neprihlásený Streda, 22. septembra 2021, dnes má meniny Móric
Arm predstavila novú architektúru ARMv9

Spoločnosť Arm stojaca za úspešnou procesorovou architektúrou ARM aktuálne predstavila novú generáciu jej architektúry ARMv9, takmer desať rokov po predstavení súčasnej architektúry ARMv8. ARM je mimoriadne dôležitou počítačovou architektúrou, ktorá kompletne ovládla mobilný segment a aktuálne nastupuje do osobných počítačov. ARMv9 nie je tak zásadným zlepšením ako bola ARMv8, prináša ale viaceré vylepšenia.

Značky: ARMCPU

DSL.sk, 31.3.2021


Spoločnosť Arm stojaca za úspešnou procesorovou architektúrou ARM aktuálne predstavila novú generáciu jej architektúry ARMv9.

K predstaveniu ARMv9 prichádza takmer desať rokov po predstavení súčasnej architektúry ARMv8.

ARM je mimoriadne dôležitou počítačovou architektúrou, keď sa jej už pred rokmi podarilo kompletne ovládnuť nastupujúci mobilný segment a momentálne sú prakticky všetky smartfóny postavené na procesore architektúry ARM.

V osobných počítačoch a serveroch zatiaľ dominujú procesory architektúry x86, aj to sa ale začína aktuálne meniť a ARM sa začína presadzovať aj v týchto segmentoch.

ARMv8 priniesla zásadné zlepšenie, keď na rozdiel od predchádzajúcich generácií podporuje aj 64-bitovú architektúru. ARMv9 podporuje 64-bitovú architektúru a zároveň naďalej aj 32-bitovú architektúru.

Arm pri stručnom predstavení ARMv9 avizuje zlepšenia v troch oblastiach. Ďalej sa má zvyšovať výkon, zlepšiť sa má bezpečnosť a zlepšia sa možnosti strojového učenia a DSP, Digital Signal Processingu.

ARMv9 bude podporovať pre spracovanie veľkého množstva dát SIMD inštrukcie SVE2, Scalable Vector Extension 2. Tieto inštrukcie zvýšia výkon pri strojovom učení a rozličných oblastiach umelej inteligencie, DSP, virtuálnej a dopĺňanej realite a pri ďalších použitiach.

Ďalej sa má zvyšovať aj CPU výkon a ďalšie dve generácie jadier majú spolu priniesť zvýšenie výkonu o 30%.

V oblasti bezpečnosti pridá ARMv9 podporu ARM CCA, Confidential Compute Architecture. Podľa stručného popisu CCA chráni kód a dáta pred zvyškom systému aj pred privilegovaným softvérom vďaka behu v bezpečnom prostredí založenom na hardvéri.

Podľa dostupných informácií by mala Arm predstaviť tento rok viacero jadier architektúry ARMv9 a v prvých zariadeniach by sa mali objaviť na začiatku budúceho roka.


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Diskusia:
                               
 

Ale jasne. Architektúra navrhnutá tak, že ani pri masovej výrobe nespĺňa kvantitatívne požiadavky trhu ešte ani predošlá generácia a dolepovanie bazmekov do novej priekazne zázrakom zvráti status quo.
Odpovedať Známka: -6.1 Hodnotiť:
 

že by mi niečo totálne ušlo? protesty výrobcov mobilov ako ARM nesplní ešte jednu ich požiadavku a definitívne s ním končia v prospech iných, oveľa lepších, architektúr?
Odpovedať Známka: 8.9 Hodnotiť:
 

Ten pan ktoreho komentujete tu bezne splieta prve slova ktore mu pridu pod prsty.
Odpovedať Známka: 9.2 Hodnotiť:
 

Hypoteticky je mozne nevstupovanie do vecnej diskusie osobnymi invektivami interpretovat ale i ako priekazne inu formu pristupu.
Odpovedať Známka: -4.1 Hodnotiť:
 

To nie je žiadny pán, ale bot. Občas sa pod rovnakým nickom ozve aj jeho majiteľ, ale to len fakt občas.
Odpovedať Hodnotiť:
 

vysvetli, ozrejmi
Odpovedať Známka: 3.3 Hodnotiť:
 

Hypoteticky je pri nejasnosti mozne namiesto pomerne rizikovej eskalacie komunikacie predviest splnanie prikazov sadni, dones, ci k nohe, umoznujuce prisposposobenie protokolu priekazne vykonnejsim komunikacnym uzlom.
Odpovedať Známka: -5.0 Hodnotiť:
 

Ako tak na to pozeram, tak ty si zjavne mylis pojem priekazne s priekakne. :-)
Odpovedať Známka: 8.6 Hodnotiť:
 

Viera v substitúciu priekazne nie je mýlením, ale prejavom absolútnej antidiskriminácie!
Odpovedať Známka: -5.6 Hodnotiť:
 

Benjamín, Kvído, Balbína.
Odpovedať Známka: -4.3 Hodnotiť:
 

Ahojte, vie tu niekto povedat ako su na tom vyrobcovia ako apple?
Povodne zobrali navrh od ARMu, no vyuzivaju ARMom predstavene a vymyslene novinky, alebo idu oddelenou vlastnou cestou?

