On 21/07/11 16:52, Sébastien Boisvert wrote:
> Can you send me (pastebin) the CoverageDistribution.txt file for each of your 
> runs.
> I will add them to my unit tests.

It gets more weird. With the flush patch, Ray is able to attempt an 
assembly, presumably because coverage(0) < coverage(2):

http://pastebin.com/mK6FGR2B

Rank 0: the minimum coverage is 0
Rank 0: the peak coverage is 2
...
Number of contigs: 153
Total length of contigs: 49920
Number of contigs >= 500 nt: 29
Total length of contigs >= 500 nt: 19433
Number of scaffolds: 153
Total length of scaffolds: 49920
Number of scaffolds >= 500 nt: 29
Total length of scaffolds >= 500: 19433

Without the flush patch, Ray panics from a bad coverage distribution:

http://pastebin.com/FqumBBFH

Rank 0: the minimum coverage is 1
Rank 0: the peak coverage is 1
Rank 0: Assembler panic: no peak observed in the k-mer coverage 
distribution.
Rank 0: to deal with the sequencing error rate, try to lower the k-mer 
length (-k)
Rank 9: sent 203748 messages, received 203749 messages.
Rank 8: sent 203487 messages, received 203488 messages.
Rank 7: sent 204303 messages, received 204304 messages.
Rank 6: sent 204861 messages, received 204862 messages.
Rank 5: sent 203780 messages, received 203781 messages.
Rank 4: sent 203762 messages, received 203763 messages.
Rank 3: sent 203870 messages, received 203871 messages.
Rank 2: sent 204344 messages, received 204345 messages.
Rank 1: sent 204085 messages, received 204086 messages.
Rank 0: sent 203614 messages, received 203604 messages.

> Also, do you have a place where I could upload you data-for-unit-tests and 
> data-for-system-tests so that
> you can run tests ?

Unfortunately no. I have plenty of storage space on our Illumina server 
(and am expecting ~300TB sometime soon), can download as much as I want 
from here, but the internal network is not accessible from external 
sites (so I don't think I can set up an upload service).

-- David

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