1brc/prepare_JamalMulla.sh
Jamal Mulla e639e2a045
Second attempt with various improvements (#510)
* Initial chunked impl

* Bytes instead of chars

* Improved number parsing

* Custom hashmap

* Graal and some tuning

* Fix segmenting

* Fix casing

* Unsafe

* Inlining hash calc

* Improved loop

* Cleanup

* Speeding up equals

* Simplifying hash

* Replace concurrenthashmap with lock

* Small changes

* Script reorg

* Native

* Lots of inlining and improvements

* Add back length check

* Fixes

* Small changes

---------

Co-authored-by: Jamal Mulla <j.mulla@mwam.com>
2024-01-31 22:09:25 +01:00

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#!/bin/bash
#
# Copyright 2023 The original authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
source "$HOME/.sdkman/bin/sdkman-init.sh"
sdk use java 21.0.2-graal 1>&2
# ./mvnw clean verify removes target/ and will re-trigger native image creation.
if [ ! -f target/CalculateAverage_JamalMulla_image ]; then
NATIVE_IMAGE_OPTS="--gc=epsilon -O3 -march=native --enable-preview --strict-image-heap --link-at-build-time -R:MaxHeapSize=64m -da -dsa --no-fallback --initialize-at-build-time=dev.morling.onebrc.CalculateAverage_JamalMulla"
native-image $NATIVE_IMAGE_OPTS -cp target/average-1.0.0-SNAPSHOT.jar -o target/CalculateAverage_JamalMulla_image dev.morling.onebrc.CalculateAverage_JamalMulla
fi