Ak vyuzivaju, tak sa teoreticky za nejaky rok moze tymto vylepsit aj Mx architektura?
Odpovedať Známka: -1.4 Hodnotiť:
 

Áno
Odpovedať Známka: 7.5 Hodnotiť:
 

Apple myslim tvrdi ze ich vlastny AX architectura je vyrazne upravena , kym alebo ako, bude asi nutne dohladat na internete ak je to vobec dostupne (ak nie tak len odhady a dohady),
no zaujmavejsia je vec ze ARM je vraj kupeny Nvidiou ( podla ceskej stranky Forbes ) ak je Apple tak "picky" ako byval za cias "Prace" tak budu mat o dovod viac sa oddialit od navrhov ARM aj ked len par mesiacov pred oznamenim odkupenia arm nvidiou oznamovali prechod na "arm like" procesory aj na makaronoch
Odpovedať Známka: 3.3 Hodnotiť:
 

Prečo?

Apple predsa nemá nič proti Nvidii. Okrem toho, že nepoužíva ich vykresľovačky, ale to vraj preto, lebo ich kedysi používal, vo svojich prenosníkoch (prenosných počítačoch), ale Nvidia robila pokusy s nejakou spájkou, ktoré jej celkom nevyšli, lebo jej spracovače sa odspájkovovali... ale zodpovednosť za to odmietala prijať.

Lenže pri svojich spracovačoch má Apple právo príkazovú súpravu ARMu využívať, má na ne povolenku ešte z čias spoluzakladateľstva.
Odpovedať Známka: 6.7 Hodnotiť:
 

Neviem si predstavit, ze by som mal pouzivat na profesionalnu pracu nieco, co bude tak nespolahlive ako napr. spickove telefony, ktore pouzivam(Samsung S10 a teraz uz S20). Praca s nejakym pocitacom s arm architekturou, to bude vyzerat ako ked sa mam dorozumiet s manzelkou pocas kramov. Da sa to, ale.....su tam chyby v komunikacii.

Akoze na telefonovanie, obcasnu zabavu, internet a ine drobnosti su tieto telefony super, ale este dlho potrva kym sa softver dostane do dokonalosti softveru na architekture x86. Samozrejme ze x86 systemy nie su dokonale, ale oproti arm je to nebo vs peklo.

Po poslednej aktualizacii androidu mi to pripada, akoby to robili nejaki brigadnici, diletanti, tolko opravenych chyb a tolko novych zaroven, to sa len tak nevidi, ale vyprodukovat x zbytocnosti, na to by ich bolo...a tak drahe telefony(a to neviem si predstavit ako to vyzera u tych lacnych)...nanestastie som odporca applu
Odpovedať Známka: 2.5 Hodnotiť:
 

To že je Samsung-Android peklo neznamená, že jablčný systém na ARM tiež. Použiť vlajkovú loď applu a vážil by si slovo špičkový.
Odpovedať Známka: 3.3 Hodnotiť:
 

A rozbeham na tom aj plnohodnotny Battlefield (64players) alebo novy Total War??

A nie z yebnutimi fake "optimalizaciami"

Plnohodnotny pathfinding, AI , collision detection a 60FPS+ 1080p bez realtime raytracingu zatial prezijem.

a nie aby to vypadalo ako hra z 2010 sudruhovia...
Odpovedať Známka: -5.7 Hodnotiť:
 

Dal som ti mínus, chytráku.
Odpovedať Známka: 7.1 Hodnotiť:
 

ty sa radsej rozbehni do skoly a nieco si nastuduj. arm nie je primarne urceny na gemblenie...
Odpovedať Známka: 6.7 Hodnotiť:
 

Ahoj,

nejlepší feature je podle mě zejména Hardware Transactional Memory (zvyšuje výkon databází i 4-10x) viz.:

https://www.xda-developers.com/armv9-architecture/
Odpovedať Hodnotiť:
 

Hm, aby sa z tých ARMov nepokakali...!

Podľa mňa je budúcnosťou RISC-V.
Odpovedať Známka: 3.3 Hodnotiť:
 

Souhlasím, architektura RISC-V je dokonalejší než ARM, ale ARM je trochu jako x86, tedy je na něj více programů, operačních systémů a ovladačů.
Odpovedať Známka: 10.0 Hodnotiť:
 

Dnes už málokto píše v čistom assembleri, prípadne JSA, na ostatné jazyky tu máme prekladače. Pokiaľ viem, RISC-V zvláda GCC a aj LLVM, takže problém môžu mať jedine užívatelia propietárnych sračiek ako oppice od M$.
Odpovedať Známka: 5.0 Hodnotiť:
 

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