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[Freeciv-Dev] Re: (PR#11562) Freeciv Server Performance

[Freeciv-Dev] Re: (PR#11562) Freeciv Server Performance

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To: kaufman@xxxxxxxxxxxxxxxxxxxxxx
Subject: [Freeciv-Dev] Re: (PR#11562) Freeciv Server Performance
From: "Vasco Alexandre da Silva Costa" <vasc@xxxxxxxxxxxxxx>
Date: Fri, 17 Dec 2004 10:39:00 -0800
Reply-to: bugs@xxxxxxxxxxx

<URL: >

On Thu, 16 Dec 2004, Mike Kaufman wrote:

> <URL: >
> Observations:
> on the S2_0 and HEAD versions, there is an annoyingly long wait after game
> start but before con_prompt_init(). This may be the entire difference on
> 1 turn games.
> Sanity checking on game loading (by S2_0 and HEAD) found some savegame
> errors for the 2001 and 2101 games.
> Loading the game and rulesets are probably the majority of the time on 1
> turn games.
> In the later stages, S2_0 and HEAD are insanely slow compared to 1.14.2
> Taking 2 and 3 times as long is simply unacceptable.
> Waiting 30-40sec on turn done on a P4 is bad enough. I dare not see
> how pubserver handles this!
> Serious thought about optimization is warranted here.

Try -O3. It should boost the effects code by a whole lot, for one.

From your tests S2_0 is 3-4x slower than S1_14.

> If people have any patches or scripts they use to measure server
> performance, then by all means, post them here.
> If someone would like to post a recent profile, that would be nice too.

Compile the server with "-pg -g" and run it. After it terminates with
exit(0) as normal, run "gprof <executable-name>".

Vasco Alexandre da Silva Costa @ Instituto Superior Tecnico, Lisboa

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