{"id":37343,"date":"2019-10-31T22:17:07","date_gmt":"2019-10-31T19:17:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/ibm-obyavil-ob-otkrytii-arhitektury-protsessorov-power\/"},"modified":"2019-10-31T22:17:07","modified_gmt":"2019-10-31T19:17:07","slug":"ibm-obyavil-ob-otkrytii-arhitektury-protsessorov-power","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/ibm-obyavil-ob-otkrytii-arhitektury-protsessorov-power","title":{"rendered":"IBM har annonceret \u00e5bningen af Power-procesearkitekturen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

IBM har annonceret<\/a><\/noindex> om overs\u00e6ttelsen af instruktion s\u00e6ttet (ISA) Power til at blive \u00e5bent. I 2013 etablerede IBM allerede konsortiet OpenPOWER, hvor de gav mulighed for licensering af relateret intellektuel ejendom og gav fuld adgang til specifikationer. Der blev dog stadig opkr\u00e6vet gebyrer for licensen til at producere chips. Fremover vil skabelsen af egne modifikationer af chips baseret p\u00e5 Power instruktion s\u00e6ttet v\u00e6re offentligt tilg\u00e6ngeligt uden krav om betaling af afgifter. Det gives ogs\u00e5 ret til frit at bruge alle relaterede IBM-patenter for Power, og projektledelsen overg\u00e5r nu til f\u00e6llesskabet, som nu
\nvil v\u00e6re involveret i beslutningsprocesserne.<\/p>\n

Den udviklingsoverv\u00e5gede organisation OpenPOWER Foundation vil oversat<\/a><\/noindex> g\u00e5 ind under Linux Foundation, hvilket vil muligg\u00f8re oprettelsen af en uafh\u00e6ngig platform for yderligere samarbejdende udvikling af Power-arkitekturen, uden tilknytning til en bestemt producent. Allerede har mere end 350 virksomheder sluttet sig til<\/a><\/noindex> f\u00e6llesskabet. Mere end 3 millioner linjer kode af systemfirmware, specifikationer og diagrammer, n\u00f8dvendige for at skabe Power-kompatible chips, er blevet overdraget til f\u00e6llesskabet. <\/p>\n

Udover overs\u00e6ttelsen af komponenterne til Open Hardware i instruktionss\u00e6ttet har IBM ogs\u00e5 overdraget nogle tilknyttede teknologier, der anvendes i Power9-chips, herunder en softwareimplementering (softcore) af POWER ISA samt en reference-design for udvikling af udvidelser baseret p\u00e5 interfaces OpenCAPI<\/a><\/noindex> (Open Coherent Accelerator Processor Interface) og OMI (Open Memory Interface). Den leverede softwareimplementering muligg\u00f8r simulering af arbejdet med den referenceprocessor ved hj\u00e6lp af Xilinx FPGA. <\/p>\n

OpenCAPI-teknologien vil g\u00f8re det muligt at opn\u00e5 maksimal ydeevne og eliminere flaskehalse ved organisering af interaktion mellem processorkerner og integrerede enheder s\u00e5som GPU'er, ASIC'er, forskellige hardwareaccelerationer, netv\u00e6rkschips og datalagringskontrollere. OMI vil accelerate hukommelseskontrollernes b\u00e5ndbredde og reducere opst\u00e5ede forsinkelser. For eksempel vil det ved hj\u00e6lp af disse tilf\u00f8jelser baseret p\u00e5 Power v\u00e6re muligt at skabe specialiserede chips, der er optimeret til at l\u00f8se kunstig intelligens-opgaver og h\u00f8jtydende dataanalyse i hukommelsen. <\/p>\n

Sammenlignet med de allerede tilg\u00e6ngelige \u00e5bne arkitekturer MIPS<\/a><\/noindex> og RISC-V,<\/a><\/noindex>, er Power-arkitekturen f\u00f8rst og fremmest attraktiv for udviklingen af moderne serversystemer, industrielle platforme og klynger. For eksempel er der i samarbejde med IBM, NVIDIA og Mellanox blevet lanceret to af verdens st\u00f8rste klynger baseret p\u00e5 Power-arkitekturen, som f\u00f8rer rangering<\/a><\/noindex> listen over Supercomputere Top500.<\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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