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Migrate to stdexec & Fix deadlock on HPX worker threads#7257

Merged
hkaiser merged 65 commits into
TheHPXProject:masterfrom
charan-003:executor-tests
May 15, 2026
Merged

Migrate to stdexec & Fix deadlock on HPX worker threads#7257
hkaiser merged 65 commits into
TheHPXProject:masterfrom
charan-003:executor-tests

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@charan-003
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@charan-003 charan-003 commented May 7, 2026

Switch to member functions as tag_invoke is deprecated

Fix deadlock where stdexec default run_loop OS blocks the calling HPX worker at `--hpx:threads=1' by using HPX cooperative waiting

(hpx::spinlock +

hpx::condition_variable_any)

Also includes algorithm fixes and modernization of CI and tests

additional changes to #7254

also fixes #7251

@charan-003 charan-003 requested a review from hkaiser as a code owner May 7, 2026 18:40
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codacy-production Bot commented May 7, 2026

Up to standards ✅

🟢 Issues 0 issues

Results:
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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Commit0eeca863e5ed38
HPX Datetime2026-03-09T14:08:29+00:002026-05-07T18:40:47+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:15:24.034803-05:002026-05-07T13:51:22.481754-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca863e5ed38
HPX Datetime2026-03-09T14:08:29+00:002026-05-07T18:40:47+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:17:15.638328-05:002026-05-07T13:53:05.525011-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Commitba89f5d3e5ed38
HPX Datetime2026-03-09T18:50:37+00:002026-05-07T18:40:47+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T17:49:10.837937-05:002026-05-07T13:54:08.832208-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Explanation of Symbols

SymbolMEANING
=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
Copy link
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Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-07T19:15:27+00:00
HPX Commit0eeca863f1ad30
Clusternamerostamrostam
Datetime2026-03-09T09:15:24.034803-05:002026-05-07T14:29:10.923858-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-07T19:15:27+00:00
HPX Commit0eeca863f1ad30
Clusternamerostamrostam
Datetime2026-03-09T09:17:15.638328-05:002026-05-07T14:30:54.219342-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add=(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-07T19:15:27+00:00
HPX Commitba89f5d3f1ad30
Clusternamerostamrostam
Datetime2026-03-09T17:49:10.837937-05:002026-05-07T14:31:56.801330-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Explanation of Symbols

SymbolMEANING
=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…

@hkaiser
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hkaiser commented May 7, 2026

This supersedes #7254

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T00:13:37+00:00
HPX Commit0eeca86311f579
Clusternamerostamrostam
Envfile
Datetime2026-03-09T09:15:24.034803-05:002026-05-07T19:23:24.723410-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T00:13:37+00:00
HPX Commit0eeca86311f579
Clusternamerostamrostam
Envfile
Datetime2026-03-09T09:17:15.638328-05:002026-05-07T19:25:07.587443-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T00:13:37+00:00
HPX Commitba89f5d311f579
Clusternamerostamrostam
Envfile
Datetime2026-03-09T17:49:10.837937-05:002026-05-07T19:26:09.938428-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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

Explanation of Symbols

SymbolMEANING
=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
Copy link
Copy Markdown
Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T01:14:45+00:00
HPX Commit0eeca86b624bbf
Datetime2026-03-09T09:15:24.034803-05:002026-05-07T20:21:23.726061-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T01:14:45+00:00
HPX Commit0eeca86b624bbf
Datetime2026-03-09T09:17:15.638328-05:002026-05-07T20:23:06.979924-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)----
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T01:14:45+00:00
HPX Commitba89f5db624bbf
Datetime2026-03-09T17:49:10.837937-05:002026-05-07T20:24:10.121035-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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
Copy link
Copy Markdown
Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Commit0eeca86a04c6da
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T07:49:23+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T09:15:24.034803-05:002026-05-08T09:21:05.446542-05:00

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca86a04c6da
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T07:49:23+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T09:17:15.638328-05:002026-05-08T09:22:48.615794-05:00

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale=-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Commitba89f5da04c6da
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T07:49:23+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T17:49:10.837937-05:002026-05-08T09:26:32.667586-05:00

