I'm not with free hand and cannot immediately work on it. What I know so far is that .NET outperforms only 2x difference over Mono on XSLTMark C# port (2x is not a small difference, but not that much as your testcases try to impress).
Atsushi Eno Bradford Stephens wrote: > Hey there, > > Has anyone gotten a chance to look into this? :) > > Cheers, > Bradford > > On Wed, Sep 10, 2008 at 2:19 PM, Bradford Stephens > <[EMAIL PROTECTED]> wrote: >> Thanks, I appreciate it. This has the team stumped :) >> >> On Tue, Sep 9, 2008 at 6:10 PM, Atsushi Eno <[EMAIL PROTECTED]> wrote: >>> Hello, >>> >>> That's interesting. If I have enough time I'll check what are likely >>> culprits with modified version of the cases and possibly fix them. >>> >>> Atsushi Eno >>> >>> Bradford Stephens wrote: >>>> Hello all, >>>> >>>> It seems that XPath selection is several orders of magnitude slower in >>>> Mono 2.0 on Ubuntu than on C# on Windows XP. >>>> >>>> The example below is pretty straightforward, and doesn't seem like >>>> it's much slower, but we do this millions of times a day. In some >>>> cases, I've seen parsing a document go from 10 ms on Windows to over >>>> 2000 ms on Mono 2.0/Linux. >>>> >>>> I've made a Mono Project to let you test it yourselves: >>>> http://www.giborama.com/TestSlowXML.tar >>>> >>>> I've advocated the switch of our company's platform from Windows to >>>> Linux, but XML/XPath is an essential part of the business, and with it >>>> being so slow, we're dead in the water. >>>> >>>> I would greatly appreciate any help you may have :) >>>> >>>> ~~~~ >>>> >>>> Windows XP / C# 2005: >>>> >>>> Xpath: //head/title took 2 >>>> Xpath: //[EMAIL PROTECTED] 'content']/div[starts-with (@id, 'p')] took 0 >>>> Xpath: .//h2/a took 0 >>>> Xpath: .//[EMAIL PROTECTED] 'byline']/a[position()=1] took 0 >>>> Xpath: .//[EMAIL PROTECTED] 'byline'] took 1 >>>> Xpath: .//h2 took 0 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')] took 0 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')]//img took >>>> 0 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')]//a took 0 >>>> Xpath: //[EMAIL PROTECTED] 'paging']/[EMAIL PROTECTED] 'alignright >>>> arrowforward'] took 0 >>>> >>>> >>>> Ubuntu / Mono 2.0: >>>> >>>> Xpath: //head/title took 24 >>>> Xpath: //[EMAIL PROTECTED] 'content']/div[starts-with (@id, 'p')] took 8 >>>> Xpath: .//h2/a took 1 >>>> Xpath: .//[EMAIL PROTECTED] 'byline']/a[position()=1] took 5 >>>> Xpath: .//[EMAIL PROTECTED] 'byline'] took 3 >>>> Xpath: .//h2 took 1 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')] took 5 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')]//img took >>>> 5 >>>> Xpath: .//[EMAIL PROTECTED] 'post']/div[starts-with (@id, 'pc')]//a took 5 >>>> Xpath: //[EMAIL PROTECTED] 'paging']/[EMAIL PROTECTED] 'alignright >>>> arrowforward'] took 8 >>>> >>>> Cheers, >>>> Bradford >>>> _______________________________________________ >>>> Mono-list maillist - [email protected] >>>> http://lists.ximian.com/mailman/listinfo/mono-list >>>> >>> > _______________________________________________ Mono-list maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-list
