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Re: Download performance

From: Jacky Lam <sylam_at_emsoftltd.com>
Date: Wed, 27 Mar 2002 17:53:22 +0800

On Wednesday 27 March 2002 17:08, Daniel Stenberg wrote:
> On Wed, 27 Mar 2002, Jacky Lam wrote:
> > > I don't have any answers to why this happens. Before we continue on
> > > this, can you please post more detailed and specific, both test results
> > > and details on how your tests have been performed?
> >
> > The program I am developing is a web browser. I just mark the
> > performance by downloading a page serveral times and taking the average.
> > With other parts of browser remains the same, downloading a local(HK)
> > page requires 14s for libcurl version, but 30s for libwww version.
> > However, for www.cnn.com, the result is just reversed. Libwww seems
> > downloading much faster.
>
> You mean the entire CNN front page, including all the images etc? Can that
> be because of A) your lack of persistency due to the cleanup/init all the
> time and perhaps B) libcurl does not offer pipelining.
>
> I would say that A is a likely reason, while B wouldn't make such a huge
> difference.
>

        I think A would be true. I will try to modify my implementation to see if
differences exist. Thx.

Jacky
Received on 2002-03-27