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Search: Posts Made By: tcharron
Forum: PrimeNet 2014-07-01, 01:04
Replies: 2,037
Views: 160,753
Posted By tcharron
Still some issues... Warning:...

Still some issues...

Warning: odbc_pconnect() [function.odbc-pconnect]: SQL error: [Microsoft][ODBC SQL Server Driver][Shared Memory]General network error. Check your network documentation., SQL...
Forum: PrimeNet 2014-06-27, 17:50
Replies: 4
Views: 462
Posted By tcharron
Doh! Makes perfect sense...

Doh! Makes perfect sense...
Forum: PrimeNet 2014-06-27, 16:16
Replies: 4
Views: 462
Posted By tcharron
GHZ-days calculation Q

Here are three recent TF results...

Exponent Result Received age Result GHz-Days
334455661 NF 2014-06-27 15:33 0.0 no factor from 2^68 to 2^69 ...
Forum: Software 2014-06-27, 16:11
Replies: 3
Views: 985
Posted By tcharron
That would stall all of the workers on the...

That would stall all of the workers on the machine, rather than just the new one.
Forum: Software 2014-06-27, 14:56
Replies: 3
Views: 985
Posted By tcharron
Feature request

Would it make sense to add a new work type "do nothing"?

I find that I occassionally want to start some work manually. One way is to add a new section to worktodo (and tell prime95 that there is...
Forum: Information & Answers 2014-01-28, 13:33
Replies: 8
Views: 725
Posted By tcharron
It's been a year

Unfortunately, it's time to change the opening line of the mersenne.org homepage...

"On January 25th, prolific GIMPS contributor Dr. Curtis Cooper...
Forum: Software 2013-09-11, 17:30
Replies: 75
Views: 6,219
Posted By tcharron
In my case, the corruption is at characters...

In my case, the corruption is at characters 78-80.

I added some print statements to both the server and the client...
on the client, the correct value is being transmitted to the server:...
Forum: Software 2013-09-10, 18:57
Replies: 75
Views: 6,219
Posted By tcharron
I found that using "2^1277-1" worked, but using...

I found that using "2^1277-1" worked, but using the expansion of this instead did not.
The line in question seems to be this one (in composite.cpp):
if (is_CompositeValue == (string)...
Forum: Software 2013-09-09, 14:59
Replies: 75
Views: 6,219
Posted By tcharron
When I use "Driver=ODBC for MySQL", the line that...

When I use "Driver=ODBC for MySQL", the line that ecmserver reports is the error I quoted earlier (which includes "driver={}").
That section of my database.ini had all of the leading characters...
Forum: Software 2013-09-06, 17:36
Replies: 75
Views: 6,219
Posted By tcharron
I should have been more clear in my first post --...

I should have been more clear in my first post -- my database is working when I access from mysql. I had already run the table setup sql script and all of the tables are there. I then used the...
Forum: Software 2013-09-06, 14:03
Replies: 75
Views: 6,219
Posted By tcharron
Hi! So I started poking around with this -...

Hi!

So I started poking around with this - basically revisiting an old problem to pass some time. I ended up building all of the latest source on Ubuntu 13.04.

The build process was not too...
Forum: PrimeNet 2013-08-28, 20:37
Replies: 3
Views: 1,196
Posted By tcharron
Another milestone!

Found this on mersenne.org today.
It's not a prime, but still pretty cool...
Forum: GPU to 72 2013-03-19, 03:00
Replies: 25
Views: 2,514
Posted By tcharron
I agree that old exponent processing could be the...

I agree that old exponent processing could be the issue, but it isn't in this case.

I see that 11 of my (thousands of) TF assignments that did not receive credit when returned. For example, four...
Forum: GPU to 72 2013-03-13, 00:27
Replies: 25
Views: 2,514
Posted By tcharron
Sure, but I wasn't just suggesting an ehancement...

Sure, but I wasn't just suggesting an ehancement to deal with accurate crediting of work...
What I mean is that if the server would notify the clients that "what you are doing is pointless" (or is...
Forum: GPU to 72 2013-03-12, 22:19
Replies: 25
Views: 2,514
Posted By tcharron
There's no record there of the work assigned to...

There's no record there of the work assigned to me... why is that?
Here is some of my log...


[Comm thread Mar 10 22:15:10] Got assignment F3E357C79128A156A90F2B4F60FAC175: Trial factor...
Forum: GPU to 72 2013-03-12, 21:04
Replies: 25
Views: 2,514
Posted By tcharron
86073649

86073649
Forum: GPU to 72 2013-03-12, 17:53
Replies: 25
Views: 2,514
Posted By tcharron
Here's someone (else?) who has racked up 3200...

Here's someone (else?) who has racked up 3200 GHz-days in the last 2 weeks, most of it by manual testing: tomtr.

I came across this as an TF result was rejected. The assignment was given on March...
Forum: Software 2013-02-14, 20:38
Replies: 19
Views: 1,594
Posted By tcharron
Great suggestion! By running each of the 16...

Great suggestion! By running each of the 16 cores with one LL and one TF thread, I get the same or slightly better throughput on the 8 LL tests as when I was running 16 LLs.

I'm now running...
Forum: Software 2013-02-13, 21:57
Replies: 19
Views: 1,594
Posted By tcharron
I know that this machine has slow memory access...

I know that this machine has slow memory access compared to newer offerings, and that will limit performance. However I also think that there is a cache issue. Either way, my goal is to understand...
Forum: Software 2013-02-13, 12:42
Replies: 19
Views: 1,594
Posted By tcharron
Read the article, then tried the command. I have...

Read the article, then tried the command. I have an SMP computer it appears...
available: 1 nodes (0)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
node 0 size: 57340 MB
node 0 free: 53437...
Forum: Software 2013-02-12, 19:08
Replies: 19
Views: 1,594
Posted By tcharron
So I looked closer at /proc/cpuinfo. It seems to...

So I looked closer at /proc/cpuinfo. It seems to tell me what I need to know about architecture after all. In that I find these details:

processor physical id core id apicid ...
Forum: Software 2013-02-12, 01:14
Replies: 19
Views: 1,594
Posted By tcharron
BLAH. Previous timings are all wrong - there...

BLAH. Previous timings are all wrong - there were inconsistent exponents there and I need to redo my tests. Some were 30million range, and others 60million range. Will follow up with more info.
...
Forum: Software 2013-02-12, 00:59
Replies: 19
Views: 1,594
Posted By tcharron
I checked the timings again from a log on the...

I checked the timings again from a log on the system

16 workers * 1 thread each: .094-.099
8 workers * 2 threads each: .035-.045
4 workers * 4 threads each: .020-.022

I should also mention...
Forum: Software 2013-02-12, 00:52
Replies: 19
Views: 1,594
Posted By tcharron
I don't have exact timings, but something like...

I don't have exact timings, but something like this:
Running 16 workers gives about .095 per iteration (on each of the 16 workers).
Running 8 workers with one helper each gives about .047 per...
Forum: Software 2013-02-11, 22:08
Replies: 19
Views: 1,594
Posted By tcharron
Quad CPU setup question

I have a Proliant DL580 G5 with four quad core xeon X7350s in it (16 cores total).

I am running 64 bit ubuntu.

When I run mprime with 16 tasks, I get poor performance. I think that this is...
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