#cxl — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cxl, aggregated by home.social.
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https://www.europesays.com/hu/180545/ Mindhárom nagy memóriagyártó dobja a CXL-vezérlőjét #Business #cxl #DRAM #HU #Hungarian #Hungary #hynix #leállít #Magyar #Magyarország #memória #memóriamodul #micron #MicronTechnology #Samsung #sk #SkHynix #szabvány #szerver #teszt #Vállalkozás #vezérlő
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Samsung, SK Hynix advance new memory layer to tackle AI scaling limits
Samsung Electronics and SK hynix pushed to commercialize a new class of memory as artificial intelligence outgrew high-bandwidth…
#EuropeSays #Korea #KR #SKHynix #AImemory #ComputeExpressLink #CXL #DRAM #high-bandwidthmemory #memorycapacity #memorymanagementtools #Samsung #SamsungElectronics #SK #SKhynix
https://www.europesays.com/korea/92218/ -
Samsung, SK Hynix Race to Mass-Produce CXL 3.2 Memory This Year, Ushering in the ‘Next Memory’ Era — BigGo Finance
Samsung Electronics (005930) and SK Hynix (000660) are transitioning to mass production this year to seize the initiative…
#EuropeSays #Korea #KR #SKHynix #AImemory #CMM-D3.0 #CXL #CXL3.2 #GoldmanSachs #HBM #Micron #NVIDIA #SamsungElectronics #SK #SKhynix
https://www.europesays.com/korea/91164/ -
RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling -
RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling -
RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors
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RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors
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SK hynix's parent group says it may offer "Memory as a Service" — RAM capacity sold like a cloud subscription rather than a chip in a box. The idea is early, but the hardware underneath it is not.
This explainer walks through the full stack: why memory gets stranded inside servers, how CXL adds the cache coherency that PCIe never had, what memory appliances and CXL 3.0 switches actually do, and why tiering keeps local DRAM first. It also draws a line many articles blur — memory expansion (which Meta already runs across millions of servers, reusing retired DDR4) versus rack-level pooling, which is only now reaching real silicon.
The business angle matters too: subscriptions would smooth the boom-and-bust cycle memory makers have never escaped. And for everyone else, the takeaway is simpler — memory is becoming an asset with value independent of the server it shipped in.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling #DDR4 #ServerHardware #Semiconductors #AIHardware #ITAD #technology -
SK hynix's parent group says it may offer "Memory as a Service" — RAM capacity sold like a cloud subscription rather than a chip in a box. The idea is early, but the hardware underneath it is not.
This explainer walks through the full stack: why memory gets stranded inside servers, how CXL adds the cache coherency that PCIe never had, what memory appliances and CXL 3.0 switches actually do, and why tiering keeps local DRAM first. It also draws a line many articles blur — memory expansion (which Meta already runs across millions of servers, reusing retired DDR4) versus rack-level pooling, which is only now reaching real silicon.
The business angle matters too: subscriptions would smooth the boom-and-bust cycle memory makers have never escaped. And for everyone else, the takeaway is simpler — memory is becoming an asset with value independent of the server it shipped in.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling #DDR4 #ServerHardware #Semiconductors #AIHardware #ITAD #technology -
SK hynix's parent group says it may offer "Memory as a Service" — RAM capacity sold like a cloud subscription rather than a chip in a box. The idea is early, but the hardware underneath it is not.
This explainer walks through the full stack: why memory gets stranded inside servers, how CXL adds the cache coherency that PCIe never had, what memory appliances and CXL 3.0 switches actually do, and why tiering keeps local DRAM first. It also draws a line many articles blur — memory expansion (which Meta already runs across millions of servers, reusing retired DDR4) versus rack-level pooling, which is only now reaching real silicon.
The business angle matters too: subscriptions would smooth the boom-and-bust cycle memory makers have never escaped. And for everyone else, the takeaway is simpler — memory is becoming an asset with value independent of the server it shipped in.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling #DDR4 #ServerHardware #Semiconductors #AIHardware #ITAD #technology -
SK hynix's parent group says it may offer "Memory as a Service" — RAM capacity sold like a cloud subscription rather than a chip in a box. The idea is early, but the hardware underneath it is not.
