From a9a05599cd2e3150bc66b6c6171ac8d106ee3e17 Mon Sep 17 00:00:00 2001
From: 3j5a <105244096+3j5a@users.noreply.github.com>
Date: Tue, 23 Jan 2024 21:31:45 +0200
Subject: CalculateAverage_3j5a off-the-shelf Java components + ArraysSupport
 (#566)

* off the shell Java components, curious about official runtime results. thnx

my laptop results are around 12 seconds, e.g:
87.66user 1.32system 0:12.11elapsed 734%CPU (0avgtext+0avgdata 13980924maxresident)k

Architecture:            x86_64
  CPU op-mode(s):        32-bit, 64-bit
  Address sizes:         39 bits physical, 48 bits virtual
  Byte Order:            Little Endian
CPU(s):                  8
  On-line CPU(s) list:   0-7
Vendor ID:               GenuineIntel
  Model name:            Intel(R) Core(TM) i5-8400H CPU @ 2.50GHz

* off-the-shelf Java components... curious about official runtime results. thnx

laptop results are around 11 seconds, e.g:
./calculate_average_3j5a.sh  81.46s user 1.36s system 758% cpu 10.917 total

Architecture:            x86_64
  CPU op-mode(s):        32-bit, 64-bit
  Address sizes:         39 bits physical, 48 bits virtual
  Byte Order:            Little Endian
CPU(s):                  8
  On-line CPU(s) list:   0-7
Vendor ID:               GenuineIntel
  Model name:            Intel(R) Core(TM) i5-8400H CPU @ 2.50GHz

* off-the-shelf Java components + ArraysSupport..

laptop results are around 10.2 seconds, e.g:
./calculate_average_3j5a.sh  75.02s user 1.31s system 750% cpu 10.175 total

Architecture:            x86_64
  CPU op-mode(s):        32-bit, 64-bit
  Address sizes:         39 bits physical, 48 bits virtual
  Byte Order:            Little Endian
CPU(s):                  8
  On-line CPU(s) list:   0-7
Vendor ID:               GenuineIntel
  Model name:            Intel(R) Core(TM) i5-8400H CPU @ 2.50GHz

* method handle...

* full buffer read attempt

* MH

* MH cleanup
---
 calculate_average_3j5a.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 calculate_average_3j5a.sh

(limited to 'calculate_average_3j5a.sh')

diff --git a/calculate_average_3j5a.sh b/calculate_average_3j5a.sh
new file mode 100755
index 0000000..b4a4277
--- /dev/null
+++ b/calculate_average_3j5a.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="--add-opens=java.base/jdk.internal.util=ALL-UNNAMED"
+java $JAVA_OPTS --class-path target/average-1.0.0-SNAPSHOT.jar dev.morling.onebrc.CalculateAverage_3j5a
-- 
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