Robert Muir created LUCENE-5728:
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Summary: use slice() api in packedints decode
Key: LUCENE-5728
URL: https://issues.apache.org/jira/browse/LUCENE-5728
Project: Lucene - Core
Issue Type: Improvement
Reporter: Robert Muir
Today, for example 8-bpv decoder looks like this:
{code}
in.seek(startPointer + index);
return in.readByte() & 0xFF;
{code}
If instead we take a slice of 'in', we can remove an addition. Its not much,
but helps a little. additionally we already (in PackedInts.java) compute the
number of bytes, so we could make this an actual slice of the range, which
would return an error on abuse instead of garbage data.
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