This explainer walks through the full stack: why memory gets stranded inside servers, how CXL adds the cache coherency that PCIe never had, what memory appliances and CXL 3.0 switches actually do, and why tiering keeps local DRAM first. It also draws a line many articles blur — memory expansion (which Meta already runs across millions of servers, reusing retired DDR4) versus rack-level pooling, which is only now reaching real silicon.
The business angle matters too: subscriptions would smooth the boom-and-bust cycle memory makers have never escaped. And for everyone else, the takeaway is simpler — memory is becoming an asset with value independent of the server it shipped in.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling #DDR4 #ServerHardware #Semiconductors #AIHardware #ITAD #technology -
SK hynix's parent group says it may offer "Memory as a Service" — RAM capacity sold like a cloud subscription rather than a chip in a box. The idea is early, but the hardware underneath it is not.
This explainer walks through the full stack: why memory gets stranded inside servers, how CXL adds the cache coherency that PCIe never had, what memory appliances and CXL 3.0 switches actually do, and why tiering keeps local DRAM first. It also draws a line many articles blur — memory expansion (which Meta already runs across millions of servers, reusing retired DDR4) versus rack-level pooling, which is only now reaching real silicon.
The business angle matters too: subscriptions would smooth the boom-and-bust cycle memory makers have never escaped. And for everyone else, the takeaway is simpler — memory is becoming an asset with value independent of the server it shipped in.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DRAM #DataCenter #AIInfrastructure #SKhynix #MemoryPooling #DDR4 #ServerHardware #Semiconductors #AIHardware #ITAD #technology -
RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors #tech
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RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors #tech
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RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors #tech
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RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors #tech
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RAM has always been trapped inside the server it shipped in — one machine's shortage next to another's idle gigabytes. SK hynix now says memory could be sold as a subscription instead. This explainer covers the technology that would carry it: CXL, memory appliances, rack-level switches, and tiering — plus Meta's production proof that pooled thinking already pays, right down to reused DDR4.
https://www.buysellram.com/blog/memory-as-a-service-cxl/
#MemoryAsAService #CXL #DataCenter #AIInfrastructure #DRAM #Semiconductors #tech
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https://www.europesays.com/ch/98539/ UBS Calls $340 Target, Sees Marvell’s 3nm AI Chip and CXL Tech Unlocking a $10 Billion Market — BigGo Finance #Broadcom #CXL #Google #MarvellTechnology #TeralynxT100 #TimothyArcuri #TSMC #UBS
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Dentro la gerarchia della memoria delle GPU: come i server AI spostano i dati dagli SSD alla HBM
Ti sei mai chiesto come i modelli di intelligenza artificiale trasferiscono i dati alla GPU? Questo articolo spiega in modo semplice i diversi livelli di memoria all'interno di un server AI, perché la memoria della GPU è diventata un collo di bottiglia e quali nuove tecnologie potrebbero migliorare le prestazioni dell'intelligenza artificiale.
buysellram.com/blog/inside-the…
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD
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Dentro la gerarchia della memoria delle GPU: come i server AI spostano i dati dagli SSD alla HBM
Ti sei mai chiesto come i modelli di intelligenza artificiale trasferiscono i dati alla GPU? Questo articolo spiega in modo semplice i diversi livelli di memoria all'interno di un server AI, perché la memoria della GPU è diventata un collo di bottiglia e quali nuove tecnologie potrebbero migliorare le prestazioni dell'intelligenza artificiale.
buysellram.com/blog/inside-the…
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD
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Dentro la gerarchia della memoria delle GPU: come i server AI spostano i dati dagli SSD alla HBM
Ti sei mai chiesto come i modelli di intelligenza artificiale trasferiscono i dati alla GPU? Questo articolo spiega in modo semplice i diversi livelli di memoria all'interno di un server AI, perché la memoria della GPU è diventata un collo di bottiglia e quali nuove tecnologie potrebbero migliorare le prestazioni dell'intelligenza artificiale.
