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Investigate performance of matches_any_publishers() when enabling intraprocess #3067

@mini-1235

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@mini-1235

Related to https://discourse.openrobotics.org/t/performance-characteristics-subscription-callback-signatures-rmw-implementation-intra-process-communication-ipc/51454/9?u=mini-1235

From the flamegraphs, it seems like rclcpp::experimental::IntraProcessManager::matches_any_publishers has a non-trivial overhead, it would be interesting to investigate whether this can be optimized

Opening this issue to make sure it's not forgotten, more background and discussion can be found in the original post linked above

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