f9c58414da
* cleanup prepare script * native image options * fix quardaric probing (no change to perf) * mask to get the last chunk of the name * extract hash functions * tweak the probing loop (-100ms) * fiddle with native image options * Reorder conditions in hope it makes branch predictor happier * extracted constant
30 lines
1.4 KiB
Bash
Executable File
30 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2023 The original authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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source "$HOME/.sdkman/bin/sdkman-init.sh"
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sdk use java 21.0.1-graal 1>&2
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# ./mvnw clean verify removes target/ and will re-trigger native image creation.
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if [ ! -f target/CalculateAverage_roman_r_m_image ]; then
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JAVA_OPTS="--enable-preview -dsa"
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NATIVE_IMAGE_OPTS="--initialize-at-build-time=dev.morling.onebrc.CalculateAverage_roman_r_m --gc=epsilon -Ob -O3 -march=native --strict-image-heap $JAVA_OPTS"
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NATIVE_IMAGE_OPTS="$NATIVE_IMAGE_OPTS -R:MaxHeapSize=128m"
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NATIVE_IMAGE_OPTS="$NATIVE_IMAGE_OPTS -H:+UnlockExperimentalVMOptions -H:-GenLoopSafepoints -H:InlineAllBonus=10 -H:-ParseRuntimeOptions"
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native-image $NATIVE_IMAGE_OPTS -cp target/average-1.0.0-SNAPSHOT.jar -o target/CalculateAverage_roman_r_m_image dev.morling.onebrc.CalculateAverage_roman_r_m
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fi |