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[SYCL][Graph][DOC] add an edge case for record&replay mode #12916

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Apr 12, 2024
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[SYCL][Graph][DOC] add an edge case for record&replay mode #12916

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[SYCL][Graph][DOC] add an edge case for record&replay mode
guoyejun Mar 6, 2024
948051b
Update sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc
guoyejun Mar 22, 2024
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5 changes: 3 additions & 2 deletions sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc
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Expand Up @@ -275,15 +275,16 @@ been submitted.

| Edge
| An edge in a queue recorded graph is expressed through command group
dependencies in one of two ways. Firstly, through buffer accessors that
dependencies in one of three ways. Firstly, through buffer accessors that
represent data dependencies between two command groups captured as nodes.
Secondly, by using the `handler::depends_on()` mechanism inside a command group
captured as a node. However, for an event passed to `handler::depends_on()` to
create an edge, it must be an event returned from a queue
submission captured by the same graph. Otherwise, a synchronous error will be
thrown with error code `invalid`. `handler::depends_on()` can be
used to express edges when a user is working with USM memory rather than SYCL
buffers.
buffers. Thirdly, for a graph recorded with an in-order queue, an edge is added
automatically between two sequential command groups submitted to the in-order queue.
|===

==== Sub-Graph
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