buysellram.com/blog/inside-the…
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD
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Dentro la gerarchia della memoria delle GPU: come i server AI spostano i dati dagli SSD alla HBM
Ti sei mai chiesto come i modelli di intelligenza artificiale trasferiscono i dati alla GPU? Questo articolo spiega in modo semplice i diversi livelli di memoria all'interno di un server AI, perché la memoria della GPU è diventata un collo di bottiglia e quali nuove tecnologie potrebbero migliorare le prestazioni dell'intelligenza artificiale.
buysellram.com/blog/inside-the…
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD
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Dentro la gerarchia della memoria delle GPU: come i server AI spostano i dati dagli SSD alla HBM
Ti sei mai chiesto come i modelli di intelligenza artificiale trasferiscono i dati alla GPU? Questo articolo spiega in modo semplice i diversi livelli di memoria all'interno di un server AI, perché la memoria della GPU è diventata un collo di bottiglia e quali nuove tecnologie potrebbero migliorare le prestazioni dell'intelligenza artificiale.
buysellram.com/blog/inside-the…
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #buysellram
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #buysellram
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Why can't a GPU just carry more HBM? Interposers max out in size, stacking 12 to 16 DRAM dies compounds yield losses, and every stack sits beside a kilowatt-class package that hates sharing heat. So capacity climbs in careful steps — 80 GB on the H100, 141 on the H200, 192 on the B200, 288 on Blackwell Ultra — while KV caches for long-context inference balloon past 40 GB per request.
That gap between what models demand and what packaging permits is reshaping server design. NVIDIA's Rubin platform treats CPU memory and HBM as one coherent pool. SanDisk and SK hynix are standardizing High Bandwidth Flash as a capacity tier under HBM, with first samples due this half. CXL 4.0 pooling hardware is landing in racks now.
This article walks the whole memory hierarchy, from on-chip SRAM to NVMe, and explains what each emerging technology actually solves — and what it doesn't.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #technology
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Why can't a GPU just carry more HBM? Interposers max out in size, stacking 12 to 16 DRAM dies compounds yield losses, and every stack sits beside a kilowatt-class package that hates sharing heat. So capacity climbs in careful steps — 80 GB on the H100, 141 on the H200, 192 on the B200, 288 on Blackwell Ultra — while KV caches for long-context inference balloon past 40 GB per request.
That gap between what models demand and what packaging permits is reshaping server design. NVIDIA's Rubin platform treats CPU memory and HBM as one coherent pool. SanDisk and SK hynix are standardizing High Bandwidth Flash as a capacity tier under HBM, with first samples due this half. CXL 4.0 pooling hardware is landing in racks now.
This article walks the whole memory hierarchy, from on-chip SRAM to NVMe, and explains what each emerging technology actually solves — and what it doesn't.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #technology
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Why can't a GPU just carry more HBM? Interposers max out in size, stacking 12 to 16 DRAM dies compounds yield losses, and every stack sits beside a kilowatt-class package that hates sharing heat. So capacity climbs in careful steps — 80 GB on the H100, 141 on the H200, 192 on the B200, 288 on Blackwell Ultra — while KV caches for long-context inference balloon past 40 GB per request.
That gap between what models demand and what packaging permits is reshaping server design. NVIDIA's Rubin platform treats CPU memory and HBM as one coherent pool. SanDisk and SK hynix are standardizing High Bandwidth Flash as a capacity tier under HBM, with first samples due this half. CXL 4.0 pooling hardware is landing in racks now.
This article walks the whole memory hierarchy, from on-chip SRAM to NVMe, and explains what each emerging technology actually solves — and what it doesn't.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #technology
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Why can't a GPU just carry more HBM? Interposers max out in size, stacking 12 to 16 DRAM dies compounds yield losses, and every stack sits beside a kilowatt-class package that hates sharing heat. So capacity climbs in careful steps — 80 GB on the H100, 141 on the H200, 192 on the B200, 288 on Blackwell Ultra — while KV caches for long-context inference balloon past 40 GB per request.
