Re: pgbench - add pseudo-random permutation function

Alvaro Herrera <alvherre@2ndquadrant.com>

From: Alvaro Herrera <alvherre@2ndquadrant.com>

To: Fabien COELHO <coelho@cri.ensmp.fr>

Cc: David Steele <david@pgmasters.net>, 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: 2020-04-02T07:01:56Z

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 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.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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