driazati commented on a change in pull request #10246:
URL: https://github.com/apache/tvm/pull/10246#discussion_r814260795
##########
File path: tests/scripts/task_build.sh
##########
@@ -15,5 +15,41 @@
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
-export VTA_HW_PATH=`pwd`/3rdparty/vta-hw
-cd $1 && cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo && make $2 && cd ..
+set -eux
+
+VTA_HW_PATH=$(pwd)/3rdparty/vta-hw
+export VTA_HW_PATH
+
+pushd "$1"
+
+# Set up sccache to use S3
+if [ -n "${3+x}" ] && which sccache; then
+ export SCCACHE_BUCKET=$3
+ HAS_SCCACHE=1
+else
+ export SCCACHE_BUCKET="no-bucket-configured"
+ HAS_SCCACHE=0
+fi
+
+if [ "$HAS_SCCACHE" -eq "1" ]; then
+ echo "Running with sccache enabled"
+ export CC=/opt/sccache/cc
+ export CXX=/opt/sccache/c++
+fi
+
+# Send this out through a side channel, the bucket name is not actually secret
+# so it's OK to leak it in this way
+echo "$SCCACHE_BUCKET" | base64
+
+if [ "$HAS_SCCACHE" -eq "1" ]; then
+ sccache --start-server || echo failed
+ sccache --show-stats
+fi
+
+cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ..
+cmake --build . -- VERBOSE=1 "$2"
+
+if [ "$HAS_SCCACHE" -eq "1" ]; then
+ sccache --show-stats
Review comment:
We could but the output is pretty recognizable, looks something like
this:
```
Compile requests 0
Compile requests executed 0
Cache hits 0
Cache misses 0
Cache timeouts 0
Cache read errors 0
Forced recaches 0
Cache write errors 0
Compilation failures 0
Cache errors 0
Non-cacheable compilations 0
Non-cacheable calls 0
Non-compilation calls 0
Unsupported compiler calls 0
Average cache write 0.000 s
Average cache read miss 0.000 s
Average cache read hit 0.000 s
Failed distributed compilations 0
```
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