From: kilgallen@eisner.decus.org (Larry Kilgallen)
Subject: Re: Is an RTOS Required for Ada?
Date: 1999/05/20
Date: 1999-05-20T00:00:00+00:00 [thread overview]
Message-ID: <1999May20.112204.1@eisner> (raw)
In-Reply-To: 7i15hp$mc2@ftp.kvaerner.com
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In article <7i15hp$mc2@ftp.kvaerner.com>, "Tarjei Tj�stheim Jensen" <tarjei.jensen@kvaerner.no> writes:
>
> Robert Dewar wrote
>>For example, in GNORT mode, the compiler will generate an open
>>loop for a block copy, to avoid calling the bcopy routine in
>>the run-time
>
>
> I'm rather surprised. I would assume that the most eficient way of doin this
> would be to use inline assembly code. I thought most cpus have a nice set of
> special instructions that will do this. Could there be problems with using
> these instructions?
Those with great concern for speed will often be using RISC machines,
where instruction sets have been simplified. Presuming reasonable
caching inside the CPU, data loads and stores will dominate the
copy time.
Larry Kilgallen
next prev parent reply other threads:[~1999-05-20 0:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-05-13 0:00 Is an RTOS Required for Ada? Tramse
1999-05-13 0:00 ` Marin David Condic
1999-05-13 0:00 ` Rakesh Malhotra
1999-05-14 0:00 ` Tramse
1999-05-16 0:00 ` Robert Dewar
1999-05-19 0:00 ` Robert A Duff
1999-05-20 0:00 ` Robert Dewar
1999-05-25 0:00 ` George Romanski
1999-05-25 0:00 ` Robert Dewar
1999-05-26 0:00 ` George Romanski
1999-05-28 0:00 ` Robert Dewar
1999-06-09 0:00 ` Robert A Duff
1999-06-09 0:00 ` Robert Dewar
1999-05-28 0:00 ` Rod Chapman
1999-05-28 0:00 ` Robert Dewar
1999-05-28 0:00 ` Richard D Riehle
1999-05-28 0:00 ` David C. Hoos, Sr.
1999-05-20 0:00 ` Tarjei Tj�stheim Jensen
1999-05-20 0:00 ` Larry Kilgallen [this message]
1999-05-20 0:00 ` Tarjei Tj�stheim Jensen
1999-05-20 0:00 ` Larry Kilgallen
1999-05-21 0:00 ` Robert Dewar
1999-05-16 0:00 ` Robert Dewar
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