On 1/13/24 15:20, Andreas Wacknitz via openindiana-discuss wrote:
Am 14.01.24 um 00:13 schrieb Goetz T. Fischer:
i'm afraid making ips fast needs more than just a cython module here
and there.
don't get me wrong, that's not indiana's fault but a genernal ips
issue. maybe having a closer look at
mr. Wegmueller's go version would be a good idea after all.
If you want to make IPS fast you will probably need more than switching
the implementation language.
As Aurélien mentioned, IPS is using a SAT solver. So it might be
necessary to also change the algorithms.
Are you sure that you can devote enough time to achieve real advantages?
Any such effort should start by profiling to see where the time actually
goes - don't assume the SAT solver is eating it all. My casual pokes at
it showed a lot of time going into manipulating the on-disk metadata,
with a lot of short write() syscalls instead of using buffered I/O - but
that may not have been a representative sampling of where the time goes.
- Bill
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