.what() << std::endl;
std::cout << __FILE__ << ":" << __LINE__ << "\t" << e.what() << std::endl;
throw;
}
}
template <class T>
T HCStream<T>::dot()
{
hc::array<T,1>& device_a = this->d_a;
hc::array<T,1> product = this->d_b;
T sum = static_cast<T>(0);
try{
// launch a GPU kernel to compute the saxpy in parallel
hc::completion_future future_kernel = hc::parallel_for_each(hc::extent<1>(array_size)
, [&](hc::index<1> i) [[hc]] {
product[i] *= device_a[i];
});
future_kernel.wait();
}
catch(std::exception& e){
std::cout << __FILE__ << ":" << __LINE__ << "\t" << e.what() << std::endl;
throw;
}
std::vector<T> h_product(array_size,sum);
hc::copy(product,h_product.begin());
sum = std::accumulate(h_product.begin(), h_product.end(),sum);
return sum;
}
template class HCStream<float>;
template class HCStream<double>;

3
HCStream.h
View File

@ -37,8 +37,9 @@ public:
virtual void add() override;
virtual void mul() override;
virtual void triad() override;
virtual T dot() override;
virtual void write_arrays(const std::vector<T>& a, const std::vector<T>& b, const std::vector<T>& c) override;
virtual void init_arrays(T initA, T initB, T initC) override;
virtual void read_arrays(std::vector<T>& a, std::vector<T>& b, std::vector<T>& c) override;
};