[aarch64-port-dev ] OpenJDK8 & Java Dhrystone

[Cao Hoang Thu]

Hi all,I ran Java Dhrystone with openjdk8 but I got dhrystone's numbers not reliable Here are the 10 runs results( 16% difference)
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
echo 333333333  | java -jar dhry.jar
total time: 22664ms
Result: 14707612 dhrystone/sec.

# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 21419ms
Result: 15562506 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 21406ms
Result: 15571958 dhrystone/sec.
[root at slave1 dhry]# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 19043ms
Result: 17504244 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 22616ms
Result: 14738827 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 22615ms
Result: 14739479 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 18990ms
Result: 17553098 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 22620ms
Result: 14736221 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 19038ms
Result: 17508841 dhrystone/sec.
# echo 333333333  | java -jar dhry.jar
Dhrystone Benchmark, Version 2.1 (Language: Java)

Please give the number of runs through the benchmark: Execution starts,
333333333 runs through Dhrystone
total time: 22669ms
Result: 14704368 dhrystone/sec. 
Regards,Thu Cao