On 14 Dec 2010 David J. Ruck wrote:

> On 14/12/2010 09:52, David H Wild wrote:
>> Netsurf is improving regularly, for which I am very grateful, but there is
>> still a "silly" with the display of progress when a file is being
>> downloaded.
>>
>> The time remaining is always calculated as if the current downloading speed
>> would remain constant at the present value. This is unlikely to be true as
>> speeds tend to vary considerably and so the time remaining figure is not
>> really useful at all.

> Please consider that this is not everyone else's experience. Downloads
> at consistent speeds are regularly achieved.

>> Either the time should be calculated by using the
>> time already passed and the fraction of the file downloaded so far, or the
>> time should be dropped from the display with only the fraction shown.

> Neither of those options are desirable. The remaining time should be
> based on the download speed averaged over the past few seconds.

I agree with this. Speeds can fluctuate wildly at times, but if you 
average the transfer rate over the last ten seconds you'll get a much 
better estimate of the time remaining. If you just use the number of 
bytes received over the last second the result is too volatile to be 
useful.

-- 
Richard Porter                        http://www.minijem.plus.com/
                                      mailto:[email protected]
I don't want a user experience.  I just want stuff that works.

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