b62faa54de
Currently for windows only, this is an initial commit towards native support of NUMA. Current commit makes it so Cycles will use all logical processors on Windows running on system with more than 64 threads. Reviewers: juicyfruit, dingto, lukasstockner97, maiself, brecht Subscribers: LazyDodo Differential Revision: https://developer.blender.org/D2049
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* Copyright 2011-2016 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __UTIL_WINDOWS_H__
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#define __UTIL_WINDOWS_H__
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#ifdef _WIN32
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#ifndef NOGDI
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# define NOGDI
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#endif
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#ifndef NOMINMAX
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# define NOMINMAX
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#endif
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#ifndef WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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CCL_NAMESPACE_BEGIN
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#if _WIN32_WINNT < 0x0601
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typedef WORD tGetActiveProcessorGroupCount();
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typedef DWORD tGetActiveProcessorCount(WORD GroupNumber);
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typedef BOOL tSetThreadGroupAffinity(HANDLE hThread,
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const GROUP_AFFINITY *GroupAffinity,
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PGROUP_AFFINITY PreviousGroupAffinity);
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extern tGetActiveProcessorGroupCount *GetActiveProcessorGroupCount;
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extern tGetActiveProcessorCount *GetActiveProcessorCount;
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extern tSetThreadGroupAffinity *SetThreadGroupAffinity;
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#endif
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/* Make sure NUMA and processor groups API is initialized. */
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void util_windows_init_numa_groups();
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CCL_NAMESPACE_END
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#endif /* WIN32 */
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#endif /* __UTIL_WINDOWS_H__ */
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