On Mon, 4 Oct 2010 21:31:50 +0200 Dan Horák wrote: > Linux distributions (on all architectures) are usually built with the > instruction set to the lowest model they support,
Which is why I find it pays to be selective in which distro to choose. > For RHEL >= 6 and Fedora >= 14 on system Z it's set to z9 or better. > Other question is whether the new instructions are supported by the > compiler/assembler toolset so user built applications can benefit from > them. The latest webcast was a performance comparison of z10 and z196. There was a suggestion that gcc fixes would be pushed upstream for -march. Also the IBM JVM would be updated to benefit. That might be more important for most people. Shane ... ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
