Fix incorrect signature of distributed API functions

[dimitraka]

Fix incorrect signature of collectives::all_to_all and collectives::gather_there.

Towards resolving #6544

Also update hpx::finalize documentation.

[StellarBot]

Performance test report

HPX Performance

Comparison

BENCHMARK	FORK_JOIN_EXECUTOR	PARALLEL_EXECUTOR	SCHEDULER_EXECUTOR
For Each	--	--	--

Info

Property	Before	After
HPX Datetime	2024-03-18T14:00:30+00:00	2024-09-15T17:16:50+00:00
HPX Commit	d27ac2e	5fe9dd9
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2024-03-18T09:18:04.949759-05:00	2024-09-15T12:25:03.951161-05:00
Compiler	/opt/apps/llvm/13.0.1/bin/clang++ 13.0.1	/opt/apps/llvm/18.1.5/bin/clang++ 18.1.5
Clustername	rostam	rostam

Comparison

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

Info

Property	Before	After
HPX Datetime	2024-03-18T14:00:30+00:00	2024-09-15T17:16:50+00:00
HPX Commit	d27ac2e	5fe9dd9
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2024-03-18T09:19:53.062988-05:00	2024-09-15T12:26:53.532273-05:00
Compiler	/opt/apps/llvm/13.0.1/bin/clang++ 13.0.1	/opt/apps/llvm/18.1.5/bin/clang++ 18.1.5
Clustername	rostam	rostam

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	2024-03-18T14:00:30+00:00	2024-09-15T17:16:50+00:00
HPX Commit	d27ac2e	5fe9dd9
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Datetime	2024-03-18T09:20:13.002391-05:00	2024-09-15T12:27:11.321465-05:00
Compiler	/opt/apps/llvm/13.0.1/bin/clang++ 13.0.1	/opt/apps/llvm/18.1.5/bin/clang++ 18.1.5
Clustername	rostam	rostam

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…

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.41%	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (f4ff6e8)	232431	198777	85.52%
Head commit (cec3237)	190892 (-41539)	162476 (-36301)	85.11% (-0.41%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#6546)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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