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Merge pull request #20119 from TolyaTalamanov:at/compile-arg-for-queue-capacity

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* Support queue capacity as graph compilation argument

* Fix comments to review

* Fix comments to review

* Fix comments to review
This commit is contained in:
Anatoliy Talamanov
2021-05-24 21:48:23 +03:00
committed by GitHub
parent 1e1ddd3279
commit b67c0e5f4a
4 changed files with 94 additions and 28 deletions
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modules/gapi/src/executor/gstreamingexecutor.cpp
+10 -7
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@@ -1126,14 +1126,17 @@ cv::gimpl::GStreamingExecutor::GStreamingExecutor(std::unique_ptr<ade::Graph> &&
m_sink_queues .resize(proto.out_nhs.size(), nullptr);
m_sink_sync .resize(proto.out_nhs.size(), -1);
// Very rough estimation to limit internal queue sizes.
// Very rough estimation to limit internal queue sizes if not specified by the user.
// Pipeline depth is equal to number of its (pipeline) steps.
const auto queue_capacity = 3*std::count_if
(m_gim.nodes().begin(),
m_gim.nodes().end(),
[&](ade::NodeHandle nh) {
return m_gim.metadata(nh).get<NodeKind>().k == NodeKind::ISLAND;
});
auto has_queue_capacity = cv::gapi::getCompileArg<cv::gapi::streaming::queue_capacity>(m_comp_args);
const auto queue_capacity = has_queue_capacity ? has_queue_capacity->capacity :
3*std::count_if
(m_gim.nodes().begin(),
m_gim.nodes().end(),
[&](ade::NodeHandle nh) {
return m_gim.metadata(nh).get<NodeKind>().k == NodeKind::ISLAND;
});
GAPI_Assert(queue_capacity != 0u);
auto sync_policy = cv::gimpl::getCompileArg<cv::gapi::streaming::sync_policy>(m_comp_args)
.value_or(cv::gapi::streaming::sync_policy::dont_sync);