/// <summary>
/// Setups all required settings.
/// </summary>
private void SetupAccelerator()
{
Bind();
CudaException.ThrowIfFailed(
CurrentAPI.GetDeviceName(out string name, DeviceId));
Name = name;
DefaultStream = new CudaStream(this, IntPtr.Zero);
CudaException.ThrowIfFailed(
CurrentAPI.GetTotalDeviceMemory(out long total, DeviceId));
MemorySize = total;
// Resolve max grid size
MaxGridSize = new Index3(
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_X, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Y, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Z, DeviceId));
// Resolve max group size
MaxGroupSize = new Index3(
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_X, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Y, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Z, DeviceId));
// Resolve max threads per group
MaxNumThreadsPerGroup = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK, DeviceId);
// Resolve max shared memory per block
MaxSharedMemoryPerGroup = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK,
DeviceId);
// Resolve total constant memory
MaxConstantMemory = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_TOTAL_CONSTANT_MEMORY, DeviceId);
// Resolve clock rate
ClockRate = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_CLOCK_RATE, DeviceId);
// Resolve warp size
WarpSize = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_WARP_SIZE, DeviceId);
// Resolve number of multiprocessors
NumMultiprocessors = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT, DeviceId);
// Result max number of threads per multiprocessor
MaxNumThreadsPerMultiprocessor = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_MULTIPROCESSOR,
DeviceId);
// Resolve cache configuration
CudaException.ThrowIfFailed(
CurrentAPI.GetSharedMemoryConfig(out sharedMemoryConfiguration));
CudaException.ThrowIfFailed(
CurrentAPI.GetCacheConfig(out cacheConfiguration));
// Setup architecture and backend
CudaException.ThrowIfFailed(
CurrentAPI.GetDeviceComputeCapability(
out int major,
out int minor,
DeviceId));
Architecture = PTXArchitectureUtils.GetArchitecture(major, minor);
CudaException.ThrowIfFailed(
CurrentAPI.GetDriverVersion(out var driverVersion));
InstructionSet = GetInstructionSet(Architecture, driverVersion);
Init(new PTXBackend(
Context,
Architecture,
InstructionSet));
}
/// <summary>
/// Setups all required settings.
/// </summary>
private void SetupAccelerator()
{
Bind();
CudaException.ThrowIfFailed(
CurrentAPI.GetDeviceName(out string name, DeviceId));
Name = name;
DefaultStream = new CudaStream(this, IntPtr.Zero, false);
CudaException.ThrowIfFailed(
CurrentAPI.GetTotalDeviceMemory(out long total, DeviceId));
MemorySize = total;
// Resolve max grid size
MaxGridSize = new Index3(
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_X, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Y, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Z, DeviceId));
// Resolve max group size
MaxGroupSize = new Index3(
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_X, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Y, DeviceId),
CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Z, DeviceId));
// Resolve max threads per group
MaxNumThreadsPerGroup = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK, DeviceId);
// Resolve max shared memory per block
MaxSharedMemoryPerGroup = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK,
DeviceId);
// Resolve total constant memory
MaxConstantMemory = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_TOTAL_CONSTANT_MEMORY, DeviceId);
// Resolve clock rate
ClockRate = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_CLOCK_RATE, DeviceId) / 1000;
// Resolve memory clock rate
MemoryClockRate = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MEMORY_CLOCK_RATE, DeviceId) / 1000;
// Resolve the bus width
MemoryBusWidth = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_GLOBAL_MEMORY_BUS_WIDTH, DeviceId);
// Resolve warp size
WarpSize = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_WARP_SIZE, DeviceId);
// Resolve number of multiprocessors
NumMultiprocessors = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT, DeviceId);
// Result max number of threads per multiprocessor
MaxNumThreadsPerMultiprocessor = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_MULTIPROCESSOR,
DeviceId);
// Resolve the L2 cache size
L2CacheSize = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_L2_CACHE_SIZE, DeviceId);
// Resolve the maximum amount of shared memory per multiprocessor
MaxSharedMemoryPerMultiprocessor = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_MULTIPROCESSOR,
DeviceId);
// Resolve the total number of registers per multiprocessor
TotalNumRegistersPerMultiprocessor = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_MULTIPROCESSOR,
DeviceId);
// Resolve the total number of registers per group
TotalNumRegistersPerGroup = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK, DeviceId);
// Resolve the max memory pitch
MaxMemoryPitch = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MAX_PITCH, DeviceId);
// Resolve the number of concurrent copy engines
NumConcurrentCopyEngines = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT, DeviceId);
// Resolve whether this device has ECC support
HasECCSupport = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_ECC_ENABLED, DeviceId) != 0;
// Resolve whether this device supports managed memory
SupportsManagedMemory = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_MANAGED_MEMORY, DeviceId) != 0;
// Resolve whether this device supports compute preemption
SupportsComputePreemption = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_COMPUTE_PREEMPTION_SUPPORTED,
DeviceId) != 0;
// Resolve the current driver mode
DriverMode = (DeviceDriverMode)CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_TCC_DRIVER,
DeviceId);
// Resolve the PCI domain id
PCIDomainId = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID,
DeviceId);
// Resolve the PCI device id
PCIBusId = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_PCI_BUS_ID,
DeviceId);
// Resolve the PCI device id
PCIDeviceId = CurrentAPI.GetDeviceAttribute(
DeviceAttribute.CU_DEVICE_ATTRIBUTE_PCI_DEVICE_ID,
DeviceId);
// Resolve cache configuration
CudaException.ThrowIfFailed(
CurrentAPI.GetSharedMemoryConfig(out sharedMemoryConfiguration));
CudaException.ThrowIfFailed(
CurrentAPI.GetCacheConfig(out cacheConfiguration));
// Setup architecture and backend
CudaException.ThrowIfFailed(
CurrentAPI.GetDeviceComputeCapability(
out int major,
out int minor,
DeviceId));
Architecture = PTXArchitectureUtils.GetArchitecture(major, minor);
CudaException.ThrowIfFailed(
CurrentAPI.GetDriverVersion(out var driverVersion));
DriverVersion = driverVersion;
InstructionSet = GetInstructionSet(Architecture, driverVersion);
base.Capabilities = new CudaCapabilityContext(Architecture);
Init(new PTXBackend(
Context,
Capabilities,
Architecture,
InstructionSet));
}