Ice is melting on the North Pole

Discuss the application of the Dharma to situations of social, political, environmental and economic suffering and injustice.
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Virgo
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Re: Ice is melting on the North Pole

Post by Virgo »

Lariliss wrote: Fri Oct 29, 2021 10:34 am At least we know the numbers.
Pictures are spectacular, but the ice melt level is measured and cross-checked in many ways (Wikipedia).

http://nsidc.org/arcticseaicenews/

Definitely the space facilities that are looking towards the Earth are increasing, giving the precious data as never before.
Yes, and apparently Musk alone has over 1,500 starlinks in space.
Lariliss wrote: Fri Oct 29, 2021 10:34 am And pictures bring any usual person an awareness and insight closer to what is going on with climate.
They are very useful. But unfortunately the drives that drive us to put the equipment in space we use to get these pictures are the same drives that have put us in this situation in the first place.

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Lariliss
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Re: Ice is melting on the North Pole

Post by Lariliss »

Dear Virgo, you are exactly right.
There are always two sides of the coin.

Satellites are used in many applications and should be targeted, essential (for example CO2 measurement precision increase, specific ecosystems surveillance, data service delivery for far locations).

But the reality is increasing the benefit and getting first in the race. Which is particularly decreasing the Earth albedo, as one of the consequences.

We use supercomputers for fast calculation, modelling and action, and at the same time these computers have enormous power consumption.
These issues have leverages with technology optimizations.
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Virgo
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Re: Ice is melting on the North Pole

Post by Virgo »

Lariliss wrote: Fri Oct 29, 2021 7:01 pm
We use supercomputers for fast calculation, modelling and action, and at the same time these computers have enormous power consumption.
These issues have leverages with technology optimizations.
I guess we should expend more energy in order to optimize.

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Lariliss
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Re: Ice is melting on the North Pole

Post by Lariliss »

If each supercomputer could be designed to meet the particular requirements of a task it could be optimized in the most efficient way.

All of the cores that do not use a lot of power would waste cycles, because processors will wait for information stored on main memory.
The key step is to understand what the workload shape is. Energy efficiency comes from the utilization level within a cluster.

If an application isn't parallelized well, or if it needs higher frequency processors, then the best thing is to put the right processor and the right number of them so power is not wasted on CPU cycles that are not being used.

It is possible to increase cluster utilization by flexible control of the number of processors being fed power at a one time and to assign the tasks between processors flexibly.
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