From: Christophe Raffalli <christophe@raffalli.eu> To: Florian Angeletti <florian.angeletti@inria.fr>, caml-list@inria.fr Subject: [Caml-list] Sequential speed 4.12.0 vs 4.13.1 vs multicore (Was: The road to OCaml 5.0) Date: Fri, 8 Oct 2021 14:07:22 -1000 [thread overview] Message-ID: <20211009000722.otsy76prtixl226t@oulala> (raw) In-Reply-To: <20211008203420.krbaicozculplmfk@oulala> [-- Attachment #1: Type: text/plain, Size: 683 bytes --] Hello, I managed to install ocaml 4.12.0 with multicore. I could not parallelise my code in 5mn ;-) but I check just the sequential speed and got a bit surprised. On the same examples, same options (flambda everywhere), etc ... Ex 1 Ex 2 Ex 3 4.13.1 normal 45s 12s 49s 4.12.0 normal 36s 11s 45s 4.12.0 multicore 31s 10s 40s These are not small differences and it is rather surprising that 4.13.1 is significantly slower than 4.12.0 (20 to 25%) 4.12.0 + multicore is faster on sequential code. Other people observe the same ? Any idea ? Should I report an issue for the speed degradation of 4.13.1 ? Christophe [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --]
next prev parent reply other threads:[~2021-10-09 0:07 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-07 9:48 [Caml-list] The road to OCaml 5.0 Florian Angeletti 2021-10-08 1:42 ` Francois Berenger 2021-10-08 20:34 ` Christophe Raffalli 2021-10-09 0:07 ` Christophe Raffalli [this message] 2021-10-09 0:58 ` [Caml-list] Sequential speed 4.12.0 vs 4.13.1 vs multicore (Was: The road to OCaml 5.0) Michael Bacarella 2021-10-09 1:11 ` Michael Bacarella 2021-10-09 1:20 ` Michael Bacarella 2021-10-09 2:10 ` Christophe Raffalli 2021-10-09 17:20 ` Xavier Leroy 2021-10-10 3:37 ` Christophe Raffalli 2021-10-09 17:14 ` ygrek
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