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tikker

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  • Interests
    Astronomy, electronics, computers and technology in general. I also dabble in calligraphy in my spare time.
  • Biography
    I'm an astronomer and in my free time I like to play around with electronics and computer related things.

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    Intel Core i7 7700K
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    Asus ROG Strix Z270F Gaming
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    GSKILL Trident Z 16GB@3200MHz
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    Nvidia GTX 1080 Ti FE
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    Corsair Crystal 570X
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    250 GB Crucial BX100 SSD + 2TB Seagate HDD + 1TB WD Green
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    EVGA SuperNOVA G2 1000W
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    Asus VG248QE 24"
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    Custom loop
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    Corsair K70 RGB
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    Logitech G502 Proteus Spectrum

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  1. That could work, if compiling file A does not need knowledge of compiling file B. As soon as B needs to know about A you lose your ability to parallelise over A and B. It exists to some degree already: https://www.gnu.org/software/make/manual/html_node/Parallel.html and I found this exploring some aspects of parallelising GCC more: https://gcc.gnu.org/wiki/ParallelGcc The big question is what kind of operation is most common in compiling code and how would you parallelise and/or optimise that? "Compile a C program" is not the operation. Ideally you want something specific like "multiply two 3x3 matrices of integers". The former is vague while the latter you can design a circuit/component for.
  2. I think matrices can be seen as a 2D tensor. I'm not sure if AI uses higher-order ones much, I don't use AI in my coding and uni math courses have been a while, but I thought I'd use the term tensor to implicitly draw the parallel with e.g. tensor cores.
  3. I think that varied amount of logic is one of the limitations. Hardware acceleration leverages doing a specific operation efficiently. For AI these are things like tensor operations, which you can clearly define like multiplications etc. If you have a large variety of logic, what would you have the hardware do specifically? GPUs also excel at doing things massively parallel, but if A depends on B then you inherently must do B before A and can't (effectively) parallelise.
  4. I did do the online "check my connection" thing from Sky and it has been back to quite a stable 7-8 down, 1 up since, so that 0.4 was a different problem indeed. Since I'm still in the 14-day cool-off period though I am interested in trying out pulse8, since they seem to offer fibre (to the cabinet) broadband and advertise speeds up to 78/20 for the same price.
  5. Thanks for all the respons and suggestions folks. I am currently trying Sky, but frankly it's quite bad. On good times I reach the 7-8 Mbps advertised speeds, but this morning it was a whopping 0.4 if I was lucky. After checking with Openreach I did find two other providers that seem to do deliver decent speeds which are pulse8 and Your Co-op. I am not familiar with them, however. Has anyone heard of them or have any experience with them? They mention speeds in the 40-70 Mbps range, which is a whole lot better than what I have now, for roughly the same monthly price.
  6. Mass Effect: the whole trilogy, it's pretty good. Crysis: definitely 1. If you like the story and game 2 and 3 are nice, but the first installment was something else. Portal: I never played the second one, but the first one is fun and an iconic one of the time. Resident Evil: I would definitely play the HD remaster of RE1.
  7. No 5G option from them at my location sadly. Ah that is good to know.
  8. That sounds attractive. I don't know why it didn't show up earlier, but when I check for coverage on their website I see I can get 4G from them for indeed £11 then £22 after 6 months. I may keep this in mind as well. I have no experience with 4/5G routers. So I'd plug the SIM card in there and then proceed as usual? Good point. They don't mention anything about latency in the Sky offer, but I guess it'll still be more reliable in the end. I do plan on gaming and video calls so decent latency that would be nice. Yeah I tried pushing them to be less salesy about it, but all I got was "the cabinet is currently full, that's why it sucks; fiber soon (TM)". So in light of the above, would you then recommend taking the ADSL line and getting the Three 4G as additional one? It would actually be a good bit cheaper than Starlink in both initial cost and monthly cost. That is pretty good. I'm currently spoilt with 300 up / 40 down (which is sufficient for my needs, but the speeds you show are totally acceptable (ignoring the ping haha, but I guess this confirms a cable line would still make sense to reduce latency).
