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224 GByte cache memory expansion for the cray

224 GByte cache memory expansion for the cray

For the Cray supercomputers SV1e and SV1ex there is now a 224 GByte cache memory extension based on a solid state disk (SSD) without a mechanic. With a memory bandwidth of an incredible 80 GByte per second, this memory is 800 times faster than hard drive servers can deliver nowadays with their 100 MByte/s.

As an example of the performance of the SSD, Cray cites that 27 copies of the Store human genomes on an SSD; the high data throughput even allows processing of 100 human genomes per second. With their existing 32 GB of main memory, the Cray supercomputers then have a quarter of a terabyte of memory. According to Jef Dawson, Cray Manager for Bioinformatics Development and Marketing, the SSD is the largest cache memory in the world or the world's largest I/O buffer. However, Cray did not want to give an indication of the price of the solid state disk with its enormous storage volume. The price is probably just as huge .....

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