ARM neuron A7 iprosesa: iimpawu kunye nohlaziyo

ARM Cortex A7 . Kweli nqaku siza kuthetha ARM neuron A7 iprosesa bokwakha. iimveliso semiconductor ngokusekelwe ingafunyanwa kwi phones smart, imizila, PC tablet kunye nezinye iifowuni, apho de kutshanje ahlala indawo ephambili ingxenye emarikeni. Ngoku oko ngokuthe ngcembe indawo izisombululo ezitsha kunye fresh iprosesa.

inkcazelo emfutshane malunga ingalo inkampani

началась в 1990 году, когда она была основана Робином Саксби. Imbali Iinkampani ARM yaqala ngo-1990, xa yasekwa Robin Saxby. ngendlela efanayo ukuba indalo yayo yaba ukwakhiwa isilawuli entsha. , то после образования данной компании появилась достойная альтернатива в виде RISC. Phambi ukuba indawo lawula ngopfu kwimarike x86 CPU ahlala okanye CISC, emva ukuyilwa inkampani wabonakala njengendlela eyenye ndinyobulule RISC. Kwimeko yokuqala, ukuphunyezwa kwe ikhowudi lancipha amanyathelo 4:

1. Ukulungiswa imiyalelo kumatshini.

2. Ukwenza le microcode ukuguqulwa.

3. Ukufumana micro-imiyalelo.

4. ukuphunyezwa ngokwezigaba micro-imiyalelo.

сновная же идея архитектуры RIS С состояла в том, что обработку программного кода можно свести к 2 этапам: SIC efanayo mbono linguDamari lwezakhiwo kukugcina yokuba inkqubo yokuqulunqwa koMthetho inkqubo ikhowudi ingashwankathelwa ngezigaba-2:

1. RISC- инструкций. Amalungiselelo RISC- imiyalelo.

2. RISC- инструкций. imiyalelo yosetyenziso RISC-.

ак в первом, так и во втором случае есть как плюсы, так и существенные недостатки. Ow kule yokuqala kwimeko yesibini, kukho zombini eziluncedo kunye neentsilelo ezibalulekileyo. RISC ( в том числе и ARM Cortex A7 , представленная 2011 году) — рынок мобильных устройств. x86 ngempumelelo imbasa market computer, kunye RISC (kubandakanywa ARM neuron A7, kuqaliswa ngo-2011) - imarike zizixhobo eziphathwayo.

Ibali neuron A7 bokwakha. iimpawu eziphambili

Xa siphumeza "neuron A8" njengesiseko "neuron A7." Ingcamango osisiseko ababhekisi phambili kulo mba kukuqinisekisa, ukuze kwandiswe imveliso kakhulu ngcono songa amandla izisombululo processing. . Yiloo nto ihlileyo, le iinjineli inkampani Ingalo. Enye ebalulekileyo kule meko kukuba kukho ithuba ukudala big.LITTLE CPU technology. Oko kukuthi, nj semiconductor singabandakanya iyunithi computing 2. Omnye wabo ijolise ekusombululeni imisebenzi elula ngesifo ngamandla oluncinane kunye, njengoko umthetho, kule ndima, yaye wenza "neuron A7" engundoqo. Le yesibini yenzelwe ukubaleka software olunzima kakhulu kwaye zisekelwe phezu units becomputing "neuron A15" yaye "A17 uthinte". Ngokusemthethweni "neuron A7" kwanikezwa, njengoko kubonisiwe ngaphambili, ngowe-2011. Kaloku, iprosesa yokuqala ARM neuron A7 wabona kamva kunyaka ukukhanya, oko kukuthi ngowe-2012.

kubuxhakaxhaka bokuvelisa

Ekuqaleni, iimveliso semiconductor-based eveliswe yi A7 65 Inkqubo NM technology. Ngoku lo bugcisa kombiseke lixesha. Kwixesha elizayo, ukuba wakhululwa izizukulwana ezimbini A7 imigangatho iziqhubekisi zokwamkelwa 40 NM kunye 32 NM. Kodwa ngoku zaphelelwa. Yemifanekiso CPU yakutshanje ezisekelwe kule ngokwakha wenza sele ngamaxabiso-28 NM, kwaye ukuba kufunyanwa ayithengiswa. Enye inguqulelo iinkqubo ezintsha zobugcisa imigaqo emitsha yokwamkelwa izakhiwo lixesha balindele ngenkankulu ikufanele. Chips esekelwe A7 ngoku yile mali icandelo uninzi yokurhweba iifowuni yaye ngokuthe ukubuyisela izinto sele ngokusekelwe A53, eseyiphantse kwi parameters efanayo energy inqanaba komsebenzi eliphezulu.

