28868354881
93%

Ran 07 Jul 2026 01:23PM UTC

Jobs 11

Files 1771

Run time 6min

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Committed 07 Jul 2026 01:04PM UTC coverage: 92.856% (+0.001%) from 92.855%

Build # 28868354881

Build Type

push

github

Committed by

web-flow

Commit Message

admit concurrently() items through a semaphore window (#23486)

A rule may request tens of thousands of items which pins significant
chunk of memory. Meanwhile, the engine can only process so many nodes at
once. The result is unnecessary allocator churn (so slower) and high
peak memory.

For my machine based off of main I record going from 3.7GB to 2.0GB peak
RAM usage with this change. Execution time improves a bit, mainly where
`concurrently` nests.

Coverage Stats

94326 of 101583 relevant lines covered (92.86%)

3.69 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	test_python_linux_x86_64_9/10 - 28868354881.1	07 Jul 2026 01:26PM UTC	1221	53.95	GitHub Action Run
2	test_python_linux_x86_64_8/10 - 28868354881.2	07 Jul 2026 01:28PM UTC	1210	52.78	GitHub Action Run
3	test_python_linux_x86_64_4/10 - 28868354881.3	07 Jul 2026 01:35PM UTC	1241	58.89	GitHub Action Run
4	test_python_linux_x86_64_2/10 - 28868354881.4	07 Jul 2026 01:27PM UTC	1211	58.57	GitHub Action Run
5	test_python_linux_x86_64_1/10 - 28868354881.5	07 Jul 2026 01:27PM UTC	1210	48.83	GitHub Action Run
6	test_python_linux_x86_64_3/10 - 28868354881.6	07 Jul 2026 01:31PM UTC	1209	53.58	GitHub Action Run
7	test_python_linux_arm64 - 28868354881.7	07 Jul 2026 01:23PM UTC	1190	51.75	GitHub Action Run
8	test_python_linux_x86_64_6/10 - 28868354881.8	07 Jul 2026 01:25PM UTC	1206	49.63	GitHub Action Run
9	test_python_linux_x86_64_0/10 - 28868354881.9	07 Jul 2026 01:27PM UTC	1231	57.28	GitHub Action Run
10	test_python_linux_x86_64_7/10 - 28868354881.10	07 Jul 2026 01:34PM UTC	1212	50.78	GitHub Action Run
11	test_python_linux_x86_64_5/10 - 28868354881.11	07 Jul 2026 01:27PM UTC	1224	59.92	GitHub Action Run

pantsbuild / pants / 28868354881
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