PCIe X1, X4, X8, X16 Ndi X32: Kodi pali kusiyana kotani?
2024-08-13 16:29:49
1. Kodi PCIe ndi chiyani?
PCIe (Peripheral Component Interconnect Express) ndi mulingo wamabasi othamanga kwambiri omwe amapangidwa kuti alumikizitse bolodi lamakompyuta ndi zida zotumphukira monga makhadi azithunzi, makhadi a netiweki, ndi zida zosungira. Chokhazikitsidwa mu 2003, PCIe idalowa m'malo mwamiyezo yakale ngati PCI ndi PCI-X, yopereka kusintha kwakukulu pa liwiro, bandwidth, komanso magwiridwe antchito. Chidziwitso chofunikira cha PCIe ndikugwiritsa ntchito maulumikizi a serial point-to-point-chipangizo chilichonse cholumikizidwa kudzera munjira za PCIe chimalumikizana mwachindunji ndi wolandila, m'malo mogawana basi wamba, kulola kusamutsa deta mwachangu komanso moyenera.
Kufunika kwa PCIe mu Computing Yamakono
M'dziko lamakono, PCIe ndiyofunikira pamakompyuta ochita bwino kwambiri. Imapatsa mphamvu zida zofunikira monga ma GPU, omwe ndi ofunikira pamasewera, 3D rendering, ndi AI processing. Kuphatikiza apo, mipata ya PCIe imagwira zotumphukira zapamwamba za bandwidth, monga ma drive a NVMe, omwe amafunikira kutulutsa kwa data. Misewu ya PCIe imatanthauzira bandwidth yolumikizira, ndipo kuchuluka kwa misewu komwe kumapezeka kumatha kusiyanasiyana kuchokera ku x1 mpaka x32, kukhudza mwachindunji magwiridwe antchito a chipangizocho.
2. Kodi PCIe Lanes Ndi Chiyani?
Misewu ya PCIe ndiye zomangira zolumikizirana ndi PCIe. Njira iliyonse imakhala ndi mawaya awiri: imodzi yotumizira deta ndi ina yolandira deta. Chiwerengero cha misewu-chosonyezedwa ndi x m'mawu ngati x1, x4, x8, ndi x16-chimasankha bandwidth yomwe ikupezeka ku chipangizo. Misewu yowonjezereka ikufanana ndi bandwidth yapamwamba komanso mayendedwe ofulumira otumizira deta. Mwachitsanzo, kagawo ka x16 kamapereka njira 16, zomwe zimapangitsa kuti zikhale zabwino kwa makadi ojambula ndi ma GPU angapo, pomwe kagawo ka x1 kokhala ndi njira imodzi yokha ndiyoyenera zida monga ma adapter network kapena makadi amawu.
Ubale Pakati pa Lanes ndi Bandwidth
Kuchuluka kwa misewu ya PCIe kumakhudza mwachindunji kuthamanga kwa data. Njira iliyonse imatha kunyamula zambiri, kutengera mtundu wa PCIe:
PCIe 1.0: 250 MB / s pa msewu
PCIe 2.0: 500 MB/s pa msewu
PCIe 3.0: 984 MB/s pa msewu
PCIe 4.0: 1969 MB/s pa msewu
Chifukwa chake, kagawo ka x16 mu PCIe 4.0 kumatha kukwaniritsa mpaka 31.51 GB/s ya kusamutsa deta.
3.Kufananiza Mwatsatanetsatane Mitundu ya PCIe Slot
A. PCIe x1 kagawo
Kagawo ka PCIe x1 ndiye kakang'ono kwambiri malinga ndi kukula kwa thupi komanso kuchuluka kwa mayendedwe. Imakhala ndi njira imodzi ya data, yomwe ndi yokwanira pazida zomwe sizifuna bandwidth yochulukirapo, monga makhadi a netiweki, makhadi okulitsa a USB, ndi makadi amawu. Chifukwa imangothandizira 250 MB/s panjira iliyonse mu PCIe 1.0 mpaka 1969 MB/s mu PCIe 4.0, kagawo ka PCIe x1 ndikwabwino pantchito zosafunikira.
