[BOLT/test] increase the stack size of tasks

The default stack size is too small for some tasking tests.  This patch sets a
a larger stack size for testing.

Author: shintaro-iwasaki

libomptarget/deviceRTLs/nvptx/test/lit.cfg

@@ -45,6 +45,12 @@ config.test_flags = config.test_flags + " " + config.test_extra_flags
 prepend_library_path('LD_LIBRARY_PATH', config.library_dir, ":")
 prepend_library_path('LD_LIBRARY_PATH', config.omp_host_rtl_directory, ":")
 
+# Setup flags for BOLT.  If BOLT is not used, they are ignored.
+# Some tasking tests require larger stack size.
+config.environment['ABT_THREAD_STACKSIZE'] = "262144"
+# Sleep alleviates oversubscription overheads when -j is specified.
+config.environment['KMP_ABT_SCHED_SLEEP'] = "1"
+
 # Forbid fallback to host.
 config.environment["OMP_TARGET_OFFLOAD"] = "MANDATORY"
 

libomptarget/test/lit.cfg

@@ -64,6 +64,12 @@ else: # Unices
     append_dynamic_library_path('LD_LIBRARY_PATH', \
         config.omp_host_rtl_directory, ":")
 
+# Setup flags for BOLT.  If BOLT is not used, they are ignored.
+# Some tasking tests require larger stack size.
+config.environment['ABT_THREAD_STACKSIZE'] = "262144"
+# Sleep alleviates oversubscription overheads when -j is specified.
+config.environment['KMP_ABT_SCHED_SLEEP'] = "1"
+
 # substitutions
 # - for targets that exist in the system create the actual command.
 # - for valid targets that do not exist in the system, return false, so that the

tools/archer/tests/lit.cfg

@@ -89,6 +89,12 @@ if config.has_tsan == True:
 if 'INTEL_LICENSE_FILE' in os.environ:
     config.environment['INTEL_LICENSE_FILE'] = os.environ['INTEL_LICENSE_FILE']
 
+# Setup flags for BOLT.  If BOLT is not used, they are ignored.
+# Some tasking tests require larger stack size.
+config.environment['ABT_THREAD_STACKSIZE'] = "262144"
+# Sleep alleviates oversubscription overheads when -j is specified.
+config.environment['KMP_ABT_SCHED_SLEEP'] = "1"
+
 # Race Tests
 config.substitutions.append(("%libarcher-compile-and-run-race", \
     "%libarcher-compile && %libarcher-run-race"))