This week, HP will start shipping the first server on the processor architecture ARM - this model Proliant m400 on eight-processor X-Gene Applied Micro and models Proliant m800 on quad processors Texas Instruments Keystone II. It is noteworthy that the servers Proliant m400 have been tested in the laboratory practice Sandi National Labs, and the result reported at the conference ARM Tech Con. Running specific scientific software on servers HP Proliant m400 showed that specific ARM-platform company Applied Micro processors, X-Gene scales better than current x86-compatible platform Intel Xeon.
Best scaling on ARM explained balanced memory bandwidth and interface with respect to the computational power. In this regard, Intel processors do not allow you to select all of them incorporated in resource productivity, while on the ARM processors are scaled with less loss of productivity. At the same time, users report that the lack of optimized for the ARM architecture of software tools, including compilers for languages to develop scenarios, strongly - by tens of percent - limits the performance of ARM-platforms. Without a breakthrough in this direction to achieve impressive advantages over x86-based platforms will be difficult, and in fact we have to approach the output of servers on ARM-processor AMD Opteron.
Report from the representative Sandi National valuable because this office can be considered impartial - it client and the position of the laboratory employed in government nuclear projects, obliges it to learn all new items, not to miss something interesting. The company Applied Micro also introduced evidence that its ARM-based processors are much more interesting than even the latest generation of Intel Xeon processors Haswell. Below, we will post a slide, clearly showing the benefits of X-Gene processor as the basis for the WEB-server. Both platforms Applied Micro in terms of queries per second on latency and bandwidth are far ahead of Intel Xeon processors of the last three generations.
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