Architecture isilawuli core

1, 2, 4 okanye 8 umphakathi ukuze zifakwe kwi-CPU ngokusekelwe ARM uthinte A7. Ngeempawu iziqhubekisi kwimeko yokugqibela, zibonisa ukuba isakhiwo chip eyinxalenye-2 ukuya kwele-4 cluster ngumongo. 2-3, iimveliso entry-level iprosesa esekelwe chips kunye im 1 okanye iimodyuli 2 ikhompyutha. I-avareji level ithatha izisombululo-4-core. Kaloku, ipremiyamu ingxenye kwaba-8-core neetshiphusi. core isilawuli nganye ezisekelwe kule sesakhiwo ibandakanya modyuli zilandelayo:

• лок обработки чисел с плавающей запятой ( FPU). B processing lock lencopho equkuqelayo (FPU).

• Level Cache 1.

• NEON для оптимизации работы ЦПУ. unit neon ukwandisa CPU.

• ARMv7. imodyuli computing ARMv7.

Kukho amacandelo alandelayo Kuqhelekile ukuba zonke nuclei kule CPU:

• Cache L2.

• unit eziba Control CoreSight.

• Management Data Controller Amba ibhasi kunye nentwana 128 ziintanda.

frequency kunokwenzeka

Elona xabiso liphezulu yefrikhwensi iwotshi lithile isilawuli lwezakhiwo ingahluka 600 MHz 3 GHz. Kananjalo qaphela ukuba le parameter esicacisa ifuthe eliphezulu kwintsebenzo lutshintsha inkqubo yekhompyutha. Enanikade amaza kuchaphazela ngqo zinto zintathu:

• ingxaki Ubunzima ekufuneka isonjululwe.

• The degree of software kokugqityezelwa multithreading.

• Ixabiso yangoku lobushushu semiconductor chip.

Ngokomzekelo siqwalasela umsebenzi algorithm MT6582 chip, olusekelwe A7 kwaye kubandakanya iiyunithi ezine azo apho utshintsho rhoqo ukususela 600 MHz ukuya 1.3 GHz. Kwimo bengasebenzi, it has iyunithi yokusebenza isenokuba iyunithi computing omnye kuphela nje, kwaye isebenza kwi amaza lisezantsi kangangoko ka 600 MHz. A isimo esifanayo kwimeko apho isicelo elula kwi igajethi mobile iza kuphehlelelwa. Kodwa xa uluhlu lwemisebenzi kubonakala yokudlala abanezibonelelo kunye olulungiselelwe multithreading, kuyo ziza kugqitywa ngokuzenzekela babuyele emsebenzini wonke 4 le-unit ikhowudi processing kumaza ka 1.3 GHz e. Njengoko uninzi hot core ukufudumeza CPU kuya kunciphisa amaza okanye zicinywe. Kwelinye icala, le ndlela ubonelela energoeffektivnst, kunye nezinye - nj kumgangatho owamkelekileyo yokusebenza.

imemori yecache

2 Kuphela inqanaba efihlakeleyo kubonelelwe nengalo uthinte A7. Iimpawu chip semiconductor, yena, ingongoma yokuba ukuba inqanaba lokuqala inyanzelekile yahlulwe kubini-2 alinganayo. должна хранить данные, а другая — инструкции. Enye yazo ukugcina idata, kunye nezinye - imiyalelo. азмер кеша на 1-ом уровне по спецификациям может быть равен 64 Кб. Isishwankathelo p Imilinganiselo cache level 1 iinkcukacha ukuze alingane 64 KB. Ngenxa yoko, nathi ukufumana 32 KB ye data kunye 32 KB ye khowudi. е ть от конкретной модели ЦПУ. inqanaba Cache 2 kulo mzekelo iya kuba baxhomekeke yemifanekiso CPU e ethile. Isixa incinane kunokuba 0 MB (ngamanye amazwi, akakho) kunye ezinkulu - 4MB.

