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Search took 0.01 seconds. Search: Posts Made By: sleigher
Forum: Msieve 2011-11-15, 01:00
Replies: 56
Views: 6,099
Posted By sleigher
That's great that you have 25 years experience. ...

That's great that you have 25 years experience. I don't. Nor do I have 25 years to spend studying it to understanding it at the level you seem to think everyone should.

I was under the...
Forum: Msieve 2011-11-15, 00:25
Replies: 56
Views: 6,099
Posted By sleigher
It's not that I don't want to be bothered. I am...

It's not that I don't want to be bothered. I am a Sr. Level Systems Architect for a large healthcare company and have 3 kids. Although I do want to be bothered to learn whatever I can, with only 24...
Forum: Msieve 2011-11-14, 13:17
Replies: 56
Views: 6,099
Posted By sleigher
Jason, Thanks for that. RD, I am trying to...

Jason, Thanks for that.

RD, I am trying to understand these things. That's what I ask those who know
to point me in the right direction. Unfortunately I don't have a math degree, or any...
Forum: Msieve 2011-11-13, 15:48
Replies: 56
Views: 6,099
Posted By sleigher
noob poly questions

Hi Guys,

I was hoping someone could take a second and help me understand the differences in the following outputs.

These are both from RSA-154

The first one the c0: is - and the second one...
Forum: Msieve 2011-11-12, 19:35
Replies: 8
Views: 2,122
Posted By sleigher
Curious about the cuda11_test branch in svn. I...

Curious about the cuda11_test branch in svn. I have the regular msieve-149 version running on a
GTX 465 Nvidia card and has been running for about 24 hours. So far that has not really given me...
Forum: Msieve 2011-07-02, 16:58
Replies: 3
Views: 1,031
Posted By sleigher
comparing GPU's

Has there been any research put into time that different CUDA gpu's take for polynomial selection? Like 8800 GT vs 465 GT? Does the number of cores affect the timing significantly?

Is there...
Forum: Msieve 2011-07-01, 19:13
Replies: 146
Views: 16,438
Posted By sleigher
Hi I commented out the 3 lines in the...

Hi

I commented out the 3 lines in the stage1.c file that call this


#ifdef HAVE_CUDA

CUDA_TRY(cuCtxDestroy(poly->gpu_context))

#endif
Forum: Msieve 2011-07-01, 18:54
Replies: 146
Views: 16,438
Posted By sleigher
Hello All, I am running 64-bit linux. Centos...

Hello All,

I am running 64-bit linux. Centos 5.5 x86_64 with a nvidia card:

nVidia Corporation G92 [GeForce 8800 GT] (rev a2)

When running make with the appropriate options, things go well...
Forum: Msieve 2010-04-09, 01:02
Replies: 17
Views: 3,251
Posted By sleigher
My gcc compiler is 4.1.2 in redhat 5.3. Actually...

My gcc compiler is 4.1.2 in redhat 5.3. Actually CentOS but the same nevertheless. I was gonna try to use 4.2.3 and see if made a difference.

--
Forum: Msieve 2010-04-08, 22:05
Replies: 17
Views: 3,251
Posted By sleigher
Done. Thanks Paul!

Done. Thanks Paul!
Forum: Msieve 2010-04-08, 20:28
Replies: 17
Views: 3,251
Posted By sleigher
I have all the data.

I have all the data.
Forum: Msieve 2010-04-08, 17:56
Replies: 111
Views: 11,896
Posted By sleigher
So what files do I bring over to windows to...

So what files do I bring over to windows to complete the square root?

I can probably figure it out by time stamps.....
Forum: Msieve 2010-04-08, 15:32
Replies: 17
Views: 3,251
Posted By sleigher
So I did post this in another thread before I saw...

So I did post this in another thread before I saw this one.

I am getting a seg fault using msieve 1.45 from svn. Is it necessary to use a previous version of msieve for the square root part?

...
Forum: Msieve 2010-04-08, 14:39
Replies: 111
Views: 11,896
Posted By sleigher
Well it looks like something else is happening. ...

Well it looks like something else is happening.

I am seeing this:


bash% ./msieve -nc3 -v
...
commencing square root phase
reading relations for dependency 1
read 2090616 cycles
Forum: Msieve 2010-04-08, 13:26
Replies: 111
Views: 11,896
Posted By sleigher
ok. I didn't know what to expect. Thanks.

ok. I didn't know what to expect. Thanks.
Forum: Msieve 2010-04-08, 00:53
Replies: 111
Views: 11,896
Posted By sleigher
So I am finally starting the sqrt phase of the...

So I am finally starting the sqrt phase of the factorization.

Just curious how long I can expect this phase to take. 154 Digit number. It took about 79 hours to do the algebra phase.

--
Forum: Msieve 2010-03-26, 17:38
Replies: 111
Views: 11,896
Posted By sleigher
Well the awk one liner did do the trick. I have...

Well the awk one liner did do the trick. I have a lot of memory and it got me down to the 22 million relations I should have had. Instead of ~500 million.

That uses an array to search everything...
Forum: Msieve 2010-03-25, 22:25
Replies: 111
Views: 11,896
Posted By sleigher
Thanks awk '!arr[$1]++' FS=\: seemed to do...

Thanks

awk '!arr[$1]++' FS=\: seemed to do the trick nicely.
Forum: Msieve 2010-03-25, 20:46
Replies: 111
Views: 11,896
Posted By sleigher
So as long as I can match the first pair before...

So as long as I can match the first pair before the colon I will know I have a dupe?

Thanks for your help.
Forum: Msieve 2010-03-25, 20:06
Replies: 111
Views: 11,896
Posted By sleigher
Is there a way to run filtering on a dat file and...

Is there a way to run filtering on a dat file and not have to output go to a binary file? Or I guess a better question is, what data on each line of the dat file is compared to determine if it is a...
Forum: Msieve 2010-03-24, 20:14
Replies: 111
Views: 11,896
Posted By sleigher
So I am trying to understand what is happening...

So I am trying to understand what is happening when filtering is happening.

It seems that it reads the .dat file and puts the data in the .dat.hc file until the second pass. Then as it does the...
Forum: Msieve 2010-03-24, 18:24
Replies: 111
Views: 11,896
Posted By sleigher
I did run -h and that's why I said I wasn't sure...

I did run -h and that's why I said I wasn't sure about that -r option. I guess I didn't know I needed to run filtering first.

Thanks Jason
Forum: Msieve 2010-03-24, 17:50
Replies: 111
Views: 11,896
Posted By sleigher
It has 8 GB of RAM. I tried on that machine and...

It has 8 GB of RAM. I tried on that machine and another with 4 GB. Same thing.....
Forum: Msieve 2010-03-24, 16:54
Replies: 111
Views: 11,896
Posted By sleigher
Jason, I am trying to run this linear algebra...

Jason, I am trying to run this linear algebra stage and am having some error about allocating memory.

failed to calloc 1726416288 bytes

My command line looks like this

./msieve -nc2 -s...
Forum: Factoring 2010-03-23, 15:12
Replies: 797
Views: 70,257
Posted By sleigher
Well I moved everything to another location so I...

Well I moved everything to another location so I have disk space again.

Gonna try to work out the msieve options for the next phase.

Thanks all of you for your help in this.
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