163 lines
9.3 KiB
HTML
163 lines
9.3 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>并行扩展，版本 2</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_experimental_parallelism_2 skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading">并行扩展，版本 2</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-experimental.html">experimental</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<p>并行的 C++ 扩展版本 2 （ The C++ Extensions for Parallelism Version 2 ）， ISO/IEC TS 19570:2018 为 C++ 标准库定义下列新组件：</p>
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<h3><span class="mw-headline" id=".E5.B9.B6.E8.A1.8C.E5.BC.82.E5.B8.B8">并行异常</span></h3>
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<table class="t-dsc-begin">
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/exception_list&action=edit&redlink=1" class="new" title="cpp/header/experimental/exception list（页面不存在）"><experimental/exception_list></a></code></div>
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</td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/exception_list&action=edit&redlink=1" class="new" title="cpp/experimental/exception list（页面不存在）"><span class="t-lines"><span>exception_list</span></span></a></div>
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</div>
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</td>
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<td>并行执行期间引发的异常<br />
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<span class="t-mark">(类)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E6.89.A7.E8.A1.8C.E7.AD.96.E7.95.A5">执行策略</span></h3>
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<table class="t-dsc-begin">
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/execution_policy&action=edit&redlink=1" class="new" title="cpp/header/experimental/execution policy（页面不存在）"><experimental/execution_policy></a></code></div>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/execution_policy_tag_t_v2&action=edit&redlink=1" class="new" title="cpp/experimental/execution policy tag t v2（页面不存在）"><span class="t-lines"><span>unsequenced_policy</span><span>vector_policy</span></span></a></div>
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</div>
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</td>
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<td>执行策略类型<br />
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<span class="t-mark">(类)</span></td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/execution_policy_tag_v2&action=edit&redlink=1" class="new" title="cpp/experimental/execution policy tag v2（页面不存在）"><span class="t-lines"><span>unseq</span><span>vec</span></span></a></div>
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</div>
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</td>
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<td>全局执行策略对象<br />
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<span class="t-mark">(常量)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.B9.B6.E8.A1.8C.E7.AE.97.E6.B3.95">并行算法</span></h3>
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<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
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<td class="mbox-empty-cell"></td>
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<td class="mbox-text" style="">本节未完成</td>
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</table>
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<h3><span class="mw-headline" id=".E4.BB.BB.E5.8A.A1.E5.9D.97">任务块</span></h3>
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<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
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<td class="mbox-empty-cell"></td>
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<td class="mbox-text" style="">本节未完成</td>
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<h3><span class="mw-headline" id=".E6.95.B0.E6.8D.AE.E5.B9.B6.E8.A1.8C.E7.B1.BB.E5.9E.8B"><a href="cpp-experimental-simd.html">数据并行类型</a></span></h3>
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<table class="t-dsc-begin">
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<div><a href="cpp-experimental-simd-simd.html"><span class="t-lines"><span>simd</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-parallelism-ts-2 t-mark-ts">(并行 TS v2)</span></span></span></div>
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</td>
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<td>数据并行向量类型<br />
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<span class="t-mark">(类模板)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-experimental-simd-simd_mask.html"><span class="t-lines"><span>simd_mask</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-parallelism-ts-2 t-mark-ts">(并行 TS v2)</span></span></span></div>
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</div>
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</td>
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<td>元素类型为 bool 的数据并行类型<br />
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<span class="t-mark">(类模板)</span></td>
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</table>
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<h3><span class="mw-headline" id=".E7.89.B9.E6.80.A7.E6.B5.8B.E8.AF.95.E5.AE.8F">特性测试宏</span></h3>
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<table class="t-dsc-begin">
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/task_block&action=edit&redlink=1" class="new" title="cpp/header/experimental/task block（页面不存在）"><experimental/task_block></a></code></div>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><span class="t-lines"><span>__cpp_lib_experimental_parallel_task_block</span></span></div>
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</div>
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</td>
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<td>至少为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">201711</span></span></span> 的值，指示支持任务块功能<br />
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<span class="t-mark">(宏常量)</span></td>
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/execution&action=edit&redlink=1" class="new" title="cpp/header/experimental/execution（页面不存在）"><experimental/execution></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><span class="t-lines"><span>__cpp_lib_experimental_execution_vector_policy</span></span></div>
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</td>
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<td>至少为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">201711</span></span></span> 的值，指示支持向量和波前策略<br />
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<span class="t-mark">(宏常量)</span></td>
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/algorithm&action=edit&redlink=1" class="new" title="cpp/header/experimental/algorithm（页面不存在）"><experimental/algorithm></a></code></div>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><span class="t-lines"><span>__cpp_lib_experimental_parallel_for_loop</span></span></div>
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</div>
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</td>
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<td>至少为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">201711</span></span></span> 的值，指示支持 <code>for_loop</code> 类的算法<br />
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<span class="t-mark">(宏常量)</span></td>
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/simd&action=edit&redlink=1" class="new" title="cpp/header/experimental/simd（页面不存在）"><experimental/simd></a></code></div>
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</td>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><span class="t-lines"><span>__cpp_lib_experimental_parallel_simd</span></span></div>
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</div>
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</td>
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<td>至少为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">201803</span></span></span> 的值，指示支持数据并行类型库<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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</table>
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</div>
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<div class="visualClear"></div>
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</div>
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