diff options
Diffstat (limited to 'intern/cycles/device/hip/device.cpp')
| -rw-r--r-- | intern/cycles/device/hip/device.cpp | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/intern/cycles/device/hip/device.cpp b/intern/cycles/device/hip/device.cpp new file mode 100644 index 00000000000..90028ac7f10 --- /dev/null +++ b/intern/cycles/device/hip/device.cpp @@ -0,0 +1,276 @@ +/* + * Copyright 2011-2021 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "device/hip/device.h" + +#include "util/util_logging.h" + +#ifdef WITH_HIP +# include "device/device.h" +# include "device/hip/device_impl.h" + +# include "util/util_string.h" +# include "util/util_windows.h" +#endif /* WITH_HIP */ + +CCL_NAMESPACE_BEGIN + +bool device_hip_init() +{ +#if !defined(WITH_HIP) + return false; +#elif defined(WITH_HIP_DYNLOAD) + static bool initialized = false; + static bool result = false; + + if (initialized) + return result; + + initialized = true; + int hipew_result = hipewInit(HIPEW_INIT_HIP); + if (hipew_result == HIPEW_SUCCESS) { + VLOG(1) << "HIPEW initialization succeeded"; + if (HIPDevice::have_precompiled_kernels()) { + VLOG(1) << "Found precompiled kernels"; + result = true; + } + else if (hipewCompilerPath() != NULL) { + VLOG(1) << "Found HIPCC " << hipewCompilerPath(); + result = true; + } + else { + VLOG(1) << "Neither precompiled kernels nor HIPCC was found," + << " unable to use HIP"; + } + } + else { + VLOG(1) << "HIPEW initialization failed: " + << ((hipew_result == HIPEW_ERROR_ATEXIT_FAILED) ? "Error setting up atexit() handler" : + "Error opening the library"); + } + + return result; +#else /* WITH_HIP_DYNLOAD */ + return true; +#endif /* WITH_HIP_DYNLOAD */ +} + +Device *device_hip_create(const DeviceInfo &info, Stats &stats, Profiler &profiler) +{ +#ifdef WITH_HIP + return new HIPDevice(info, stats, profiler); +#else + (void)info; + (void)stats; + (void)profiler; + + LOG(FATAL) << "Request to create HIP device without compiled-in support. Should never happen."; + + return nullptr; +#endif +} + +#ifdef WITH_HIP +static hipError_t device_hip_safe_init() +{ +# ifdef _WIN32 + __try { + return hipInit(0); + } + __except (EXCEPTION_EXECUTE_HANDLER) { + /* Ignore crashes inside the HIP driver and hope we can + * survive even with corrupted HIP installs. */ + fprintf(stderr, "Cycles HIP: driver crashed, continuing without HIP.\n"); + } + + return hipErrorNoDevice; +# else + return hipInit(0); +# endif +} +#endif /* WITH_HIP */ + +void device_hip_info(vector<DeviceInfo> &devices) +{ +#ifdef WITH_HIP + hipError_t result = device_hip_safe_init(); + if (result != hipSuccess) { + if (result != hipErrorNoDevice) + fprintf(stderr, "HIP hipInit: %s\n", hipewErrorString(result)); + return; + } + + int count = 0; + result = hipGetDeviceCount(&count); + if (result != hipSuccess) { + fprintf(stderr, "HIP hipGetDeviceCount: %s\n", hipewErrorString(result)); + return; + } + + vector<DeviceInfo> display_devices; + + for (int num = 0; num < count; num++) { + char name[256]; + + result = hipDeviceGetName(name, 256, num); + if (result != hipSuccess) { + fprintf(stderr, "HIP :hipDeviceGetName: %s\n", hipewErrorString(result)); + continue; + } + + int major; + hipDeviceGetAttribute(&major, hipDeviceAttributeComputeCapabilityMajor, num); + // TODO : (Arya) What is the last major version we are supporting? + + DeviceInfo info; + + info.type = DEVICE_HIP; + info.description = string(name); + info.num = num; + + info.has_half_images = (major >= 3); + info.has_nanovdb = true; + info.denoisers = 0; + + info.has_gpu_queue = true; + /* Check if the device has P2P access to any other device in the system. */ + for (int peer_num = 0; peer_num < count && !info.has_peer_memory; peer_num++) { + if (num != peer_num) { + int can_access = 0; + hipDeviceCanAccessPeer(&can_access, num, peer_num); + info.has_peer_memory = (can_access != 0); + } + } + + int pci_location[3] = {0, 0, 0}; + hipDeviceGetAttribute(&pci_location[0], hipDeviceAttributePciDomainID, num); + hipDeviceGetAttribute(&pci_location[1], hipDeviceAttributePciBusId, num); + hipDeviceGetAttribute(&pci_location[2], hipDeviceAttributePciDeviceId, num); + info.id = string_printf("HIP_%s_%04x:%02x:%02x", + name, + (unsigned int)pci_location[0], + (unsigned int)pci_location[1], + (unsigned int)pci_location[2]); + + /* If device has a kernel timeout and no compute preemption, we assume + * it is connected to a display and will freeze the display while doing + * computations. */ + int timeout_attr = 0, preempt_attr = 0; + hipDeviceGetAttribute(&timeout_attr, hipDeviceAttributeKernelExecTimeout, num); + + if (timeout_attr && !preempt_attr) { + VLOG(1) << "Device is recognized as display."; + info.description += " (Display)"; + info.display_device = true; + display_devices.push_back(info); + } + else { + VLOG(1) << "Device has compute preemption or is not used for display."; + devices.push_back(info); + } + VLOG(1) << "Added device \"" << name << "\" with id \"" << info.id << "\"."; + } + + if (!display_devices.empty()) + devices.insert(devices.end(), display_devices.begin(), display_devices.end()); +#else /* WITH_HIP */ + (void)devices; +#endif /* WITH_HIP */ +} + +string device_hip_capabilities() +{ +#ifdef WITH_HIP + hipError_t result = device_hip_safe_init(); + if (result != hipSuccess) { + if (result != hipErrorNoDevice) { + return string("Error initializing HIP: ") + hipewErrorString(result); + } + return "No HIP device found\n"; + } + + int count; + result = hipGetDeviceCount(&count); + if (result != hipSuccess) { + return string("Error getting devices: ") + hipewErrorString(result); + } + + string capabilities = ""; + for (int num = 0; num < count; num++) { + char name[256]; + if (hipDeviceGetName(name, 256, num) != hipSuccess) { + continue; + } + capabilities += string("\t") + name + "\n"; + int value; +# define GET_ATTR(attr) \ + { \ + if (hipDeviceGetAttribute(&value, hipDeviceAttribute##attr, num) == hipSuccess) { \ + capabilities += string_printf("\t\thipDeviceAttribute" #attr "\t\t\t%d\n", value); \ + } \ + } \ + (void)0 + /* TODO(sergey): Strip all attributes which are not useful for us + * or does not depend on the driver. + */ + GET_ATTR(MaxThreadsPerBlock); + GET_ATTR(MaxBlockDimX); + GET_ATTR(MaxBlockDimY); + GET_ATTR(MaxBlockDimZ); + GET_ATTR(MaxGridDimX); + GET_ATTR(MaxGridDimY); + GET_ATTR(MaxGridDimZ); + GET_ATTR(MaxSharedMemoryPerBlock); + GET_ATTR(TotalConstantMemory); + GET_ATTR(WarpSize); + GET_ATTR(MaxPitch); + GET_ATTR(MaxRegistersPerBlock); + GET_ATTR(ClockRate); + GET_ATTR(TextureAlignment); + GET_ATTR(MultiprocessorCount); + GET_ATTR(KernelExecTimeout); + GET_ATTR(Integrated); + GET_ATTR(CanMapHostMemory); + GET_ATTR(ComputeMode); + GET_ATTR(MaxTexture1DWidth); + GET_ATTR(MaxTexture2DWidth); + GET_ATTR(MaxTexture2DHeight); + GET_ATTR(MaxTexture3DWidth); + GET_ATTR(MaxTexture3DHeight); + GET_ATTR(MaxTexture3DDepth); + GET_ATTR(ConcurrentKernels); + GET_ATTR(EccEnabled); + GET_ATTR(MemoryClockRate); + GET_ATTR(MemoryBusWidth); + GET_ATTR(L2CacheSize); + GET_ATTR(MaxThreadsPerMultiProcessor); + GET_ATTR(ComputeCapabilityMajor); + GET_ATTR(ComputeCapabilityMinor); + GET_ATTR(MaxSharedMemoryPerMultiprocessor); + GET_ATTR(ManagedMemory); + GET_ATTR(IsMultiGpuBoard); +# undef GET_ATTR + capabilities += "\n"; + } + + return capabilities; + +#else /* WITH_HIP */ + return ""; +#endif /* WITH_HIP */ +} + +CCL_NAMESPACE_END |