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appnexus / pyrobuf

A Cython alternative to Google's Python Protobuf library
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use bitmaps to track which fields are set instead of bint fields #128

Closed tburmeister closed 5 years ago

tburmeister commented 5 years ago

For a very large message (146 fields) that I tested on, this reduced the in-memory deserialized size by 40%.

tburmeister commented 5 years ago

On a synthetic message with 128 int64 fields, this reduces the size from 2088 bytes to 1088 bytes, or roughly by half.