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authorGeorgios Pinitas <georgios.pinitas@arm.com>2018-02-01 20:23:25 +0000
committerAnthony Barbier <anthony.barbier@arm.com>2018-11-02 16:45:42 +0000
commit53d12277563f860852532ace2a6c796384d969dd (patch)
treee445c005cecea4f44cb2ab51abce82a66181c166 /arm_compute/runtime/IScheduler.h
parentb7e3028a2bf81ca247895b8550f5a5da02d2483e (diff)
downloadComputeLibrary-53d12277563f860852532ace2a6c796384d969dd.tar.gz
COMPMID-874: Improve default number of threads choice in the Scheduler
Change-Id: Ia30ec2afce0aafcd39f41440efb972b18bbda9f8 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/118657 Reviewed-by: Anthony Barbier <anthony.barbier@arm.com> Tested-by: Jenkins <bsgcomp@arm.com> Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Diffstat (limited to 'arm_compute/runtime/IScheduler.h')
-rw-r--r--arm_compute/runtime/IScheduler.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arm_compute/runtime/IScheduler.h b/arm_compute/runtime/IScheduler.h
index 8918843c98..1dd7c2cfb2 100644
--- a/arm_compute/runtime/IScheduler.h
+++ b/arm_compute/runtime/IScheduler.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
@@ -70,9 +70,20 @@ public:
* @return CPU info.
*/
CPUInfo cpu_info() const;
+ /** Get a hint for the best possible number of execution threads
+ *
+ * @warning In case we can't work out the best number of threads,
+ * std::thread::hardware_concurrency() is returned else 1 in case of bare metal builds
+ *
+ * @return Best possible number of execution threads to use
+ */
+ unsigned int num_threads_hint() const;
protected:
CPUInfo _info{};
+
+private:
+ unsigned int _num_threads_hint = {};
};
}
#endif /* __ARM_COMPUTE_ISCHEDULER_H__ */