B. PCIe x4 Slot
PCIe x4 slot ili ndi misewu inayi, yopereka bandwidth yowonjezereka komanso kuthamanga kwa data. Izi zimapangitsa kukhala koyenera kwa zida zosungirako monga NVMe SSDs kapena owongolera a RAID omwe amafunikira magwiridwe antchito pang'ono. Ngakhale sizodziwika pa desktops, kagawo ka x4 nthawi zambiri amagwiritsidwa ntchito m'malo ogwirira ntchito ndi ma seva pazinthu zomwe zimakhudza kutulutsa kwapakatikati kwa data. Itha kupereka mpaka 7.88 GB/s mu PCIe 4.0.
C. PCIe x8 Slot
PCIe x8 slot imapereka njira zisanu ndi zitatu zosinthira deta, zomwe zimapereka bandwidth yokwanira kwa olamulira apamwamba a RAID, makadi owonetsera maukonde (NICs), ngakhale makadi ena ojambula. Pokhala ndi bandwidth yochulukirapo ya 15.75 GB/s mu PCIe 3.0 kapena 31.51 GB/s mu PCIe 4.0, kagawo kakang'ono kameneka kamagwiritsidwa ntchito popanga ma GPU apawiri kapena ntchito zamakompyuta zogwira ntchito kwambiri zomwe zimafuna kuchulukira kwa data koma osafunikira kuthekera konse kwa x16 slot.
D. PCIe x16 Slot
Malo odziwika kwambiri komanso ogwiritsidwa ntchito kwambiri ndi PCIe x16 slot, yomwe imathandizira njira khumi ndi zisanu ndi chimodzi zosinthira deta. Kagawo kakang'ono kameneka kamakhala ndi makadi ojambula chifukwa cha kuchuluka kwa bandiwifi yomwe imafunikira popereka zithunzi zowoneka bwino komanso kuyendetsa ma AI. Kagawo ka x16 mu PCIe 4.0 imatha kugwira mpaka 31.51 GB/s ya kusamutsa deta, kupangitsa kuti ikhale njira yopititsira patsogolo ntchito zapamwamba, makamaka pamasewera, 3D rendering, ndi kuphunzira pamakina. Kuphatikiza apo, ma boardboard ambiri amamai amapereka mipata yambiri ya x16, kulola kukhazikitsidwa kwa ma GPU angapo monga NVIDIA's SLI kapena AMD's CrossFire.
| Mtundu wa Slot | Misewu | Maximum Bandwidth (PCIe 4.0) | Ntchito Wamba |
| PCI x1 | 1 | 1969 MB/s | Makhadi a netiweki, makhadi amawu, ma adapter a USB |
| PCI x4 | 4 | 7.88GB/s | NVMe SSDs, olamulira a RAID |
| PCI x8 | 8 | 15.75 GB / s | Olamulira apamwamba a RAID, makadi a netiweki |
| PCI x16 | 16 | 31.51 GB / s | Makhadi azithunzi, kukhazikitsidwa kwa ma GPU ambiri |
E. PCIe x32 Slot (Zosowa)
PCIe x32 slot ndiyosowa kwambiri ndipo imagwiritsidwa ntchito makamaka pamakompyuta apamwamba kapena ma seva abizinesi omwe amafunikira kuchuluka kwa bandwidth. Imathandizira mpaka misewu 32, yopereka 63.02 GB/s mu PCIe 4.0. Chifukwa chakusoweka kwake, kagawo kakang'ono kameneka kamapezeka m'makina apadera omwe amagwira ntchito monga ma data center ndi zoyerekeza zasayansi.
