From d9ab36a241e4f38e404b5fd5f92de86337dd459c Mon Sep 17 00:00:00 2001 From: Jaromir Hamala Date: Sun, 28 Jan 2024 11:34:28 +0100 Subject: jerrinot's improvement (#607) * some random changes with minimal, if any, effect * use munmap() trick credit: thomaswue * some smaller tweaks * use native image --- calculate_average_jerrinot.sh | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'calculate_average_jerrinot.sh') diff --git a/calculate_average_jerrinot.sh b/calculate_average_jerrinot.sh index 8de06c3..7311723 100755 --- a/calculate_average_jerrinot.sh +++ b/calculate_average_jerrinot.sh @@ -17,5 +17,11 @@ # -XX:+UnlockDiagnosticVMOptions -XX:PrintAssemblyOptions=intel -XX:CompileCommand=print,*.CalculateAverage_mtopolnik::recordMeasurementAndAdvanceCursor" # -XX:InlineSmallCode=10000 -XX:-TieredCompilation -XX:CICompilerCount=2 -XX:CompileThreshold=1000\ -java -XX:+UseParallelGC --enable-preview \ - --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_jerrinot +if [ -f target/CalculateAverage_jerrinot_image ]; then + echo "Picking up existing native image 'target/CalculateAverage_jerrinot_image', delete the file to select JVM mode." 1>&2 + target/CalculateAverage_jerrinot_image +else + JAVA_OPTS="--enable-preview" + echo "Choosing to run the app in JVM mode as no native image was found, use prepare_jerrinot.sh to generate." 1>&2 + java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_jerrinot +fi -- cgit v1.2.3