Le isilawuli RAM. iimpawu zayo

isilawuli RAM eyakhelwe-ngaphakathi lixhotyiswe nayiphi ARM iprosesa uthinte A7. iimpawu Isicwangciso yobugcisa zibonisa ukuba yenzelwe ukusebenza ngokudibene ne umgangatho RAM LPDDR3. operation frequency memory acetyiswayo kule meko ilingana ngo1066 MHz ne 1333 MHz. Ubukhulu iphezulu RAM, apho bunokubonwa practice, kuba imodeli elinikiweyo chip ngu-2 GB.

graphics ezihlangeneyo

Njengoko kulindelekile, le izixhobo data isilawuli babe esezantsi graphics ehlangeneyo. рекомендует использовать в сочетании с этим ЦПУ графическую карту собственной разработки Mali - 400MP2 . inkampani Production Ingalo lithethelela ukuba usebenzise ngokusebenzisana kunye nekhadi yemizobo CPU yophuhliso Mali uqobo - 400MP2. Kodwa ukusebenza kwayo amaninzi ngokwaneleyo kukhulula amandla aleleyo izixhobo isilawuli. Ngoko ke chips ababhekisi ezisetyenziswa zidityaniswe kunye nekhadi chip ngakumbi kakuhle, umzekelo, Power VR6200.

features software

iintlobo ezintathu iinkqubo zokusebenza ijolise Processors Ingalo:

• от поискового гиганта Google. Android kuphendlo omkhulu Google.

• от APPLE. iOS Apple.

• от «Майкрософт». Windows Mobile ukusuka 'Microsoft ".

Yonke enye yinkqubo software alukayifumani ukwabiwa ngokubanzi. Isabelo inkulu emarikeni software loo nto kunzima ukuthelekelela, kuthatha Android. Le nkqubo isixhobo elula kwaye ongenantandabuzo interface kwaye zisekelwe phezu kuso kwinqanaba lokuqala kakhulu kwaye afikeleleke kakhulu. Ngaphambi kokuba version 4.4 kuquka, kwaba bit-32, yaye 5.0 ngoku ixhasa bit-64 ikhompyutha. , в том числе и ARM Cortex A7. Le nkqubo yokusebenza lisebenza kuyo nayiphi bokwakha CPU usapho RISC, kuquka ARM neuron A7 ngempumelelo. Engineering imenyu - yenye inkalo ebalulekileyo kwinkqubo le software. Ngalo uyakwazi ukuqwalasela kwakhona ngokubaluleka iimpawu OS. Ukufikelela kule menu inye kungafikelelwa ngokusebenzisa ikhowudi ukuba CPU ibe nganye yahlukile.

Enye into ebalulekileyo kukuba i Linux yokusebenza - ufakelo zonke uhlaziyo kunokwenzeka ngokuzenzekelayo. Ngoko ke, nkqu amathuba amatsha kuvela engalweni chip usapho uthinte A7. Firmware ungadibanisa. Inkqubo yesibini ijolise kwiinkampani elektroniki ephathekayo Apple. izixhobo igxile ngokubanzi ngokomrhumo - ingxenye kwaye amanqanaba ezahlukeneyo komsebenzi kunye neendleko. пока не получила большого распространения. Latest OS Windows Mobile ubuso alukayifumani ukwabiwa ngokubanzi. Devices ezisekelwe phezu kwalo, kulo naliphi na icandelo izixhobo ezihambayo, kodwa ukuba imali encinane yesicelo software kulo mzekelo yeyona nto umda ukuba ukwanda yayo.

