Re: rand48 replacement

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Aleksander Alekseev <aleksander(at)timescale(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: rand48 replacement
Date: 2021-07-03 07:06:06
Message-ID: alpine.DEB.2.22.394.2107030902400.2359988@pseudo
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers

Hello Dean & Tom,

Here is a v4, which:

- moves the stuff to common and fully removes random/srandom (Tom)
- includes a range generation function based on the bitmask method (Dean)
but iterates with splitmix so that the state always advances once (Me)


Attachment Content-Type Size
prng-4.patch text/x-diff 47.3 KB

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Domingo Alvarez Duarte 2021-07-03 08:39:02 Grammar railroad diagram
Previous Message Dilip Kumar 2021-07-03 05:53:06 Re: Logical replication - schema change not invalidating the relation cache