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Re: [Discuss-gnuradio] oprofile inband code results
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] oprofile inband code results |
Date: |
Tue, 9 Oct 2007 20:45:08 -0700 |
User-agent: |
Mutt/1.5.9i |
On Tue, Oct 09, 2007 at 11:32:52PM -0400, George Nychis wrote:
>
> Eric Blossom wrote:
> >Because we use a lot of them to construct argument lists.
> >It would be possible to move to an pmt_vector based approach, which
> >would cut this down dramatically. I think we're still a bit early in
> >the game to start that kind of modification.
> >
> >I think the first thing I would try is moving to the intrusive
> >implementation of the boost shared pointers for the pmt types.
> >Then I'd look at a data type specific alloc/free as well as see how
> >the default allocator is working across multiple threads. That is,
> >does it already use a separate allocation pool / thread. If it
> >doesn't, we could speed up the allocation/free and reduce the amount
> >of locking required in the typical case.
> >
> >Before hacking away, I think we need to run the same test cases on
> >other machines besides the P4 Xeon and gather the oprofile data, as
> >well as the basic [ $ time <mytest> ] numbers. We may find wildy
> >different answers as f(microarchitecture). There's a reason intel
> >isn't featuring the P4 Xeon anymore ;)
> >
>
> This sounds good to me. I can contribute numbers for the core duo,
> which is my x60s laptop. Other than that, I think I only have access to
> P4's. Let me organize this in terms of which applications to run for
> the testing, write up a little how-to for running the tests, and maybe
> others on the list can contribute results with different architectures.
Very good.
Eric
- Re: [Discuss-gnuradio] oprofile inband code results, (continued)
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/07
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/08
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Brian Padalino, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Brian Padalino, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results,
Eric Blossom <=
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/10
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/10
Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/07