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< a href = "#func-members" > Functions< / a > < / div >
< div class = "headertitle" >
< div class = "title" > Stream Management< div class = "ingroups" > < a class = "el" href = "group__API.html" > HIP API< / a > < / div > < / div > < / div >
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< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:gaf2382e3cc6632332a8983a0f58e43494" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#gaf2382e3cc6632332a8983a0f58e43494" > hipStreamCreateWithFlags< / a > (hipStream_t *stream, unsigned int flags)< / td > < / tr >
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< tr class = "memdesc:gaf2382e3cc6632332a8983a0f58e43494" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Create an asynchronous stream. < a href = "#gaf2382e3cc6632332a8983a0f58e43494" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gaf2382e3cc6632332a8983a0f58e43494" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:gaff5b62d6e9502d80879f7176f4d03102" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#gaff5b62d6e9502d80879f7176f4d03102" > hipStreamCreate< / a > (hipStream_t *stream)< / td > < / tr >
< tr class = "memdesc:gaff5b62d6e9502d80879f7176f4d03102" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Create an asynchronous stream. < a href = "#gaff5b62d6e9502d80879f7176f4d03102" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gaff5b62d6e9502d80879f7176f4d03102" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:gacdd84c8f8ef1539c96c57c1d5bcae633" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#gacdd84c8f8ef1539c96c57c1d5bcae633" > hipStreamWaitEvent< / a > (hipStream_t stream, < a class = "el" href = "structhipEvent__t.html" > hipEvent_t< / a > event, unsigned int flags)< / td > < / tr >
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< tr class = "memdesc:gacdd84c8f8ef1539c96c57c1d5bcae633" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Make the specified compute stream wait for an event. < a href = "#gacdd84c8f8ef1539c96c57c1d5bcae633" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gacdd84c8f8ef1539c96c57c1d5bcae633" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:gabbfb9f573a6ebe8c478605ecb5504a74" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#gabbfb9f573a6ebe8c478605ecb5504a74" > hipStreamSynchronize< / a > (hipStream_t stream)< / td > < / tr >
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< tr class = "memdesc:gabbfb9f573a6ebe8c478605ecb5504a74" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Wait for all commands in stream to complete. < a href = "#gabbfb9f573a6ebe8c478605ecb5504a74" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gabbfb9f573a6ebe8c478605ecb5504a74" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:ga3076a3499ed2c7821311006100bb95ec" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#ga3076a3499ed2c7821311006100bb95ec" > hipStreamDestroy< / a > (hipStream_t stream)< / td > < / tr >
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< tr class = "memdesc:ga3076a3499ed2c7821311006100bb95ec" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Destroys the specified stream. < a href = "#ga3076a3499ed2c7821311006100bb95ec" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga3076a3499ed2c7821311006100bb95ec" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:ga3249555a26439591b8873f70b39bb116" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "group__Stream.html#ga3249555a26439591b8873f70b39bb116" > hipStreamGetFlags< / a > (hipStream_t stream, unsigned int *flags)< / td > < / tr >
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< tr class = "memdesc:ga3249555a26439591b8873f70b39bb116" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Return flags associated with this stream. < a href = "#ga3249555a26439591b8873f70b39bb116" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga3249555a26439591b8873f70b39bb116" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< h2 > ----------------------------------------------------------------------------------------------— < / h2 >
< p > The following Stream APIs are not (yet) supported in HIP:< / p >
< ul >
< li > cudaStreamCreateWithPriority< / li >
< li > cudaStreamGetPriority < / li >
< / ul >
< h2 class = "groupheader" > Function Documentation< / h2 >
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< a class = "anchor" id = "gaff5b62d6e9502d80879f7176f4d03102" > < / a >
< div class = "memitem" >
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< tr >
< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamCreate < / td >
< td > (< / td >
< td class = "paramtype" > hipStream_t *  < / td >
< td class = "paramname" > < em > stream< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Create an asynchronous stream. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > stream< / td > < td > Valid pointer to hipStream_t. This function writes the memory with the newly created stream. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a1e8215fe1108a508bad3944bce7b4d83" title = "One or more of the parameters passed to the API call is NULL or not in an acceptable range..." > hipErrorInvalidValue< / a > < / dd > < / dl >
< p > Create a new asynchronous stream. < code > stream< / code > returns an opaque handle that can be used to reference the newly created stream in subsequent hipStream* commands. The stream is allocated on the heap and will remain allocated even if the handle goes out-of-scope. To release the memory used by the stream, applicaiton must call hipStreamDestroy.< / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "group__Stream.html#ga3076a3499ed2c7821311006100bb95ec" title = "Destroys the specified stream. " > hipStreamDestroy< / a > < / dd > < / dl >
< / div >
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< a class = "anchor" id = "gaf2382e3cc6632332a8983a0f58e43494" > < / a >
< div class = "memitem" >
< div class = "memproto" >
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< tr >
< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamCreateWithFlags < / td >
< td > (< / td >
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< td class = "paramtype" > hipStream_t *  < / td >
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< td class = "paramname" > < em > stream< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > unsigned int  < / td >
< td class = "paramname" > < em > flags< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Create an asynchronous stream. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > stream< / td > < td > Pointer to new stream < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > flags< / td > < td > to control stream creation. < / td > < / tr >
< / table >
< / dd >
< / dl >
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< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a1e8215fe1108a508bad3944bce7b4d83" title = "One or more of the parameters passed to the API call is NULL or not in an acceptable range..." > hipErrorInvalidValue< / a > < / dd > < / dl >