That gap between what models demand and what packaging permits is reshaping server design. NVIDIA's Rubin platform treats CPU memory and HBM as one coherent pool. SanDisk and SK hynix are standardizing High Bandwidth Flash as a capacity tier under HBM, with first samples due this half. CXL 4.0 pooling hardware is landing in racks now.
This article walks the whole memory hierarchy, from on-chip SRAM to NVMe, and explains what each emerging technology actually solves — and what it doesn't.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #technology
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Why can't a GPU just carry more HBM? Interposers max out in size, stacking 12 to 16 DRAM dies compounds yield losses, and every stack sits beside a kilowatt-class package that hates sharing heat. So capacity climbs in careful steps — 80 GB on the H100, 141 on the H200, 192 on the B200, 288 on Blackwell Ultra — while KV caches for long-context inference balloon past 40 GB per request.
That gap between what models demand and what packaging permits is reshaping server design. NVIDIA's Rubin platform treats CPU memory and HBM as one coherent pool. SanDisk and SK hynix are standardizing High Bandwidth Flash as a capacity tier under HBM, with first samples due this half. CXL 4.0 pooling hardware is landing in racks now.
This article walks the whole memory hierarchy, from on-chip SRAM to NVMe, and explains what each emerging technology actually solves — and what it doesn't.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #ITAD #technology
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #tech
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #tech
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #tech
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #tech
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A modern AI server runs five layers of memory, from nanosecond on-chip SRAM to petabyte-scale SSDs, and keeping the GPU fed is the whole engineering game. This piece walks the full hierarchy: why HBM became the bottleneck, why adding more isn't simple, and where HBF, CXL, and PIM fit into the next generation.
#HBM #HBM4 #GPUMemory #AIInfrastructure #DataCenter #CXL #HighBandwidthFlash #AIHardware #MemoryHierarchy #AIInference #NVMe #tech
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Ex-SK Hynix Executive’s CXL Startup Exina Raises ₩200 Billion in Series B Funding — BigGo Finance
Exina, a semiconductor fabless startup founded by the youngest-ever technical executive from SK Hynix, has successfully raised ₩200…
#EuropeSays #Korea #KR #SKHynix #AtinumInvestment #CXL #Exina #KimJin-young #KoreaDevelopmentBank #LBInvestment #MiraeAssetCapital #MX1 #SamsungElectronics #SK #SKhynix
https://www.europesays.com/korea/74039/ -
https://www.europesays.com/ie/552656/ Interfaces Make Memories Useful, SNIA MRAM SIG And Everspin #chiplets #CXL #DRAM #Éire #Everspin #IE #Ireland #MagnetoresistiveRandomAccessMemory #MRAM #SIG #SNIA #SRAM #SteffenHellmold #Technology
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Иллюзия памяти: как индустрия десятилетиями маскировала ограничения железа
Сейчас память можно увеличить ползунком, Redis поднять одной командой, а состояние сервера оценить по строке в панели управления. Но за этим удобством стоит история компромиссов — сначала инженерам пришлось научить компьютеры работать так, будто памяти больше, чем есть на самом деле, потом диски собрали в массивы, горячие данные перенесли в Redis, а всю эту сложность спрятали за хостингом и managed-сервисами. Индустрия десятилетиями строила убедительные иллюзии поверх ограниченной физической реальности, но почему-то памяти до сих пор недостаточно. Как? Разобрал в статье. Читать
https://habr.com/ru/companies/ruvds/articles/1033394/
#память #виртуальная_память #RAID #Redis #latency #distributed_systems #HBM #CXL #кэширование #ruvds_статьи
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Иллюзия памяти: как индустрия десятилетиями маскировала ограничения железа
