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ICU-2186 updated gc to synch with new testframework

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X-SVN-Rev: 10252
This commit is contained in:
Syn Wee Quek 2002-11-14 02:00:39 +00:00
parent bcdc20bce8
commit 15467108ce
1 changed files with 15 additions and 10 deletions
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25
icu4j/src/com/ibm/icu/dev/test/perf/CollationPerformanceTest.java
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@ -1007,17 +1007,22 @@ public class CollationPerformanceTest {
return true;
}
/**
* Invoke the runtime's garbage collection procedure repeatedly
* until the amount of free memory stabilizes to within 10%.
*/
private void callGC() {
Runtime rt = Runtime.getRuntime();
long oldMem = rt.freeMemory();
long delta;
do {
rt.gc();
long newMem = rt.freeMemory();
delta = oldMem - newMem;
oldMem = newMem;
} while (delta > 500);
long last;
long free = 1;
Runtime runtime = Runtime.getRuntime();
do {
runtime.gc();
last = free;
free = runtime.freeMemory();
} while (((double)Math.abs(free - last)) / free > 0.1);
// Wait for the change in free memory to drop under 10%
// between successive calls.
}
private boolean needCRLF = false;