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Add test_suite_max_parallel option to LLVM #3985

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Add test_suite_max_parallel option to LLVM #3985

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Add `test_suite_max_parallel` option to LLVM
Flamefire Nov 7, 2025
21f8093
Default to 1 LIT task
Flamefire Dec 3, 2025
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9 changes: 5 additions & 4 deletions easybuild/easyblocks/l/llvm.py
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Expand Up @@ -232,6 +232,8 @@ def extra_options():
'test_suite_ignore_timeouts': [False, "Do not treat timedoud tests as failures", CUSTOM],
'test_suite_include_benchmarks': [False, "Include benchmarks in the LLVM tests (default False)", CUSTOM],
'test_suite_max_failed': [0, "Maximum number of failing tests (does not count allowed failures)", CUSTOM],
'test_suite_max_parallel': [1, "Maximum number LIT tasks to use for tests. "
"Limitted by the global parallel setting.", CUSTOM],
'test_suite_timeout_single': [None, "Timeout for each individual test in the test suite", CUSTOM],
'test_suite_timeout_total': [None, "Timeout for total running time of the testsuite", CUSTOM],
'use_pic': [True, "Build with Position Independent Code (PIC)", CUSTOM],
Expand Down Expand Up @@ -644,10 +646,9 @@ def _configure_final_build(self):
self._cmakeopts[cmake_flag] = include_benchmarks
self.runtimes_cmake_args[cmake_flag] = include_benchmarks

# Make sure tests are not running with more than 'parallel' tasks
parallel = self.cfg.parallel
if not build_option('mpi_tests'):
parallel = 1
# Set parallel LIT tasks. Limit by set max-parallelism and in absence of that
# use --mpi-tests to determine if parallelism is desired.
parallel = min(self.cfg.parallel, self.cfg['test_suite_max_parallel'])
lit_args = [f'-j {parallel}']
if self.cfg['debug_tests']:
lit_args += ['-v']
Expand Down