24 lines
780 B
C++
24 lines
780 B
C++
|
// Copyright 2016 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#include "base/task/thread_pool/initialization_util.h"
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
|
||
|
|
#include "base/numerics/ranges.h"
|
||
|
|
#include "base/system/sys_info.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
int RecommendedMaxNumberOfThreadsInThreadGroup(int min,
|
||
|
|
int max,
|
||
|
|
double cores_multiplier,
|
||
|
|
int offset) {
|
||
|
|
const int num_of_cores = SysInfo::NumberOfProcessors();
|
||
|
|
const int threads = std::ceil<int>(num_of_cores * cores_multiplier) + offset;
|
||
|
|
return ClampToRange(threads, min, max);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace base
|