Re: [WWdevel] speed of WeBWorK/mysql

[Arnold P. <ap...@ma...>]

At 10:43 PM 3/2/2005, Sam Hathaway wrote:
>\On Mar 2, 2005, at 10:20 PM, Arnold Pizer wrote:
>
>>At 09:45 PM 3/2/2005, Sam Hathaway wrote:
>>>On Mar 2, 2005, at 10:35 AM, Arnold Pizer wrote:
>>>
>>>>My students in MTH 162 are seeing a significant slowdown in WeBWorK 
>>>>this semester and I'm not sure what is going on.  I'm wondering if any 
>>>>of you have seen similar things or if the symptoms bring to mind what 
>>>>the problem might be.
>>>
>>>If someone's feeling ambitious, they could write a custom version of 
>>>DB.pm that makes SQL calls directly. I think we could get some savings 
>>>if we avoided the "Schema" abstraction.
>>>-sam
>>
>>Hi Sam,
>>
>>The slow downs I'm seeing are significant --- e.g. 40 times slower than 
>>what we are used to.  Could the "Schema" abstraction have that great an 
>>overhead?
>
>It can't account for all of the slowdown, but I think there's room for 
>significant improvement. I'll take a closer look once devel is back up.
>-sam

Thanks,

Arnie


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Prof. Arnold K. Pizer
Dept. of Mathematics
University of Rochester
Rochester, NY 14627
(585) 275-7767