Reduce system resource usage for flang-runtime-cuda-* builders on as-builder-7 worker.

The latest changes for 'flang' and 'flang-rt' projects cause the build host overload
and freeze the system for a long time. Reduce resource usage for the build to avoid it.

Note: restore the changes after the problem will get solved.

Author: vvereschaka

buildbot/osuosl/master/config/builders.py

@@ -3283,6 +3283,7 @@
                         "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
                         util.Interpolate("-DFLANG_RT_LIBCUDACXX_PATH=%(prop:nv_cccl_root_path)s/libcudacxx"),
                     ],
+                    jobs=64,
                     env={
                         'CCACHE_DIR' : util.Interpolate("%(prop:builddir)s/ccache-db"),
                         # TMP/TEMP within the build dir (to utilize a ramdisk).
@@ -3328,6 +3329,7 @@
                             src_to_build_dir = "runtimes",
                         ),
                     ],
+                    jobs=64,
                     env = {
                         # TMP/TEMP within the build dir (to utilize a ramdisk).
                         'TMP'        : util.Interpolate("%(prop:builddir)s/%(prop:objrootdir)s"),

buildbot/osuosl/master/config/workers.py

@@ -243,7 +243,7 @@ def get_all():
                         'jobs': 128,
                         'nv_cccl_root_path'     : '/home/buildbot/worker/third-party/nv/cccl',
                      },
-                     max_builds=2),
+                     max_builds=1),
         # Windows Server on Intel Xeon 6330 CPU 2Sx64Cx128LP @ 2.0GHz, 256GB RAM
         create_worker("as-builder-8", properties={'jobs': 128}, max_builds=1),