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https://issues.apache.org/jira/browse/TINKERPOP-1206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197324#comment-15197324
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ASF GitHub Bot commented on TINKERPOP-1206:
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Github user okram commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/266#issuecomment-197335092
@twilmes -- it would be great if you reviewed this ticket as it has to do
with speed up in `TraverserRequirement` calculations. Perhaps some profiling
magic on your side (compared to `master/`) would be possible.
> ExpandableIterator can take a full TraverserSet at once -- Barriers.
> --------------------------------------------------------------------
>
> Key: TINKERPOP-1206
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1206
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.1.1-incubating
> Reporter: Marko A. Rodriguez
>
> I haven't looked at {{ExpandableIterator}} in over a year. Its one of the
> most fundamental structures of a Gremlin traversal. I just realized it can
> take an entire {{TraverserSet}}. As such, if the previous step is a
> {{Barrier}}, don't iterate the barrier out, simply "dump it" into the current
> steps {{ExpandableIterator}}. That should speed up things significantly --
> though there are not that many barrier steps... but still.
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