Topic on Glossary talk:Central Processing Unit (CPU)
This page shows the changes between two versions of a post by Mirh in the topic "AMD hidden shenanigans" on Glossary talk:Central Processing Unit (CPU).
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* 2014 core designs were somewhat of a backstage [https://forums.anandtech.com/threads/new-zen-microarchitecture-details.2465645/page-35 trainwreck], on the other hand their power management started to rely more and more on the SMU. Nothing of interest in the HEDT market, but on laptops it introduced a buttload of [https://www.overclock.net/threads/carrizo-fx-8800p-a10-8700p-info-and-optimizations.1573937/page-2#post-24437135 hidden] [https://www.overclock.net/threads/jagatreview-hands-on-amd-fx-8800p-carrizo.1560230/page-22#post-24306130 interesting] variables. | * 2014 core designs were somewhat of a backstage [https://forums.anandtech.com/threads/new-zen-microarchitecture-details.2465645/page-35 trainwreck], on the other hand their power management started to rely more and more on the SMU. Nothing of interest in the HEDT market, but on laptops it introduced a buttload of [https://www.overclock.net/threads/carrizo-fx-8800p-a10-8700p-info-and-optimizations.1573937/page-2#post-24437135 hidden] [https://www.overclock.net/threads/jagatreview-hands-on-amd-fx-8800p-carrizo.1560230/page-22#post-24306130 interesting] variables. | ||
| − | * all PCIe 3.0 motherboards should | + | * all PCIe 3.0 motherboards should [https://www.spinics.net/lists/linux-pci/msg65658.html support] [https://github.com/JuliaComputing/nvidia-driver-pcie-rebar/issues/2 somehow] Resizable-BAR (needed for Smart Access Memory), but [https://old.reddit.com/r/Amd/comments/k6cbk7/zen_zen_and_zen_2_cannot_support_sam_due_to_the/gek8sop/ before] Zen 3 CPUs a [https://twitter.com/SebAaltonen/status/1327191532177420288 critical instruction] for such graphical applications was emulated slow enough to make it useless |
| − | * I couldn't find [https://www.overclock.net/forum/78-pc-gaming/1487105-want-higher-fps-what-timer-do-you-use-2.html#post26423128 anybody] on the net [https://www.anandtech.com/show/12678/a-timely-discovery-examining-amd-2nd-gen-ryzen-results/4 seriously] reporting that forcing HPET helped them save for touching BCLK [http://forum.notebookreview.com/threads/must-read-setfsb-o-c-game-problems-fixed.569893/ live] or under [https://web.archive.org/web/20160314074421/https://www.ocaholic.ch/modules/smartsection/item.php?itemid=1071&lang=english W8](+?). Still for some reason [https://forums.guru3d.com/threads/another-look-at-hpet-high-precision-event-timer.368604/page-42 something] in the AMD drivers always does/did that. | + | * I couldn't find [https://www.overclock.net/forum/78-pc-gaming/1487105-want-higher-fps-what-timer-do-you-use-2.html#post26423128 anybody] on the net [https://www.anandtech.com/show/12678/a-timely-discovery-examining-amd-2nd-gen-ryzen-results/4 seriously] reporting that forcing HPET helped them save for touching BCLK [https://web.archive.org/web/20150919163144/http://forum.notebookreview.com/threads/must-read-setfsb-o-c-game-problems-fixed.569893/ live] or under [https://web.archive.org/web/20160314074421/https://www.ocaholic.ch/modules/smartsection/item.php?itemid=1071&lang=english W8](+?). Still for some reason [https://forums.guru3d.com/threads/another-look-at-hpet-high-precision-event-timer.368604/page-42 something] in the AMD drivers always does/did that. |
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| + | * fTPM <small>([https://bugzilla.kernel.org/show_bug.cgi?id=216989#c94 necessary] but not sufficient condition?)</small> ''was'' [https://hothardware.com/news/amd-bios-updates-resolve-ryzen-stuttering-issue confirmed] to be able to cause hard stutters | ||
And I could swear I knew more, but time was hard on my memory. I wonder if all of this couldn't be enough to resurrect the old [[Special:Undelete/AMD_(CPU)|AMD (CPU)]] page we had. | And I could swear I knew more, but time was hard on my memory. I wonder if all of this couldn't be enough to resurrect the old [[Special:Undelete/AMD_(CPU)|AMD (CPU)]] page we had. | ||
<small>p.s. Ryzen is so [https://www.bitsandchips.it/english-news/xfr-and-its-anchestors stacked] [https://www.gamersnexus.net/guides/3491-explaining-precision-boost-overdrive-benchmarks-auto-oc complex] and [https://www.techpowerup.com/review/1usmus-power-plan-for-amd-ryzen-new-developments/ wide] that you'd need a [https://www.anandtech.com/show/14873/reaching-for-turbo-aligning-perception-with-amds-frequency-metrics- manual] just to understand the stock situation.</small> | <small>p.s. Ryzen is so [https://www.bitsandchips.it/english-news/xfr-and-its-anchestors stacked] [https://www.gamersnexus.net/guides/3491-explaining-precision-boost-overdrive-benchmarks-auto-oc complex] and [https://www.techpowerup.com/review/1usmus-power-plan-for-amd-ryzen-new-developments/ wide] that you'd need a [https://www.anandtech.com/show/14873/reaching-for-turbo-aligning-perception-with-amds-frequency-metrics- manual] just to understand the stock situation.</small> | ||