Сейчас память можно увеличить ползунком, Redis поднять одной командой, а состояние сервера оценить по строке в панели управления. Но за этим удобством стоит история компромиссов — сначала инженерам пришлось научить компьютеры работать так, будто памяти больше, чем есть на самом деле, потом диски собрали в массивы, горячие данные перенесли в Redis, а всю эту сложность спрятали за хостингом и managed-сервисами. Индустрия десятилетиями строила убедительные иллюзии поверх ограниченной физической реальности, но почему-то памяти до сих пор недостаточно. Как? Разобрал в статье. Читать
https://habr.com/ru/companies/ruvds/articles/1033394/
#память #виртуальная_память #RAID #Redis #latency #distributed_systems #HBM #CXL #кэширование #ruvds_статьи
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Иллюзия памяти: как индустрия десятилетиями маскировала ограничения железа
Сейчас память можно увеличить ползунком, Redis поднять одной командой, а состояние сервера оценить по строке в панели управления. Но за этим удобством стоит история компромиссов — сначала инженерам пришлось научить компьютеры работать так, будто памяти больше, чем есть на самом деле, потом диски собрали в массивы, горячие данные перенесли в Redis, а всю эту сложность спрятали за хостингом и managed-сервисами. Индустрия десятилетиями строила убедительные иллюзии поверх ограниченной физической реальности, но почему-то памяти до сих пор недостаточно. Как? Разобрал в статье. Читать
https://habr.com/ru/companies/ruvds/articles/1033394/
#память #виртуальная_память #RAID #Redis #latency #distributed_systems #HBM #CXL #кэширование #ruvds_статьи
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CXL ermöglicht geteilte Arbeitsspeicher-Pools in Rechenzentren. Mehrere Server greifen gleichzeitig auf dieselben Daten im RAM zu. Das soll DRAM-Knappheit lindern. #CXL #Datacenter https://winfuture.de/news,158619.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
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CXL ermöglicht geteilte Arbeitsspeicher-Pools in Rechenzentren. Mehrere Server greifen gleichzeitig auf dieselben Daten im RAM zu. Das soll DRAM-Knappheit lindern. #CXL #Datacenter https://winfuture.de/news,158619.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
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CXL ermöglicht geteilte Arbeitsspeicher-Pools in Rechenzentren. Mehrere Server greifen gleichzeitig auf dieselben Daten im RAM zu. Das soll DRAM-Knappheit lindern. #CXL #Datacenter https://winfuture.de/news,158619.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
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CXL ermöglicht geteilte Arbeitsspeicher-Pools in Rechenzentren. Mehrere Server greifen gleichzeitig auf dieselben Daten im RAM zu. Das soll DRAM-Knappheit lindern. #CXL #Datacenter https://winfuture.de/news,158619.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
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CXL ermöglicht geteilte Arbeitsspeicher-Pools in Rechenzentren. Mehrere Server greifen gleichzeitig auf dieselben Daten im RAM zu. Das soll DRAM-Knappheit lindern. #CXL #Datacenter https://winfuture.de/news,158619.html?utm_source=Mastodon&utm_medium=ManualStatus&utm_campaign=SocialMedia
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PCIe умер, да здравствует CXL [часть 2]: сервер на 5+ лет с DDR4
Привет постоянным и не очень читателям :) Сегодня я буду говорить про подбор серверов, но хочу отойти от скучных, быстро устаревающих и зачастую не применимых на практике рекомендаций — мол, памяти, дорогие админы, надо столько-то, а вот поколение процессора и количество ядер обязательно такие-то, иначе система деградирует после дождичка в четверг. Ремарка! Я не против конкретных цифр и конфигураций — я против попытки выдать их за универсальный рецепт. Так что этот подход оставим для SEO-статей. В этом же лонгриде я затрону ошибки мышления при подборе серверов на 5+ лет и сдвиги, которые произошли за последние годы (и особенно хочу поговорить про огромное влияние CXL). Я плотно работаю в этой индустрии больше 6 лет и прошел подобный цикл на практике, да и админы-старожилы рассказали много интересного о том, что было раньше. Присаживаемся, ложимся или в какой там позе вы читаете — и начинаем. Мощный сервер — выбор слабых админов Дропдаун
