As the semiconductor industry continues to evolve, Arm stands at the forefront of innovation for its core and IP architecture, especially in the mobile space, by pushing the boundaries of technology to deliver cutting-edge solutions for end users. For 2024, Arm's year-on-year strategic advancements focus on enhancing last year's Armv9.2 architecture with a new twist. Arm has rebranded and re-strategized its efforts by introducing Arm Compute Subsystem (CSS), the direct successor to last year's Total Compute Solutions (TSC2023) platform.
Arm is also transitioning its latest IP and Cortex core designs, including the largest Cortex X925, the middle Cortex A725, and the refreshed and smaller Cortex A520 to the more advanced 3 nm process technology. Arm promises that the 3 nm process node will deliver unprecedented performance gains compared to last year's designs, power efficiency and scalability improvements, and new front and back-end refinements to its Cortex series of cores. Arms' new solutions look to power the next-generation mobile and AI applications as Arm, along with its complete AArch64 64-bit instruction execution and approach to solutions geared towards mobile and notebooks, look set to redefine end users' expectations within the Android and Windows on Arm products.
CPUsIntel Core i9-14900KS Review: The Swan Song of Raptor Lake With A Super Fast 6.2 GHz Turbo For numerous generations of their desktop processor releases, Intel has made available a selection of high-performance special edition "KS" CPUs that add a little extra compared to their flagship chip. With a lot of interest, primarily from the enthusiasts looking for the fastest processors, Intel's latest Core i9-14900KS represents a super-fast addition to its 14th Generation Core lineup with out-of-the-box turbo clock speeds of up to 6.2 GHz and represents the last processor to end an era as Intel is removing the 'i' from its legendary nomenclature for future desktop chip releases. Reaching speeds of up to 6.2 GHz, this sets up the Core i9-14900KS as the fastest desktop CPU in the world right now, at least in terms of frequencies out of the box. Building on their 'regular' flagship chip, the Core i9-14900, the Core i9-14900KS is also using their refreshed Raptor Lake (RPL-R) 8P+16E core chip design with a 200 MHz higher boost clock speed and also has a 100 MHz bump on P-Core base frequency. This new KS series SKU shows Intel's drive to offer an even faster alternative to their desktop regular K series offerings, and with the Core i9-14900KS, they look to provide the best silicon from their Raptor Lake Refresh series with more performance available to unlock to those who can. The caveat is that achieving these ridiculously fast clock speeds of 6.2 GHz on the P-Core comes at the cost of power and heat; keeping a processor pulling upwards of 350 W is a challenge in its own right, and users need to factor this in if even contemplating a KS series SKU. In our previous KS series review, the Core i9-13900KS reached 360 W at its peak, considerably more than the Core i9-13900K. The Core i9-14900KS, built on the same core architecture, is expected to surpass that even further than the Core i9-14900K. We aim to compare Intel's final Core i series processor to the best of what both Intel and AMD have available, and it will be interesting to see how much performance can be extrapolated from the KS compared to the regular K series SKU. CPUs
Arm Unveils 2024 CPU Core Designs, Cortex X925, A725 and A520: Arm v9.2 Redefined For 3nm As the semiconductor industry continues to evolve, Arm stands at the forefront of innovation for its core and IP architecture, especially in the mobile space, by pushing the boundaries of technology to deliver cutting-edge solutions for end users. For 2024, Arm's year-on-year strategic advancements focus on enhancing last year's Armv9.2 architecture with a new twist. Arm has rebranded and re-strategized its efforts by introducing Arm Compute Subsystem (CSS), the direct successor to last year's Total Compute Solutions (TSC2023) platform. Arm is also transitioning its latest IP and Cortex core designs, including the largest Cortex X925, the middle Cortex A725, and the refreshed and smaller Cortex A520 to the more advanced 3 nm process technology. Arm promises that the 3 nm process node will deliver unprecedented performance gains compared to last year's designs, power efficiency and scalability improvements, and new front and back-end refinements to its Cortex series of cores. Arms' new solutions look to power the next-generation mobile and AI applications as Arm, along with its complete AArch64 64-bit instruction execution and approach to solutions geared towards mobile and notebooks, look set to redefine end users' expectations within the Android and Windows on Arm products. CPUs
Later this year Intel is set to introduce its Xeon 6-branded processors, codenamed Granite Rapids (6x00P) and Sierra Forest (6x00E). And with it will come a new slew of server motherboards and pre-built server platforms to go with it. On the latter note, this will be the first generation where Intel won't be offering any pre-builts of its own, after selling that business off to MiTAC last year.
To that end, MiTAC and its subsidiary Tyan were at this year's event to demonstrate what they've been up to since acquiring Intel's server business unit, as well as to show off the server platforms they're developing for the Xeon 6 family. Altogether, the companies had two server platforms on display – a compact 2S system, and a larger 2S system with significant expansion capabilities – as well as a pair of single-socket designs from Tyan.
