Mercurial > jdk8-mips64-public > hotspot / annotate
README@c9917fbd0a31 (annotated)
README
Thu, 11 Aug 2016 09:27:28 +0800
- author
- fujie
- date
- Thu, 11 Aug 2016 09:27:28 +0800
- changeset 60
- c9917fbd0a31
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
Performance of mod operation for long type is 100% up.
public class Test {
public static void main(String[] args) {
long LEN = 65000000;
long result = 0;
for(long j = 1; j < 20; j++) {
result = 0;
for(long i = 1; i < LEN; i++){
result += i % (j + 1);
}
}
System.out.println("result = " + result);
}
}
| aoqi@0 | 1 | README: |
| aoqi@0 | 2 | This file should be located at the top of the hotspot Mercurial repository. |
| aoqi@0 | 3 | |
| aoqi@0 | 4 | See http://openjdk.java.net/ for more information about the OpenJDK. |
| aoqi@0 | 5 | |
| aoqi@0 | 6 | See ../README-builds.html for complete details on build machine requirements. |
| aoqi@0 | 7 | |
| aoqi@0 | 8 | Simple Build Instructions: |
| aoqi@0 | 9 | |
| aoqi@0 | 10 | cd make && gnumake |
| aoqi@0 | 11 | |
| aoqi@0 | 12 | The files that will be imported into the jdk build will be in the "build" |
| aoqi@0 | 13 | directory. |
| aoqi@0 | 14 |
