byzhang / graphchi

Automatically exported from code.google.com/p/graphchi
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Assertion `numvertices == max_right_vertex + 1' failed. #21

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago
What steps will reproduce the problem?

1. using sparse matrix available at
https://raw.github.com/gist/3422269/e0a585749a3a9ae84003fc368e80b69398a30d22/gis
tfile1.txt

2. ./bin/als training lsa_test.mm

What is the expected output? What do you see instead?

expected decomposition, instead got assertion failure.
for full output see https://gist.github.com/3422275

What version of the product are you using? On what operating system?

setup as described 
http://bickson.blogspot.co.at/2012/08/collaborative-filtering-with-graphchi.html
?m=1

Original issue reported on code.google.com by matthew....@gmail.com on 22 Aug 2012 at 4:27

GoogleCodeExporter commented 9 years ago
never mind, i think this was because i was feeding a non bipartite graph to als

Original comment by matthew....@gmail.com on 26 Aug 2012 at 4:21

GoogleCodeExporter commented 9 years ago
in fact, i still don't understand the file format. i might ask about this on 
the mailing lists

Original comment by matthew....@gmail.com on 26 Aug 2012 at 4:37