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#81
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Linux founder tells Intel to stop inventing 'magic instructions'and 'start fixing real problems'
On 2020-07-18 05:04, Brian Gregory wrote:
On 18/07/2020 07:09, nospam wrote: In article , wrote: We build little computers with parts.Â* Then went to CPU.Â* All assembly code! that doesn't make any sense. Tiny CPUs often have tiny instruction sets that aren't well suited to any high level language. That was not the purpose. It was to teach you how they worked. The first project I did on a PIC16C55 we did in assembler. It was not really too difficult. The whole thing fitted on about 3 pages. We did later get a "C compiler" for those chips but it was pushing it to call the language "C". It was mostly the syntax of C but nothing but static variables. Weird syntax to configure the chip the way you wanted. I can't even remember how you did I/O on it; must have been another weird extension to the syntax. It made it easier but not as much as you might think. We never got much past an 8080. And some Arithmetic Log Unit which I can't remember. |
#82
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Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems'
On 2020-07-18 07:16, Rene Lamontagne wrote:
On 2020-07-18 1:37 a.m., VanguardLH wrote: One day a prof arrived just before his class, put his hat on his desk, but got busy elsewhere.Â* When he got back and very late for class, all the students had left.Â* The next day he declared, "When my hat is on my desk, that's the same as I'm here."Â* The next day the students came in, put hats on their chairs, and left. Good OneÂ* VanguardLH :-)Â* :-) Rene I second that! My goodness th condescending, arrogant, pompous blow hards we all had to suffer. But not all of them fortunately. the best teaches were the part times that had jobs in industry with some kind of work arrangement with their employers. Now that is where the rubber met the road! |
#83
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General ramblings (with some Linux flavouring). (Was: Linuxfounder tells Intel to stop inventing 'magic instructions' and 'start fixingreal problems')
On 2020-07-18 02:39, Andy Burns wrote:
J. P. Gilliver (John) wrote: Char Jackson wrote: J. P. Gilliver (John) wrote: I know "could care less" is the US version of this expression Please don't attribute that mangled expression to all of us over here. Very sorry! Glad it's not universal in US. But I haven't seen it at all used in UK. I must admit I did think all Americans used the "could care less" variation.Â* Similarly I thought all Americans used "I'm ****ed" (which in the UK means "I'm drunk") rather than "I'm ****ed off" but I've started to hear the latter more now. A good video on this is Superman and Hot Fuzz discussing British Slang: Henry Cavill and Simon Pegg Teach You English Slang: https://www.youtube.com/watch?v=5eIj1nDUs9g So in the UK would "I'm ****ed off" mean you are sober? :-) |
#84
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General ramblings (with some Linux flavouring). (Was: Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems')
On 2020-07-18 14:00, T wrote:
On 2020-07-18 02:39, Andy Burns wrote: J. P. Gilliver (John) wrote: Char Jackson wrote: J. P. Gilliver (John) wrote: I know "could care less" is the US version of this expression Please don't attribute that mangled expression to all of us over here. Very sorry! Glad it's not universal in US. But I haven't seen it at all used in UK. I must admit I did think all Americans used the "could care less" variation.Â* Similarly I thought all Americans used "I'm ****ed" (which in the UK means "I'm drunk") rather than "I'm ****ed off" but I've started to hear the latter more now. A good video on this is Superman and Hot Fuzz discussing British Slang: Henry Cavill and Simon Pegg Teach You English Slang: https://www.youtube.com/watch?v=5eIj1nDUs9g So in the UK would "I'm ****ed off" mean you are sober? :-) Oh and our GI's picked up the word "Crap", as in "I am going to the crapper" from your guys: Thomas Crapper & Co. Crapper's trade marks were all over your crappers. And GI's picked up "****", as in "I am going to go take a ****", from the French word for the crapper: ****oir. Apparently our British Allies didn't quite educates us properly on the latter. |
#85
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Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems'
Yousuf Khan wrote:
Prime95 is exactly an example of a benchmark and stress testing app. Nobody is actually using Prime95 for anything other than stress testing and benchmarking. Yep, elide over the intent of the authors of Prime95, because that would be another example of several shown where AVX is used. |
#86
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Linux founder tells Intel to stop inventing 'magic instructions'and 'start fixing real problems'
VanguardLH wrote:
