Dɛn Ne Kɔmputa Express Link (CXL)? Wiase nyinaa AI a ɛrenya nkɔso no ama memory chip ho ayɛ na kɛse. Mprempren mfiridwuma akɛse te sɛ Google ne Nvidia reyɛ wɔn sika a wɔde ahyɛ Compute Express Link (CXL) mu no ntɛmntɛm sɛ mfiridwuma titiriw a wɔde bɛka nneɛma foforo a wɔde kae nneɛma foforo. Saa ade foforo yi ma server ahorow tumi boaboa memory ahode ano na wɔkyɛ wɔ data center nyinaa so. CXL a wogye tom no boa ma nneɛma a wɔde ma ho anohyeto ahorow a ɛma memory ho ka kɔ soro no so tew. Ɛgyina hɔ ma nsakrae titiriw a aba wɔ data center nhyehyɛe mu, a ɛkɔ akyiri sen atetesɛm, memory nhyehyɛe a atew ne ho.
Nea enti a CXL Adoption yɛɛ Ntɛmntɛm Bere a Wɔafi Ase Nkakrankakra Akyi CXL nyɛ mfiridwuma foforo; ayɛ nea wɔreyɛ bɛyɛ mfe ason ni. Mfiase no na wogye toom brɛoo, titiriw esiane aguadi kɛse bi nti: ebetumi de latency, anaasɛ akyɛde nketenkete aba data a wɔde kɔ baabi foforo mu. Wɔ AI adwumayɛ mu no, processors gye data foforo fi memory mu bere nyinaa de yɛ akontaabu. Biribiara a ɛbɛkyɛ wɔ saa adeyɛ yi mu no betumi ama AI nhyehyɛe no nyinaa ayɛ brɛoo. Mfe pii no, na adwumayɛ ho asotwe yi boro mfaso a ebetumi afi nnwumakuw pii so no so. Nanso, sikasɛm tebea asesa koraa. Ɛka a ɛkɔ soro ne atetesɛm mu memory chips a wɔde ma kakraa bi no ama wɔasan asusuw ho bio. Mprempren ɛka ne mfaso nhwehwɛmu no pɛ sɛ wɔhwehwɛ mfiridwuma te sɛ CXL mu, ɛmfa ho sɛ ɛwɔ sintɔ ahorow no.
Mfiridwuma ho Mfiridwuma a ɛwɔ CXL mu Wɔ ne titiriw mu no, Compute Express Link yɛ mfiridwuma a ɛfa nkitahodi ho a wɔabue ano. Wɔde asi PCI Express (PCIe) a wɔde di dwuma kɛse wɔ nnɛyi kɔmputa ahorow mu no honam fam ne anyinam ahoɔden ntam nkitahodi so. CXL ma memory coherency kɔ so wɔ CPU memory ne memory a ɛwɔ mfiri a wɔde abata ho no ntam. Wei kyerɛ sɛ processor ahorow pii betumi akyɛ memory resources yiye, ahu data no ho adwene a ɛyɛ biako, a ɛkɔ so daa. Mfiridwuma no nam nhyehyɛe atitiriw abiɛsa so na ɛyɛ adwuma:
I/O Protocol: Ɛde PCIe a ɛyɛ gyinapɛn di dwuma ma ɛne ne ho hyia. Memory Protocol: Ɛma host processor no kwan ma ɔnya memory wɔ CXL mfiri so. Coherency Protocol: Ɛma mfiri ahorow tumi de memory sie, na ɛma biribiara kɔ so yɛ pɛpɛɛpɛ.
Saa nhyehyeɛ yi ma "memory disaggregation" model tumi yɛ adwuma. Sɛ anka wɔbɛkyekyere memory honam fam wɔ server biara so no, wobetumi aboaboa ano wɔ central resource a server pii betumi abɔ mu sɛnea ɛho hia.
Latency Challenge no ho dwuma a wobedi Mfiridwuma mu asɛnnennen titiriw ma CXL ne latency a wɔde aka ho fi data a ɛnam network so kɔ shared memory so. Mfiridwumayɛfo redi eyi ho dwuma wɔ akwan pii so. Wɔreyɛ CXL controllers ne switches foforo sɛnea ɛbɛyɛ a ɛbɛtew akyɛde so. Software optimizations nso ho hia, ɛhwɛ sɛ data "hot" a wɔtaa nya no bɛkɔ so abɛn processor no sɛnea ɛbɛyɛ yiye biara. Wɔ nhwehwɛmu ne ntetee adwuma pii a ɛnyɛ bere ankasa mu no, latency no yɛ aguadi a wogye tom a wɔde nya kwan kɔ memory pools a ɛsõ kɛse so. Eyi te saa titiriw wɔ kasa nhwɛso akɛse ne data ahorow a ɛyɛ den ho.
