Posts by JohnMD
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1) Message boards : Number crunching : change reducecpu=0 (Message 23945)
Posted 295 days ago by Profile JohnMD
How do you change from reducecpu=0 ?
I have tried several combinations in the appropriate config file - with no effect.
2) Message boards : Number crunching : Your best result so far? (Message 23919)
Posted 316 days ago by Profile JohnMD
@Slicker
This list seems to be out of date. Is it being updated elsewhere ?
http://boinc.thesonntags.com/collatz/highest_steps.php


edit - just seen -
https://boinc.thesonntags.com/collatz/high_steppers.php
3) Message boards : Number crunching : exit status 5 (0x5) Unknown error number (Message 23918)
Posted 316 days ago by Profile JohnMD
I get this error sometimes with opencl_nvidia_gpu. I have a 32-bit machine and sometimes it uses the pagefile.
It seems that opencl_nvidia_gpu does NOT wait for paged data to be restored. Is there a fix ??
4) Message boards : Number crunching : Longer Sieve WUs (Message 23311)
Posted 439 days ago by Profile JohnMD
Collatz has a significant number of users without a suitable GPU - current CPU WU's require 10+ hours processing.
A factor 16 will bring this to at least a week for fast CPU's - several weeks for many others.

Could you consider dynamically choosing the size ?
For example, if successful WU's are returned with less than - say - 10 minutes elapse-time, so double-up size for following WU's.
5) Message boards : Wish list : mini Collatz for old ATI non-opencl GPU ? (Message 22617)
Posted 578 days ago by Profile JohnMD
We have micro Collatz for old/slow CPU's - why not something similar for old/slow ATI GPU's without opencl ??
6) Message boards : Cafe : Don`t get any WU`s since 2 Weeks (Message 21638)
Posted 815 days ago by Profile JohnMD
Hi everyone,

since 2 weeks I don`t get any work for my two PC`s from Collatz.
It does not matter whether for short or long runs.

Has anything changed so that I don`t get work?

With best regards
Ben


Look at 'applications' - even the home page gives a strong clue.
'mini', 'solo' and 'large' disappeared weeks ago.
Only 'sieve' for PC's, 'micro' for android/raspberry.
7) Message boards : News : Sieve in Production; Large and Solo deprecated (Message 21495)
Posted 834 days ago by Profile JohnMD
Slicker wrote:
Well, when there are several hundred people who burn through hundreds of WUs at a time with errors and keep doing it, the server gets bogged down a little.

Isn't there a way for the server to blacklist hosts that "behave badly"? I'm sure I've seen this at other projects. Maybe it's not practical here or there's another good reason it's not implemented.

Please have a little patience.
The admins' sieve is so efficient - and rewarding - that they can't cope with our support. Give them a chance !
8) Message boards : Cafe : The Last One to Post Wins! XX (Message 21482)
Posted 835 days ago by Profile JohnMD


Older people know how to do. Young people needs think twice. Winning!


Ha ha!! I'm not so sure you are 'older' than I am my friend!!


Hoho. I have joined to seti@home 2007. when you have joined in boinc world?
Winning!


Yup for an 'old man' you are just a rookie to some:
SETI@home member since 17 Dec 1999
SETI@home classic workunits 62,118
SETI@home classic CPU time 383,036 hours


Okay. Too old people here. Winning!


Slow down there young fella!!

Who are you calling young ? I only hatched in 2006, so I'm the new winner.
9) Message boards : Number crunching : Reserving a core for Collatz (Message 21468)
Posted 836 days ago by Profile JohnMD
...reserve a core for Collatz GPU work...

Generally speaking, is it necessary to this? I've monitored WUs several times throughout their runs, particularly at the beginning and end, but I don't see a CPU being used very much (certainly not like GPUGrid). Am I just not looking at the right time(s)?

Generally NOT for AMD
10) Message boards : Cafe : The Last One to Post Wins! XX (Message 21440)
Posted 839 days ago by Profile JohnMD
Sorry forgot to check here....I am now winning!!!


Okay. But i'm winning!


Ho, ho, ho not so fast there my friend!!!


I'm always fast. Winning!


For an "Old man", you sure are pretty fast! :-)


For a 'goat' so are you!!

Old goats are not as fast as goody six shoes !
11) Message boards : News : Sieve in Production; Large and Solo deprecated (Message 21439)
Posted 839 days ago by Profile JohnMD
I think the WU's should [be] 10 times bigger for a start.

Bearing in mind that cpus and gpus - both large and small - can run the sieve, a choice of large, solo and mini tasks would be good for all.
Elsewhere I've seen task sizes tailored automatically to the processing unit's capabilities - cool !
12) Message boards : Wish list : Bring back the old ATI GPU application? (Message 21410)
Posted 841 days ago by Profile JohnMD
"If I can't get new apps working, I may bring back the mini_collatz app but limit it to ATI and CPU apps."


That would be cool - though collatz_sieve on CAL would be cooler !
13) Message boards : Number crunching : Mini Collatz errors (Message 21322)
Posted 855 days ago by Profile JohnMD
"The new sieve app, which does not have that bug in it, will soon be replacing the mini, solo, and large collatz apps."
Mini & solo are the only sensible projects I can run on my 128MB ATI Mobility Radeon HD 2400. What chance is there of ati14 version for collatz sieve ?
14) Message boards : Cafe : The Last One to Post Wins! XX (Message 21308)
Posted 856 days ago by Profile JohnMD
This is so silly we'll soon reach firth of fifth -
but then Peter Gabriel will be winning.
15) Message boards : Cafe : The Last One to Post Wins! XX (Message 21273)
Posted 865 days ago by Profile JohnMD
You're gonna need a forth bridge, and we scots have got one !
16) Message boards : Windows : Failed to add project? (Message 21064)
Posted 889 days ago by Profile JohnMD
Same for me.
Server status says everything's running.
After so many failures with collatz sieve, I'd stopped getting new tasks.
'Project reset' didn't help, so I tried 'detach/attach'. Can't attach...
17) Message boards : Cafe : The Last One to Post Wins! XX (Message 21032)
Posted 891 days ago by Profile JohnMD
Four what ?
18) Message boards : Number crunching : R9 Fury config (Message 21020)
Posted 892 days ago by Profile JohnMD
Hi Slikker
On the third hand, I still can't get the sieve to complete on my Ion :-(
19) Message boards : Windows : Can't add Collatz Conjecture to Boinc on Windows 10 (Message 20979)
Posted 895 days ago by Profile JohnMD
Hello Mesmart,
Collatz has been unavailable lately, but is now back again. I had no trouble adding Collatz to my W10 machine :-)
20) Message boards : Windows : No "Collatz Sieve" for Nvidia Ion (Message 20978)
Posted 895 days ago by Profile JohnMD
Thanks Slicker - I'll be looking out for 1.07.
As you can see, I was using the absolute minimum values for parameters. Maybe sieve-size could also be a parameter - with some recommendation on it's use ?


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