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From: Adrien Nayrat <[email protected]>
To: Pavel Stehule <[email protected]>
To: PostgreSQL Hackers <[email protected]>
Subject: Re: different engine for JIT
Date: Fri, 3 May 2024 11:21:19 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAFj8pRBnsKpuxeuPu-_R2g=bXvbaxazw5Uk_KWOZFA=KaxF7hQ@mail.gmail.com>
References: <CAFj8pRBnsKpuxeuPu-_R2g=bXvbaxazw5Uk_KWOZFA=KaxF7hQ@mail.gmail.com>

On 5/3/24 10:07 AM, Pavel Stehule wrote:
> Hi
> 
> I found https://github.com/vnmakarov/mir?tab=readme-ov-file 
> <https://github.com/vnmakarov/mir?tab=readme-ov-file;
> 
> It should be significantly faster than llvm (compilation).
> 
> Regards
> 
> Pavel

Hello,

I can't tell about JIT, it is too complicated for me ^^

Fwiw, Pierre Ducroquet wrote an article about another (faster) 
implementation:
https://www.pinaraf.info/2024/03/look-ma-i-wrote-a-new-jit-compiler-for-postgresql/

Xing Guo replied to his article by mentioning another two prototypes :

– https://github.com/higuoxing/pg_slowjit
– https://github.com/higuoxing/pg_asmjit

It is good to see interest in this area. Current implementation is quite 
expensive and costing model risky. If often recommend disabling it and 
enabling it when it is really needed. (It is disabled by default on AWS).

Regards,

-- 
Adrien NAYRAT

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