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Re: Review Request 129186: [baloo] Speedup Positioncodec::encode()




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Ship it!

Ship It!

- Michael Stemle


On November 7th, 2016, 6:44 p.m. UTC, Christian Ehrlicher wrote:

Review request for Baloo, KDE Frameworks and Vishesh Handa.
By Christian Ehrlicher.

Updated Nov. 7, 2016, 6:44 p.m.

Repository: baloo

Description

This patch speeds up PostingCodec::encode() by a factor of ~4 by not adding every single encoded int32 to the resulting bytearray which results in a lot of small memcpy operations. The idea is to use a preallocated QByteArray and directly encode the integers into this buffer. This makes the code a little bit more complex but the speedup should be gain enough for this.

Ping! No interest in this patch? Should I discard it?

Testing

positoncodectest calculates the same md5sum as before.

Diffs

  • src/codecs/coding.cpp (5961077)

View Diff