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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE entry SYSTEM "SamplesInfo.dtd">
<entry >
<name > threadFenceReduction</name>
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<cuda_api_list >
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<toolkit > cudaMemcpy</toolkit>
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<toolkit > cudaFree</toolkit>
<toolkit > cudaDeviceSynchronize</toolkit>
<toolkit > cudaMalloc</toolkit>
<toolkit > cudaGetDeviceProperties</toolkit>
</cuda_api_list>
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<description > <![CDATA[This sample shows how to perform a reduction operation on an array of values using the thread Fence intrinsic to produce a single value in a single kernel (as opposed to two or more kernel calls as shown in the "reduction" CUDA Sample). Single-pass reduction requires global atomic instructions (Compute Capability 2.0 or later) and the _threadfence() intrinsic (CUDA 2.2 or later).]]> </description>
<devicecompilation > whole</devicecompilation>
<includepaths >
<path > ./</path>
<path > ../</path>
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<path > ../../../Common</path>
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</includepaths>
<keyconcepts >
<concept level= "basic" > Cooperative Groups</concept>
<concept level= "advanced" > Data-Parallel Algorithms</concept>
<concept level= "advanced" > Performance Strategies</concept>
</keyconcepts>
<keywords >
<keyword > reduction</keyword>
</keywords>
<libraries >
</libraries>
<librarypaths >
</librarypaths>
<nsight_eclipse > true</nsight_eclipse>
<primary_file > threadFenceReduction.cu</primary_file>
<scopes >
<scope > 1:CUDA Advanced Topics</scope>
<scope > 1:Data-Parallel Algorithms</scope>
<scope > 1:Performance Strategies</scope>
</scopes>
<sm-arch > sm50</sm-arch>
<sm-arch > sm52</sm-arch>
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<sm-arch > sm53</sm-arch>
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<sm-arch > sm60</sm-arch>
<sm-arch > sm61</sm-arch>
<sm-arch > sm70</sm-arch>
<sm-arch > sm72</sm-arch>
<sm-arch > sm75</sm-arch>
<sm-arch > sm80</sm-arch>
<sm-arch > sm86</sm-arch>
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<sm-arch > sm87</sm-arch>
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<sm-arch > sm89</sm-arch>
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<sm-arch > sm90</sm-arch>
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<supported_envs >
<env >
<arch > x86_64</arch>
<platform > linux</platform>
</env>
<env >
<platform > windows7</platform>
</env>
<env >
<arch > x86_64</arch>
<platform > macosx</platform>
</env>
<env >
<arch > arm</arch>
</env>
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<env >
<arch > sbsa</arch>
</env>
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<env >
<arch > ppc64le</arch>
<platform > linux</platform>
</env>
</supported_envs>
<supported_sm_architectures >
<include > all</include>
</supported_sm_architectures>
<title > threadFenceReduction</title>
<type > exe</type>
</entry>
