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Article #623179

Re: Has Microsoft commited suicide ...

#623179
From: Andy Leighton
Date: Sat, 23 Jun 2018 13:01
45 lines
4246 bytes
On Sat, 23 Jun 2018 07:04:25 -0400, Peter Flass <peter...@yahoo.com> wrote:
> J. Clarke <jclarke...@gmail.com> wrote:
>> On Fri, 22 Jun 2018 13:56:09 -0400, Peter Flass
>> <peter...@yahoo.com> wrote:
>> 
>>> Gareth's Downstairs Computer
>>> <headstone255.but.n...@yahoo.com> wrote:
>>>> On 22/06/2018 11:37, Peter Flass wrote:
>>>>> 
>>>>> Isn't Mono a clone of .net? What does the common runtime do especially that
>>>>> other libraries don't? (actual question, not rhetorical)
>>>> All the source languages link together.
>>>> 
>>> 
>>> Sort of like all the gnu languages, the IBM mainframe languages with LE, or
>>> all the DEC languages with the common runtime? Leave it to microsoft to
>>> claim they invented sunshine.
>> 
>> Except that the gnu languages and LE don't produce binaries that will
>> run without further adjustment on an Alpha, an Itanium, a Sparc, and a
>> PC, which, in principle, is true of CLR (I say "in principle" because
>> I don't know if the versions of Windows that made it to the Alpha and
>> Sparc are recent enough to support CLR).
>
> In theory they can, although I don't know if any do in practice. ELF
> binaries can contain objects for multiple architectures. Or are you talking
> about something that's interpreted? That sounds like a spectacular waste if
> resources.

Not interpreted but just in time compilation.

Normally with .net the compilation stage runs ngen and compiles the CIL
(common intermediate language) down to native ahead of time and people
deploy that. So it isn't usually the case that you can take the x86
version of a .NET application and run it on another architecture. You can
however choose to take the CIL assembly and run that anywhere there is a CLR 
(and appropriate support libraries which is where Mono is sometimes lacking).
I would also note that there are some cases where the JIT version is faster
than the ahead of time compiled ngen output.


-- 
Andy Leighton => an...@azaal.plus.com
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Newsgroups: alt.folklore.computers
From: Andy Leighton <an...@azaal.plus.com>
Subject: Re: Has Microsoft commited suicide ...
References: <pgcvpp$n4g$1@dont-email.me> <pggu2731as@news3.newsguy.com> <149134172.551309902.754102.peter_flass-yahoo.com@news.eternal-september.org> <0qooidll5mkm6u6s5fu74lfrhllum2ch0s@4ax.com> <Fb_WC.291794$Hv4.215365@fx39.iad> <pgigfn$34d$3@dont-email.me> <567423678.551355809.723953.peter_flass-yahoo.com@news.eternal-september.org> <pgikq1$r0u$4@dont-email.me> <542551247.551382683.958931.peter_flass-yahoo.com@news.eternal-september.org> <9a5rid1mpqtk6vf5eumv3150r07v4bm6l4@4ax.com> <621458884.551444323.795650.peter_flass-yahoo.com@news.eternal-september.org>
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