First submission - CalculateAverage_JamalMulla.java - Jamal Mulla (#238)

* 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

---------

Co-authored-by: Jamal Mulla <j.mulla@mwam.com>

calculate_average_JamalMulla.sh

@@ -0,0 +1,19 @@
+#!/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.
+#
+
+JAVA_OPTS="--enable-preview -XX:+UnlockExperimentalVMOptions -XX:+TrustFinalNonStaticFields -XX:+UseTransparentHugePages"
+time java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_JamalMulla