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 Postsort descending
Normal topic QPI is either 0 or not a number
by pbkenned1
Mon, 12/03/2012 - 06:34 4
by zhanhong z.
Fri, 12/07/2012 - 08:29
Normal topic SandyBrdige AVX instruction test
by GHui
Thu, 11/01/2012 - 20:09 1
by Patrick Fay (Intel)
Sat, 12/08/2012 - 21:18
Normal topic What happens if DAZ bit is set but isn't supported?
by Rich Skorski
Wed, 12/12/2012 - 07:51 2
by Rich Skorski
Fri, 12/14/2012 - 09:30
Hot topic Concerns on using AVX double floating point instructions for integer data
by cagribal
Thu, 12/13/2012 - 05:29 37
by Sergey Kostrov
Sun, 12/16/2012 - 12:04
Normal topic Monitoring Different Uncore Events
by Nash R.
Fri, 12/07/2012 - 09:53 3
by Roman Dementiev...
Wed, 12/19/2012 - 08:12
Normal topic PMUinUse always fails
by John L.
Wed, 12/19/2012 - 08:49 3
by Roman Dementiev...
Thu, 12/20/2012 - 02:17
Normal topic Trying to disable Processor idle states (C states) on Windows PC
by mashdev
Mon, 03/26/2012 - 13:56 7
by iliyapolak
Sat, 12/22/2012 - 00:54
Normal topic How to know the exact cache associative on processor
by zhangyihere
Wed, 08/01/2012 - 05:29 2
by iliyapolak
Sat, 12/22/2012 - 01:06
Normal topic Measuring Memory Bandwidth of Non-NT ( Non-Virtual ) memory
by Sergey Kostrov
Fri, 03/23/2012 - 19:39 3
by iliyapolak
Sat, 12/22/2012 - 05:44
Normal topic Sandybridge processors report incorrect core number?
by Liam McSherry
Sat, 12/29/2012 - 10:42 7
by Liam McSherry
Sat, 12/29/2012 - 14:28
Normal topic Reading CBo RxR_OCCUPANCY event
by iliyapolak
Thu, 12/27/2012 - 04:15 4
by iliyapolak
Mon, 12/31/2012 - 11:53
Normal topic RAPL, DRAM and PCM
by Jee C.
Mon, 11/05/2012 - 13:00 8
by iliyapolak
Mon, 12/31/2012 - 23:15
Normal topic [PCM] Last Level Cache Miss on SNB-Server
by GHui
Fri, 01/04/2013 - 00:48 8
by iliyapolak
Sat, 01/05/2013 - 22:27
Normal topic RAPL:Package Power Estimation and capping
by Masakazu K.
Wed, 01/09/2013 - 02:28 3
by iliyapolak
Fri, 01/18/2013 - 13:44
Normal topic Measuring Memory Bandwidth of a System ( MBS )
by Sergey Kostrov
Thu, 02/16/2012 - 11:30 11
by Sergey Kostrov
Fri, 01/18/2013 - 20:01
Normal topic Understanding hardware performance counter event for STLB flush
by arkaprava.basu
Sun, 01/06/2013 - 11:06 10
by iliyapolak
Mon, 01/21/2013 - 09:18
Normal topic Mixing of Floating-Point Types ( MFPT ) when performing calculations. Does it improve accuracy?
by Sergey Kostrov
Tue, 01/22/2013 - 16:43 11
by Sergey Kostrov
Thu, 01/24/2013 - 05:18
Normal topic Reprogramming Uncore Counters on the fly
by Nash R.
Wed, 01/23/2013 - 13:50 5
by Roman Dementiev...
Sun, 01/27/2013 - 12:30
Normal topic In Windows 7, Access to Intel(r) Performance Counter Monitor has denied
by venkatesan s.
Tue, 01/29/2013 - 03:33 6
by iliyapolak
Thu, 01/31/2013 - 02:31
Normal topic PEBS on Windows
by ja123
Mon, 02/04/2013 - 11:20 3
by iliyapolak
Mon, 02/04/2013 - 21:31
Normal topic Intel Performance Counter Monitor 2.3.5 released
by Thomas Willhalm...
Thu, 01/31/2013 - 13:56 1
by iliyapolak
Sun, 02/10/2013 - 21:47
Normal topic How does the shutdown on overheating work ?
by victor6799
Sat, 09/03/2011 - 22:11 8
by iliyapolak
Sun, 02/10/2013 - 21:51
Normal topic Sandybridge time critical pipeline stage
by gortipavan
Thu, 08/23/2012 - 12:42 1
by iliyapolak
Tue, 02/12/2013 - 00:45
Normal topic what FPU pipe does VBROADCASTSD go down?
by perfwise
Thu, 04/05/2012 - 07:30 4
by iliyapolak
Tue, 02/12/2013 - 07:32
Normal topic Test results for CRT-function 'sqrt' for different Floating Point Models
by Sergey Kostrov
Tue, 02/12/2013 - 17:55 1
by Sergey Kostrov
Tue, 02/12/2013 - 18:04
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Hot topic with new posts
Hot topic without new posts
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For more complete information about compiler optimizations, see our Optimization Notice.