Re: pgbench - add pseudo-random permutation function

David Steele <david@pgmasters.net>

From: David Steele <david@pgmasters.net>

To: Alvaro Herrera <alvherre@2ndquadrant.com>, Fabien COELHO <coelho@cri.ensmp.fr>

Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Thomas Munro <thomas.munro@gmail.com>, Hironobu SUZUKI <hironobu@interdb.jp>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2020-04-09T12:46:48Z

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 →

pgbench: Function to generate random permutations.
- 6b258e3d688d 14.0 landed
Add basic support for using the POPCNT and SSE4.2s LZCNT opcodes
- 711bab1e4d19 12.0 cited
Further improve code for probing the availability of ARM CRC instructions.
- a7a7387575b8 11.0 cited

On 4/2/20 3:01 AM, Alvaro Herrera wrote:
> On 2020-Apr-02, Fabien COELHO wrote:
> 
>>> I'm planning to mark this patch RwF on April 8 and I suggest you
>>> resubmit if you are able to get some consensus.
>>
>> People interested in non-uniform benchmarks would see the point. Why many
>> people would be happy with uniform benchmarks only while life is not uniform
>> at all fails me.
> 
> I don't think we should boot this patch.  I don't think I would be able
> to get this over the commit line in this CF, but let's not discard it.

Understood. I have moved the patch to the 2020-07 CF in Needs Review state.

Regards,
-- 
-David
david@pgmasters.net