tonivade implementation (try 2) (#541)

* tonivade implementation

* synchronized block performs better than ReentrantLock

* remove ConcurrentHashMap

* refactor

* use HashMap.newHashMap

* change double to int

* minor refactor

* fix

1 files changed, 19 insertions, 0 deletions

diff --git a/calculate_average_tonivade.sh b/calculate_average_tonivade.sh
new file mode 100755
index 0000000..5e160f9
--- /dev/null
+++ b/calculate_average_tonivade.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="-Xmx1G -Xms1G -XX:+AlwaysPreTouch --enable-preview"
+java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_tonivade