I'm validating already created primers.  One of the things I'm doing is telling 
the users if their primers will target anything else in the genome.  Since a 20 
base primer with, oh, an A to T mismatch at position 10 is still going to bind 
quite adequately, I need to be able to find those situations before they bite 
my users.  (IOW, one of the main purposes of the program I'm working on is to 
warn the users when their primer pair is also going to bind and amplify 
someplace else.  For that I need to find less than perfect matches.)

Other than setting MACHTYPE to x86_64, is there anything I need to do to make 
sure it all compiles 64 bit?

Thanks,

Greg

----- Original Message -----
From: "Jim Kent" <[email protected]>
To: "Gregory Dougherty" <[email protected]>
Cc: "genome" <[email protected]>
Sent: Wednesday, August 4, 2010 2:57:33 PM GMT -06:00 US/Canada Central
Subject: Re: [Genome] Segmentation Fault running gfServer

Try it on a larger machine, and make sure you're runing a version compiled with 
64 bit.

You are pushing the envelope here Greg.   

_Why_ do you need to have less of the 3' end match perfectly?  Are you 
amplifying non-human DNA with human primers?  

On Aug 4, 2010, at 10:19 AM, Gregory Dougherty wrote:

> On a server w/ 8 GB of RAM I tried running gfServer with a stepSize of 1, 
> tileSize of 11, on hg18.  I got a Segmentation Fault.  Running it with 
> stepSize of 2 works, and on a 4GB machine the stepSize of 2 generates a "not 
> enough memory" error rather than a segfault.
> 
> Is this a known problem?  The machine is x86_64, running Linux.
> 
> TIA,
> 
> Greg
> _______________________________________________
> Genome maillist  -  [email protected]
> https://lists.soe.ucsc.edu/mailman/listinfo/genome

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