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Posts by KAMasud

Posts by KAMasud

1) Message boards : Number crunching : Tasks by application = hoarding (Message 64468)
Posted 6 days ago by KAMasud
Post:

As for Windows tasks when and if they are available I might shift back from World Community Grid. They have a Climate Africa Model which runs on GPU's.

Not to my knowledge unless it started today. And I didn't get notified of a new beta. Their OPNG COVID tasks run on GPUs, but that's it I believe. Their climate model tasks run on linux/windows/mac in 32 bit and 64 bit.

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Most of my COVID run on ARM architecture which has no GPU. As to the laptops, I have allowed all types to run. They come, they go. Maybe I might catch which WU is making use of my GPU. Anyway, hoarding is a zero-sum game. I can get hold of a lot of Windows tasks in cache mode. My settings are such. 24 threads, ten plus ten days but I myself mark no further WU's after 36 WU's. It is useless, selfish to grab further WU's.
As to Linux tasks, it is useless to hoard those also.
However, I have a lot of ghost WU's on my account, of which I have no knowledge or the server has no knowledge. Maybe, lost in transmission. Which reminds me of a secret internet Black Hole. WU's enter it and then vanish. I wish someone would clean up our accounts pages. My account page shows I have twenty in progress but the fact is, I only have eight WU's. The rest, I have no idea except for the Black Hole theory.
P.S. I checked, COVID 19 is quietly using my GPU on the laptops.
2) Questions and Answers : Windows : Not running tasks on one desktop but runs on others (Message 64466)
Posted 7 days ago by KAMasud
Post:
World Community Grid is running Africa Rainfall Model. Those are GPU tasks. Interesting as to how they are running them on GPU? Collaboration between CPDN and WCG sounds fascinating. They sent two WU to me but I do not know when and how. Sneaky lot.
3) Questions and Answers : Windows : Not running tasks on one desktop but runs on others (Message 64461)
Posted 8 days ago by KAMasud
Post:
Hi
OK Just seems funny tasks are running for the climateprediction module on other pc's I have but I guess it selects the computers that best suit.
Thanks for getting back to me

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Cross talk or whatever. Penbrice, others are telling you that there are NO Windows tasks available, period. Some of your computers might cache some tasks which they are running.
https://www.cpdn.org/server_status.php
Go, check the Server Status. No Windows task available. Linux tasks are available and if you are so keen on running tasks. Download Virtual Box from Oracle and run the Linux tasks. For some kind of instructions go to the Linux section of the Message boards.
Please don't sound so pathetic or we all might end up crying.
4) Message boards : climateprediction.net Science : World’s biggest plant to capture CO2 from the air just opened in Iceland (Message 64460)
Posted 8 days ago by KAMasud
Post:
Research conducted by the Proceedings of the National Academy of Science (PNAS) points to livestock as the culprit for producing the most methane (CH4) per day, thereby increasing the threat of Global Warming. (Read: Anthropogenic emissions of methane in the United States)

This finding is supported by the Environmental Protection Agency (EPA), stating that livestock is the “largest source of methane from human-related activities.”

Methane is a colourless, odourless, tasteless, and flammable natural gas on Earth used for fuel and has been claimed by experts to contribute to the Global Warming phenomenon due to methane’s more effective heat-trapping capability in the Earth’s atmosphere than Carbon Dioxide (CO2).

Livestock, particularly cows, emit methane gas through their fart. PNAS research claims cows’ noxious flatulence are producing twice as much methane gas as previously believed by scientists. A single cow can produce between 250 litres and 500 litres (about 66 gallons to 132 gallons) of methane a day.
https://www.quora.com/What-animal-produces-the-most-methane-in-a-day?share=1
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https://www.ibtimes.com/cow-farts-have-larger-greenhouse-gas-impact-previously-thought-methane-pushes-climate-1487502

