Implement P2300 get_scheduler bridge for parallel_executor#7239
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shivansh023023 wants to merge 1 commit intoTheHPXProject:masterfrom
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Implement P2300 get_scheduler bridge for parallel_executor#7239shivansh023023 wants to merge 1 commit intoTheHPXProject:masterfrom
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Up to standards ✅🟢 Issues
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Can one of the admins verify this patch? |
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- Add executor_scheduler<Executor> adapter (header + module registration) - Add get_scheduler_t tag_invoke to parallel_policy_executor (both flat and hierarchical) - Add get_scheduler_t tag_invoke to sequenced_executor - Add unit tests for both executor_scheduler and parallel_executor_scheduler
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hkaiser
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type: enhancement
type: compatibility issue
category: senders/receivers
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@shivansh023023 Is this a duplicate for #7238? |
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PR Description: Implement P2300
get_schedulerBridge forparallel_executorFixes
This PR continues the effort to modernize HPX executors by providing P2300 (std::execution) support for parallel execution contexts.
Proposed Changes
get_schedulerforparallel_executor: Addedtag_invokeoverloads forhpx::execution::experimental::get_schedulerinparallel_executor.hpp. This supports both the flat and hierarchical parallel policy executors.hpx/executors/executor_scheduler.hppinto the parallel executor module to facilitate the bridge to P2300 schedulers.libs/core/executors/tests/unit/parallel_executor_scheduler.cppto verify that work dispatched viaschedule(get_scheduler(parallel_exec))correctly utilizes the HPX worker thread pool.clang-format.hpx::local::initto ensure compliance with theinspecttool for core modules.This is the second installment of the GSoC 2026 project: "Modernizing HPX Executors for P2300 Compatibility."
While the previous PR handled sequential execution, this PR addresses the multi-threaded use case. By enabling
get_scheduleron theparallel_executor, we allow developers to compose complex P2300 pipelines that automatically scale across all available cores using the underlying HPX thread pool. This is a foundational step for enabling P2300 algorithms (likebulk) to run on HPX distributed systems in the future.Checklist