Hacker News

Whakaatuhia te HN: He kaiwhakataki hihi GPU-a-tinana kua tuhia ki Julia

\u003ch2\u003eWhakaatuhia te HN: He kaiwhakataki hihi GPU-a-tinana kua tuhia ki Julia\u003c/h2\u003e \u003cp\u003eKo tenei korero a Hacker News "Whakaatuhia te HN" e whakaatu ana i tetahi kaupapa auaha, taputapu ranei i hangaia e nga kaihanga mo te hapori. Ko te tukunga e whakaatu ana i nga mahi hangarau me te whakaoti rapanga.\u003c/p...

6 min read Via makie.org

Mewayz Team

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Hacker News
\u003ch2\u003eWhakaatuhia te HN: He kaiwhakataki hihi GPU-a-tinana kua tuhia ki Julia\u003c/h2\u003e \u003cp\u003eKo tenei korero a Hacker News "Whakaatuhia te HN" e whakaatu ana i tetahi kaupapa auaha, taputapu ranei i hangaia e nga kaihanga mo te hapori. Ko te tukunga e tohu ana i nga mahi hangarau me te whakaoti rapanga.\u003c/p\u003e \u003ch3\u003eNga Tohu Kaupapa\u003c/h3\u003e \u003cp\u003eNgā āhuatanga matua e whakanuia ana tēnei kaupapa:\u003c/p\u003e \u003cul\u003e \u003cli\u003eKo te huarahi tuwhera-puna e whakatairanga ana i te mahi tahi\u003c/li\u003e \u003cli\u003eTe otinga whaitake ki nga raruraru o te ao\u003c/li\u003e \u003cli\u003e Hangarau hou i roto i te whanaketanga rorohiko\u003c/li\u003e \u003cli\u003eKo te whakaurunga hapori me te whakapai ake na runga i nga urupare\u003c/li\u003e \u003c/ul\u003e \u003ch3\u003eHira Hangarau\u003c/h3\u003e \u003cp\u003eKo tenei momo kaupapa e whakaatu ana i te kaha o te whanaketanga a te hapori me te whanaketanga tonu o nga otinga hangarau ma te mahi tahi.\u003c/p\u003e

Patai Auau

He aha te mahi a tinana-a-tinana GPU hihi, a he aha te take he aha?

Ka whakatairitehia e te kaitirotiro hihi hihi-a-tinana te ahua o te marama i roto i te ao — te tarai i nga hihi mai i te kaamera mariko, te peke atu i nga mata, me te tarai i te tae tika me te atarangi. Ma te rere i runga i te GPU, ka taea e ia te tukatuka i nga mano o nga hihi i roto i te whakarara, me te tere tere i nga wa tuku. Ka whakamahia nuitia tenei tikanga i roto i te hanga kiriata, te whanaketanga keemu, me te whakakitenga putaiao he mea nui kia tika te whakaahua.

He aha te take ka whakatinanahia he kaiwhai hihi hihi i Julia hei utu mo C++, CUDA ranei?

Ka tuku a Julia i te rorohiko tau mahi teitei me te wetereo he nui ake te panui atu i te C++, na te mea he kowhiringa mo te rangahau whakairoiro. Ko tana tautoko GPU na roto i nga kohinga penei i te CUDA.jl ka taea e nga kaiwhakawhanake te tuhi i te waehere kernel ki a Julia ma, kaua ki te huri i nga reo. Ma tenei ka whakaheke i te arai mo nga kairangahau me nga kaiputaiao ki te whakamatau ki te whakaputa i nga algorithms me te kore e pau te mahi — he take nui ka whai mana nga kaupapa penei i te hapori HN.

He aha te momo kaiwhakawhanake, kaihanga ranei ka tino whai hua mai i te kaupapa penei?

Ka kitea e nga kaiwhakawhanake, kairangahau, me nga tohunga toi hangarau e hiahia ana ki te whakaputa, te whaihanga, te putaiao rorohiko ranei te tino uara ki konei. Mena kei te titiro ano koe ki te hanga me te whakamoni i nga kaupapa auaha, kaupapa hangarau ranei i runga ipurangi, ko nga tüäpapa pënei i Mewayz e whakarato ana neke atu i te 207 waahanga - mai i nga kopaki ki nga toa hua mamati - timata katoa i te $19/marama, he mea ngawari ki te whakarewa i tetahi waahi huri noa i to mahi puna tuwhera.

Ka taea e au te koha ki te whakaroa atu ranei i tetahi kaupapa GPU ray tracer penei?

Tino rawa. I te mea he puna-tuwhera te kaupapa, ko nga takoha penei i nga tauira rawa hou, nga kaikawe whakaaturanga, me nga arotautanga mahi ranei e manakohia ana. Ko te maataki i te putunga me te whakamatautau i te rohe he maamaa ki te puunaha rauwiringa kaiao a Julia. Mena kei te whakamahere koe ki te tuhi, ki te tiri ranei i o mahi whanui ki te iwi whanui, taputapu penei i Mewayz — tuku 207+ kōwae i te $19/marama — kia ngawari ki te hanga i tetahi rangitaki, whakaaturanga, tari hapori ranei huri noa i o takoha.

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