Spoločnosť IBM dnes oznámila úspešné vytvorenie a otestovanie funkčného prototypu kvantového procesora s 50 qubitmi.
Ešte na jar IBM avizovala, že do niekoľkých rokov vyvinie komerčný kvantový počítač s možnosťami a evidentne praktickým výkonom prekonávajúcimi klasické počítače. Tento mal mať podľa jej marcového oznámenia približne 50 qubitov.
Nový procesor evidentne podľa oznámenia klasické počítače zďaleka neprekonáva, hoci má 50 qubitov. Kvantové procesory majú samozrejme ale aj ďalšie parametre, ktoré určujú ich schopnosť previazať jednotlivé qubity a uskutočňovať nad nimi výpočty. IBM konkrétne do budúcnosti avizuje plán zlepšiť kvalitu qubitov, prepojenie obvodov a chybovosť operácií.
Bližšie parametre nového procesora IBM neavizuje, spomína len podobné parametre výkonu ako doterajší procesor s 20 qubitmi. Uňho konkrétne avizuje približnú maximálnu dobu uskutočňovania kvantových výpočtov 90 mikrosekúnd.
Nový procesor je tiež postavený na supravodivých qubitoch ako predchádzajúce prototypy.
Chladiaci mechanizmus pre 50-qubitový procesor, kliknite pre zväčšenie (foto: IBM)
Kvantový počítač uskutočňuje svoje výpočty nad stavom reprezentovaným viacerými kvantovo previazanými qubitmi, N qubitmi. Vďaka kvantovým vlastnostiam sa operácie nevykonávajú nad jedným N-bitovým číslom ale naraz nad priestorom všetkých možných 2 ^ N hodnôt stavov. Výpočty v prípade mnohých algoritmov tak môžu byť exponenciálne rýchlejšie ako algoritmy na súčasných počítačoch.
Prototyp kvantového počítača IBM s piatimi qubitmi, kliknite pre zväčšenie (foto: IBM)
Univerzálne kvantové počítače tak okrem pokroku, ktorý umožnia vo viacerých oblastiach, zároveň eliminujú aj bezpečnosť väčšiny v súčasnosti používaných kryptografických algoritmov založených na prílišnej obtiažnosti niektorých typov výpočtov.
Už viacero rokov predáva komerčné kvantové počítače s veľkým počtom qubitov spoločnosť D-Wave Systems. Najnovší model 2000Q predstavený v januári má až dvetisíc qubitov.
Procesor v počítačoch od D-Wave Systems, kliknite pre zväčšenie (foto: D-Wave Systems)
Tieto počítače ale nie sú univerzálnymi kvantovými počítačmi, keď realizovať dokážu len špeciálne optimalizačné úlohy a samozrejme prípadne úlohy redukovateľné na takéto úlohy.
Zároveň už od uvedenia boli v odborných kruhoch vedené spory, či v D-Wave počítačoch skutočne prichádza ku kvantovým javom a aký je ich reálny prínos. U posledného modelu D-Wave tvrdí, že tento je 1000 až 10000-krát rýchlejší ako klasické algoritmy bežiace na CPU a GPU. Podľa oznámenia ho porovnávala ale iba oproti jednému CPU jadru a jednej GPU s 2500 jadrami. Zároveň tvrdí, že oproti GPU je jej počítač 100-krát energeticky efektívnejší. Nový model ale pri uvedení stál až cca 15 miliónov dolárov.
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Chladiaci system
Od: Omen
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Pridané:
10.11.2017 19:33
Ten chladiaci systém vypadá dost nekompromisne :D
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Re: Chladiaci system
Od reg.: ujo horar
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Pridané:
10.11.2017 19:45
Chladiaci system? Ved to je najnovsi luster z nasho dizajnoveho studia.... na IBM pozenieme pravnikov...
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Re: Chladiaci system
Od: syntaxterrorX XX
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Pridané:
10.11.2017 19:50
Presne. Ano a/alebo i nie.
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Re: Chladiaci system
Od: drhytdhtdh
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Pridané:
10.11.2017 20:04
praveze ako luster do obyvacky preco nie :D
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Re: Chladiaci system
Od: Dude
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Pridané:
11.11.2017 8:09
ALE POZOR.
Podľa článku fifíkDSL IMB plánuje zlepšiť chybovosť operácií :D
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Re: Chladiaci system
Od: in2desire
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Pridané:
11.11.2017 11:30
...suhlas ... hony na stol v onyvacke v teplucku .. dialkove do ruky , povko na schladenie a nech ten termo-luster doluje kryptomenu ...
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Re: Chladiaci system
Od: in2desire
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Pridané:
11.11.2017 11:31
nohy ...
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Re: Chladiaci system
Od: in2desire
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Pridané:
11.11.2017 11:31
... kurwa aj s Pivom ... obyvacke
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Re: Chladiaci system
Od: in2desire
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Pridané:
11.11.2017 11:32
a pivo
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Re: Chladiaci system
Od: syntaxterrorX XX
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Pridané:
11.11.2017 11:52
Na vymenu by tolko oprav aj za mesiac bolo v ramci zarucnej doby postacujucich.
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Re: Chladiaci system
Od: gertrudo
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Pridané:
10.11.2017 20:06
Konecne pekne HTPC do obyvacky
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Re: Chladiaci system
Od: man in shadow
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Pridané:
10.11.2017 20:13
Ovesat to diodami a úplná parádička.
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Re: Chladiaci system
Od: hapi
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Pridané:
10.11.2017 20:36
to je volačo pre hipíkov :)
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Re: Chladiaci system
Od: Klávesnice
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Pridané:
11.11.2017 15:48
Vidím tam presah na steampunk, úplne že moc...
