sliken

63 ms·

871.
by sliken 4y ago
I've seen several posts showing that the most minor of underclocks and undervolts produce substantial power savings and minimal performance differences. Apparently Intel's trying really hard on an old process to get the performanc
872.
by sliken 4y ago
Indeed, at the cost of heterogeneous cores and killing off AVX512.
873.
by sliken 4y ago
For some raytraced games, the rest it's more like 20-30% improvement
874.
by sliken 4y ago
True, but those data integrity checks are built into the motherboard/BIOS and happen without any user (or OS) intervention.
875.
by sliken 4y ago
Part of it is to track and fix the occasional bit flip. Said flips can cause data corruption, crashing processes, and crashing machines. However it's also very useful to just know when a particular failure causes issues. So you know
876.
by sliken 4y ago
Before I had an EV, I'd have agreed with you. Imagine your gas car increased it's range by 50 miles every time you came home for the night. How often would you fill up your gas tank? For me it was much rarer than I expected. Sur
877.
by sliken 4y ago
Keep in mind 240v @ 30 amps = charging at 30 miles per hour or so. Common daily driving (12k miles a year) = 33 miles per day. Even throttling to 10 amps (which my charger supports), is 11 miles per hour or 110 miles per day if you charge
878.
by sliken 4y ago
I keep hearing that, it seems like no big deal. The average annual driving I hear is somewhere around 12,000 miles. 12,000/365 = 33 miles a day. Or 10 ish hours on a 120v circuit. Presuming most people sleep, shower, dress, etc 10 i
879.
by sliken 4y ago
Yes, but it will take a long time. Then very slowly the moon will slow down, decrease it's orbit, until it hits the Roche limit and becomes a ring.
880.
by sliken 4y ago
Moon is below escape velocity, so it's not leaving. In fact when 1 day = 1 lunar month the movement away will stop, and reverse. It will continue to get closer to earth until it hits the Roche limit and becomes a ring.
881.
by sliken 4y ago
Earths rotational velocity is decreased (longer days) and added to the moon which increases it's potential energy (distance relative to earth), increases it's orbital height, and increases the period of it's orbit (the lunar
882.
by sliken 4y ago
Yes, but the rate of energy transfer is related to the ratio of an earth day (which used to be shorter) and the lunar month (which also used to be shorter). Taken in the opposite direction that moon will stop moving away once the a earth da
883.
by sliken 4y ago
I was disappointed in this article that doesn't really explain what's going on. Yes, the moon is moving away from earth, because the energy transferred by tides. Said energy transfer is slowing the spin of earth, which lengthens
884.
by sliken 4y ago
Right, but ECC errors are rare. If your base rate is 20 per hour for 100,000 devices, and you see 1,000,000 there's likely something going on. My example was just to show that even MUCH noisier dataset (like phone motion) have been us
885.
by sliken 4y ago
Not sure I'd say easy. I've seen many cases where the errors take more than 12 hours to show with memtest86.
886.
by sliken 4y ago
DDR5 does have "on chip ECC", but that doesn't protect as much as full ECC. Bit errors can be introduced after the bits leave the chip. It could happen on the ram chip pins, in the DIMM, the DIMM connector, the motherboard,
887.
by sliken 4y ago
Pretty much all Ryzen 3000 and 5000 CPUs support ECC. The 4000 G series only with the pro models. Here's the link: https://www.asus.com/support/FAQ/1045186/
888.
by sliken 4y ago
Varies by board, ASRock (at least some boards) supports it, documents it, it's in the BIOS. It's not unofficial, AMD lists it in their specifications.
889.
by sliken 4y ago
Not sure where you are. But I just compared Crucial DDR5 32GB DDR5-4800 (PC5-38400) and the non-ECC (on CDW.com) is $186.99 for part (CT32G48C40U5) and $229.99 for part (MTC20C2085S1EC48BA1R) a 22% premium. All Alder Lake chips (the ones s
890.
by sliken 4y ago
This is true, but even today bit flips per GB/hour are still really low. However failures in the memory chip -> chip pin -> dimm -> dimm connector -> motherboard -> CPU socket -> CPU pin -> CPU are pretty common.
891.
by sliken 4y ago
When possible I try to buy from companies that make a product, as opposed to just name/market/make cool stickers. ThermalTake is just a reseller, Season is an example of a company that makes power supplies. Seasonic sells to othe
892.
by sliken 4y ago
I see issues all the time with external power cubes. Devices goes wonky, look up the spec, find it's DC 12v @ 2 amps or whatever and replace the power supply. About 90% of the time the device is happy again.
893.
by sliken 4y ago
Ridiculously rare? That's why CDs, DVDs, blurays, caches, SSDs, spinning rust, etc all have ECC, right? Even ancient file transfer protocols like xmodem and zmodem has error correction. Bitflips aren't uncommon, it's just c
894.
by sliken 4y ago
ECC in common desktops/workstation/servers will correct all single bit errors and detect all 2 bit errors. So sure you can run dimms every so slightly faster and fix the occasional single bit flip, but even a single double bit fli
895.
by sliken 4y ago
On the Intel side, yes. On the AMD side, no. However Intel guarantees ECC will work on their "workstation" chipsets. AMD doesn't guarantee ECC will work on their desktop/workstation chipsets. You have to go up to Epyc
896.
by sliken 4y ago
Life on earth, er outside the oceans would end with sterilization down to 1M. Likely 99.99% or more of humans dead within a year. Mars however is very cold, highly radioactive, practically no atmosphere, and vulnerable to meteor strikes.
897.
by sliken 4y ago
Heat will increase loss of atmosphere, but vaporized isn't the right word. The issue would not be losing even 25% of the atmosphere instead of close to 0.00% per year, but that boiling oceans, steam, and air will hit say 1000F on the s
898.
by sliken 4y ago
Agreed, but the bad press spread the word which made people who hand been buying intel servers forever realize that there's a better choice out there.
899.
by sliken 4y ago
True, but the same could be said for decently designed and built houses customized for the environment it's in. Go down the average residential street nearly anywhere in the USA and you are likely to see the same designs for homes bui
900.
by sliken 4y ago
Dunno. I've heard that phone accelometers can help detect earth quakes early to allow earlier warnings. Certainly that's a noisier signal than ECC errors. Just aggregate the memory errors so you get a baseline for N machines and

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