Environment Variables

The following environment variables can be used to configure the project’s runtime behavior:

• PPC_NUM_PROC: Specifies the number of processes to launch. Default: 1 Can be queried from C++ with ppc::util::GetNumProc().

• PPC_NUM_THREADS: Specifies the number of threads to use. Default: 1

• PPC_ASAN_RUN: Specifies that application is compiler with sanitizers. Used by scripts/run_tests.py to skip valgrind runs. Default: 0

• PPC_IGNORE_TEST_TIME_LIMIT: Specifies that test time limits are ignored. Used by scripts/run_tests.py to disable time limit enforcement. Default: 0

• PPC_TASK_MAX_TIME: Maximum allowed execution time in seconds for functional tests. Default: 1.0

• PPC_PERF_MAX_TIME: Maximum allowed execution time in seconds for performance tests. Default: 10.0