Yousuf Khan wrote: Prime95 is exactly an example of a benchmark and stress testing app. Nobody is actually using Prime95 for anything other than stress testing and benchmarking. Yep, elide over the intent of the authors of Prime95, because that would be another example of several shown where AVX is used. If they're not careful, they're going to scare the kids away from overclocking :-/ https://www.mersenneforum.org/showthread.php?t=24445 Paul |
#87
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General ramblings (with some Linux flavouring). (Was: Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems')
On 2020-07-17 07:55, J. P. Gilliver (John) wrote:
On Thu, 16 Jul 2020 at 22:35:33, T wrote: [] It is the apps the customer cares about.Â* They could couldn't care less if they were run int Flying Zucchini OS, if it ran their apps. [] I know "could care less" is the US version of this expression, but it's inaccurate. Think about it: if you could care less, that implies that you do care a little - which is not what you mean; you actually mean "couldn't care less". My American trophy wife -- the ultimate word smith -- has a "from and to" rule: "I take something FROM you" "I give something TO you" |
#88
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Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems'
Andy Burns wrote:
VanguardLH wrote: I wonder how a car knows a gas sniffer is poking up its ahole. Oooh, warm that up first before sticking it in. I suppose the car's computer could notice the car wheels weren't rotating when the engine got revved up and the steering wheel wasn't turning. A bit more complex than that, but basically spotting conditions of the standardised tests and switching into an alternate ECU mode https://media.ccc.de/v/32c3-7331-the_exhaust_emissions_scandal_dieselgate Jump to 57:00 if you just want the money shot, but the whole thing is worth a watch ... That was interesting. I jumped to the timemark, but decided it was too much out of context, so I watched it all. Interesting how the alternative model was used for most of the driving (underdoses the NH3 to convert NO) but switched to the main model during the conditions of NEDC testing. Man, they sure are tricky. Also interesting is that VW isn't the only one, but BMW was caught a decade before but managed to silently alter their model. Apparently lots of brands do this trickery. It's almost a requirement for the car to be road-worthy, but still pass the emission testing for when the car is tested under nothing like road use of the vehicle. |
#89
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General ramblings (with some Linux flavouring). (Was: Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems')
On Sun, 19 Jul 2020 at 01:28:52, T wrote:
On 2020-07-17 07:55, J. P. Gilliver (John) wrote: On Thu, 16 Jul 2020 at 22:35:33, T wrote: [] It is the apps the customer cares about.* They could couldn't care less if they were run int Flying Zucchini OS, if it ran their apps. [] I know "could care less" is the US version of this expression, but it's inaccurate. Think about it: if you could care less, that implies that you do care a little - which is not what you mean; you actually mean "couldn't care less". My American trophy wife -- the ultimate word smith -- has a "from and to" rule: "I take something FROM you" "I give something TO you" Not sure how that relates to the "care less" discussion. If it relates to the debate whether to us different from, different to, or different than, I'm not sure how it would help there either. -- J. P. Gilliver. UMRA: 1960/1985 MB++G()AL-IS-Ch++(p)Ar@T+H+Sh0!:`)DNAf At the end of the day, I wasn't asking to kill the pandas, I was simply asking for an audit in terms of conservation resources, and I stand by every word. -Chris Packham, quoted in Radio Times, 29 May - 4 June 2010 |
#90
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Linux founder tells Intel to stop inventing 'magic instructions'and 'start fixing real problems'
On 18/07/2020 16:57, nospam wrote:
In article , Brian Gregory wrote: We build little computers with parts. Then went to CPU. All assembly code! that doesn't make any sense. Tiny CPUs often have tiny instruction sets that aren't well suited to any high level language. he didn't specify tiny cpus with tiny instruction sets or writing software for them. he said built computers with parts and *then* went to cpus. computers built before there were cpus were not little. they were minis and mainframes, which end users did not build. The first project I did on a PIC16C55 we did in assembler. It was not really too difficult. The whole thing fitted on about 3 pages. We did later get a "C compiler" for those chips but it was pushing it to call the language "C". It was mostly the syntax of C but nothing but static variables. Weird syntax to configure the chip the way you wanted. I can't even remember how you did I/O on it; must have been another weird extension to the syntax. It made it easier but not as much as you might think. in other words, assembly code not needed. Well not needed yes but that compiler was a bit of a POS and we had to pay quite a lot for it. For that chip it was arguably not worth it for us. However for some of the slightly bigger chips it was definitely worth it. -- Brian Gregory (in England). |
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