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Re: Chladiaci system
Od: LytaRyta
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Pridané:
11.11.2017 23:20
ale faktžejo.. :o
kus to pripomína tie různé věcičky, ze všěch těch steampunk-ish fantasy filmů..
..priam *Temné Hmoty, - Jantárový Dalekohlad, /Zlatý Kompass
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Re: Chladiaci system
Od: čitateľ
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Pridané:
12.11.2017 4:27
Aký steampunk? Predsa, ak dnes nemáš LED v každej izbe tak si divný.
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Re: Chladiaci system
Od: syntaxterrorX XX
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Pridané:
11.11.2017 7:20
Vedci a experti globalnej spolocnosti predvadzaju vrcholove vykony optimalizacou pre triody, ale miestny odbornik sa priekazne zmiast nenecha...
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Re: Chladiaci system
Od: Financnik
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Pridané:
10.11.2017 20:53
Uz vypadol? Ci este stale vypada?
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Elliot
Od: Sam Sepiol
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Pridané:
10.11.2017 20:54
Mr. Robot plot twist confirmed !
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Piatok, 10. novembra 2017, dnes má meniny Tibor
Od: Macko Ondrej
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Pridané:
10.11.2017 21:06
50Q pocitace si mozete predstavit ako sucastne vykonne pocitace, akurat tieto su vykonnejsie..V podstate je rozdiel v tom, ci auto soferuje vikendovy penzista alebo zavodnik..
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Re: Piatok, 10. novembra 2017, dnes má meniny Tibor
Od: Gregorz Brzenczyszczykiewicz
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Pridané:
11.11.2017 9:14
alebo vikendovy zavodny penzista..
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vysvetlivka pre novsie generacie:
Od: syntaxterrorX XX
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Pridané:
11.11.2017 9:28
zavodny - firemny (arch.)
napriklad: zavodne auto, zavodny telefon,...
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Re: vysvetlivka pre novsie generacie:
Od: Neviem-
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Pridané:
11.11.2017 10:31
Tak závodné auto mi ako dobrý príklad nepripadá. Závodné auto závodí na závodoch. Ja by som skôr navrhoval závodnú jedáleň.
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Re: vysvetlivka pre novsie generacie:
Od: syntaxterrorX XX
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Pridané:
11.11.2017 11:07
Mnoo... lenze ja pre navrhovanie zavodnej jedalne nemam zodpovedajucu vzdelanostnu uroven.
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Re: vysvetlivka pre novsie generacie:
Od: Neviem-
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Pridané:
11.11.2017 14:04
Tak by si mohol aspoň "připravovat děckám jídelníček".
http://dopice.sk/kxG
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Re: vysvetlivka pre uplnych ...
Od: syntaxterrorX XX
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Pridané:
12.11.2017 5:18
Na to zas treba svojpravnost.
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Re: vysvetlivka pre novsie generacie:
Od: reg.: Houston
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Pridané:
12.11.2017 10:39
A nepreteka na pretekoch?
Skor bude pretekar ako zavodnik :-)
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Re: vysvetlivka pre novsie generacie:
Od reg.: miggg
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Pridané:
13.11.2017 10:22
Pretekar je ten pohar, ktory preteka.
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Re: vysvetlivka pre novsie generacie:
Od: čitateľ
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Pridané:
11.11.2017 14:55
Prípadne ešte podnikový (nie krčmový).
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vysvetlivka pre este novsie generacie:
Od: syntaxterrorX XX
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Pridané:
11.11.2017 15:37
podnikový - biznis (arch.)
napriklad: biznis oblek, biznis centrum,... v podstate hocico, co sa da biznit
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Titulok príspevku musí mať dĺžku aspoň 5 znakov
Od: IOPO
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Pridané:
10.11.2017 21:08
chlapci odfotili luster a teraz idu trepat ze je to chladic...njn aj tak sa da improvizovat ked je tesne pred terminom a namiesto vyvoja, sa venovali hraniu po sieti..
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Ten chladič...
Od: Cpt. Obvious
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Pridané:
10.11.2017 22:18
Arcanum: of steamworks and magick obscura
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Re: Ten chladič...
Od: Virgil
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Pridané:
11.11.2017 15:32
Srdcovka
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Nerealne
Od: Neuveriteľne
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Pridané:
10.11.2017 22:27
Kvantové počítače ako koncept na papieri sú skvele čo všetko dôkazu čo budú vedieť zmení nám to cele vnímanie vesmíru . Zpraktickeho hľadiska nezrealizovateľné . Na gpu ckach stávať počítače to je budúcnosť
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Re: Nerealne
Od: LytaRyta
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Pridané:
10.11.2017 23:15
"..Zpraktickeho hľadiska nezrealizovateľné.."
(Na gpu ckach stávať počítače to je budúcnosť)
..ked myslíš.. ;) 8) :p
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Re: Nerealne
Od reg.: Zapredaný
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Pridané:
11.11.2017 0:20
Niekto tusim rozbehol linuxi na GPU a UDAJNE to bolo sialene pomale <3
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Re: Nerealne
Od: ........lul?
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Pridané:
11.11.2017 7:33
I riekol slovo bozie.
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Ale kkt
Od: Kristofko
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Pridané:
11.11.2017 11:42
Kolko ze to ma watov ta rozbita elektronka? Piste RP
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Klikol som na obrazok pre zvacsenie
Od: klikacik
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Pridané:
12.11.2017 20:38
ale obrazok sa ukazal zmenseny.
nieco je spatne.
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Re: Klikol som na obrazok pre zvacsenie
Od: enx
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Pridané:
13.11.2017 8:46
na obrazku máš potom v pravo hore ikonku na zväčšenie !
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