ARM (and most RISC CPU’s) seem to use narrower out of order execution designs because it adds a lot of die area. But as things are getting so ridiculously small now (sub-10nm) caches getting insanely large to the point they are mostly wasted victim caches and the core wars unlikely to stretch into the portables and ultra mobile space (it’s debatable if any programs will need more than 8 simultaneous cores...most don’t even seem to use more than 2) I suspect the improvements are going to be architectural. If SMT comes to ARM, 4 wide OoO will be essential.
Fair enough. May I still find it a bit hypocritical when they complain about how they don't know much about the architecture because Qualcomm doesn't release that info?
Stings a bit that I bought into Apollo Lake, earlier this year. But not *too* bad, since it's still at 14 nm. And probably not as bad as those new owners of i7-7700K's reading announcements of the i7-8700K.
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guidryp - Friday, November 3, 2017 - link
Now even Atom have 4-wide execution engine. Is there any mainstream CPU that isn't 4-wide.Is it realistic to go 5-wide on a mainstream CPU?
MrSpadge - Friday, November 3, 2017 - link
Mostly only for SMT.tuxRoller - Friday, November 3, 2017 - link
All arm designs (not just arm compatible cores) are 3 wide or less.Samus - Thursday, November 9, 2017 - link
ARM (and most RISC CPU’s) seem to use narrower out of order execution designs because it adds a lot of die area. But as things are getting so ridiculously small now (sub-10nm) caches getting insanely large to the point they are mostly wasted victim caches and the core wars unlikely to stretch into the portables and ultra mobile space (it’s debatable if any programs will need more than 8 simultaneous cores...most don’t even seem to use more than 2) I suspect the improvements are going to be architectural. If SMT comes to ARM, 4 wide OoO will be essential.tuxRoller - Friday, November 3, 2017 - link
So you folks will look at Linux commits to report on unreleased information. Why then don't you do the same for the "black box" adreno cores?CaedenV - Saturday, November 4, 2017 - link
Probably because Intel and AMD news gets the clicks around here.tuxRoller - Monday, November 6, 2017 - link
Fair enough.May I still find it a bit hypocritical when they complain about how they don't know much about the architecture because Qualcomm doesn't release that info?
mode_13h - Saturday, November 4, 2017 - link
Stings a bit that I bought into Apollo Lake, earlier this year. But not *too* bad, since it's still at 14 nm. And probably not as bad as those new owners of i7-7700K's reading announcements of the i7-8700K.r2559324 - Wednesday, November 8, 2017 - link
both apollo lake and gemini lake have HEVC 10bit decoding https://www-ssl.intel.com/content/dam/www/public/u...Mathan kb02 - Thursday, August 20, 2020 - link
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