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GPU: Add Device::deviceVendor() function and fix #3416 #3418

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merged 2 commits into from
Jul 12, 2023
Merged

GPU: Add Device::deviceVendor() function and fix #3416 #3418

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ea99ddd
GPU: Add Device::deviceVendor() function
mirenradia Jul 12, 2023
4149659
SYCL: Default disable SIGSEGV handling on Intel GPUs
mirenradia Jul 12, 2023
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9 changes: 4 additions & 5 deletions Src/Base/AMReX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -494,11 +494,10 @@ amrex::Initialize (int& argc, char**& argv, bool build_parm_parse,
pp.queryAdd("abort_on_unused_inputs", system::abort_on_unused_inputs);

#ifdef AMREX_USE_SYCL
// Disable SIGSEGV handling by default for certain Intel GPUs,
// because it is currently used by their managed memory
// implementation.
if (Gpu::Device::deviceName().find("[0x0bd6]") != std::string::npos || // PVC
Gpu::Device::deviceName().find("[0x020f]") != std::string::npos) { // ATS
// Disable SIGSEGV handling by default for Intel GPUs, because it is
// currently used by their managed memory implementation with discrete
// GPUs
if (Gpu::Device::deviceVendor().find("Intel") != std::string::npos) {
system::handle_sigsegv = 0;
}
#endif
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15 changes: 15 additions & 0 deletions Src/Base/AMReX_GpuDevice.H
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Expand Up @@ -27,6 +27,7 @@ using gpuDeviceProp_t = cudaDeviceProp;
#elif defined(AMREX_USE_SYCL)
struct gpuDeviceProp_t {
std::string name;
std::string vendor; // SYCL only (inferred for CUDA and HIP)
std::size_t totalGlobalMem;
std::size_t sharedMemPerBlock;
int multiProcessorCount;
Expand Down Expand Up @@ -141,6 +142,20 @@ public:
static int devicePropMinor () noexcept { return device_prop.minor; }
#endif

static std::string deviceVendor() noexcept
{
#if defined(AMREX_USE_HIP) && defined(__HIP_PLATFORM_AMD__)
return std::string("AMD");
#elif defined(AMREX_USE_CUDA) || (defined(AMREX_USE_HIP) && defined(__HIP_PLATFORM_NVIDIA__))
// Using HIP on NVIDIA GPUs isn't currently supported by AMReX
return std::string("NVIDIA");
#elif defined(AMREX_USE_SYCL)
return device_prop.vendor;
#else
return std::string("Unknown");
#endif
}

static std::size_t freeMemAvailable ();
static void profilerStart ();
static void profilerStop ();
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2 changes: 2 additions & 0 deletions Src/Base/AMReX_GpuDevice.cpp
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Expand Up @@ -467,6 +467,7 @@ Device::initialize_gpu ()
{ // device property
auto const& d = *sycl_device;
device_prop.name = d.get_info<sycl::info::device::name>();
device_prop.vendor = d.get_info<sycl::info::device::vendor>();
device_prop.totalGlobalMem = d.get_info<sycl::info::device::global_mem_size>();
device_prop.sharedMemPerBlock = d.get_info<sycl::info::device::local_mem_size>();
device_prop.multiProcessorCount = d.get_info<sycl::info::device::max_compute_units>();
Expand All @@ -489,6 +490,7 @@ Device::initialize_gpu ()
{
amrex::Print() << "Device Properties:\n"
<< " name: " << device_prop.name << "\n"
<< " vendor: " << device_prop.vendor << "\n"
<< " totalGlobalMem: " << device_prop.totalGlobalMem << "\n"
<< " sharedMemPerBlock: " << device_prop.sharedMemPerBlock << "\n"
<< " multiProcessorCount: " << device_prop.multiProcessorCount << "\n"
Expand Down
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