"P Kishor" wrote...

> On Sun, Feb 22, 2009 at 2:14 PM, Fred Williams <f.willi...@verizon.net> 
> wrote:
>> Since the dawn of digital computers the CPU has been waiting on the I/O.
>> Want to go faster?  Get a faster mass storage device.  Then your CPU 
>> usage
>> will most likely jump all the way up to 9% - 14%!
>>
>> You can't believe what a 300 card per minute 80 column card reader does 
>> to
>> throughput when you use it to replace a 100 card per minute reader!  I 
>> know,
>> been there, done that! :-)
>>
>> Sit back and watch the flashing lights.  BUT, keep your hands in your
>> pockets!
>
> Very funny and illuminating as well.
>
> Here is another way to look at it. Moving at the speed of light, that
> is, at 186,000 miles per second, electrons take about
> 0.00000000101824698598782 seconds to travel about 12 inches, say, the
> distance between the data on the hard disk platter and the CPU. Pretty
> damn fast, I say.
>
> Except, in that time, my lowly Macbook CPU flipping around wildly at
> 2.4 GHz, has already been waiting, twiddling its thumbs for almost 2.5
> cycles.
>
> Work on improving your db, your application and your hard disk. Or buy
> enough ram to put everything in etherspace, then go get a cup of
> coffee.
>

Yeah, I would say that he was funny.  Thanks.  I get it now. :-)

josé


>> Fred
>>
>> -----Original Message-----
>> From: sqlite-users-boun...@sqlite.org
>> [mailto:sqlite-users-boun...@sqlite.org]on Behalf Of jose isaias cabrera
>> Sent: Sunday, February 22, 2009 1:57 PM
>> To: General Discussion of SQLite Database
>> Subject: [sqlite] Windows XP: How Can I Get Higher CPU usage from SQLite
>>
>>
>>
>> Greetings!
>>
>> I have a very small database, well, 62.1 MB (65,150,976 bytes), and when 
>> I
>> do a search on it, the CPU only goes to 7% and 12% at the most. 
>> Sometimes
>> it takes a few seconds to return with the results.  I am not complaining
>> about the 5-10 seconds of the returning of the result, but I believe that 
>> if
>> the CPU would be used more, the result would return in 1-4 seconds.
>>
>> I have left everything default, so I have not set any PRAGMA settings.
>>
>> Any ideas on how to make SQLite use the CPU more since it is sitting 
>> there
>> with System Idle Process 93%.
>>
>> Any help would be greatly appreciated.
>>
>> thanks,
>>
>> josé
>>
>
>
>
> -- 
> Puneet Kishor http://www.punkish.org/
> Nelson Institute for Environmental Studies http://www.nelson.wisc.edu/
> Open Source Geospatial Foundation (OSGeo) http://www.osgeo.org/
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