From e1a0b7925912f02aae27a170068ba78bb144cad7 Mon Sep 17 00:00:00 2001 From: Yonatan Graber Date: Sat, 20 Jan 2024 06:02:55 -0800 Subject: yonatang solution: a jdk8 friendly, no unsafe code, epsilon-gc friendly solution (#499) * 1bc challenge, but one that will run using jdk 8 without unsafe and still do reasonably well. * Better hashtable * the fastest GC is no GC * cleanups * increased hash size * removed Playground.java * collision-handling allocation free hashmap * formatting --- calculate_average_yonatang.sh | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100755 calculate_average_yonatang.sh (limited to 'calculate_average_yonatang.sh') diff --git a/calculate_average_yonatang.sh b/calculate_average_yonatang.sh new file mode 100755 index 0000000..6bc44bd --- /dev/null +++ b/calculate_average_yonatang.sh @@ -0,0 +1,20 @@ +#!/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. +# + +# GC is overrated +JAVA_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -XX:+AlwaysPreTouch -Xms512m -Xmx512m" +java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_yonatang -- cgit v1.2.3