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https://issues.apache.org/jira/browse/LUCENE-9624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Feng Guo updated LUCENE-9624:
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Description:
in [LUCENE-9027|[https://github.com/apache/lucene-solr/pull/973]] lucene
introduced SIMD to decode postings, which leaves a very small problem. i hope i
can fix this as my first PR on this amazing project :).
detail:
{code:java}
maxUnpatchedValue has already computed
apache.lucene.codecs.lucene84.PForUtil#encode line 64
final long maxUnpatchedValue = (1L << patchedBitsRequired) - 1;
apache.lucene.codecs.lucene84.PForUtil#encode line 74
but computed later again:
if (longs[i] > (1L << patchedBitsRequired) - 1)...{code}
was:
in [LUCENE-9027|[https://github.com/apache/lucene-solr/pull/973]] lucene
introduced SIMD to decode postings, which leaves a very small problem. i hope i
can fix this as my first PR on this amazing project :).
detail:
maxUnpatchedValue has already computed:
{code:java}
apache.lucene.codecs.lucene84.PForUtil#encode line 64
final long maxUnpatchedValue = (1L << patchedBitsRequired) - 1;{code}
> fix duplicate compute on maxUnpatchedValue
> ------------------------------------------
>
> Key: LUCENE-9624
> URL: https://issues.apache.org/jira/browse/LUCENE-9624
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/codecs
> Reporter: Feng Guo
> Priority: Major
>
> in [LUCENE-9027|[https://github.com/apache/lucene-solr/pull/973]] lucene
> introduced SIMD to decode postings, which leaves a very small problem. i hope
> i can fix this as my first PR on this amazing project :).
> detail:
> {code:java}
> maxUnpatchedValue has already computed
> apache.lucene.codecs.lucene84.PForUtil#encode line 64
> final long maxUnpatchedValue = (1L << patchedBitsRequired) - 1;
> apache.lucene.codecs.lucene84.PForUtil#encode line 74
> but computed later again:
> if (longs[i] > (1L << patchedBitsRequired) - 1)...{code}
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