On Nov 5, 2013, at 11:12 AM, Alan Gauld <alan.ga...@btinternet.com> wrote:

> On 05/11/13 02:02, Danny Yoo wrote:
> 
>> To visualize the sheer scale of the problem, see:
>> 
>> http://i.imgur.com/X1Hi1.gif
>> 
>> which would normally be funny, except that it's not quite a joke.  :P
> 
> I think I'm missing something. All I see in Firefox is
> a vertical red bar. And in Chrome I don't even get that,
> just a blank screen...
> 
> ???
> 
> -- 
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
> http://www.flickr.com/photos/alangauldphotos

It took me a while…  If you put your cursor up in the extreme upper left hand 
corner of that red bar, you get a + sign that allows you to expand the image.  
In the expansion you will see text that explains the graphical scales in 
question.  A pixel (L1 cache), a short bar of pixels (L2 cache), a longer bar 
(RAM) and finally that huge block of pixels that represent disk latency.

-Bill
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