Tuesday, July 10, 2018
Intel develops Xeon Phi Knight Mill processors with up to 72 cores
Intel develops Xeon Phi Knight Mill processors with up to 72 cores
The news came as a surprise after Intel anounced they are Intel Discontinues Xeon Phi 7200-Series �Knights Landing� Coprocessor Cards. So now we are getting an upgraded version from Knights Landing to Kinghts Mill.
Intel is developing the new Intel Xeon Phi Knights Mill family with up to 72 cores and AVX-512 instructions.
In total there will be three new processors based on Intel Xeon Phi Knights Mill, which have been known thanks to the Intel ARK database. The three new SKUs can have between 64 and 72 cores with a TDP of 320W.
In total there will be three new processors based on Intel Xeon Phi Knights Mill, which have been known thanks to the Intel ARK database. The three new SKUs can have between 64 and 72 cores with a TDP of 320W.
The Xeon Phi Knights Mill processors are a new iteration of the old Knights Landing family , with a change in silicon to house the additional AVX-512 instructions. As far as we can tell, these parts will only be available as socketable hosts and not as PCIe cards.
The successor of Knights Landing (KNL) is Knights Mill (KNM), which was detailed in Hot Chips.
For the most part, the KNL and KNM CPUs would be almost identical in number of cores, frequencies, 36 PCIe 3.0 tracks, 16GB of high bandwidth MCDRAM memory and six DRAM channels, but KNM offers a small design adjustment for allow AVX-512 instructions .
The big difference here is that the Intel Xeon Phi Knights Mill offers only half the performance of double precision that Knights Landing, but doubles the performance in simple precision and up to four times in variable precision.
Intel Xeon Phi (Knights Mill) | |||||||
| Nuclei | Base Clock | Turbo | L2 | TDP | DRAM | Temperatures | |
| 7295 | 72/288 | 1.50 GHz | 1.60 GHz | 36 MB | 320W | DDR4-2400 | 77�C |
| 7285 | 68/272 | 1.30 GHz | 1.40 GHz | 34 MB | 250W | DDR4-2400 | 72�C |
| 7235 | 64/256 | 1.30 GHz | 1.40 GHz | 32 MB | 250W | DDR4-2133 | 72�C |
As we can see, these processors do not require large clock speeds, which is compensated by the immense number of cores and threads that it has.
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