[Tilesathome] Proposal: Keeping tileset as one file

[Jiri Klement]

>  > What about CGI script? It should be much simpler than apache module
>  > and it will have access to sendfile() (zero copy), so it should be
>  > almost as fast as loading files directly by Apache.
>
>
> Zero copy will gain you nothing. The server does not starve the CPU but
>  the disk i/o - so copying around the data comes for free.

That's correct for throughput but not for latency. Tile processing
will add to total time needed to get tile because reading and
processing can't run in parallel. I'm sure cgi will provide tile
faster (though it might be insignificant compared to total time)