From 464ba6209bb229f45e43693801ec5814d8815760 Mon Sep 17 00:00:00 2001 From: Laake Scates-Gervasi Date: Tue, 23 Jan 2024 11:44:57 -0800 Subject: Laake Scates-Gervasi first submission (justplainlaake) [2.5s execution, locally similar time to top 5] (#431) * Init Push * organize imports * Add OpenMap * Best outcome yet * Create prepare script and calculate script for native image, also add comments on calculation * Remove extra hashing, and need for the set array * Commit formatting changes from build * Remove unneeded device information * Make shell scripts executable, add hash collision double check for equality * Add hash collision double check for equality * Skip multithreading for small files to improve small file performance --- prepare_justplainlaake.sh | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100755 prepare_justplainlaake.sh (limited to 'prepare_justplainlaake.sh') diff --git a/prepare_justplainlaake.sh b/prepare_justplainlaake.sh new file mode 100755 index 0000000..bc7c6dc --- /dev/null +++ b/prepare_justplainlaake.sh @@ -0,0 +1,30 @@ +#!/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 21.0.1-graal 1>&2 + +if [ ! -f target/CalculateAverage_justplainlaake_image ]; then + #disable assertions + #optimize code for best performance + #native march gives best performance for machine image is built on + #strict image heap allows all classes ot be used at build time + #native image info prints the trace of the build + #enable preview allows for preview features of current release + #epsilon garbage collector is a gc that doesn't gc... haha + native-image -dsa -O3 -march=native --strict-image-heap --native-image-info --enable-preview --gc=epsilon -cp target/average-1.0.0-SNAPSHOT.jar -o target/CalculateAverage_justplainlaake_image dev.morling.onebrc.CalculateAverage_justplainlaake +fi -- cgit v1.2.3