Macro-economic consequences of Moore's law?

By: Ireland (boh.delete@this.outlook.ie), April 20, 2017 9:55 am
Room: Moderated Discussions
Ricardo B (ricardo.b.delete@this.xxxxx.xx) on April 20, 2017 9:15 am wrote:
>
> I've run the experiment.
> My dirt cheap laptop lost none of it's (limited) autonomy when I swapped the HDD for an SSD.
>
> My cheap laptop has a 33.4 Wh battery.
> My SSD has a peak power consumption of 3.5 watt, similar to the slow HDD that it replaced.
> It would need 9.5 hour to drain the battery, going at full tilt.
>
> In practice, the system drawn 15-20 watt and I'm lucky to get 2 hours out of it.
>
> Storage's power consumption is a second order issue on a mobile device's power bugdget.
>


Well then, we've established a data point. So that's around 0.7 of an amp, that your solid state drive is drawing, and your getting an extra performance boost. How does the system perform?

All I'd do is continue to run the laptop you mention, with this solid state drive - for a period of like a month. Just watch in case the thing, freezes or crashes on you, in un-expected ways. That's how one really has to 'run' this experiment. An awful lot of laptops out there, will fail the experiment (because they were purposefully designed around crap, low amp drives).

What's the conclusion of the experiment? Or what questions are we still left with?

Why are there 'dirt cheap' tablets that can last in charge for a whole day - and 'dirt cheap' laptops never do? I don't know what the cost distribution between parts inside a tablet is like - but I'd guess that the 'battery' and power sub-system of a tablet/phone - costs as much or more, than what the 'CPU' costs. And I'd bet that in laptop systems, the CPU costs much more than the battery/power system. And that's what's really wrong with laptops, I think.

Like, it isn't even that. Even with higher priced laptops - the battery power is never much more than that 'two hours', that you mention. We're still back to this - we're back to the fact that tablets and phones offer a whole day's charge and ability to use it. Okay, they offer 'compact' form factors too, nice ergonomics, it's like holding a notebook or a writing clipboard. They used to call laptop computers, 'notebook' computers, I remember. When in fact, a 'tablet' or large smart phone - is much, much closer to being a 'notebook' in form factor, than a clam-shell laptop ever was. But having said all of that, ergonomics for laptops isn't that awful. A laptop is effectively a 'horizontal' tablet - and the 'clamshell' of the keyboard just allows you to fold it in such a way as the screen doesn't get bashed in.

This is my thinking.

The 'summary' is, is that I think that laptop's (and by extension, the CPU's that Intel design and fabricate), are selling themselves far too short. I think, that if laptop designs 'broke from tradition', that we might see a better competition between tablets/phones and laptops. And things would not look as dismal as they do, for companies such as Intel.

I've inserted something like a 'Black' version western digital laptop Sata mechanical drive in a laptop. They have 7,200 rpm mechanical drives, they're power hungry. I've forgot the exact specs, but it's at least a solid amp at five volts. I've found these 'black' mechanical laptop 7,200 rpm drives to be robust. And what I found, with that 7,200 rpm laptop storage, . . . is that I'm actually more likely to 'use' the larger amount of local storage - because it's fairly decent quality, higher performance storage. You don't have to wait for the laptop local drive to 'wake up' out of sleepiness state, in order to do anything, like access a file. Using the storage space afforded with that high performance mechanical storage - encourages one to use a laptop for useful stuff, like viewing media files etc. Because those 7,200 rpm give the sort of performance needed to play high resolution media files off the local drive, and still have a fairly quick system.

The 'battery' in this case, performs a much different function. Effectively, the laptop battery then just gives it ten minutes of power, so that it can go into sleep mode in it's own organized way. Which is fine. Where I've found this experiment to work successfully (i.e. converting a laptop, into a device such as this, which one could use a laptop as a low power media playing instrument), is where the CPU was a low-power Atom, a tablet CPU effectively, rather than a laptop cpu. I just speculate, that more laptops ought to get 'built' around good, tablet type of chips. Give the laptop a decent sized battery, to give it portability. Just throw a little more memory maybe at it, and a PCIe solid state drive, to compensate for the 'weak' CPU, and you'd be good. You'd actually have a 'laptop' system then, that was actually useful for something. Or at least, it would be for quite a lot of people.
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