Re: Inlining comparators as a performance optimisation

Peter Geoghegan <peter@2ndquadrant.com>

From: Peter Geoghegan <peter@2ndquadrant.com>

To: Robert Haas <robertmhaas@gmail.com>

Cc: Tom Lane <tgl@sss.pgh.pa.us>, Greg Stark <stark@mit.edu>, Andrew Dunstan <andrew@dunslane.net>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, PG Hackers <pgsql-hackers@postgresql.org>

Date: 2011-11-20T04:13:36Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Speed up conversion of signed integers to C strings.
- 4fc115b2e981 9.1.0 cited
Remove some unnecessary tests of pgstat_track_counts.
- f4d242ef9473 9.1.0 cited
Remove cvs keywords from all files.
- 9f2e21138693 9.1.0 cited
Code cleanup for function prototypes: change two K&R-style prototypes
- b9954fbb4ef2 8.3.0 cited
Use Min() instead of min() in qsort, for consistency and to avoid
- b38900c76776 8.2.0 cited
pgindent run for 8.2.
- f99a569a2ee3 8.2.0 cited
Switch over to using our own qsort() all the time, as has been proposed
- 6edd2b4a91bd 8.2.0 cited

On 20 November 2011 03:29, Peter Geoghegan <peter@2ndquadrant.com> wrote:
> ./configure CFLAGS="-fno-inline -fno-inline-small-functions" (I could
> have disabled more -02 optimisations, but this proved sufficient to
> make my point)

I'll isolate this further to tuplesort.c soon, which ought to be a lot
more useful.

-- 
Peter Geoghegan       http://www.2ndQuadrant.com/
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