Skip to content
Snippets Groups Projects
Commit 341fa160 authored by Trung Nguyen's avatar Trung Nguyen
Browse files

Updated UCL_Device built with OpenCL to use platforms that support accelerators by default

parent 6c42c9b3
No related branches found
No related tags found
No related merge requests found
Hide whitespace changes
Inline Side-by-side
lib/gpu/Opencl.makefile
+ 1
− 1
View file @ 341fa160
......@@ -609,7 +609,7 @@ $(OBJ_DIR)/lal_lj_expand_coul_long.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_
$(OBJ_DIR)/lal_lj_expand_coul_long_ext.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_expand_coul_long_ext.cpp lal_base_charge.h
$(OCL) -o $@ -c lal_lj_expand_coul_long_ext.cpp -I$(OBJ_DIR)
$(BIN_DIR)/ocl_get_devices: ./geryon/ucl_get_devices.cpp
$(BIN_DIR)/ocl_get_devices: ./geryon/ucl_get_devices.cpp $(OCL_H)
$(OCL) -o $@ ./geryon/ucl_get_devices.cpp -DUCL_OPENCL $(OCL_LINK)
$(OCL_LIB): $(OBJS) $(PTXS)
......
lib/gpu/geryon/ocl_device.h
+ 101
− 67
View file @ 341fa160
......@@ -280,6 +280,9 @@ class UCL_Device {
/// Return the OpenCL type for the device
inline cl_device_id & cl_device() { return _cl_device; }
/// Select the platform that has accelerators
inline void set_platform_accelerator(int pid=-1);
private:
int _num_platforms; // Number of platforms
int _platform; // UCL_Device ID for current platform
......@@ -311,8 +314,8 @@ UCL_Device::UCL_Device() {
return;
} else
_num_platforms=static_cast<int>(nplatforms);
set_platform(0);
// note that platform 0 may not necessarily be associated with accelerators
set_platform_accelerator();
}
UCL_Device::~UCL_Device() {
......@@ -320,6 +323,7 @@ UCL_Device::~UCL_Device() {
}
void UCL_Device::clear() {
_properties.clear();
if (_device>-1) {
for (size_t i=0; i<_cq.size(); i++) {
CL_DESTRUCT_CALL(clReleaseCommandQueue(_cq.back()));
......@@ -529,75 +533,105 @@ int UCL_Device::set(int num) {
return create_context();
}
// List all devices along with all properties
// List all devices from all platforms along with all properties
void UCL_Device::print_all(std::ostream &out) {
if (num_devices() == 0)
out << "There is no device supporting OpenCL\n";
for (int i=0; i<num_devices(); ++i) {
out << "\nDevice " << i << ": \"" << name(i).c_str() << "\"\n";
out << " Type of device: "
<< device_type_name(i).c_str() << std::endl;
out << " Double precision support: ";
if (double_precision(i))
out << "Yes\n";
else
out << "No\n";
out << " Total amount of global memory: "
<< gigabytes(i) << " GB\n";
out << " Number of compute units/multiprocessors: "
<< _properties[i].compute_units << std::endl;
//out << " Number of cores: "
// << cores(i) << std::endl;
out << " Total amount of constant memory: "
<< _properties[i].const_mem << " bytes\n";
out << " Total amount of local/shared memory per block: "
<< _properties[i].shared_mem << " bytes\n";
//out << " Total number of registers available per block: "
// << _properties[i].regsPerBlock << std::endl;
//out << " Warp size: "
// << _properties[i].warpSize << std::endl;
out << " Maximum group size (# of threads per block) "
<< _properties[i].work_group_size << std::endl;
out << " Maximum item sizes (# threads for each dim) "
<< _properties[i].work_item_size[0] << " x "
<< _properties[i].work_item_size[1] << " x "
<< _properties[i].work_item_size[2] << std::endl;
//out << " Maximum sizes of each dimension of a grid: "
// << _properties[i].maxGridSize[0] << " x "
// << _properties[i].maxGridSize[1] << " x "
// << _properties[i].maxGridSize[2] << std::endl;
//out << " Maximum memory pitch: "
// << _properties[i].memPitch) << " bytes\n";
//out << " Texture alignment: "
// << _properties[i].textureAlignment << " bytes\n";
out << " Clock rate: "
<< clock_rate(i) << " GHz\n";
//out << " Concurrent copy and execution: ";
out << " ECC support: ";
if (_properties[i].ecc_support)
out << "Yes\n";
else
out << "No\n";
out << " Device fission into equal partitions: ";
if (fission_equal(i))
out << "Yes\n";
else
out << "No\n";
out << " Device fission by counts: ";
if (fission_by_counts(i))
out << "Yes\n";
else
out << "No\n";
out << " Device fission by affinity: ";
if (fission_by_affinity(i))
out << "Yes\n";
else
out << "No\n";
out << " Maximum subdevices from fission: "
<< max_sub_devices(i) << std::endl;
// --- loop through the platforms
for (int n=0; n<_num_platforms; n++) {
set_platform(n);
out << "\nPlatform " << n << ":\n";
if (num_devices() == 0)
out << "There is no device supporting OpenCL\n";
for (int i=0; i<num_devices(); ++i) {
out << "\nDevice " << i << ": \"" << name(i).c_str() << "\"\n";
out << " Type of device: "
<< device_type_name(i).c_str() << std::endl;
out << " Double precision support: ";
if (double_precision(i))
out << "Yes\n";
else
out << "No\n";
out << " Total amount of global memory: "
<< gigabytes(i) << " GB\n";
out << " Number of compute units/multiprocessors: "
<< _properties[i].compute_units << std::endl;
//out << " Number of cores: "
// << cores(i) << std::endl;
out << " Total amount of constant memory: "
<< _properties[i].const_mem << " bytes\n";
out << " Total amount of local/shared memory per block: "
<< _properties[i].shared_mem << " bytes\n";
//out << " Total number of registers available per block: "
// << _properties[i].regsPerBlock << std::endl;
//out << " Warp size: "
// << _properties[i].warpSize << std::endl;
out << " Maximum group size (# of threads per block) "
<< _properties[i].work_group_size << std::endl;
out << " Maximum item sizes (# threads for each dim) "
<< _properties[i].work_item_size[0] << " x "
<< _properties[i].work_item_size[1] << " x "
<< _properties[i].work_item_size[2] << std::endl;
//out << " Maximum sizes of each dimension of a grid: "
// << _properties[i].maxGridSize[0] << " x "
// << _properties[i].maxGridSize[1] << " x "
// << _properties[i].maxGridSize[2] << std::endl;
//out << " Maximum memory pitch: "
// << _properties[i].memPitch) << " bytes\n";
//out << " Texture alignment: "
// << _properties[i].textureAlignment << " bytes\n";
out << " Clock rate: "
<< clock_rate(i) << " GHz\n";
//out << " Concurrent copy and execution: ";
out << " ECC support: ";
if (_properties[i].ecc_support)
out << "Yes\n";
else
out << "No\n";
out << " Device fission into equal partitions: ";
if (fission_equal(i))
out << "Yes\n";
else
out << "No\n";
out << " Device fission by counts: ";
if (fission_by_counts(i))
out << "Yes\n";
else
out << "No\n";
out << " Device fission by affinity: ";
if (fission_by_affinity(i))
out << "Yes\n";
else
out << "No\n";
out << " Maximum subdevices from fission: "
<< max_sub_devices(i) << std::endl;
}
}
}
// Select the platform that is associated with accelerators
// if pid < 0, select the first platform
void UCL_Device::set_platform_accelerator(int pid) {
if (pid < 0) {
int found = 0;
for (int n=0; n<_num_platforms; n++) {
set_platform(n);
for (int i=0; i<num_devices(); i++) {
if (_properties[i].device_type==CL_DEVICE_TYPE_CPU ||
_properties[i].device_type==CL_DEVICE_TYPE_GPU ||
_properties[i].device_type==CL_DEVICE_TYPE_ACCELERATOR) {
found = 1;
break;
}
}
if (found) break;
}
} else {
set_platform(pid);
}
}
} // namespace ucl_opencl
#endif
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment