Search Postgresql Archives

Re: How to speedup intarray aggregate function?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Dmitry Koterov escribió:
> I have written in C all needed contrib functions: intarray.bidx() (binary
> search in sorted list) and intagg.int_agg_append_state (bufferized appending
> of one array to another without linear memory reallocation). The speed now
> is great: in one case with intersection of 100000 and 15000 arrays it become
> 30ms instead of 1600 ms (50 times faster).
> 
> Few days later, after complex testing, I'll publish complete patches in
> pgsql-hackers maillist.

Did you already?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

---------------------------(end of broadcast)---------------------------
TIP 2: Don't 'kill -9' the postmaster

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux