| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Garick Hamlin <ghamlin(at)isc(dot)upenn(dot)edu>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Greg Smith <greg(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Enabling Checksums |
| Date: | 2013-03-06 18:24:43 |
| Message-ID: | 19157.1362594283@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2013-03-06 11:21:21 -0500, Garick Hamlin wrote:
>> If picking a CRC why not a short optimal one rather than truncate CRC32C?
> CRC32C is available in hardware since SSE4.2.
I think that should be at most a fourth-order consideration, since we
are not interested solely in Intel hardware, nor do we have any portable
way of getting at such a feature even if the hardware has it.
regards, tom lane
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