[Monotone-devel] Speedup chances

[Christof Petig]

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just some notes for myself on the performance problems with OE:

- - hex_decode is used extensively by roster.cc: parse_marking (and
expensive)
- - get_roster_version is taking 90% of the time
- - hex_decode is taking 25% of the time
- - hex_encode is taking 15% of the time (both use malloc extensively)

Most probably a hand coded hex decoder for a fixed length of 40 digits
would not take 10000 cycles per call 8-O

   Christof
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