Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel

From	David Brown <david.brown@hesbynett.no>
Newsgroups	comp.lang.c++
Subject	Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel
Date	2022-12-15 20:09 +0100
Organization	A noiseless patient Spider
Message-ID	<tnfrd4$355sm$1@dont-email.me> (permalink)
References	(8 earlier) <93133abe-2018-42cf-bd3c-e0c5e457e182n@googlegroups.com> <tndgkj$2shvh$1@dont-email.me> <tneqpg$18mm$1@gioia.aioe.org> <iIGmL.8932$5S78.4677@fx48.iad> <tnfhgj$4lq$1@gioia.aioe.org>

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On 15/12/2022 17:20, Muttley@dastardlyhq.com wrote:
> On Thu, 15 Dec 2022 15:04:46 GMT
> scott@slp53.sl.home (Scott Lurndal) wrote:
>> Muttley@dastardlyhq.com writes:
>>> On Wed, 14 Dec 2022 15:53:24 -0600
>>> Lynn McGuire <lynnmcguire5@gmail.com> wrote:
>>>> On 12/14/2022 2:09 PM, Michael S wrote:
>>>>> C is better than its reputation.
>>>>
>>>> Every time you start your vehicle engine, millions of lines of C code is
>>>> controlling it. Toyota and Ford are reputedly at 30 million lines of
>>>> code in their EMS (engine management system).
>>>
>>> Which is way too much just to control spark and fuel injection times. That
>>> should be a thousand lines at most with maybe the equivalent for an auto
>>> gearbox controller as most of the important stuff would be dense mathematics
>>> anyway. When I worked in defense the code to control actuators was never
>>> more than a few thousand lines which given you had to write it to high SIL
>> spec
>>> was about as much as humanly possible to vet properly.
>>>
>>
>> Like you, I find the 30 million lines in the EMS to be very unlikely.
>>
>> Now if you add in the entertainment systems and other dashboard
>> display and control systems, it might get a bit closer.
> 
> True, but those arn't part of the engine ECU.
> 
>> Tesla's and other vehicles with partial or full self-driving capabilities
>> are a different story, with incredibly complicated and large SoC's
>> with several different grades of processor, safety islands and
>> redundancy.
> 
> Shame they pinned everything on machine vision without radar and/or lidar
> backup and cost a number of - admittedly idiots - their lives.
> 

The big question - vital, but probably impossible to answer - is how 
many crashes or fatalities would there have been /without/ the automatic 
systems?  People have been crashing cars and killing themselves and 
others for as long as cars have existed (longer, if you include wagons 
and carts).

Driving aids are not perfect, and they get things wrong sometimes.  But 
maybe in the big picture (statistics, not individual cases) they are 
still a win.

Thread

"Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-12 14:53 -0600
  Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Öö Tiib <ootiib@hot.ee> - 2022-12-12 17:40 -0800
  Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Marcel Mueller <news.5.maazl@spamgourmet.org> - 2022-12-13 08:55 +0100
    Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-13 15:06 +0000
  Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Juha Nieminen <nospam@thanks.invalid> - 2022-12-13 08:37 +0000
    Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-13 14:15 -0600
      Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel d thiebaud <thiebauddick2@aol.com> - 2022-12-13 17:03 -0500
        Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-13 19:35 -0600
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel d thiebaud <thiebauddick2@aol.com> - 2022-12-13 21:13 -0500
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel d thiebaud <thiebauddick2@aol.com> - 2022-12-14 04:40 -0500
        Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-14 09:39 +0000
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Juha Nieminen <nospam@thanks.invalid> - 2022-12-14 12:34 +0000
            Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-14 16:33 +0000
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Michael S <already5chosen@yahoo.com> - 2022-12-14 05:56 -0800
            Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-14 16:35 +0000
              Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel David Brown <david.brown@hesbynett.no> - 2022-12-14 19:21 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Michael S <already5chosen@yahoo.com> - 2022-12-14 12:09 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-14 15:53 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 09:52 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-15 15:04 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 16:20 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel David Brown <david.brown@hesbynett.no> - 2022-12-15 20:09 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-16 10:14 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel David Brown <david.brown@hesbynett.no> - 2022-12-16 13:38 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Fred. Zwarts" <F.Zwarts@KVI.nl> - 2022-12-16 14:15 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel David Brown <david.brown@hesbynett.no> - 2022-12-16 14:20 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-16 12:36 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-23 17:09 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-15 18:44 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-16 10:24 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-16 15:19 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-16 15:27 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-16 14:03 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-17 10:18 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-17 02:27 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-17 10:42 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-17 13:15 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-17 16:05 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-17 13:15 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-18 17:37 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-19 09:43 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-19 15:28 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-19 16:58 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-19 19:28 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-19 19:35 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-20 14:49 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-20 17:51 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-20 10:14 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-23 20:32 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-17 19:20 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-19 09:46 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-19 18:28 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-20 10:11 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-20 17:52 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-17 19:13 -0600
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 09:47 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Jorgen Grahn <grahn+nntp@snipabacken.se> - 2022-12-17 21:49 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 09:37 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel David Brown <david.brown@hesbynett.no> - 2022-12-15 11:49 +0100
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 16:18 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "daniel...@gmail.com" <danielaparker@gmail.com> - 2022-12-15 12:54 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Öö Tiib <ootiib@hot.ee> - 2022-12-15 21:54 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2022-12-24 11:40 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Öö Tiib <ootiib@hot.ee> - 2022-12-24 18:19 -0800
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel scott@slp53.sl.home (Scott Lurndal) - 2022-12-25 17:07 +0000
                Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "daniel...@gmail.com" <danielaparker@gmail.com> - 2022-12-25 10:55 -0800
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-14 12:54 -0600
            Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Muttley@dastardlyhq.com - 2022-12-15 09:41 +0000
      Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Öö Tiib <ootiib@hot.ee> - 2022-12-13 20:06 -0800
        Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "daniel...@gmail.com" <danielaparker@gmail.com> - 2022-12-13 20:17 -0800
          Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Michael S <already5chosen@yahoo.com> - 2022-12-14 05:37 -0800
  Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-12-14 13:57 -0800
    Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-14 18:20 -0600
    Re: "Why ISO C++ Is Not Enough for Heterogeneous Computing" by Intel Lynn McGuire <lynnmcguire5@gmail.com> - 2022-12-14 18:40 -0600

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