The EPA has also recognized the contribution cow farts are making to Earth’s greenhouse gases, stating earlier that globally, livestock is the “largest source of methane from human-related activities,” and are the third-largest source of methane in the U.S. A 1995 study of methane emissions from cattle found that cows typically lose about 6 per cent of their ingested energy as methane, partly a result of their slow digestive process. A single cow can produce between 250 and 500 litres, or about 66 to 132 gallons, of methane a day (the average U.S. vehicle gas tank can hold about 16 gallons of gas).
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We will have to fit a mini plant at the backside of every herbivore, which includes us also.
5) Message boards : Number crunching : Tasks by application = hoarding (Message 64450)
Posted 11 days ago by KAMasud
Post:
I was also thinking over the matter. I am running Linux tasks, so what is the argument about, Windows Tasks? With the amount of memory these Linux tasks use, a person not in his right mind may quite possibly be hoarding a few but that is about it.
As for Windows tasks when and if they are available I might shift back from World Community Grid. They have a Climate Africa Model which runs on GPU's.
6) Message boards : Number crunching : Tasks by application = hoarding (Message 64447)
Posted 12 days ago by KAMasud
Post:
I live in arid, hot South Asia. At night when I switch on my Air conditioning(to sleep), all my threads are running. In the morning I switch off the air conditioning and as the day heats up and my machines start heating up, I start suspending tasks. Clock speed increases.
If that is hoarding, then so be it.
Anyway, the project seems to be undergoing maintenance frequently and spends most of its time in dry-dock. Hoarding is a good idea. Now, any good ideas as to how to hoard WU's?


While it is possible to hoard tasks by say temporarily setting your number of cores available to far above what you use in practice, - counting virtual ones I have 16 cores but much of the time depending on task type run only 5, hoarding can increase the time taken for work units to be returned to the project which really doesn't help the science. However having enough work in the buffer to last ten or even twenty days at the rate you get through the tasks, isn't what I count as hoarding.

Also the major problem with this is computers that are either switched off or doing other work to the extent that tasks take six months or more which often renders the results useless for those doing PhD research.

________________
I was feeling a bit feline. Anyway, without hoarding I can download and keep at least forty-eight tasks minimum but as I said, the ambient temperature forces me to decide how many tasks to run at any given time. So, hoarding is not possible or feasible for me.
I know people hoard and it is irritating to the extreme but human nature and it has been going on ever since this project started up. That is why I keep bringing up these year-long completion dates. They should be slashed to four months but that is a different story and except for banging your head against a granite wall, useless to even mention. Ask Les, he is the resident expert.
7) Message boards : Number crunching : Tasks by application = hoarding (Message 64436)
Posted 13 days ago by KAMasud
Post:
I live in arid, hot South Asia. At night when I switch on my Air conditioning(to sleep), all my threads are running. In the morning I switch off the air conditioning and as the day heats up and my machines start heating up, I start suspending tasks. Clock speed increases.
If that is hoarding, then so be it.
Anyway, the project seems to be undergoing maintenance frequently and spends most of its time in dry-dock. Hoarding is a good idea. Now, any good ideas as to how to hoard WU's?
8) Message boards : Number crunching : WU Marked As Abandoned, Still Running On Computer (Message 64397)
Posted 29 days ago by KAMasud
Post:
Best guess: It's not really doing anything useful, so get rid of it.

Climate models were never intended for VMs and the like, and any results produced may not be what would be produced from the same starting data set, as just running it on a plain computer.

And I'll bet THAT starts lots of arguments.

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No arguments from my side but I have been reading that statement for quite a few days.
Les, have you observed something? Let us know, please.
Which might start an argument. No guarantees.
9) Message boards : Number crunching : Computation Errors (Message 64381)
Posted 18 Aug 2021 by KAMasud
Post:
Les, I am not meddling with anything. Now I have WU's ready to report with nothing in the transfers folder. I was just wondering if the server tells the WU to generate trickles or whatever.
When you go to the Server Status page everything is dead. Then I check with my Boinc and WU's are ready to report? So, that Internet Black Hole Theory comes to mind. Stacie at Collatz Conjecture has made up a pretty realistic looking Theory about Black Holes. Never mind.
10) Message boards : Number crunching : Computation Errors (Message 64371)
Posted 17 Aug 2021 by KAMasud
Post:
What is the function of trickles, this handshake that goes on between server and client? I am not seeing any zip files in the uploads section. A bit peculiar. Eight WU's running normally generates a zip file or two per day. I can see the message of trickles being stuck.
11) Message boards : climateprediction.net Science : Climate change in the News (Message 64370)
Posted 17 Aug 2021 by KAMasud
Post:
Suddenly, the mountain ranges and highlands have started to look good.
12) Message boards : Number crunching : Project Outage (Message 64364)
Posted 16 Aug 2021 by KAMasud
Post:
Today I am finding the message of trickle pending but no trace yet of upload of zip files pending.
13) Message boards : Number crunching : Project Outage (Message 64362)
Posted 15 Aug 2021 by KAMasud
Post:
Then, where are our trickles and uploads going? They are going somewhere.
14) Message boards : Number crunching : Computation Errors (Message 64358)
Posted 15 Aug 2021 by KAMasud
Post:
https://www.cpdn.org/workunit.php?wuid=12102206

