From 488916bcffccc66a1430566a762d94e460f8442a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?F=C3=A1bio=20Mestre?= Date: Thu, 4 Jul 2024 13:42:17 +0100 Subject: [PATCH] [SYCL][Graph] Add implicit queue recording mechanism --- .../experimental/sycl_ext_oneapi_graph.asciidoc | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc b/sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc index a8cab9bdb1be6..264b753491f8c 100644 --- a/sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc +++ b/sycl/doc/extensions/experimental/sycl_ext_oneapi_graph.asciidoc @@ -1442,7 +1442,7 @@ The alternative `queue_state::recording` state is used for graph construction. Instead of being scheduled for execution, command-groups submitted to the queue are recorded to a graph object as new nodes for each submission. After recording has finished and the queue returns to the executing state, the recorded commands are -not then executed, they are transparent to any following queue operations. The state +not executed, they are transparent to any following queue operations. The state of a queue can be queried with `queue::ext_oneapi_get_state()`. .Queue State Diagram @@ -1453,7 +1453,18 @@ graph LR Recording -->|End Recording| Executing .... -==== Queue Properties +==== Implicit Queue Recording + +Submitting a command-group to a queue can implicitly change its state +to `queue_state::recording`. This will occur when the command-group depends on +an event that has been returned by a queue in the recording state. + +A queue whose state has been set to `queue_state::recording` using this +mechanism, will behave as if it had been passed as an argument to +`command_graph::begin_recording()`. In particular, its state will not +change again until `command_graph::end_recording()` is called. + +==== Queue Properties; :queue-properties: https://registry.khronos.org/SYCL/specs/sycl-2020/html/sycl-2020.html#sec:queue-properties