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From: ashutosh r. <ash...@gm...> - 2015-07-05 07:27:08
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Thanks James Lewis and Bryan Thomson, it worked after making changed in Pagerank.h file Ashutosh On Sat, Jul 4, 2015 at 9:17 PM, James Lewis <jl...@sy...> wrote: > If you want to increase the accuracy of the result, you want to change the > value used to consider an element changed. This is found in the apply > struct defined in PageRank.h: > > if (fabs(oldvalue - newvalue) < 0.01f) > changed = 0; > > Changing the 0.01f to a lower value will increase the accuracy of the > result, and require more iterations to converge. You may also need to > specify a higher value for iter_num so that it won't terminate before it > converges. > > Cheers, > > James > > ________________ > James Lewis > CUDA Researcher > Systap LLC > jl...@sy... > Tel: (801)-860-8752 > > Blazegraph™ <http://www.blazegraph.com/> is our ultra high-performance > graph database that supports both RDF/SPARQL and Tinkerpop/Blueprints APIs. > MapGraph™ <http://www.systap.com/mapgraph> is our disruptive new > technology to use GPUs to accelerate data-parallel graph analytics. > > CONFIDENTIALITY NOTICE: This email and its contents and attachments are > for the sole use of the intended recipient(s) and are confidential or > proprietary to SYSTAP, LLC. Any unauthorized review, use, disclosure, > dissemination or copying of this email or its contents or attachments is > prohibited. If you have received this communication in error, please notify > the sender by reply email and permanently delete all copies of the email > and its contents and attachments. > > On Sat, Jul 4, 2015 at 7:27 AM, ashutosh raghuvanshi < > ash...@gm...> wrote: > >> Hello, I am working on a research on to taking graph processing and >> graph database processing on to GPGPU ans I am using Mapgraph against other >> applicatons on multicore CPU and CPU clustures. >> >> I need help in the proccess. >> >> If i run Pagerank on soc-livejournal1 dataset it completes in 60 >> iterations but if I want to run it for more number of times then what to do? >> -p iter_num=50 (any no. less than 60) works but -p iter_num=70 (any no. >> greater than 60 doesn't work) >> >> even tol=0.1 is only for checking...that also doesn't go for more >> accurate results. >> >> so please help ASAP. >> >> >> ------------------------------------------------------------------------------ >> Don't Limit Your Business. Reach for the Cloud. >> GigeNET's Cloud Solutions provide you with the tools and support that >> you need to offload your IT needs and focus on growing your business. >> Configured For All Businesses. Start Your Cloud Today. >> https://www.gigenetcloud.com/ >> _______________________________________________ >> mpgraph-developers mailing list >> mpg...@li... >> https://lists.sourceforge.net/lists/listinfo/mpgraph-developers >> >> > |