Errored out. UK Met Office HadAM4 at N144 resolution v8.09
15) Message boards : climateprediction.net Science : Climate change in the News (Message 64329)
Posted 11 Aug 2021 by KAMasud
Post:
Monsoon Season is about over for Western South Asia. Still, waiting for rain. Can you believe it, Alexanders army came to a standstill during the Monsoons? Our rivers are running dry. The Indus river has become a stream. During the Monsoons, we plant corn, barley, etc. Not much left. Our wheat crop during winter is rain-fed, nothing. Mass migrations due to starvation is a strong possibility but to where? Every place on the Planet is in the same state.
16) Message boards : Number crunching : Project Outage (Message 64318)
Posted 10 Aug 2021 by KAMasud
Post:
Life is back to normal. Downloading is in progress. Thanks be to Jupiter, King of Gods and Climate.
17) Message boards : Number crunching : Project Outage (Message 64310)
Posted 10 Aug 2021 by KAMasud
Post:
Do we abort these WU's in the pipeline or do we wait and see? Will the server start again from halfway or have these WU's entered the Black Holes on the Internet? Over the years I have accumulated a lot of WU's which can best be described, they are in some Black Hole and be done with the matter. No record on my machines, no record on the server.
18) Message boards : climateprediction.net Science : Climate change in the News (Message 64309)
Posted 10 Aug 2021 by KAMasud
Post:
We are having a fairly mild summer in the eastern U.S. I don't think that will bring much comfort to the West.
There is no paradox at all. The heat has to go somewhere. It is the average that is rising, with variations around the mean.

Surely you studied that in your statistics course.

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The paradox lies somewhere else. The heat has to go somewhere, agreed. The paradox lies in our skin colour. Light skin tones for cooler climates. Darker skin tones for hotter climates. O' Well! The darker skin tones can take the heat. The lighter skin tones take the hue of boiled lobsters.
Did the Statistics Course also cover the correlation of skin colours? I, do not remember.
19) Questions and Answers : Unix/Linux : ARM application (Message 64300)
Posted 9 Aug 2021 by KAMasud
Post:
Interesting though. My ARM device is running some flavour of Linux. Linux is Linux, what does the architecture of the CPU have to do with the matter?
There are far too many design, implementation, programming and compiling variables to assume that the CPU architecture won't matter. The programs we are running were aimed at super-computers. Support for ARMv8-A in Linux is from around 2012. It's a long while since I used the first generation 6502 assembler. The original ARM was hard-wired, no Microcode (the Hardware Abstraction Layer) that translates the executable program into the chip's reduced instruction set. Even it ran an executable in Linux, these RISC chips are aimed at low power devices and will have (IIRC) an external L3 cache typically from 256KB to 4MB. Without architecture targeted programming/compilation, plus deep cache, don't expect data and cpu intensive programs (like CPDN) to behave nicely on a RISC device.

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The cache problem I can understand, only now they have started to increase the cache size but still nowhere near the required amount.
Les, the instruction sets SSE2 and SSE4 are in Linux. The others also, that is why we are running WU's in Linux on x86 and x64.
20) Questions and Answers : Unix/Linux : ARM application (Message 64298)
Posted 9 Aug 2021 by KAMasud
Post:
Hello
can you develop an ARM application?
Is it possible?
thanks

__________________
@fzs600. Go to World Community Grid. They need as many ARM devices( mobile devices, mobile phones, Single Board Computers) as possible for their COVID19 project. No lack of work either. Best of luck.


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