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| From | scott@slp53.sl.home (Scott Lurndal) |
|---|---|
| Subject | Re: Really compressed instruction streams |
| Newsgroups | comp.arch |
| References | <1193vo8$30ki0$1@dont-email.me> <jwvpky1mjm3.fsf-monnier+comp.arch@gnu.org> <1196nv8$3uu9k$1@dont-email.me> <1790377195-5857@newsgrouper.org> <11971eo$1va3$1@dont-email.me> |
| Message-ID | <wGvuS.14$MN2.10@fx45.iad> (permalink) |
| Organization | UsenetServer - www.usenetserver.com |
| Date | 2026-09-28 15:26 +0000 |
BGB <cr88192@gmail.com> writes: >On 9/25/2026 5:59 PM, MitchAlsup wrote: >> >> BGB <cr88192@gmail.com> posted: >> How does the hardware recognize that this sequence of STs (prologue) >> or LDs (epilogue) are using a dense set of addresses so that one only >> needs to access the tag once (or twice) instead of (12-16) times? >> > >Load/Store Pair gets it down to 6/8 ... > >I guess in theory a CPU could recognize that pairs of LDP/SDP >instructions are, say, actually LDQ/SDQ operations. It's not theory. Many of the ARM server-grade CPUs in the last decade have supported converting LDP/SDP into a single twice as wide potentially *atomic* memory operation.
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Really compressed instruction streams Thomas Koenig <tkoenig@netcologne.de> - 2026-09-24 20:04 +0000
Re: Really compressed instruction streams MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-09-24 22:17 +0000
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-09-24 18:00 -0500
Re: Really compressed instruction streams scott@slp53.sl.home (Scott Lurndal) - 2026-09-25 14:39 +0000
Re: Really compressed instruction streams cross@spitfire.i.gajendra.net (Dan Cross) - 2026-09-25 20:53 +0000
Re: Really compressed instruction streams antispam@fricas.org (Waldek Hebisch) - 2026-10-05 23:10 +0000
Re: Really compressed instruction streams John Levine <johnl@taugh.com> - 2026-10-06 02:46 +0000
Re: Really compressed instruction streams quadibloc@invalid.com (John Savard) - 2026-09-24 22:37 +0000
Re: Really compressed instruction streams MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-09-25 00:37 +0000
Re: Really compressed instruction streams scott@slp53.sl.home (Scott Lurndal) - 2026-09-25 14:42 +0000
Re: Really compressed instruction streams Robert Finch <robfi680@gmail.com> - 2026-09-24 20:56 -0400
Re: Really compressed instruction streams Thomas Koenig <tkoenig@netcologne.de> - 2026-09-25 18:56 +0000
Re: Really compressed instruction streams Michael S <already5chosen@yahoo.com> - 2026-09-25 11:54 +0300
Re: Really compressed instruction streams Thomas Koenig <tkoenig@netcologne.de> - 2026-09-25 15:05 +0000
Re: Really compressed instruction streams Michael S <already5chosen@yahoo.com> - 2026-09-25 17:39 +0300
Re: Really compressed instruction streams Stefan Monnier <monnier@iro.umontreal.ca> - 2026-09-25 11:46 -0400
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-09-25 16:09 -0500
Re: Really compressed instruction streams MitchAlsup <user5857@newsgrouper.org.invalid> - 2026-09-25 22:59 +0000
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-09-25 18:51 -0500
Re: Really compressed instruction streams scott@slp53.sl.home (Scott Lurndal) - 2026-09-28 15:26 +0000
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-09-28 17:42 -0500
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-09-26 03:21 -0500
Re: Really compressed instruction streams Paul Clayton <paaronclayton@gmail.com> - 2026-09-27 21:12 -0400
Re: Really compressed instruction streams BGB <cr88192@gmail.com> - 2026-10-01 15:42 -0500
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