[Attempt #2] String overflow hash + data/mem optimization (#356)

* Use graal

* Use dynamic cores computer

* Use stream API to cleanup code

* Use max processors

* Use hash to avoid init string

* optimize concurrentmap init

* Smaller hash size

* Avoid checking concurrentmap

* Optimize data type

* string dedup

* Faster write

* Change base

* Remove time

* Use mul instead of div

prepare_gnabyl.sh

@@ -0,0 +1,20 @@
+#!/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.
+#
+
+# Uncomment below to use sdk
+source "$HOME/.sdkman/bin/sdkman-init.sh"
+sdk use java 21.0.1-graal 1>&2