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< p > Create a new asynchronous stream. < code > stream< / code > returns an opaque handle that can be used to reference the newly created stream in subsequent hipStream* commands. The stream is allocated on the heap and will remain allocated< / p >
< p > even if the handle goes out-of-scope. To release the memory used by the stream, applicaiton must call hipStreamDestroy. Flags controls behavior of the stream. See < a class = "el" href = "group__GlobalDefs.html#ga6df5f70eb976836ab3598cacf0ffcdf9" title = "Flags that can be used with hipStreamCreateWithFlags. " > hipStreamDefault< / a > , < a class = "el" href = "group__GlobalDefs.html#gaaba9ae995d9b43b7d1ee70c6fa12c57d" title = "Stream does not implicitly synchronize with null stream. " > hipStreamNonBlocking< / a > . hipStream_t are under development - with current HIP use the NULL stream. < / p >
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< / div >
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< a class = "anchor" id = "ga3076a3499ed2c7821311006100bb95ec" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamDestroy < / td >
< td > (< / td >
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< td class = "paramtype" > hipStream_t  < / td >
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< td class = "paramname" > < em > stream< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Destroys the specified stream. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > stream< / td > < td > Valid pointer to hipStream_t. This function writes the memory with the newly created stream. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > < / dd > < / dl >
< p > Destroys the specified stream.< / p >
< p > If commands are still executing on the specified stream, some may complete execution before the queue is deleted.< / p >
< p > The queue may be destroyed while some commands are still inflight, or may wait for all commands queued to the stream before destroying it.< / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a88e525a7c8f35552dfada58e9f2f6d3a" title = "Resource handle (hipEvent_t or hipStream_t) invalid. " > hipErrorInvalidResourceHandle< / a > < / dd > < / dl >
< / div >
< / div >
< a class = "anchor" id = "ga3249555a26439591b8873f70b39bb116" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamGetFlags < / td >
< td > (< / td >
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< td class = "paramtype" > hipStream_t  < / td >
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< td class = "paramname" > < em > stream< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > unsigned int *  < / td >
< td class = "paramname" > < em > flags< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Return flags associated with this stream. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > stream< / td > < td > < / td > < / tr >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > flags< / td > < td > < / td > < / tr >
< / table >
< / dd >
< / dl >
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< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a1e8215fe1108a508bad3944bce7b4d83" title = "One or more of the parameters passed to the API call is NULL or not in an acceptable range..." > hipErrorInvalidValue< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a88e525a7c8f35552dfada58e9f2f6d3a" title = "Resource handle (hipEvent_t or hipStream_t) invalid. " > hipErrorInvalidResourceHandle< / a > < / dd > < / dl >
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< p > Return flags associated with this stream in *< code > flags< / code > .< / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "group__Stream.html#gaf2382e3cc6632332a8983a0f58e43494" title = "Create an asynchronous stream. " > hipStreamCreateWithFlags< / a > < / dd > < / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > < / dd > < / dl >
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< a class = "anchor" id = "gabbfb9f573a6ebe8c478605ecb5504a74" > < / a >
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< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamSynchronize < / td >
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< td class = "paramtype" > hipStream_t  < / td >
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< td class = "paramname" > < em > stream< / em > < / td > < td > )< / td >
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< p > Wait for all commands in stream to complete. < / p >
< p > If the null stream is specified, this command blocks until all< / p >
< p > This command honors the hipDeviceLaunchBlocking flag, which controls whether the wait is active or blocking.< / p >
< p > This command is host-synchronous : the host will block until the stream is empty.< / p >
< p > TODO < / p >
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< td class = "memname" > < a class = "el" href = "group__GlobalDefs.html#gadf5010f6e140a53ecbdf949e73e87594" > hipError_t< / a > hipStreamWaitEvent < / td >
< td > (< / td >
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< td class = "paramtype" > hipStream_t  < / td >
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< td class = "paramname" > < em > stream< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > < a class = "el" href = "structhipEvent__t.html" > hipEvent_t< / a >   < / td >
< td class = "paramname" > < em > event< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > unsigned int  < / td >
< td class = "paramname" > < em > flags< / em >   < / td >
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< p > Make the specified compute stream wait for an event. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > stream< / td > < td > stream to make wait. < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > event< / td > < td > event to wait on < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > flags< / td > < td > control operation [must be 0]< / td > < / tr >
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< dl class = "section return" > < dt > Returns< / dt > < dd > < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594aadfbdb847b149723c684ebd764556063" title = "Successful completion. " > hipSuccess< / a > , < a class = "el" href = "group__GlobalDefs.html#ggadf5010f6e140a53ecbdf949e73e87594a88e525a7c8f35552dfada58e9f2f6d3a" title = "Resource handle (hipEvent_t or hipStream_t) invalid. " > hipErrorInvalidResourceHandle< / a > < / dd > < / dl >
< p > This function inserts a wait operation into the specified stream. All future work submitted to < code > stream< / code > will wait until < code > event< / code > reports completion before beginning execution. This function is host-asynchronous and the function may return before the wait has completed.< / p >
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< dl class = "bug" > < dt > < b > < a class = "el" href = "bug.html#_bug000004" > Bug:< / a > < / b > < / dt > < dd > This function conservatively waits for all work in the specified stream to complete. < / dd > < / dl >
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Generated on Sat Apr 16 2016 14:52:10 for HIP: Heterogenous-computing Interface for Portability by   < a href = "http://www.doxygen.org/index.html" >
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