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drummers-lowrise
11) Message boards : Number crunching : The Winter Solstice Challenge (Message 29556)
Posted 4304 days ago by Profile FloontProject donor
Just change your prefs to 0.00 work buffer and tasks to PPS LLR until the time comes in a few hours. Then bump your prefs to 1 or 2 days and dedicate your tasks to PPS Sieving.

FA
12) Message boards : PrimeSearchTeam message board (Message 29393)
Posted 4306 days ago by Profile FloontProject donor
I'm reconfiguring my T7500 to be a 1 Million credit per day machine, so maybe I can contribute more to "the cause". I'll never catch up to lennart, but I can always aspire.

On another note, my wife is not at all happy about the heat that is pumped out by 400K per day. I wonder what she'll say about 1M/day.

FA
13) Message boards : Number crunching : Aborted tasks for primegrid_tpsieve_1.36_windows_x86_64.exe continue to run (Message 29002)
Posted 4314 days ago by Profile FloontProject donor
I have seen a similar problem/bug with PSP LLR where the wrapper dies but the "kill" signal does not get down to the task itself.

Same here. The wrapper dies, but the task persists indefinitely (I've waited up to an hour), even after I've shut down Boinc! Only a machine reboot kills the task.

FA

14) Message boards : Number crunching : Aborted tasks for primegrid_tpsieve_1.36_windows_x86_64.exe continue to run (Message 28840)
Posted 4316 days ago by Profile FloontProject donor
Well, that is odd! It's happening on Win32 as well. I can suspend the task fine; but if I abort it, even when suspended, it starts up again!

Coming to a theater near you:


The task that would not die!
15) Message boards : Number crunching : Aborted tasks for primegrid_tpsieve_1.36_windows_x86_64.exe continue to run (Message 28820)
Posted 4316 days ago by Profile FloontProject donor
PSP Sieve finished some time ago. I'm assuming that was a typo.

Tick PPS LLR as the only subproject, and that's what you'll get as CPU WUs.
Tick 'Send work from any subproject if selected projects have no work' to get PPS Sieve for GPU only.

Yes, it was a typo. I don't know what I was thinking at the time. It's PPS obviously.

Thanks for the tip. I tried it and it works! Very clever.

Of course, the non-aborting primegrid_tpsieve_1.36_windows_x86_64.exe is still going to be a problem for someone, especially during upcoming "Winter Solstice Challenge". My guess is that people won't be aborting the CPU tasks then though.

FA
16) Message boards : Number crunching : Aborted tasks for primegrid_tpsieve_1.36_windows_x86_64.exe continue to run (Message 28808)
Posted 4316 days ago by Profile FloontProject donor
Not sure if I should post this here, but it's a good place to start.

I have been concentrating on PSP sieving on my GPU's and PPS LLR on my CPU's. But recently, PPS Sieve for CPU's has snuck in, and there is no way to keep it from happening unless I decided to do absolutely no CPU crunching.

The problem is when the PSP sieve 1.36 does decide to start running and I abort it, Boinc makes it look as if it aborted, but it does not. A simple look in the task manager at a once running PSPseive 1.36 that has been supposedly aborted, shows that they are still using large amounts of CPU time. This is occurring on three of my Windows 7 (64bit) machines.

I tried the obvious "end process" which appeared to work, but soon after, that machine crashed and I lost some personal data, which I have since mostly recovered from backups after several hours of work. I suspect the crash and data loss is serendipitous to the "end process" performed on the rogue primegrid_tpsieve_1.36_windows_x86_64.exe tasks, but I am unwilling to repeat that as a test.

A full reboot always eliminates the aborted tasks, but this work-around has become tiresome the last few days. I think I may switch to pure GPU tasks until I find a way to keep this problem from happening, but that will limit me to PSP sieving.

I suppose I could create an app_info.xml file to limit myself to only certain tasks, but every time there is an upgraded revision, I'll have to make a change to that xml file. (I may have to add an app_info.xml anyway, when my GTX 460 Fermi card comes back from EVGA on warranty replacement after it burned up from 3 months of Collatz crunching).

