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| author | Dimitar Dimitrov <dimitar.dimitrov@gmail.com> | 2024-01-04 04:22:39 +0900 |
|---|---|---|
| committer | Gunnar Morling <gunnar.morling@googlemail.com> | 2024-01-03 21:04:44 +0100 |
| commit | d73457872f0b9990ab6258d0a96d3edad3b24b1a (patch) | |
| tree | afcfa2434a8d489026d1448bf512c09e51925591 /calculate_average_ddimtirov.sh | |
| parent | 1923fc65a89304381ed2b5d5017162aa58e512ad (diff) | |
ddimtirov - switched to the foreign memory access preview API for another 10% speedup
Diffstat (limited to 'calculate_average_ddimtirov.sh')
| -rw-r--r-- | calculate_average_ddimtirov.sh | 5 |
1 files changed, 3 insertions, 2 deletions
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 |