Parallel tests execution for tools, regression suites (#3962)

Before:
* tools: 252.05s
* regression: 624.95s
* total: 1h15m

After:
* tools: 129.16s
* regression: 40.32s
* total: 1h10m

Author: pbchekin

.github/workflows/build-test-reusable.yml

@@ -169,7 +169,7 @@ jobs:
 
           {
             echo SKIPLIST="$skiplist"
-            echo TRITON_TEST_CMD="bash -v -x scripts/test-triton.sh --warning-reports --skip-pytorch-install --reports-dir $GITHUB_WORKSPACE/reports ${{ inputs.ignore_errors && '--ignore-errors' || '' }} $skiplist"
+            echo TRITON_TEST_CMD="bash -x scripts/test-triton.sh --warning-reports --skip-pytorch-install --reports-dir $GITHUB_WORKSPACE/reports ${{ inputs.ignore_errors && '--ignore-errors' || '' }} $skiplist"
           } | tee -a $GITHUB_ENV
 
       - name: Run Proton tests

scripts/test-triton.sh

@@ -221,7 +221,7 @@ run_core_tests() {
     run_pytest_command -k "not test_line_info_interpreter" --verbose --device xpu language/test_line_info.py
 
   TRITON_DISABLE_LINE_INFO=1 TRITON_TEST_SUITE=tools \
-    run_pytest_command -k "not test_disam_cubin" --verbose tools
+    run_pytest_command -n ${PYTEST_MAX_PROCESSES:-8} -k "not test_disam_cubin" --verbose tools
 
   TRITON_DISABLE_LINE_INFO=1 TRITON_TEST_SUITE=intel \
     run_pytest_command -vvv -n ${PYTEST_MAX_PROCESSES:-8} --device xpu intel/
@@ -238,7 +238,7 @@ run_regression_tests() {
   cd $TRITON_PROJ/python/test/regression
 
   TRITON_DISABLE_LINE_INFO=1 TRITON_TEST_SUITE=regression \
-    run_pytest_command -vvv -s --device xpu . --ignore=test_performance.py
+    run_pytest_command -vvv -n ${PYTEST_MAX_PROCESSES:-8} -s --device xpu . --ignore=test_performance.py
 }
 
 run_interpreter_tests() {