Linked by David Adams on Fri 12th Aug 2011 03:55 UTC, submitted by Debjit
Red Hat The Fedora developers have decided that Fedora 16 will not use Btrfs by default. The announcement was made by Josef Bacik, Senior Software Engineer at Red Hat. Instead the switch to Btrfs filesystem has now been postponed to Fedora 17.
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RE[2]: Comment by Luminair
by NorthWay on Sun 14th Aug 2011 14:40 UTC in reply to "RE: Comment by Luminair"
NorthWay
Member since:
2007-02-22

There is a reason IBM Mainframes have slow cpus: they double check calculations I heard.

Yes. And no (AFAIK).
They do run the same instruction on two different units and compare.
That has implications on how much exotics you can do to out-of-order and suchlike, plus the instruction set is old and archaic. Which results in less opportunities to become speed demons. They take a lot back in having an IO interface definition that can be co-processor accelerated.

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