[SYCL][Doc] Add spec to record an event #20309
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Add a proposed extension specification which allows an application to reuse the same event object in multiple command submissions, rather than creating a new event for each submission.
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This PR proposes a new extension that relies on changes in #20308. However, I think the two PRs can be approved and merged separately. Note that this PR (#20309) only proposes a new extension, so it's OK if this proposed extension is merged even before #20308 is implemented. It is only necessary that #20308 be implemented by the time the extension proposed in #20309 is implemented. |
gmlueck
commented
Oct 10, 2025
| This extension adds the ability to reuse the same `event` object in multiple | ||
| command submissions, rather than creating a new event for each submission. | ||
| This pattern may perform better on some implementations because fewer event | ||
| objects need to be created and destroyed. |
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@sergey-semenov are you familiar with the way events are managed in the DPC++ SYCL runtime? If so, I'd be interested in your thoughts on whether this proposed API would allow us to implement events more efficiently. I have an intuition that it will help, but I don't know how the code really works today.
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Add a proposed extension specification which allows an application to reuse the same event object in multiple command submissions, rather than creating a new event for each submission.