The most basic platform that MiTAC had to show is their TX86-E7148 (Katmai Pass), a half-width 1U system that's the successor to Intel's D50DNP platform. Katmai Pass has two CPU sockets, supports up to 2 TB of DDR5-6400 RDIMMs over 16 slots (8 per CPU), and has two low-profile PCIe 5.0 x16 slots. Like its predecessor, this platform is aimed at mainstream servers that do not need a lot of storage or room to house bulky add-in cards like AI accelerators.
The company's other platform is TX77A-E7142 (Deer Creek Pass), a considerably more serious offering that replaces Intel's M50FCP platform. This board can house up to 4 TB of DDR5-6400 RDIMMs over 32 slots (16 per CPU with 2DPC), four PCIe 5.0 x16 slots, one PCIe 5.0 x8 slot, two OCP 3.0 slots, and 24 hot-swap U.2 bays. Deer Creek Pass can be used both for general-purpose workloads, high-performance storage, as well as workloads that require GPUs or other special-purpose accelerators.
Meanwhile Tyan had the single-socket Thunder CX GC73A-B5660 on display. That system supports up to 2 TB of DDR5-6400 memory over 16 RDIMMs and offers two PCIe 5.0 x16 slots, one PCIe 4.0 x4 M.2 slot, two OCP 3.0 slots, and 12 hot-swappable U.2 drive bays.
Finally, Tyan's Thunder HX S5662 is an HPC server board specifically designed to house multiple AI accelerators and other large PCIe cards. This board supports one Xeon 6 6700 processor, up to 1 TB of memory over eight DDR5-6400 RDIMMs, and has five tradiitonal PCIe 5.0 x16 slots as well as two PCIe 5.0 x2 M.2 slots for storage.
MiTAC is expected to start shipments of these new Xeon 6 motherboards in the coming months, as Intel rolls out its next-generation datacenter CPUs. Pricing of these platforms is unknown for now, but expect it to be comparable to... Servers
The CXL consortium has had a regular presence at FMS (which rechristened itself from 'Flash Memory Summit' to the 'Future of Memory and Storage' this year). Back at FMS 2022, the company had announced v3.0 of the CXL specifications. This was followed by CXL 3.1's introduction at Supercomputing 2023. Having started off as a host to device interconnect standard, it had slowly subsumed other competing standards such as OpenCAPI and Gen-Z. As a result, the specifications started to encompass a wide variety of use-cases by building a protocol on top of the the ubiquitous PCIe expansion bus. The CXL consortium comprises of heavyweights such as AMD and Intel, as well as a large number of startup companies attempting to play in different segments on the device side. At FMS 2024, CXL had a prime position in the booth demos of many vendors.
The migration of server platforms from DDR4 to DDR5, along with the rise of workloads demanding large RAM capacity (but not particularly sensitive to either memory bandwidth or latency), has opened up memory expansion modules as one of the first set of widely available CXL devices. Over the last couple of years, we have had product announcements from Samsung and Micron in this area.
At FMS 2024, SK hynix was showing off their DDR5-based CMM-DDR5 CXL memory module with a 128 GB capacity. The company was also detailing their associated Heterogeneous Memory Software Development Kit (HMSDK) - a set of libraries and tools at both the kernel and user levels aimed at increasing the ease of use of CXL memory. This is achieved in part by considering the memory pyramid / hierarchy and relocating the data between the server's main memory (DRAM) and the CXL device based on usage frequency.
The CMM-DDR5 CXL memory module comes in the SDFF form-factor (E3.S 2T) with a PCIe 3.0 x8 host interface. The internal memory is based on 1α technology DRAM, and the device promises DDR5-class bandwidth and latency within a single NUMA hop. As these memory modules are meant to be used in datacenters and enterprises, the firmware includes features for RAS (reliability, availability, and serviceability) along with secure boot and other management features.
SK hynix was also demonstrating Niagara 2.0 - a hardware solution (currently based on FPGAs) to enable memory pooling and sharing - i.e, connecting multiple CXL memories to allow different hosts (CPUs and GPUs) to optimally share their capacity. The previous version only allowed capacity sharing, but the latest version enables sharing of data also. SK hynix had presented these solutions at the CXL DevCon 2024 earlier this year, but some progress seems to have been made in finalizing the specifications of the CMM-DDR5 at FMS 2024.
Micron had unveiled the CZ120 CXL Memory Expansion Module last year based on the Microchip SMC 2000 series CXL memory controller. At FMS 2024, Micron and Microchip had a demonstration of the module on a Granite Rapids server.
Additional insights into the SMC 2000 controller were also provided.
The CXL memory controller also incorporates DRAM die failure handling, and Microchip also provides diagnostics and debug tools to analyze failed modules. The memory controller also supports ECC, which forms part of the enterprise... Storage
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