loop optimization in gcc

sandeep soni saintiwara@gmail.com
Mon Oct 12 21:15:00 GMT 2009

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.


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