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Performance of threaded interpreter on hyper-threaded CPU

Michel Schinz
- Xavier Leroy
  - Michel Schinz
    - Till Varoquaux
      - Michel Schinz
    - Stefan Monnier
    - Xavier Leroy
      - gang chen
      - Michel Schinz
    - Joaquin Cuenca Abela
      - Joaquin Cuenca Abela
- Christophe TROESTLER
  - Jonathan Roewen
    - Christophe TROESTLER

Date:	2006-04-27 (11:42)
From:	Joaquin Cuenca Abela <e98cuenc@y...>
Subject:	Re: [Caml-list] Re: Performance of threaded interpreter on hyper-threaded CPU

Joaquin wrote:
>
> FWIW, I did some tests with gcc 3.4.2, and -fno-crossjumping
> works *sometimes*. If you combine it with -O2 *and* your virtual
> machine has less than 10 opcodes (??) then -fno-crossjumping
> works as expected.

And replying to myself, this problem seems to be fixed in gcc 4.0.0

See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15242

-- 

Joaquin Cuenca Abela