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Kubijyanye nigitutu cyo kwibuka, gufunga impaka, hamwe namakuru-yerekanwe

Ibitekerezo

7 min read Via mnt.io

Mewayz Team

Editorial Team

Hacker News

Gusobanukirwa Ibiboneka bitagaragara: Kwibuka no gufunga

Mwisi yisi ya software, imikorere nifaranga ryo kunyurwa kwabakoresha. Kubucuruzi bushingiye kubikorwa bigoye, ibisubizo bidatinze hamwe na sisitemu yo guhagarika birenze ibirenze gusa; ni iterabwoba ritaziguye ku musaruro no kwinjiza. Akenshi, intandaro yibi bibazo byimikorere ntabwo ihita igaragara, yihishe mubwubatsi bwa software ubwayo. Babiri mubantu benshi bakunze kwibasirwa ni igitutu cyo kwibuka no gufunga. Ibi bibazo bikunze gutekwa muburyo bwa gakondo, bushingiye ku gishushanyo mbonera gishyira imbere kodegisi ya progaramu ya progaramu ya progaramu ya data kuri mashini. Kugirango wubake imikorere-yimikorere, sisitemu nini yinganda zigezweho zisaba, guhindura paradigm ni ngombwa. Aha niho hashingiwe kuri Data-Dushushanya (DOD) igaragara nka filozofiya ikomeye, imwe ihuza imyubakire ya software hamwe nicyuma ikora kugirango ikureho izo mbogamizi mbere yuko zitangira.

Ikurura ryihishe ryumuvuduko wo kwibuka

Muri rusange, igitutu cyo kwibuka bivuga imbaraga zashyizwe kumurongo wa sisitemu yo kwibuka (RAM na CPU cashe). Abatunganya kijyambere birihuta bidasanzwe, ariko bamara umwanya munini bategereje ko amakuru azanwa mububiko nyamukuru. Kugabanya ibi, CPU ikoresha ntoya, ultra-yihuta yibuka banki yitwa cache. Iyo amakuru CPU ikeneye yamaze kuba muri cache (cache hit), gutunganya birihuta. Iyo atari (cache miss), CPU irahagarara, itegereje ko amakuru aboneka. Umuvuduko wo kwibuka ubaho mugihe ibikorwa byakazi byamakuru ari binini cyane cyangwa bitunganijwe neza, biganisha kumurongo uhoraho wa cache miss. Muburyo busanzwe bushingiye ku gishushanyo, amakuru akwirakwizwa mubintu byinshi kugiti cye. Guhindura ukoresheje urutonde rwibi bintu bisobanura gusimbuka gutandukanya aho wibutse, icyitegererezo kibi kuri cache ikora neza. Itegurwa rya CPU ntirishobora guteganya uburyo butunguranye, bikavamo guhora guhagarara no gukora nabi cyane.

Iyo Gukorera hamwe Kunanirwa: Ikibazo cyo Gufunga Ibirimo

> Gufunga impaka bivuka mugihe insanganyamatsiko nyinshi zigerageza kubona ifunga rimwe. Aho gukora muburyo bubangikanye, insanganyamatsiko zirangira zitegereje umurongo kumurongo wazo, ibikorwa bikurikirana byari bigamije guhuza. Ibi bihindura sisitemu yibice byinshi, bigomba gutanga ibicuruzwa byiyongereye, muri sisitemu aho ingirakamaro zidafite akazi, zifunzwe na software yashyizweho na software. Gufunga birenze urugero biranga imyubakire aho isangiwe, ihinduka rya leta irasanzwe, ikindi kintu gikunze kuranga ibintu-bishingiye kuri sisitemu yerekana isi nkigishushanyo cyibintu bifitanye isano. Hejuru yo kubona no kurekura ibifunga, hamwe nigihe cyo gutegereza, birashobora gusya ubunini bwa sisitemu kugirango ihagarare.

Igishushanyo-cyerekeranye nigishushanyo: Kubaka imikorere

Igishushanyo-cyerekeranye nigishushanyo ntabwo isomero cyangwa igikoresho cyihariye, ahubwo ni ihinduka ryibanze mubitekerezo. Aho kubaza "Ni ibihe bintu biri muri sisitemu yanjye?", DOD irabaza "Ni izihe mpinduka nkeneye gukora ku makuru yanjye, kandi nigute nshobora gushiraho ayo makuru kugira ngo ayo mahinduka akorwe neza bishoboka?" Ubu buryo bukemura mu buryo butaziguye ibibazo byumuvuduko wo kwibuka no gufunga amakimbirane ushyira imbere uburyo amakuru yinjira mububiko.

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