Another Look At Intel's Lynnfield Linux Performance
Sep 23, 2009, 18:36 (0 Talkback[s])
(Other stories by Michael Larabel)
[ Thanks to Michael Larabel for
this link. ]
"As yours truly was out of the office last week, there
are not new Phoronix-provided numbers to share today, but Intel has
submitted their own numbers from the Phoronix Test Suite and
provided feedback on the situation. With that said, Intel believes
that Turbo Boost is functioning correctly with the newer Core i5 /
Core i7 processors on the P55 Chipset and that there were not any
unusual variability issues when it was enabled, but this may be a
BIOS problem. We will be running our own tests using a newer BIOS
for the Intel P55 motherboard shortly. With these Intel-provided
results, they are using a newer, shipping BIOS and not an older
BIOS provided to the press.
"For Intel's Phoronix Test Suite numbers they used an Intel Core
i5 CPU clocked at 2.66GHz with a P55 motherboard, 2GB of DDR3
memory, an 80GB INTEL SSDSA2MH08, and a NVIDIA GeForce 9800GTX
graphics card. This hardware configuration is almost identical to
that of our earlier Lynnfield test system, but with a better
solid-state drive. On the software side, their tests came from an
Ubuntu 9.10 daily snapshot as well using the Linux 2.6.31 kernel,
GNOME 2.27.92, X Server 1.7.3, the NVIDIA 185.18.36 display driver,
GCC 4.4.1, and an EXT4 file-system. With this system, they actually
ran it in three configurations with the Core i5 750 using the Intel
BIOS defaults, the system with Intel BIOS defaults after a reboot
and rerunning the tests (for looking at any scores deviating or
other variability), with the BIOS defaults but with Compiz enabled,
and then they ran the system with no SpeedStep Technology or Turbo
enabled."
Complete Story
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