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Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed |
Date: |
Sat, 13 May 2006 09:58:29 -0700 |
User-agent: |
Mutt/1.5.9i |
On Fri, May 12, 2006 at 12:45:24PM -0400, Achilleas Anastasopoulos wrote:
> I have some new data on this.
>
> Going from ANSI-C to C++ (NO Gnuradio) using
> STL vectors results in a 5-fold speed reduction!
>
> So Gnuradio seems to be responsible for the remaining
> 4-fold reduction (for an overall 20-fold as I reported earlier).
>
> I am OK with Gnuradio resulting in this 4-fold speed reduction,
> but I cannot swallow the fact that STL sucks that bad :-( !!!
>
> I believe that this is not specific to my application, but should be
> true for any algorithm that uses vectors/matrices.
> I wonder if anyone can corroborate this.
>
> Achilleas
Send the code ;)
What compiler command line options are you using?
Eric
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, (continued)
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, John Aldridge, 2006/05/13
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Achilleas Anastasopoulos, 2006/05/12
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Eric Blossom, 2006/05/13
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Achilleas Anastasopoulos, 2006/05/14
- Message not available
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Achilleas Anastasopoulos, 2006/05/14
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Eric Blossom, 2006/05/14
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Eric Blossom, 2006/05/14
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Dave Dodge, 2006/05/15
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, al davis, 2006/05/12
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, al davis, 2006/05/12
- Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed,
Eric Blossom <=
Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Eric Blossom, 2006/05/13
Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Achilleas Anastasopoulos, 2006/05/13
Re: [Discuss-gnuradio] ANCI-C vs Gnuradio/C++ speeeed, Achilleas Anastasopoulos, 2006/05/13