ianhowson

5 ms·

1.
by ianhowson 1y ago
I think the proposal suggested an orbit where the solar panels are always in sun and always properly aligned and always clean due to space gophers. But more seriously, GPU loads are super spiky. Ground-based power grids and generators and b
2.
by ianhowson 1y ago
This is the best idea to come out of this whole scheme. Space solar panels are super cheap and efficient? Prove it! Launch them and transmit the energy down. This is orders of magnitude easier than the original proposal -- and yet still non
3.
by ianhowson 1y ago
I had a good laugh. - You can't build 40MW of solar panels for $2M, even with theoretical maximum efficiency. You can't even build the cabling and regulators at that price. - You need battery storage -- not as your backup -- but a
4.
by ianhowson 2y ago
1. They're overpriced. A quick Amazon search will show comparable kits for half of the price. You can buy a whole prebuilt ebike for the same price. 2. They're dangerous. FWD ebikes have a tendency to break traction on corners. 3.
5.
by ianhowson 2y ago
> Maybe the device was churning on error re-transmissions from the brownout I think this is more likely. Two different routers impacted. Crappy grounding or induced noise causing high BER on the links.
6.
by ianhowson 2y ago
Irrelevant. 1. Downstream of the mains power supply are DC-DC converters that run the router hardware. Those contain the filters and capacitance you think you're fixing. Nothing in that router actually cares about mains power quality.
7.
by ianhowson 5y ago
Well, there are encrypted CNIs like Weave. I've used Calico over ZeroTier to similar effect. The network is 'encrypted' and there isn't much effort required past initial configuration. But that's not really the issu
8.
by ianhowson 5y ago
There's now FDA guidance on cybersecurity risks, but in a nutshell, it says "you must consider cybersecurity risks in your risk management plan." Manufacturers were (usually) doing this anyway but the probability and impact h
9.
by ianhowson 5y ago
Further, it's not that the magnet 'hurts' the pacemaker or device in any way. The presence of a magnetic field is used as a control signal to change the operating parameters of the device. This is critically important for a d
10.
by ianhowson 5y ago
I lived in the Gold Coast for a year while my job was in Sydney. I commuted by air once a week. Total commute time and housing expenses decreased .
11.
by ianhowson 5y ago
I generally agree with you. I don't personally find eMTBs to be bothersome, and fully expect to be riding one when I'm not physically able to ride an acoustic MTB. And I definitely agree with you re. bystanders, where regular MTBs
12.
by ianhowson 5y ago
Powertrains are much, much better. - You can shift under load (usually) - Shifts are a little faster - Clutches give less chainslap - Narrow-wide rings hold the chain freakishly well
13.
by ianhowson 5y ago
At least here in NorCal, it's not trail damage that's the issue. It's: * people riding beyond their ability (too fast, too technical) and getting injured * batteries overheating and stranding the rider somewhere they can&#x27
14.
by ianhowson 5y ago
It won't work with the LG Ultrafine 5k, which requires a Thunderbolt connection to run at full resolution, and behind-the-scenes is a tiled pair of DP1.2 displays. It ought to work with a DisplayPort 1.4 5k, though there aren't
15.
by ianhowson 6y ago
I do misunderstand. Please educate me! What makes these better than other headphones or the AirPods Pro, which are looking downright good value right now?
16.
by ianhowson 6y ago
I think we're in vigorous agreement. I use the AirPods Pro not because they sound the best, but because they sound good enough and the convenience factors make them worthwhile. I dump on the HomePod because it lacks any convenien
17.
by ianhowson 6y ago
I honestly think that audio quality is consistently poor on Apple stuff and they try to patch over it with EQ boosts and marketing. AirPods are better than EarPods, but they're still in $25 earphone range. AirPods Pro are nice , but y
18.
by ianhowson 6y ago
> Did you miss the part where they I don't think that's notable, sorry. I would expect that of any modern CPU. > it’s not common for general purpose laptops and desktops Well, yeah, because "memory on package" has
19.
by ianhowson 6y ago
Anandtech is comparing M1 vs A14. It's high performance for a cellphone part. Dual channel DDR3L or DDR4L also has a 128 bit bus. 4200MHz DDR4 is clocked on the high side for most laptops, sure, but it's hardly unusual. Run the nu
20.
by ianhowson 6y ago
M1 is using standard LPDDRx. It's not "very high performance". It uses a different interconnect -- that's it. I guarantee that 64GB does not cost anything near EUR300. You might be thinking of HBM[2] which has a wider I&
21.
by ianhowson 6y ago
Well... yeah... but they also dropped clock rate from 2.5GHz-ish to 1.7GHz-ish. That could equally well explain the increase in core count at the same TDP. You're gaining about 15% IPC improvement from Kaby->Whiskey [1]. It's a
22.
by ianhowson 6y ago
They might embarrass today's Threadripper. They don't exist yet, at least not outside an Apple lab. AMD's not sitting on their hands, either.
23.
by ianhowson 6y ago
You've got it backwards. Apple chooses the TDP. Intel provides the CPU to suit. Apple is choosing TDPs which are too small and then providing thermal solutions which only just meet that spec. They could provide better thermals without
24.
by ianhowson 6y ago
I hate the "M1 vs Intel MacBook" comparison. Every Intel MacBook back to 2016 has broken thermals. They're all running at maybe half their rated clock speed. 13" MBP is a 4GHz part running at 1.4GHz. 16" MBP is a 4.
25.
by ianhowson 6y ago
I'm happy to pay for the electricity if I get faster builds. My daily driver is a Hackintosh and with the CPUs pegged pulls about 70W from the wall. The two displays add another 90W. M1 is impressively efficient but there's still
26.
by ianhowson 6y ago
If my partner leaves, there's more room for bikes!
27.
by ianhowson 6y ago
Or an aluminum frame that can deal with being banged around a little.
28.
by ianhowson 6y ago
Under some constraints [1] [2] if you halve the frequency and double the number of execution units, the overall power consumption drops. Therefore, you could gain performance or reduce power by stacking layers of silicon. This is also true
29.
by ianhowson 6y ago
Yep, agreed. If you can admin your own Jira instance and keep the fields and plugins to exactly what you need, it's pretty nice. I keep going back to it for the customizable workflows and fine-grained access control. Unfortunately, eve
30.
by ianhowson 6y ago
As a human, when I have many tabs open, I observe that everything gets really slow. All applications get slow, but especially the browser. So I put on my engineering hat and pull up Activity Monitor and further observe (a) high memory press

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