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

1 files changed, 23 insertions, 0 deletions

diff --git a/calculate_average_justplainlaake.sh b/calculate_average_justplainlaake.sh
new file mode 100755
index 0000000..2c0341f
--- /dev/null
+++ b/calculate_average_justplainlaake.sh
@@ -0,0 +1,23 @@
+#!/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_justplainlaake_image ]; then #if there is a native image, then lets run it. Else fallback to standard java execution
+    target/CalculateAverage_justplainlaake_image
+else
+    java -XX:+UseG1GC --enable-preview -XX:+UnlockExperimentalVMOptions -XX:+TrustFinalNonStaticFields -dsa -XX:+UseNUMA --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_justplainlaake
+fi
+