Explanation of Symbols

SymbolMEANING
=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
Copy link
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Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Commit0eeca86e7278ab
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T18:51:41+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:15:24.034803-05:002026-05-08T14:01:36.769508-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca86e7278ab
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T18:51:41+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:17:15.638328-05:002026-05-08T14:03:20.314004-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Commitba89f5de7278ab
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T18:51:41+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T17:49:10.837937-05:002026-05-08T14:07:16.591234-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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
Copy link
Copy Markdown
Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T22:24:20+00:00
HPX Commit0eeca86887050a
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:15:24.034803-05:002026-05-08T17:31:34.080296-05:00
Envfile

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T22:24:20+00:00
HPX Commit0eeca86887050a
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:17:15.638328-05:002026-05-08T17:33:18.252564-05:00
Envfile

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T22:24:20+00:00
HPX Commitba89f5d887050a
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T17:49:10.837937-05:002026-05-08T17:37:14.239623-05:00
Envfile

Explanation of Symbols

SymbolMEANING
=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
Copy link
Copy Markdown
Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T22:35:25+00:00
HPX Commit0eeca868dec045
Datetime2026-03-09T09:15:24.034803-05:002026-05-08T17:41:30.685391-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-08T22:35:25+00:00
HPX Commit0eeca868dec045
Datetime2026-03-09T09:17:15.638328-05:002026-05-08T17:43:09.831537-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-08T22:35:25+00:00
HPX Commitba89f5d8dec045
Datetime2026-03-09T17:49:10.837937-05:002026-05-08T17:47:16.224292-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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
Copy link
Copy Markdown
Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T12:04:34+00:00
HPX Commit0eeca86225a2ac
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:15:24.034803-05:002026-05-09T07:11:35.776806-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T12:04:34+00:00
HPX Commit0eeca86225a2ac
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:17:15.638328-05:002026-05-09T07:13:18.348018-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-09T12:04:34+00:00
HPX Commitba89f5d225a2ac
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T17:49:10.837937-05:002026-05-09T07:17:02.031847-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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…

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codacy-production Bot commented May 9, 2026

Up to standards ✅

🟢 Issues 0 issues

Results:
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TIP This summary will be updated as you push new changes.

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Commit0eeca86fe516bd
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T14:25:38+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T09:15:24.034803-05:002026-05-09T09:36:33.758581-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca86fe516bd
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T14:25:38+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T09:17:15.638328-05:002026-05-09T09:38:16.256294-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)=---
Stream Benchmark - Scale=-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Commitba89f5dfe516bd
HPX Datetime2026-03-09T18:50:37+00:002026-05-09T14:25:38+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T17:49:10.837937-05:002026-05-09T09:42:11.668743-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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…

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Commit0eeca862b8bffa
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T21:36:01+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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
Datetime2026-03-09T09:15:24.034803-05:002026-05-09T16:46:22.311537-05:00
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca862b8bffa
HPX Datetime2026-03-09T14:08:29+00:002026-05-09T21:36:01+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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
Datetime2026-03-09T09:17:15.638328-05:002026-05-09T16:48:05.883787-05:00
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Commitba89f5d2b8bffa
HPX Datetime2026-03-09T18:50:37+00:002026-05-09T21:36:01+00:00
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.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
Datetime2026-03-09T17:49:10.837937-05:002026-05-09T16:51:56.688707-05:00
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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…

Comment thread libs/core/algorithms/include/hpx/parallel/algorithms/find.hpp Outdated
@hkaiser
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hkaiser commented May 10, 2026

Inspect is complaining about:

/libs/core/algorithms/tests/unit/algorithms/partial_sort_sender.cpp: *I* missing #include (cstddef) for symbol std::ptrdiff_t on line 59

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-10T01:35:02+00:00
HPX Commit0eeca86b31b675
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T09:15:24.034803-05:002026-05-10T02:47:32.617571-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-10T01:35:02+00:00
HPX Commit0eeca86b31b675
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T09:17:15.638328-05:002026-05-10T02:49:16.713290-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-10T01:35:02+00:00
HPX Commitba89f5db31b675
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile
Datetime2026-03-09T17:49:10.837937-05:002026-05-10T02:53:15.854776-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Explanation of Symbols

