| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <pg(at)heroku(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Ants Aasma <ants(at)cybertec(dot)at> |
| Subject: | Re: better atomics - v0.6 |
| Date: | 2014-09-22 21:01:07 |
| Message-ID: | 20140922210106.GC2521@awork2.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi,
I've finally managed to incorporate (all the?) feedback I got for
0.5. Imo the current version looks pretty good.
Most notable changes:
* Lots of comment improvements
* code moved out of storage/ into port/
* separated the s_lock.h changes into its own commit
* merged i386/amd64 into one file
* fixed lots of the little details Amit noticed
* fixed lots of XXX/FIXMEs
* rebased to today's master
* tested various gcc/msvc versions
* extended the regression tests
* ...
The patches:
0001: The actual atomics API
0002: Implement s_lock.h support ontop the atomics API. Existing
implementations continue to be used unless
FORCE_ATOMICS_BASED_SPINLOCKS is defined
0003-0005: Not proposed for review here. Just included because code
actually using the atomics make testing them easier.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Add-a-basic-atomic-ops-API-abstracting-away-platform.patch | text/x-patch | 108.3 KB |
| 0002-Add-implementation-of-spinlocks-using-the-atomics.h-.patch | text/x-patch | 3.6 KB |
| 0003-XXX-Hack-ShmemAlloc-to-align-all-allocations-to-cach.patch | text/x-patch | 1.4 KB |
| 0004-Convert-the-PGPROC-lwWaitLink-list-into-a-dlist-inst.patch | text/x-patch | 10.9 KB |
| 0005-Wait-free-LW_SHARED-lwlock-acquiration.patch | text/x-patch | 37.0 KB |
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