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Re: loop optimization in gcc

From: sandeep soni <saintiwara at gmail dot com>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 12 Oct 2009 23:33:01 +0530
Subject: Re: loop optimization in gcc
References: <43e4d4d20910110750v26711f80w793a5da15b267ff2@mail.gmail.com> <mcr4oq5yux3.fsf@dhcp-172-17-9-151.mtv.corp.google.com> <43e4d4d20910121044x6c950ef5g7edc2f5a2f185bd2@mail.gmail.com> <mcrk4z0v6ia.fsf@dhcp-172-17-9-151.mtv.corp.google.com>

On Mon, Oct 12, 2009 at 11:28 PM, Ian Lance Taylor <iant@google.com> wrote:
> sandeep soni <saintiwara@gmail.com> writes:
>
>> On Mon, Oct 12, 2009 at 12:13 PM, Ian Lance Taylor <iant@google.com> wrote:
>>
>>> I'm not really sure what you are asking. ?gcc supports OpenMP for
>>> parallelizing loops. ?That is mostly done in the frontends.
>>
>> I have been told that openMP does parallelizing of loops, but these
>> types of optimizations are generally done for a large clusters of
>> computers (Is this correct?).Meaning thereby that these optimizations
>> are not used for low scale systems.
>
> That is not correct. ?OpenMP parallelizes loops within a single
> system, using pthreads. ?It does not parallelize loops across
> different systems.
>
> Ian
>

Well i was under a misconception then.Thanks for clearing this.


-- 
cheers
sandy

References:
- loop optimization in gcc
  - From: sandeep soni
- Re: loop optimization in gcc
  - From: Ian Lance Taylor
- Re: loop optimization in gcc
  - From: sandeep soni
- Re: loop optimization in gcc
  - From: Ian Lance Taylor

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