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PCIe умер, да здравствует CXL [часть 2]: сервер на 5+ лет с DDR4
Привет постоянным и не очень читателям :) Сегодня я буду говорить про подбор серверов, но хочу отойти от скучных, быстро устаревающих и зачастую не применимых на практике рекомендаций — мол, памяти, дорогие админы, надо столько-то, а вот поколение процессора и количество ядер обязательно такие-то, иначе система деградирует после дождичка в четверг. Ремарка! Я не против конкретных цифр и конфигураций — я против попытки выдать их за универсальный рецепт. Так что этот подход оставим для SEO-статей. В этом же лонгриде я затрону ошибки мышления при подборе серверов на 5+ лет и сдвиги, которые произошли за последние годы (и особенно хочу поговорить про огромное влияние CXL). Я плотно работаю в этой индустрии больше 6 лет и прошел подобный цикл на практике, да и админы-старожилы рассказали много интересного о том, что было раньше. Присаживаемся, ложимся или в какой там позе вы читаете — и начинаем. Мощный сервер — выбор слабых админов Дропдаун
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PCIe умер, да здравствует CXL [часть 2]: сервер на 5+ лет с DDR4
Привет постоянным и не очень читателям :) Сегодня я буду говорить про подбор серверов, но хочу отойти от скучных, быстро устаревающих и зачастую не применимых на практике рекомендаций — мол, памяти, дорогие админы, надо столько-то, а вот поколение процессора и количество ядер обязательно такие-то, иначе система деградирует после дождичка в четверг. Ремарка! Я не против конкретных цифр и конфигураций — я против попытки выдать их за универсальный рецепт. Так что этот подход оставим для SEO-статей. В этом же лонгриде я затрону ошибки мышления при подборе серверов на 5+ лет и сдвиги, которые произошли за последние годы (и особенно хочу поговорить про огромное влияние CXL). Я плотно работаю в этой индустрии больше 6 лет и прошел подобный цикл на практике, да и админы-старожилы рассказали много интересного о том, что было раньше. Присаживаемся, ложимся или в какой там позе вы читаете — и начинаем. Мощный сервер — выбор слабых админов Дропдаун
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Наконец, CXL.mem — он позволяет процессору хоста обращаться к памяти устройства как к своей собственной. Устройство выступает в роли агента памяти (Memory Device), и CPU использует обычные инструкции работы с памятью, как если бы это была его собственная DDR. Стандарт CXL изначально разрабатывался с учетом работы как с энергозависимой, так и с энергонезависимой памятью (Persistent Memory). В PCIe доступ к памяти устройства требует отдельного драйвера и происходит через барьеры и прерывания, что создает задержки и накладные расходы. CXL.mem интегрирует эту память в единое когерентное адресное пространство системы.
Совместно эти протоколы реализуют кэш-когерентный обмен данными между процессорами, устройствами и ускорителями. В результате система может динамически увеличивать объём оперативной памяти и ускорять обмен данными, не перегружая сетевые интерфейсы.
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Наконец, CXL.mem — он позволяет процессору хоста обращаться к памяти устройства как к своей собственной. Устройство выступает в роли агента памяти (Memory Device), и CPU использует обычные инструкции работы с памятью, как если бы это была его собственная DDR. Стандарт CXL изначально разрабатывался с учетом работы как с энергозависимой, так и с энергонезависимой памятью (Persistent Memory). В PCIe доступ к памяти устройства требует отдельного драйвера и происходит через барьеры и прерывания, что создает задержки и накладные расходы. CXL.mem интегрирует эту память в единое когерентное адресное пространство системы.
Совместно эти протоколы реализуют кэш-когерентный обмен данными между процессорами, устройствами и ускорителями. В результате система может динамически увеличивать объём оперативной памяти и ускорять обмен данными, не перегружая сетевые интерфейсы.