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