models iprosesa

Eyona ekhoyo kunye nemveliso ubuncinane kulo mzekelo zezi-core 1 neetshiphusi. Eyona kangaka phakathi kwabo MT6571 evela kwithala kwinkampani. Kwinyathelo ngasentla elikabini CPU ARM neuron A7 Dual Core. Ngokomzekelo, MT6572 kuzo zonke kumenzi efanayo. Umgangatho nakakhulu olunikwa okane Core ARM uthinte A7. Nj ithandwa kakhulu kweli Usapho MT6582, leyo ngoku enokufunyanwa izixhobo ezihambayo, kwinqanaba lokuqala. Kaloku, ngumphakamo omkhulu komsebenzi ngaphandle kokuba CPUs-8-core, ebeyinalo 6595 MT.

Amathemba phambili uphuhliso

Uyakwazi kufunyanwa on store ezishelifini izixhobo ephathekayo ezisekelwe iyunithi semiconductor processing ngokusekelwe 4x ARM uthinte A7. Le MT6580, MT6582 kunye "Snapdragon 200". Zonke ezi chips ziquka unit ezine computing kwaye kakuhle kakhulu amandla. Kwakhona kulo mzekelo, iindleko yi kakhulu, ezibekile kakhulu. Kodwa ezona amaxesha i ukwakhiwa isilawuli liphelile. intengiso Incopho yemveliso esekelwe liwela 2013-2014, xa imarike for izixhobo mobile yena phantse akukho okunye. Kwaye kule meko sithetha lwabiwo njengesixhobo kunye iimodyuli ngekhompyutha 1 okanye ezi-2 kunye elektroniki flagship kunye CPU-8-core. Okwangoku, ngokuthe ngcembe lenkosikazi imarike "neuron A53", nto leyo kubaluleke ukulungiswa uguqulelo bit-64 le-A7. Kulo mzekelo, okulungileyo komanduleli lalo, liye wayilondoloza ngokupheleleyo, kwaye ikamva ngokuqinisekileyo ngasemva kwawo.

Uluvo leengcali kunye nabasebenzisi. Ukubuyekezwa Real yeetships ezisekelwe kule kwesakhiwo. Amandla kunye nobuthathaka

Kakade ke, kukho isiganeko ebalulekileyo kwihlabathi izixhobo mobile ibe ukuvela isilawuli zokwakha izixhobo ARM uthinte A7. Bungqina kule kukuba izixhobo ezisekelwe kuyo sele wathengisa ngempumelelo kwiminyaka engaphezu kwama-5. Kakade ke, ngoku ke amandla CPU kwi ngokwesiseko A7 sele Akwanelanga nkqu ukuba imisebenzi yee-level, kodwa eyona ilula ikhowudi kwi chips ezinjalo kwaye seyisebenza ngempumelelo namhlanje. Uluhlu software efana kunye nevidiyo, ukuphulaphula odiyo, iincwadi zokufunda, ukhangela i Web, nkqu zokudlala ezininzi alula, kulo mzekelo ukubaleka ngaphandle naziphi na iingxaki. Kungenxa kule kwaye kugxininisa ngakumbi eziphambili nezinyuko mlonyeni ezinikelwe izixhobo mobile kunye devaysa njengoko iingcali ezikhokelela kwesi sicwangciso, kwakunye kubasebenzisi abaqhelekileyo. Key thabatha A7 - kukunqongophala inkxaso bit-64 ikhompyutha. Kodwa ezincedayo iquka ukuhlanganiswa wayo ogqibeleleyo ngempumelelo kwamandla kunye nokusebenza.

iziphumo

это целая эпоха в мире мобильных устройств. Kakade ke, lo sesakhiwo ARM neuron A7 - ixesha lonke kwihlabathi kwezixhobo mobile. Kwaba njalo nokufika izixhobo mobile ziye zifumaneka kunye kakhulu nemveliso. Yaye into nje ukuba uneminyaka engaphezu kwe-5 wathengisa ngempumelelo bobunye ubungqina. Kodwa ke ukuba izinto zokuqala kwi noseko lwalo na inxalenye phakathi premium yemarike, kwaye ngoku kubo yaba udidi mali kuphela. Le izakhiwo iphelelwe yaye ngokuthe shwaka.