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https://issues.apache.org/jira/browse/LUCENE-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021783#comment-13021783
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Steven Rowe commented on LUCENE-3037:
-------------------------------------
The original method was waaaaaaaaay slower. I added this to my test:
{code:java}
int[] log0Results = new int[iterations];
...
start = System.currentTimeMillis();
for (int i = 0 ; i < iterations ; ++i) {
log0Results[i] = (docFreqs[i] == 0
? 0 : (int) Math.floor( StrictMath.log(docFreqs[i])
/ StrictMath.log(skipIntervals[i])));
}
stop = System.currentTimeMillis();
System.err.println("log0: " + (stop - start) + "ms for " + iterations + "
iterations.");
{code}
Result:
{noformat}
log0: 17933ms for 100000000 iterations.
log1: 2420ms for 100000000 iterations.
log2: 1139ms for 100000000 iterations.
log3: 1697ms for 100000000 iterations.
{noformat}
> TestFSTs.testRealTerms produces a corrupt index
> -----------------------------------------------
>
> Key: LUCENE-3037
> URL: https://issues.apache.org/jira/browse/LUCENE-3037
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 4.0
>
> Attachments: LUCENE-3037.patch, LUCENE-3037_test.patch, index.7z.001,
> index.7z.002, index.7z.003
>
>
> seems to be prox/skip related: the test passes, but the checkindex upon
> closing fails.
> ant test-core -Dtestcase=TestFSTs -Dtests.seed=-4012305283315171209:0
> -Dtests.multiplier=3 -Dtests.nightly=true
> -Dtests.linedocsfile=c:/data/enwiki.random.lines.txt.gz
> Note: to get the enwiki.random.lines.txt.gz you have to fetch it from hudson
> (warning 1 gigabyte file).
> you also have to run the test a few times to trigger it.
> ill upload the index this thing makes to this issue.
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