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Linux Now Supports Oracle's SPARC-T4

Hardware

Published on 02 October 2012 06:01 PM EDT
Written by Michael Larabel in Hardware
5 Comments

With the Linux 3.7 kernel there is now support for the SPARC-T4 processor that Oracle introduced last year.

David Miller sent in the SPARC pull request today for the Linux 3.7 merge window. "Largely this is simply adding support for the Niagara 4 cpu. Major areas are perf events (chip now supports 4 counters and can monitor any event on each counter), crypto (opcodes are availble for sha1, sha256, sha512, md5, crc32c, AES, DES, CAMELLIA, and Kasumi although the last is unsupported since we lack a generic crypto layer Kasumi implementation), and an optimized memcpy."

The SPARC-T4 from Oracle offers eight cores per chip with each core providing eight threads to provide a highly multi-threaded experience. This chip also supports out-of-order integer execution, one floating point unit, and a dedicated cryptography unit per core. The 64-thread processor is built on a 40nm process. The T4 was developed under the codename "Yosemite Falls."

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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