| //===--- Configuration.h - OpenMP device configuration interface -- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // API to query the global (constant) device environment. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef OMPTARGET_CONFIGURATION_H |
| #define OMPTARGET_CONFIGURATION_H |
| |
| #include "Shared/Environment.h" |
| |
| #include "Types.h" |
| |
| namespace ompx { |
| namespace config { |
| |
| /// Return the number of devices in the system, same number as returned on the |
| /// host by omp_get_num_devices. |
| uint32_t getNumDevices(); |
| |
| /// Return the device number in the system for omp_get_device_num. |
| uint32_t getDeviceNum(); |
| |
| /// Return the user choosen debug level. |
| uint32_t getDebugKind(); |
| |
| /// Return if teams oversubscription is assumed |
| uint32_t getAssumeTeamsOversubscription(); |
| |
| /// Return if threads oversubscription is assumed |
| uint32_t getAssumeThreadsOversubscription(); |
| |
| /// Return the amount of dynamic shared memory that was allocated at launch. |
| uint64_t getDynamicMemorySize(); |
| |
| /// Returns the cycles per second of the device's fixed frequency clock. |
| uint64_t getClockFrequency(); |
| |
| /// Returns the pointer to the beginning of the indirect call table. |
| void *getIndirectCallTablePtr(); |
| |
| /// Returns the size of the indirect call table. |
| uint64_t getIndirectCallTableSize(); |
| |
| /// Returns the size of the indirect call table. |
| uint64_t getHardwareParallelism(); |
| |
| /// Return if debugging is enabled for the given debug kind. |
| bool isDebugMode(DeviceDebugKind Level); |
| |
| /// Indicates if this kernel may require thread-specific states, or if it was |
| /// explicitly disabled by the user. |
| bool mayUseThreadStates(); |
| |
| /// Indicates if this kernel may require data environments for nested |
| /// parallelism, or if it was explicitly disabled by the user. |
| bool mayUseNestedParallelism(); |
| |
| } // namespace config |
| } // namespace ompx |
| |
| #endif |