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As if the mother of all ironies, prior to its effective death-sentence dealt by the U.S. Department of Commerce, Huawei's server business developed an ambitious product roadmap for its Fusion Server family, aligning with Intel's enterprise processor roadmap. It describes in great detail the key features of these processors, such as core-counts, platform, and I/O. The "Sapphire Rapids" processor will introduce the biggest I/O advancements in close to a decade, when it releases sometime in 2021.
With an unannounced CPU core-count, the "Sapphire Rapids-SP" processor will introduce DDR5 memory support to the data-center, which aims to double bandwidth and memory capacity over the DDR4 generation. The processor features an 8-channel (512-bit wide) DDR5 memory interface. The second major I/O introduction is PCI-Express gen 5.0, which not only doubles bandwidth over gen 4.0 to 32 Gbps per lane, but also comes with a constellation of data-center-relevant features that Intel is pushing out in advance as part of the CXL Interconnect. CXL and PCIe gen 5 are practically identical.
The 2P machine platform for "Sapphire Rapids" is codenamed "Eagle Stream," and will form the bedrock for even the processor's 2022 successor, codenamed "Granite Rapids." This processor could introduce incremental improvements to performance, clock-speeds, and instruction-sets. "Sapphire Rapids" and "Granite Rapids" are timed to coincide with Intel's rollout of the 7 nm and 7 nm+ silicon fabrication nodes, respectively. The roadmap doesn't show 4P/8P implementations of these processors, so it may not be far-fetched to imagine a very high core count leveraging the new manufacturing nodes.
2020 will see Intel execute "Cooper Lake" across both its 2P and 4P/8P platforms, "Whitley" and "Cedar Island," respectively. It introduces CXL Interconnect in addition to PCIe gen 3.0, which overcomes many scalar limitations of PCIe in the data-center environment. CXL is expected to merge into the PCIe gen 5 specification in 2021. Intel will also release its first "Ice Lake-S" 2P-capable processor for the "Whitley" platform, which comes with 8-channel DDR4 and PCI-Express gen 4.0. Ice Lake-S is the only Intel enterprise chip to feature PCIe gen 4.0, highlighting its stopgap nature in the march toward gen 5. AMD's 2nd generation EPYC chips are also expected to feature PCIe gen 4.0.
View at TechPowerUp Main Site
With an unannounced CPU core-count, the "Sapphire Rapids-SP" processor will introduce DDR5 memory support to the data-center, which aims to double bandwidth and memory capacity over the DDR4 generation. The processor features an 8-channel (512-bit wide) DDR5 memory interface. The second major I/O introduction is PCI-Express gen 5.0, which not only doubles bandwidth over gen 4.0 to 32 Gbps per lane, but also comes with a constellation of data-center-relevant features that Intel is pushing out in advance as part of the CXL Interconnect. CXL and PCIe gen 5 are practically identical.
The 2P machine platform for "Sapphire Rapids" is codenamed "Eagle Stream," and will form the bedrock for even the processor's 2022 successor, codenamed "Granite Rapids." This processor could introduce incremental improvements to performance, clock-speeds, and instruction-sets. "Sapphire Rapids" and "Granite Rapids" are timed to coincide with Intel's rollout of the 7 nm and 7 nm+ silicon fabrication nodes, respectively. The roadmap doesn't show 4P/8P implementations of these processors, so it may not be far-fetched to imagine a very high core count leveraging the new manufacturing nodes.
2020 will see Intel execute "Cooper Lake" across both its 2P and 4P/8P platforms, "Whitley" and "Cedar Island," respectively. It introduces CXL Interconnect in addition to PCIe gen 3.0, which overcomes many scalar limitations of PCIe in the data-center environment. CXL is expected to merge into the PCIe gen 5 specification in 2021. Intel will also release its first "Ice Lake-S" 2P-capable processor for the "Whitley" platform, which comes with 8-channel DDR4 and PCI-Express gen 4.0. Ice Lake-S is the only Intel enterprise chip to feature PCIe gen 4.0, highlighting its stopgap nature in the march toward gen 5. AMD's 2nd generation EPYC chips are also expected to feature PCIe gen 4.0.
View at TechPowerUp Main Site
