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1c8f0b8909
* Moved the tz.cpp patch to experimental/tzdb.cpp. * Extended the __config_site patch to a few more files.
33 lines
1.3 KiB
C++
Vendored
33 lines
1.3 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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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#include <__algorithm/min.h>
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#include <__config>
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#include <__pstl/backends/libdispatch.h>
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#include <dispatch/dispatch.h>
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace __pstl::__libdispatch {
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void __dispatch_apply(size_t chunk_count, void* context, void (*func)(void* context, size_t chunk)) noexcept {
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::dispatch_apply_f(chunk_count, DISPATCH_APPLY_AUTO, context, func);
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}
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__chunk_partitions __partition_chunks(ptrdiff_t element_count) noexcept {
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__chunk_partitions partitions;
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partitions.__chunk_count_ = std::max<ptrdiff_t>(1, element_count / 256);
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partitions.__chunk_size_ = element_count / partitions.__chunk_count_;
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partitions.__first_chunk_size_ = element_count - (partitions.__chunk_count_ - 1) * partitions.__chunk_size_;
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if (partitions.__chunk_count_ == 0 && element_count > 0)
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partitions.__chunk_count_ = 1;
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return partitions;
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}
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} // namespace __pstl::__libdispatch
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_LIBCPP_END_NAMESPACE_STD
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