From d73457872f0b9990ab6258d0a96d3edad3b24b1a Mon Sep 17 00:00:00 2001 From: Dimitar Dimitrov Date: Thu, 4 Jan 2024 04:22:39 +0900 Subject: ddimtirov - switched to the foreign memory access preview API for another 10% speedup --- calculate_average_ddimtirov.sh | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'calculate_average_ddimtirov.sh') diff --git a/calculate_average_ddimtirov.sh b/calculate_average_ddimtirov.sh index 26fb652..94a1981 100644 --- a/calculate_average_ddimtirov.sh +++ b/calculate_average_ddimtirov.sh @@ -15,6 +15,7 @@ # limitations under the License. # - -JAVA_OPTS="-XX:+UseParallelGC" +# --enable-preview to use the new memory mapped segments +# We don't allocate much, so just give it 1G heap and turn off GC; the AlwaysPreTouch was suggested by the ergonomics +JAVA_OPTS="--enable-preview -Xms1g -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+AlwaysPreTouch" time java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_ddimtirov -- cgit v1.2.3