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https://issues.apache.org/jira/browse/THRIFT-248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662583#action_12662583
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Kevin Clark commented on THRIFT-248:
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Most of the operations in MemoryBuffer happen in C anyway (as that's how Ruby
implements them). What I think would produce a bigger speedup is that if we're
using a buffered protocol, borrow and consume should be used. BPA saw big gains
when using borrow/consume vs the normal read. I'd try that before doing any
more memory buffer in C stuff, or going the fn ptr route.
> Factor BinaryProtocolAccelerated into separate protocol and struct components
> -----------------------------------------------------------------------------
>
> Key: THRIFT-248
> URL: https://issues.apache.org/jira/browse/THRIFT-248
> Project: Thrift
> Issue Type: Improvement
> Components: Library (Ruby)
> Reporter: Bryan Duxbury
> Assignee: Bryan Duxbury
> Priority: Minor
> Attachments: thrift-248-v2.patch, thrift-248-v3.patch,
> thrift-248-v4.patch, thrift-248-v5.patch, thrift-248.patch
>
>
> Kevin Clark's excelled BinaryProtocolAccelerated implementation in the Ruby
> library is very fast, in large part due to the fact that it implements not
> just the protocol but also the struct components of serialization directly as
> a C extension. The problem with this arrangement is that other protocols that
> would benefit from accelerated struct code don't get the benefit. In
> particular, I'd like to make my implementation of the Compact Protocol fast
> in Ruby, and the key appears to be the struct serialization code.
> I think that we should make an effort to divorce the struct stuff from the
> protocol stuff in BinaryProtocolAccelerated, so that all protocols can
> benefit. Some quick benchmarking seems to indicate that there is going to be
> some additional method call overhead in this situation, but it's not really
> that substantial.
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