Intel Releases Cooper Lake Family, Bakes in Bfloat16

guest · Jun 19, 2020

Intel Releases Cooper Lake Family, Bakes in Bfloat16
June 19, 2020
https://www.cbronline.com/news/intel-cooper-lake-bloat16

Intel has released its third-generation “Cooper Lake” family of Xeon processors — which the chip heavyweight claims will make AI inference and training “more widely deployable on general-purpose CPUs”.

While the new CPUs may not break records (the top-of-the-range Platinum 8380H* has 28 cores, for a total of 224 cores in an 8-socket system) they come with some welcome new capabilities for users, and are being welcomed by OEMs keen to refresh their hardware offerings this year.
The company claims the chips will be able to underpin more powerful deep learning, virtual machine (VM) density, in-memory database, mission-critical applications and analytics-intensive workloads.

It has a maximum memory speed of 3200 MHz, a processor base frequency of 2.90 GHz and can support up to 48 PCI Express lanes.
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The Cooper Lake chips feature something called Bfloat16″: a numeric format that uses half the bits of the FP32 format but “achieves comparable model accuracy with minimal software changes required.”
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ArsTechnica: Intel’s 3rd-generation Xeon Scalable CPUs offer 16-bit FPU processing

To be fair, Intel does seem to have introduced some unusually impressive innovations in the AI space. "Deep Learning Boost," which formally was just branding for the AVX-512 instruction set, now encompasses an entirely new 16-bit floating point data type as well.
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