serverscanning/capnproto-java-rpc
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switch to Xorshift generator

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This commit is contained in:
David Renshaw 2014-06-25 19:31:08 -04:00
parent ab3b96ba12
commit c5f6427a6f
1 changed files with 10 additions and 9 deletions
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19
benchmark/src/main/java/org/capnproto/benchmark/Common.java
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@ -2,17 +2,18 @@ package org.capnproto.benchmark;
public class Common { public class Common {
public static class FastRand { public static class FastRand {
public static final int a = 1664525; public int x = 0x1d2acd47;
public static final int c = 1013904223; public int y = 0x58ca3e14;
public int state; public int z = 0xf563f232;
public int w = 0x0bc76199;
public FastRand() {
this.state = 1013904223;
}
public int nextInt() { public int nextInt() {
this.state = this.a * this.state + c; int tmp = this.x ^ (this.x << 11);
return this.state; this.x = this.y;
this.y = this.z;
this.z = this.w;
this.w = this.w ^ (this.w >> 19) ^ tmp ^ (tmp >> 8);
return this.w;
} }
public int nextLessThan(int range) { public int nextLessThan(int range) {