Nnwumayɛbea a Wɔfa: Google, Nvidia, ne Nea Ɛboro So Nnwumayɛfo atitiriw a wɔwɔ nsenia a ɛbɛma wɔanya mfaso kɛse na wodi nnwuma mu nsakrae no anim. Sɛnea amanneɛbɔ ahorow a efi adwumayɛfo hɔ kyerɛ no, Google afi ase de CXL mfiridwuma redi dwuma wɔ ne data mmeae akɛse no mu. Sɛ adwumakuw bi a ne kɛse te sɛ Google gye gyinapɛn foforo bi tom a, ɛkyerɛ ahotoso na ɛtaa kanyan nnwumakuw kɛse ma wogye tom. Ɛda adi sɛ cloud providers ne nnwuma afoforo bedi akyi na wɔakɔ so asi akan. Nvidia, a ɛyɛ kannifoɔ wɔ AI hardware mu nso yɛ CXL akyigyinafoɔ a ɔyɛ den. Mfiridwuma no boa wɔn GPU ahorow denam scalable memory solutions a ɛde ma ma AI ntetee nnwuma a ɛyɛ den no so. Saa ɔkwan a wɔfa so tu kwan yi yɛ nnwuma mu nkɔso a ɛtrɛw no fã, a ɛte sɛ nea yɛaka ho asɛm wɔ yɛn asɛm a ɛfa Nvidia Sprays the Cash ho no; FCC Chair’s SpaceX Ahobammɔ. Chipmakers akɛseɛ te sɛ Intel, AMD, ne Samsung nso de CXL mmoa reka wɔn processors ne memory products foforɔ no ho, ahwɛ ahu sɛ ecosystem a ɛyɛ den.
Fa Nsɛm a Ɛboro AI so Di Dwuma Bere a AI yɛ ade titiriw a ɛde ba no, CXL dwumadie no trɛw. Ɛyɛ nsakrae ma in-memory databases, a ɛhwehwɛ sɛ wɔde memory pool akɛse a ɛkɔ ntɛmntɛm. Cloud computing nya mfaso kɛse fi memory disaggregation mu. Ɛma wɔn a wɔde ma no tumi de memory nneɛma a ɛyɛ mmerɛw ma, te sɛ nea wɔde kɔmputa ne nneɛma a wɔkora so a wotumi sesa ma, na ɛde nnwuma a etu mpɔn na ɛho ka sua ma. Saa kwan yi a wɔfa so yɛ nneɛma yie no ka nsakraeɛ a wɔhunu wɔ platforms te sɛ Alternative app store AltStore PAL kɔka fediverse no ho. CXL nso ma data ahoɔden a wɔde gyina ano no yɛ kɛse. Ɛdenam memory a wɔde bɛhyɛ mfinimfini so no, wobetumi de mfomso nteɛso a ɛkɔ akyiri ne redundancy abɔ ho ban yiye, adwene a ɛne The Game-Changing Technology Helping hyiaNnwumakuw Siw Data a Ɛyera a Ɛyɛ Ɔsɛe no Siw.
Data Center Memory Daakye CXL asiesie ne ho sɛ ɛbɛyɛ mfiridwuma a ɛyɛ fapem ama awo ntoatoaso a edi hɔ data centers. Bere a gyinapɛn no rekɔ so no, daakye nkyerɛase ahorow hyɛ bɔ sɛ ɛbɛtew latency so bio na ama bandwidth akɔ soro. Yebetumi ahwɛ kwan sɛ yɛne mfiridwuma a ɛreba te sɛ kɔmputa so nneɛma a wɔkora so ne nkitahodi a ɛkɔ anim bɛka abom denneennen. Eyi bɛma wɔanya kɔmputa so mmeae a ɛsono emu biara a ɛyɛ adwuma yiye na tumi wom kɛse mpo. Botae no ne nhyehyɛe a wotumi hyehyɛ no ankasa, baabi a wobetumi de kɔmputa, nkae, ne nneɛma a wɔkora so akyekyɛ wɔ ɔkwan a ɛyɛ nnam so bere a wɔhwehwɛ. Saa daakye-adanse data centers ma AI ne big data ahwehwɛde a ɛkɔ soro bere nyinaa.
Awiei Compute Express Link gyina hɔ ma nkɔso a ɛyɛ adwuma na ɛho hia wɔ data center nhyehyɛe mu. Esiane sɛ nneɛma a wɔde ma no anohyeto ne AI ahwehwɛde na ɛkanyan no nti, CXL de ɔkwan a ɛfata a ɛkɔ memory a wotumi sesa, a etu mpɔn ma. Bere a nsɛnnennen a ɛfa latency ho da so ara wɔ hɔ no, nneɛma foforo a ɛkɔ so redi akwanside ahorow yi so bere nyinaa. Nnwuma akannifo te sɛ Google ne Nvidia gye toom no si tumi a CXL wɔ sɛ ɛbɛsan asiesie sɛnea yɛkyekye na yɛhwɛ kɔmputa so nneɛma so no yɛ nokware. Bere a w’adwuma no hwehwɛ mfiridwuma foforo mu ma nkɔso no, susuw nnwinnade a ɛma wo dijitaal a wobɛba no yɛ mmerɛw no ho. Sɛ wopɛ ɔkwan a ɛnyɛ den a wobɛfa so ahwɛ wo intanɛt so nkitahodi ahorow so a, sɔ Seemless hwɛ sɛ Linktree foforo a wontua hwee.
