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What a difference a year can make! Last year Fujitsu was focused on its K-Computer. With 88,128 traditional Sparc CPUs–each with eight cores for 705,028 total, K-Computer was declared the world’s fastest supercomputer in the 2011 Top500 Supercomputer list. In 2012, however, the K-Computer lost out to IBM’s Sequoia, which boasted more than twice as many PowerPC cores –1.5 million. Despite its high speed, the K-Computer consumed almost twice as much power per floating-point operation (825 GFlop/kWatt) compared to supercomputers based on the Xeon Phi, which are rated almost three times higher (2499 GFlop/kWatt) by the Green500 List. In addition, the ability to add 60-cores at a time with a single PCIe card drastically cuts the cost of HPCs.
Interesting to see how the Xeon Phi is getting adopted into HPC and the types of configurations that it will enable. Click on the image or title to learn more