  9. I'll be moving to the UK soon and the maximum speed I'm currently offered at the place I'll likely be staying appears to be a whopping 7.8 Mbps down and up in the single decimals as it stands now. I've been told Sky is planning to hook up fiber "[probably] within a year", but since I'm only there for two years initially that is quite a long uncertain period. To that extent, I was wondering what people's experiences are with Starlink? The agency is trying to convince me with "but this offer is a guaranteed minimum speed of 3.4, starlink is whatever and whenever they feel like", the supposedly future fiber being connected and stuff like that, but it's an 18 month minimum contract and it sounds a bit salespersony to be honest. It is a bit expensive at 75 GBP per month (ignoring initial purchase costs), but I'm hoping it beats the 7 Mbps for 35 GBP per month or worse... Any other suggestions are of course also welcome.
  10. That's pretty awesome. I'm curious about the longetivy. Ignoring that the drives may cost a fortune I'd love to store 100+ TB on a single disc, but with that amount of data on a single thing I would want it to be pretty robust if it's ever coming to home use. Going with the SI prefixes peta is 10^15 and tera is 10^12. So in that case, if we divide 1 petabit by 8 you get 0.125 * 10^15 bytes, or 125 * 10^12 bytes, or 125 terabytes. If we take the binary "terabyte" or tebibyte (TiB) to be 1024^4 bytes then we get ~1.1 TB for every TiB which would give 125 TB / 1.1 TB/TiB = ~113.7 TiB. Not sure what conversion that calculator is doing, but also this decimal/binary unit stuff while keeping the same labels has been the most confusing we've ever made things tbh.
  11. They don't. In the case of YouTube, the most likely explanation is that your TV announces to the network it's connected to that it supports casting. YouTube picks up on that and thus provides you the option. It's the hardware that is communicating their presence and making it available. YouTube the site doesn't know about them. They have either been linked using a link code in the past or the devices themselves are simply announcing they can be cast to and some code is making that available. My Nvidia Shield is on the same network as my PC and phone, for example, so both are able to cast to them. If I disconnect my phone from the Wi-Fi and go to mobile data the Shield disappears as well, because it's no longer on the same network, showing that the site doesn't inherently know my device is there. If you don't use it, maybe your TV (or whatever the device is) has an option to disable casting?
  12. The silicon "ingot" from which they are made is produced as a cilindrical shape so you get circular discs:
  13. On the off chance this is useful to anyone else with an Nvidia Shield (in my case 2019 Pro model): the AI upscaling can mess up Steam in-home streaming performance big time. For months I had this strange issue where nothing over 24-30 FPS was stable and the lag would just start growing continuously to half a second and beyond, making everything unplayable. Turned the upscaling back from AI enhanced to basic and boom, back to 10-20 ms at most again.

  14. At the end of the day they serve similar purposes. A problem with a 12-hour clock, for example, lies with noon and midnight: is that 12:00 AM or 12:00 PM? There is no agreement on it. To complicate things further, AM and PM mean before or after noon, so noon itself does not exist. Similarly midnight is as far from the previous noon as the coming noon so is it before or after noon? There can be no "12 AM" or "12 PM" just like there can be no 24:00 in the 24:00 clock. From a table on Wikipedia it even seems the US Government Publishing Office switched from calling noon 12 AM to calling it 12 PM in 2008, so it's not fixed either. The 24-hour clock removes that "12" ambiguity. The day starts at 00:00:00 and ends at 23:59:59. Something at 9:45 will never be confused for something at 21:45, a country 6 hours ahead will simply be at 15:45 instead of 9:45. You can also argue common sense and say a day has 24 hours, so a 24 hour clock fits well.
  15. 12 AM vs PM always trips me up with midnight. We don't even really have the AM and PM qualifiers in a direct sense at all in Europe as far as I know. When speaking it is on the 0-12 scale where it's either clear form context which one or you just say "in the morning/afternoon". Writing and the likes are 24-hours all the way. It wasn't taught to me as "military style" either, but simply analogue and digital clock reading.
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