Intel® Developer Zone:
Software Tuning, Performance Optimization & Platform Monitoring

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Discussion around topics such as monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, software characterization, software optimization techniques for performance and power/energy, monitoring CPU core and graphics processors and other system coprocessors as well asimmerging runtime usages for software metering and quality of service.
Intel monitors this forum Monday – Friday, 09:00 – 17:00 Pacific Time (GMT –7:00). Depending on the amount of research we need to do to track down the answer, it may take a day or two for us to respond.
Topic / Topic starter Post date Replies Last Post
Normal topic What is the C0-C7 core meaning?
by li y.
Mon, 10/17/2016 - 02:48 1
by McCalpin, John
Mon, 10/17/2016 - 08:40
Normal topic Intel PCM: Obtaining the Same BasicCounterType each time
by amr.eladawy
Mon, 12/05/2011 - 00:03 9
by amr.eladawy
Wed, 04/11/2012 - 08:38
Normal topic Why I can not get the Cbox0 PMU in this way?(with code in it)
by Duan Z.
Thu, 02/23/2017 - 00:47 7
by Thomas R.
Mon, 02/27/2017 - 05:17
Normal topic unaligned data access for -xHost option on Intel-AVX platform
by felixdietzsch
Fri, 06/13/2014 - 05:41 1
by Tim P.
Fri, 06/13/2014 - 06:10
Normal topic Formatting Raw Events for Perf...
by Shouvik B.
Sat, 10/13/2012 - 14:50 0
by Shouvik B.
Sat, 10/13/2012 - 14:50
Normal topic MSR access denied with pcm-memory.x
by Patrick A.
Wed, 11/18/2015 - 08:16 3
by Roman Dementiev...
Thu, 11/19/2015 - 02:19
Normal topic ";" is missing in CSV output of pcm.x
by Hidekatsu Imura
Thu, 02/12/2015 - 02:44 2
by Otto Bruggeman ...
Thu, 02/12/2015 - 04:35
Normal topic Is a "Y2K38 disaster" looming? Issues with a 'time_t' type
by Sergey Kostrov
Sat, 06/09/2012 - 15:51 1
by Steve Lionel (Intel)
Sat, 06/09/2012 - 16:32
Normal topic Performance counter is not accurate enough in Core2 CPUs
by le g.
Fri, 08/30/2013 - 23:25 6
by iliyapolak
Fri, 09/20/2013 - 06:34
Normal topic Sandy Bridge RAPL configuration
by Nobin M.
Thu, 05/23/2013 - 06:18 5
by iliyapolak
Thu, 05/23/2013 - 22:58
Normal topic Performance Counters of Memory Write Traffic
by Jeremy W.
Sun, 08/28/2016 - 04:40 1
by McCalpin, John
Mon, 08/29/2016 - 11:32
Normal topic Is underclock harmful to the microprocessor?
by alfa_one
Thu, 08/18/2011 - 13:49 2
by alfa_one
Wed, 08/24/2011 - 12:20
Normal topic Is there an interaction between P-states and C1 state?
by McCalpin, John
Wed, 03/19/2014 - 10:31 1
by McCalpin, John
Tue, 07/15/2014 - 14:14
Normal topic Intel PCM - Computer freezes/hangs when I use winring0.dll/winring0.sys
by Debolay Tayatiyika
Thu, 08/16/2012 - 02:33 3
by Roman Dementiev...
Thu, 08/16/2012 - 03:11
Normal topic (Potential) PCM v2.9 CSV output bug
by Ameen A.
Fri, 09/18/2015 - 18:03 0
by Ameen A.
Fri, 09/18/2015 - 18:03
Normal topic Arbitrary uncore event collection
by Alexander Alexeev
Mon, 11/10/2014 - 11:22 2
by Roman Dementiev...
Tue, 12/23/2014 - 06:42
Normal topic Disabling turbo boost for only some cores on a socket
by Travis D.
Tue, 01/31/2017 - 14:00 4
by Travis D.
Fri, 02/03/2017 - 12:17
Normal topic Westmere EX clock half speed
by Curtis Walker
Wed, 04/11/2012 - 11:34 1
by Roman Dementiev...
Wed, 04/11/2012 - 11:34
Normal topic Question about pmc event docs for Haswell
by Rolf Andersson
Fri, 08/02/2013 - 22:00 2
by Rolf Andersson
Sun, 08/04/2013 - 09:42
Normal topic RAPL for energy measurement
by Yunqi Z.
Wed, 04/03/2013 - 13:52 9
by Anmol Panda
Thu, 12/08/2016 - 01:41
Normal topic PCM for QPI link utilization undestanding
by Piotr T.
Thu, 03/17/2016 - 02:38 3
by McCalpin, John
Fri, 03/18/2016 - 04:12
Normal topic What port(s) are reffered to by the "Cycles of Port X Utilized"
by Curtis H.
Fri, 05/22/2015 - 06:15 1
by McCalpin, John
Mon, 05/25/2015 - 09:32
Normal topic Want to count L2 data cache misses without prefetching
by Wei W.
Thu, 06/02/2016 - 13:19 3
by Wei W.
Mon, 07/25/2016 - 11:05
Normal topic Intel(R) Memory Latency Checker released
by Thomas Willhalm...
Fri, 12/13/2013 - 00:49 2
by Thomas Willhalm...
Fri, 12/13/2013 - 20:03
Normal topic PCM can not work with suse11 sp1
by Wang Ruifeng
Wed, 08/14/2013 - 01:17 9
by Tongliang L.
Tue, 08/20/2013 - 20:05
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For more complete information about compiler optimizations, see our Optimization Notice.