Fixing zip_iterator::operator[]() to agree with gcc 16 std::sort by hkaiser · Pull Request #6868 · STEllAR-GROUP/hpx

hkaiser · 2026-01-31T20:07:08Z

StellarBot · 2026-02-01T00:16:00Z

Performance test report

HPX Performance

Comparison

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

Info

Property	Before	After
HPX Commit	`501a585`	`092158f`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-01-31T20:20:59+00:00
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
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
Datetime	2025-08-24T17:06:08.105484-05:00	2026-01-31T18:13:12.082305-06:00

Comparison

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

Info

Property	Before	After
HPX Commit	`501a585`	`092158f`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-01-31T20:20:59+00:00
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
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
Datetime	2025-08-24T17:08:02.398682-05:00	2026-01-31T18:15:04.276798-06:00

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 Commit	`501a585`	`092158f`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-01-31T20:20:59+00:00
Envfile
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
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
Datetime	2025-08-24T17:08:22.660177-05:00	2026-01-31T18:15:26.281959-06:00

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…

StellarBot · 2026-02-01T15:43:04Z

Performance test report

HPX Performance

Comparison

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

Info

Property	Before	After
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-01T15:34:24+00:00
HPX Commit	`501a585`	`59f0e14`
Envfile
Datetime	2025-08-24T17:06:08.105484-05:00	2026-02-01T09:40:08.459148-06:00
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clustername	rostam	rostam
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu

Comparison

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

Info

Property	Before	After
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-01T15:34:24+00:00
HPX Commit	`501a585`	`59f0e14`
Envfile
Datetime	2025-08-24T17:08:02.398682-05:00	2026-02-01T09:42:01.089076-06:00
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clustername	rostam	rostam
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu

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	2025-08-24T21:58:54+00:00	2026-02-01T15:34:24+00:00
HPX Commit	`501a585`	`59f0e14`
Envfile
Datetime	2025-08-24T17:08:22.660177-05:00	2026-02-01T09:42:23.127513-06:00
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clustername	rostam	rostam
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu

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 · 2026-02-01T17:51:48Z

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for `ac357ab`¹	✅ 0.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (`ac357ab`)	Report Missing	Report Missing	Report Missing
Head commit (`e92989b`)	147989	51	0.03%

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 (#6868)	4	0	0.00%

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%

See your quality gate settings Change summary preferences

Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct. ↩

StellarBot · 2026-02-03T21:18:25Z

Performance test report

HPX Performance

Comparison

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

Info

Property	Before	After
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-03T21:10:16+00:00
HPX Commit	`501a585`	`2757a46`
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Clustername	rostam	rostam
Datetime	2025-08-24T17:06:08.105484-05:00	2026-02-03T15:15:27.808595-06:00
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	2025-08-24T21:58:54+00:00	2026-02-03T21:10:16+00:00
HPX Commit	`501a585`	`2757a46`
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Clustername	rostam	rostam
Datetime	2025-08-24T17:08:02.398682-05:00	2026-02-03T15:17:20.089346-06:00
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	2025-08-24T21:58:54+00:00	2026-02-03T21:10:16+00:00
HPX Commit	`501a585`	`2757a46`
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Clustername	rostam	rostam
Datetime	2025-08-24T17:08:22.660177-05:00	2026-02-03T15:17:42.361352-06:00
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…

StellarBot · 2026-02-04T04:09:17Z

Performance test report

HPX Performance

Comparison

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

Info

Property	Before	After
HPX Commit	`501a585`	`155af4e`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-04T00:20:03+00:00
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Datetime	2025-08-24T17:06:08.105484-05:00	2026-02-03T22:06:25.744818-06:00
Clustername	rostam	rostam

Comparison

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

Info

Property	Before	After
HPX Commit	`501a585`	`155af4e`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-04T00:20:03+00:00
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Datetime	2025-08-24T17:08:02.398682-05:00	2026-02-03T22:08:17.853966-06:00
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 Commit	`501a585`	`155af4e`
HPX Datetime	2025-08-24T21:58:54+00:00	2026-02-04T00:20:03+00:00
Hostname	medusa08.rostam.cct.lsu.edu	medusa08.rostam.cct.lsu.edu
Compiler	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8	/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Datetime	2025-08-24T17:08:22.660177-05:00	2026-02-03T22:08:39.977511-06:00
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…

Signed-off-by: Hartmut Kaiser <hartmut.kaiser@gmail.com>

hkaiser added this to the 2.0.0 milestone Jan 31, 2026

hkaiser added category: core type: enhancement type: compatibility issue labels Jan 31, 2026

hkaiser force-pushed the fixing_6867 branch from 8581586 to c87c4f0 Compare January 31, 2026 20:20

hkaiser force-pushed the fixing_6867 branch from c87c4f0 to 12d5378 Compare February 1, 2026 15:34

hkaiser force-pushed the fixing_6867 branch from 12d5378 to e92989b Compare February 3, 2026 21:10

hkaiser force-pushed the fixing_6867 branch from e92989b to 141dc86 Compare February 4, 2026 00:17

Fixing zip_iterator::operator[]() to agree with gcc 16 std::sort

beb900c

Signed-off-by: Hartmut Kaiser <hartmut.kaiser@gmail.com>

hkaiser force-pushed the fixing_6867 branch from 141dc86 to beb900c Compare February 4, 2026 14:04

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StellarBot commented Feb 1, 2026

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StellarBot commented Feb 1, 2026

HPX Performance

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StellarBot commented Feb 3, 2026

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StellarBot commented Feb 4, 2026

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codacy-production bot commented Feb 1, 2026 •

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