Adapting modules of level 39/40 to C++20 modules

[hkaiser]

This includes the HPX modules:

• lcos_distributed
• performance_counters
• distribution_policies

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

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[StellarBot]

Performance test report

HPX Performance

Comparison

BENCHMARK	FORK_JOIN_EXECUTOR	PARALLEL_EXECUTOR	SCHEDULER_EXECUTOR
For Each	(=)	(=)	(=)

Info

Property	Before	After
HPX Datetime	2026-03-09T14:08:29+00:00	2026-05-23T10:59:19+00:00
HPX Commit	0eeca86	8489b5f
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2026-03-09T09:15:24.034803-05:00	2026-05-24T17:50:40.079719-05:00
Clustername	rostam	rostam
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile

Comparison

BENCHMARK	NO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch	++

Info

Property	Before	After
HPX Datetime	2026-03-09T14:08:29+00:00	2026-05-23T10:59:19+00:00
HPX Commit	0eeca86	8489b5f
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2026-03-09T09:17:15.638328-05:00	2026-05-24T17:52:47.625630-05:00
Clustername	rostam	rostam
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile

Comparison

BENCHMARK	FORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATOR	PARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATOR	SCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add	(=)	(=)	--
Stream Benchmark - Scale	(=)	--	-
Stream Benchmark - Triad	(=)	-	--
Stream Benchmark - Copy	(=)	+++	++

Info

Property	Before	After
HPX Datetime	2026-03-09T18:50:37+00:00	2026-05-23T10:59:19+00:00
HPX Commit	ba89f5d	8489b5f
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2026-03-09T17:49:10.837937-05:00	2026-05-24T17:53:32.732267-05:00
Clustername	rostam	rostam
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile

Explanation of Symbols

Symbol	MEANING
=	No performance change (confidence interval within ±1%)
(=)	Probably no performance change (confidence interval within ±2%)
(+)/(-)	Very small performance improvement/degradation (≤1%)
+/-	Small performance improvement/degradation (≤5%)
++/--	Large performance improvement/degradation (≤10%)
+++/---	Very large performance improvement/degradation (>10%)
?	Probably no change, but quite large uncertainty (confidence interval with ±5%)
??	Unclear result, very large uncertainty (±10%)
???	Something unexpected…