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 Spread Spectrum Clocking for PCI Express
by Robert V.
Wed, 01/09/2013 - 09:20 3
by iliyapolak
Sun, 05/11/2014 - 12:26
Normal topic Is next-page prefetcher available on Haswell microarchitecture?
by Hui K.
Sun, 03/06/2016 - 09:33 6
by John McCalpin
Sun, 03/20/2016 - 13:44
Normal topic Write Combine Performance and Out of Order
by CHUL K.
Sun, 07/13/2014 - 22:51 7
by CHUL K.
Thu, 07/17/2014 - 11:39
Normal topic Questions on several L2 events in SNB
by yuanpeng
Fri, 08/02/2013 - 19:27 0
by yuanpeng
Fri, 08/02/2013 - 19:27
Normal topic Branch Trace Store
by q1nex
Thu, 06/07/2012 - 18:27 3
by Patrick Fay (Intel)
Wed, 06/20/2012 - 07:44
Normal topic STREAM copy bandwidth
by Paul S.
Tue, 08/09/2016 - 11:22 2
by Paul S.
Thu, 08/11/2016 - 08:58
Normal topic intel xeon hardware cache events not supported
by Jacob K.
Sat, 07/25/2015 - 03:55 1
by John McCalpin
Mon, 07/27/2015 - 13:41
Normal topic Asynchronous DRAM refresh for xeon E5-2600
by Ratnaraj M.
Tue, 07/16/2013 - 03:31 0
by Ratnaraj M.
Tue, 07/16/2013 - 03:31
Normal topic Baytrail SoC Uncore Event Groups
by Simon O.
Tue, 02/10/2015 - 03:00 11
by A T. (Intel)
Thu, 03/19/2015 - 09:37
Normal topic How is the collection of MSR registers
by Black.S
Tue, 12/10/2013 - 09:30 12
by iliyapolak
Sat, 02/08/2014 - 07:14
Normal topic Preventing Shutdown Due to Overheating
by chetreb
Wed, 08/10/2011 - 00:33 9
by iliyapolak
Fri, 05/17/2013 - 23:07
Normal topic PCM: Unsupported processor error
by Joe Mario
Wed, 10/10/2012 - 11:57 6
by Roman Dementiev...
Tue, 12/23/2014 - 00:43
Normal topic Different latency in desktop(i7-4770) and xeon(E5-2698) CPU
by kevin h.
Tue, 01/26/2016 - 19:00 0
by kevin h.
Tue, 01/26/2016 - 19:00
Normal topic Intel PCM - measure time using Performance Counters
by pranith
Fri, 04/06/2012 - 08:32 3
by Patrick Fay (Intel)
Fri, 04/06/2012 - 13:56
Normal topic Setting DEBUGCTL MSR to 1 fails
by Alex L.
Tue, 05/24/2016 - 04:49 0
by Alex L.
Tue, 05/24/2016 - 04:49
Normal topic [PCM] pcm-power.x tool does not report the frequency bins.
by Thomas Willhalm...
Thu, 06/11/2015 - 01:07 0
by Thomas Willhalm...
Thu, 06/11/2015 - 01:07
Normal topic Latency Issues when altering C-state of a Sandy-Bridge Processor
by Neil C.
Wed, 05/22/2013 - 09:32 14
by iliyapolak
Tue, 05/28/2013 - 08:37
Normal topic Theoretical Sp and DP Peak Performances of an Intel Core i7 950 3.06 Ghz LGA 1366
by Fausto A.
Sun, 11/09/2014 - 20:38 10
by iliyapolak
Mon, 01/25/2016 - 01:03
Normal topic I need a document to describe vtune Events for Sandy Bridge
by Allam F.
Fri, 10/11/2013 - 16:27 2
by Allam F.
Sat, 10/12/2013 - 14:24
Normal topic SB/IV behavior of LDs, MOB and putting it together in code
by perfwise
Sat, 08/11/2012 - 07:41 3
by perfwise
Mon, 08/27/2012 - 05:29
Normal topic Skylake cache latencies slower than Haswell?
by T C
Thu, 11/12/2015 - 16:13 1
by John McCalpin
Sat, 11/14/2015 - 09:33
Normal topic Precision lost when compiled with -xAVX or -xHOST
by Sharath K.
Tue, 05/12/2015 - 22:06 3
by John McCalpin
Fri, 05/15/2015 - 11:29
Normal topic Using the performance counters when having multiple threads
by Doru Adrian Thom P.
Wed, 06/11/2014 - 19:39 7
by Doru Adrian Thom P.
Thu, 06/12/2014 - 09:30
Normal topic How to interpret the results of getCyclesLostDueL3CacheMisses and getCyclesLostDueL2CacheMisses
by cagribal
Thu, 02/09/2012 - 09:39 1
by Roman Dementiev...
Thu, 02/09/2012 - 11:16
Normal topic Counting CPU cycles of a process with PMC0 counter
by Anubhav S.
Wed, 04/13/2016 - 05:15 0
by Anubhav S.
Wed, 04/13/2016 - 05:15
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For more complete information about compiler optimizations, see our Optimization Notice.