5.Mabaibulo a PCIe ndi Kusiyana kwa Magwiridwe
A. PCIe 1.0 kupita ku PCIe 5.0
Muyezo wa PCIe (Peripheral Component Interconnect Express) wasintha kwambiri kwa zaka zambiri, ndipo mtundu uliwonse watsopano umapereka kusintha kwakukulu kwa bandwidth ndi kusamutsa deta. Pansipa pali kuphwanya kwamitundu yodziwika bwino ya PCIe ndi kusiyana kwawo kwa magwiridwe antchito:
PCIe 1.0: Idatulutsidwa mu 2003, mtundu uwu udaperekedwa 250 MB/s panjira iliyonse, ndikupangitsa kuti ikhale yokwanira pazida zoyambira monga makhadi a netiweki ndi makadi ojambulira am'badwo woyambirira.
PCIe 2.0: Zomwe zidayambitsidwa mu 2007, zidachulukitsa bandwidth mpaka 500 MB/s panjira iliyonse, ndikupereka magwiridwe antchito apamwamba pazida zapakatikati ndi ma GPU amasewera.
PCIe 3.0: Yotulutsidwa mu 2010, PCIe 3.0 inabweretsa kuwonjezereka kwakukulu, kupereka mpaka 984 MB / s pa msewu. Mtunduwu unakhala muyeso wa ntchito zambiri zogwira ntchito kwambiri, monga kumasulira kwa 3D, masewera, ndi makompyuta otengera deta.
PCIe 4.0: Yoyambira mu 2017, PCIe 4.0 idachulukitsa liwiro la omwe adatsogolera, ndikupereka 1969 MB/s panjira. Mtunduwu ndiwopindulitsa kwambiri ma NVMe SSD, ma GPU apamwamba kwambiri, ndi ntchito za AI.
PCIe 5.0: Chokhazikitsidwa mu 2019, mtundu uwu umapereka 3938 MB/s modabwitsa panjira, kuthandizira ntchito zapamwamba zamakompyuta monga kuphunzira pamakina, malo opangira data apamwamba, ndi zida za seva.
| Mtundu wa PCIe | Chaka Chomasulidwa | Bandwidth pa Lane | x16 Bandwidth Slot |
| PCIe 1.0 | 2003 | 250 MB / s | 4.0 Gbps |
| PCIe 2.0 | 2007 | 500 MB / s | 8.0GB/s |
| PCIe 3.0 | 2010 | 984 MB/s | 15.75 GB / s |
| PCIe 4.0 | 2017 | 1969 MB/s | 31.51 GB / s |
| PCIe 5.0 | 2019 | 3938 MB/s | 63.02 GB / s |
B. Tsogolo la PCIe: PCIe 6.0 ndi Beyond
Tsogolo la PCIe likulonjeza, ndipo PCIe 6.0 ikuyembekezeka kukankhira mitengo yotumizira deta mopitilira apo, yomwe imatha kufikira 8 GB/s panjira. Ikukonzekera kumasulidwa posachedwa, PCIe 6.0 ikufuna kuthandizira zomwe zikukulirakulira zamakompyuta ochita bwino kwambiri, luntha lochita kupanga, komanso kugwiritsa ntchito makina ophunzirira. Ndi kupita patsogolo monga kuwongolera zolakwika (FEC) ndi pulsed amplitude modulation (PAM4), PCIe 6.0 ikuyembekezeka kupititsa patsogolo kukhulupirika kwa data ndikusamutsa bwino kwambiri.
Pomwe kufunikira kwa makompyuta ofulumira kukukulirakulira, PCIe ikadali muyeso wotsogola pakukulitsa mipata yama desktops, ma seva, ndi malo opangira data. Mitundu yamtsogolo ya PCIe idzayang'ana kwambiri pakukula kwa bandwidth kuti athandizire matekinoloje amtsogolo monga quantum computing, AI yapamwamba, ndi zenizeni zenizeni.
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