SymbolMEANING
=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…

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-10T13:52:07+00:00
HPX Commit0eeca864cefa0d
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:15:24.034803-05:002026-05-10T09:01:26.268406-05:00

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-10T13:52:07+00:00
HPX Commit0eeca864cefa0d
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:17:15.638328-05:002026-05-10T09:03:08.633032-05:00

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)---
Stream Benchmark - Scale(=)-----
Stream Benchmark - Triad(=)-----
Stream Benchmark - Copy(=)+++---

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-10T13:52:07+00:00
HPX Commitba89f5d4cefa0d
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T17:49:10.837937-05:002026-05-10T09:06:58.252157-05:00

Explanation of Symbols

SymbolMEANING
=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…

Comment thread libs/core/algorithms/include/hpx/parallel/util/detail/sender_util.hpp Outdated
Comment thread libs/core/algorithms/include/hpx/parallel/util/partitioner_with_cleanup.hpp Outdated
Comment thread libs/core/algorithms/include/hpx/parallel/algorithms/for_each.hpp Outdated
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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Commit0eeca86ae481fe
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T00:47:11+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T09:15:24.034803-05:002026-05-13T19:55:54.722824-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch+

Info

PropertyBeforeAfter
HPX Commit0eeca86ae481fe
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T00:47:11+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T09:17:15.638328-05:002026-05-13T19:57:39.729691-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Commitba89f5dae481fe
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T00:47:11+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Datetime2026-03-09T17:49:10.837937-05:002026-05-13T19:58:00.099138-05:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile

Explanation of Symbols

SymbolMEANING
=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…

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Commit0eeca868299bc0
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T00:57:07+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:15:24.034803-05:002026-05-13T20:05:55.325530-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca868299bc0
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T00:57:07+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T09:17:15.638328-05:002026-05-13T20:07:38.662278-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add==--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Commitba89f5d8299bc0
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T00:57:07+00:00
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Datetime2026-03-09T17:49:10.837937-05:002026-05-13T20:07:59.264346-05:00
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Explanation of Symbols

SymbolMEANING
=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>
Comment thread libs/core/type_support/include/hpx/type_support/is_replaceable.hpp Fixed
Comment thread libs/core/type_support/include/hpx/type_support/is_replaceable.hpp Fixed
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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Commit0eeca86e2e1f3a
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T04:29:21+00:00
Datetime2026-03-09T09:15:24.034803-05:002026-05-13T23:35:44.490883-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Commit0eeca86e2e1f3a
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T04:29:21+00:00
Datetime2026-03-09T09:17:15.638328-05:002026-05-13T23:37:26.985085-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Commitba89f5de2e1f3a
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T04:29:21+00:00
Datetime2026-03-09T17:49:10.837937-05:002026-05-13T23:37:47.495025-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam

Explanation of Symbols

SymbolMEANING
=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…

Comment thread libs/core/type_support/include/hpx/type_support/is_replaceable.hpp Fixed
Comment thread libs/core/type_support/include/hpx/type_support/is_replaceable.hpp Fixed
…tor-tests

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

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T14:56:48+00:00
HPX Commit0eeca86aa4ea38
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:15:24.034803-05:002026-05-14T10:05:52.419223-05:00
Clusternamerostamrostam
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T14:56:48+00:00
HPX Commit0eeca86aa4ea38
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:17:15.638328-05:002026-05-14T10:07:35.823951-05:00
Clusternamerostamrostam
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)--
Stream Benchmark - Scale=----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T14:56:48+00:00
HPX Commitba89f5daa4ea38
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T17:49:10.837937-05:002026-05-14T10:07:56.450723-05:00
Clusternamerostamrostam
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8

Explanation of Symbols

SymbolMEANING
=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…

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Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Commit0eeca86af4c4ff
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T15:17:22+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile
Datetime2026-03-09T09:15:24.034803-05:002026-05-14T10:25:56.079264-05:00