Really, the "hanging" primegrid_tpsieve_1.36_windows_x86_64.exe needs to be fixed.

FA
17) Message boards : Number crunching : What is the best laptop to buy for PrimeGrid crunching? (Message 26635)
Posted 4386 days ago by Profile FloontProject donor
I am deferring my laptop purchase until early 2011. The reason is two-fold. 1) I have a lot of unpaid medical bills, which obviously must be paid. 2) Since I have no prospects for any side-work between now and the end of the year, I can use my primary employer-issued HP laptop with a 2nd HD caddy in place of the existing optical drive until year's end.

I bought a SATA HD drive caddy (w/o drive) for $42. I have already removed the SATA drive from my dead Dell Latitude and copied all the files (including the hidden and "protected" ones) using Knoppix which ignored the Windows 7 security of all the files. I then copied these files to my wife's Dell T7500 machine into a new partition, and recovered my email and important documents. I'll be like this until Tuesday when the caddy arrives. Then I'll reformat the ex-Dell SATA drive, secure it in the caddy and place it in my employer's machine where I'll install Windows 7 (64) and reload all my programs, email, user files and documents on it. I've already setup the HP BIOS for multi-boot.

Thanks for the advice, everyone! I'll resurrect this thread in a few months, when my revenue stream allows me to purchase my own laptop. Then I'll buy the best one out there and transfer over to it in a more orderly fashion.

FA
18) Message boards : Number crunching : What is the best laptop to buy for PrimeGrid crunching? (Message 26544)
Posted 4390 days ago by Profile FloontProject donor
Thanks for the recommendations so far. :-)

I was with a consultant today for other reasons that is a big fan of ASUS laptops. I know they are THE pick for netbooks, but what about for laptops?

Does anyone out there have an ASUS laptop or know anyone that does? How are they?

This would be new territory for me.

FA

19) Message boards : Number crunching : What is the best laptop to buy for PrimeGrid crunching? (Message 26526)
Posted 4391 days ago by Profile FloontProject donor
My laptop that died Saturday had been crunching since 24/7 January 2010. It was fairly efficient at it for an older laptop (Dell Latitude D620 with oodles of options). It is my primary machine. The wife uses the server class T7500 and I used the laptop. I'd remote into the T7500 when I'd check on it for crunching reasons.

My laptop is a quasi-work machine that I use for side work when it comes along, so I need a laptop that can run engineering programs and that I can take to an industrial site. When I am not doing a side job, the laptop crunches away. I have supplemental cooling and it gets "dusted" monthly, plus I monitor the temperatures of the CPU's in the Windows 7 tray.

I rarely use any technical support, so I don't care about Dell's dismal support. When I have a warranty item, I troubleshoot it myself, get on the phone and nurse them to the correct diagnosis.

I just recently got a company HP laptop for my "regular job". It's falling apart already; not impressed with HP's. No crunching on it, since the machine doesn't belong to me.

In conclusion: No netbook. No additional desktop. No HP laptop. And since I have been relatively pleased with Dell, although not ecstatic. The only modern Dell model line laptop I saw suggested yet was the Vostro and the core that's been suggested is the i7. I agree with the i7. I'll look into the Vostro this evening.

Are there any other Dell laptop recommendations?

Thanks!

FA


20) Message boards : Number crunching : What is the best laptop to buy for PrimeGrid crunching? (Message 26507)
Posted 4392 days ago by Profile FloontProject donor
My trusty Dell Latitude D620 video failed Saturday night. All my data is still on the SATA drive and intact. I'm transferring all the files now over to a removable drive at the moment. This is the 2nd video failure I've had on a D620 for my home laptop. It seems to be their weak point.

So, I am in the market for a new laptop. I checked the Dell scratch & dent site. It has models there I don't recognize and I hesitate purchasing something that doesn't come with a good recommendation from the good folks here. This forum is the one that got me to buy a powerful scratch and dent server "for my wife" (really for crunching) and a GTX 460 Fermi graphics card, both for cheap and I am very happy with it.

So recommendations for a Dell laptop???


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