1brc/calculate_average_martin2038.sh
Martin f02279df8c
martin2038: first submission (#665)
* first double as int

* - hashcode

* JAVA_OPTS empty

* native

* native

* CalculateAverage_melgenek
https://questdb.io/blog/building-faster-hash-table-high-performance-sql-joins/#fastmap-internals

* mvn formatting

* jvm model

* 10k name

* 10k name

* round mean

* limit ChunkSize  smaller than Integer.MAX_VALUE

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Co-authored-by: martin.cong <martin.cong@zhulinkeji.com>
2024-02-02 21:04:30 +01:00

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#!/bin/sh
#
# 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.
#
if [ -f target/CalculateAverage_martin2038_image ]; then
echo "Picking up existing native image 'target/CalculateAverage_martin2038_image', delete the file to select JVM mode." 1>&2
target/CalculateAverage_martin2038_image
else
#JAVA_OPTS="--enable-preview"
echo "Chosing to run the app in JVM mode as no native image was found, use prepare_martin2038.sh to generate." 1>&2
# JAVA_OPTS="-XX:-EnableJVMCI -Xms16g -Xmx16g -XX:+AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC"
JAVA_OPTS=""
java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_martin2038
fi