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch+

Info

PropertyBeforeAfter
HPX Commit0eeca86af4c4ff
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T15:17:22+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile
Datetime2026-03-09T09:17:15.638328-05:002026-05-14T10:27:40.428759-05:00

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Commitba89f5daf4c4ff
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T15:17:22+00:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Clusternamerostamrostam
Envfile
Datetime2026-03-09T17:49:10.837937-05:002026-05-14T10:28:00.910845-05:00

Explanation of Symbols

SymbolMEANING
=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
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Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T19:04:46+00:00
HPX Commit0eeca86e1470b2
Datetime2026-03-09T09:15:24.034803-05:002026-05-14T14:28:49.327715-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T19:04:46+00:00
HPX Commit0eeca86e1470b2
Datetime2026-03-09T09:17:15.638328-05:002026-05-14T14:30:32.695196-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add=(=)--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T19:04:46+00:00
HPX Commitba89f5de1470b2
Datetime2026-03-09T17:49:10.837937-05:002026-05-14T14:30:52.914592-05:00
Clusternamerostamrostam
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Envfile
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu

Explanation of Symbols

SymbolMEANING
=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>
@StellarBot
Copy link
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Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T22:26:56+00:00
HPX Commit0eeca863039f7a
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:15:24.034803-05:002026-05-14T17:38:17.571570-05:00

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-14T22:26:56+00:00
HPX Commit0eeca863039f7a
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T09:17:15.638328-05:002026-05-14T17:39:56.793515-05:00

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)(=)--
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-14T22:26:56+00:00
HPX Commitba89f5d3039f7a
Envfile
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Datetime2026-03-09T17:49:10.837937-05:002026-05-14T17:40:17.033457-05:00

Explanation of Symbols

SymbolMEANING
=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>
@codacy-production
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Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 duplication

Metric Results
Duplication 0

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@StellarBot
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Collaborator

Performance test report

HPX Performance

Comparison

BENCHMARKFORK_JOIN_EXECUTORPARALLEL_EXECUTORSCHEDULER_EXECUTOR
For Each(=)(=)(=)

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-15T01:56:52+00:00
HPX Commit0eeca863242f90
Datetime2026-03-09T09:15:24.034803-05:002026-05-14T21:05:57.105041-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile

Comparison

BENCHMARKNO-EXECUTOR
Future Overhead - Create Thread Hierarchical - Latch++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T14:08:29+00:002026-05-15T01:56:52+00:00
HPX Commit0eeca863242f90
Datetime2026-03-09T09:17:15.638328-05:002026-05-14T21:07:40.375356-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile

Comparison

BENCHMARKFORK_JOIN_EXECUTOR_DEFAULT_FORK_JOIN_POLICY_ALLOCATORPARALLEL_EXECUTOR_DEFAULT_PARALLEL_POLICY_ALLOCATORSCHEDULER_EXECUTOR_DEFAULT_SCHEDULER_EXECUTOR_ALLOCATOR
Stream Benchmark - Add(=)---
Stream Benchmark - Scale(=)----
Stream Benchmark - Triad(=)---
Stream Benchmark - Copy(=)+++++

Info

PropertyBeforeAfter
HPX Datetime2026-03-09T18:50:37+00:002026-05-15T01:56:52+00:00
HPX Commitba89f5d3242f90
Datetime2026-03-09T17:49:10.837937-05:002026-05-14T21:08:00.735369-05:00
Compiler/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8/opt/apps/llvm/18.1.8/bin/clang++ 18.1.8
Clusternamerostamrostam
Hostnamemedusa08.rostam.cct.lsu.edumedusa08.rostam.cct.lsu.edu
Envfile

Explanation of Symbols

SymbolMEANING
=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…

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LGTM, thanks!

@hkaiser hkaiser added this to the 2.0.0 milestone May 15, 2026
@hkaiser hkaiser merged commit d69a166 into TheHPXProject:master May 15, 2026
83 of 95 checks passed
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hkaiser commented May 15, 2026

@charan-003 Thank you again for your work on this! Much appreciated!

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stdexec warning about transform_completion_signatures

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