Update. I tried encoding that video again, but without the noapic and
nolapic options. Handbrake was encoding the video at between 35 and 40
frames per second. When I rebooted and tried again with the noapic and
noalpic options enabled, Handbrake was encoding the same video with the
same settings at 17 to 20 frames a second. So is this something unique
to Handbrake or is there something else going on?
Derek
First I checked /proc/cpuinfo which had 4790.8 as the value for bogomips
with noapic and nolapic in the grub2 config. I removed these options
and rebooted. This time I got 4791.43. So I'm guessing that if I
lost anything, it's not enough to matter. Am I right?
Thanks
On 08/13/2013 02:56 PM, Carruth, Rusty wrote:
Compare the bogomips of the dual-core boot and the single-core boot.
Â
If the bogomips of the single-core is 2x the bogo of the dual
core, then youâve not lost anything â you are simply letting Linux
control the sharing of the CPU instead of the CPU.
Â
(at least for the stupid hyperthreading stuff, all hyperthreading did
was give you two CPUs running at half the clock speed of the CPUâ¦Â
Helped Windows users since Windows did such a bad job of time slicing
on a single CPUâ¦)
Â
Â
*From:*[email protected]
[mailto:[email protected]] *On Behalf Of *Derek
Trotter
*Sent:* Tuesday, August 13, 2013 2:53 PM
*To:* Main PLUG discussion list
*Subject:* fix lockup issue left with one core
Â
So far this beast has behaved itself for 3 days. Today I handbrake on
a tv show episode I have on dvd. It's a 30 minute show and Handbrake
normally takes about 20 minutes to encode a 30 minute show. This
time I noticed the estimation of how long it would take hovered around
45 minutes. I then opened top and pressed 1 once it started. It
showed only cpu0. Shouldn't cpu1 also be there? I looked around
online and found that using the noapic option in grub only allows one
core of a multi core processor to run. Is there any way to enable
apic and lapic if necessary without it causing my machine to lock up
again?
Thanks
--
"I get my copy of the daily paper, look at the obituaries page, and if IâÂÂm not
there, I carry on as usual."
Â
Patrick Moore
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"I get my copy of the daily paper, look at the obituaries page, and if Iâm not
there, I carry on as usual."
Patrick Moore
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