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 ascending
Normal topic CPU supports clwb and clflushopt
by kai w.
Mon, 02/13/2017 - 00:45 3
by Thomas Willhalm...
Fri, 03/24/2017 - 06:17
Normal topic Getting a constant frequency on a core
by NC s.
Wed, 03/22/2017 - 07:34 1
by McCalpin, John
Wed, 03/22/2017 - 08:20
Normal topic Intel PCM v2.9 - getting a list of supporting events
by James M.
Thu, 01/21/2016 - 10:53 6
by Patrick Lu (Intel)
Tue, 03/21/2017 - 15:04
Normal topic How to use MTRR on machines with Skylake processors?
by Xinran Wang
Thu, 03/16/2017 - 18:42 1
by McCalpin, John
Mon, 03/20/2017 - 08:14
Normal topic how to use rdmsr from my C program?
by anthony b.
Wed, 05/11/2016 - 03:41 3
by Thomas R.
Fri, 03/17/2017 - 04:06
Normal topic How to debug ProcHot?
by Adrian C.
Fri, 03/10/2017 - 21:55 4
by Roman Dementiev...
Fri, 03/17/2017 - 02:42
Hot topic Haswell L2 cache bandwidth to L1 (64 bytes/cycle)?
by Stephen
Fri, 10/03/2014 - 11:29 18
by Steve G.
Mon, 03/13/2017 - 10:25
Normal topic Measuring FLOPS on intel i7 Skylake CPU using PCM
by Huda I.
Wed, 03/08/2017 - 08:48 6
by Roman Dementiev...
Fri, 03/10/2017 - 00:16
Normal topic Capturing multiple events simultaneously using RDPMC instruction
by Zirak
Thu, 02/16/2017 - 08:47 10
by McCalpin, John
Mon, 03/06/2017 - 09:29
Normal topic DEMAND_CODE_RD PMC
by Min X.
Wed, 03/01/2017 - 14:35 7
by McCalpin, John
Mon, 03/06/2017 - 09:05
Normal topic CPU Frequency Changing for Intel CPU
by Kevin
Tue, 02/28/2017 - 12:19 2
by Kevin
Tue, 02/28/2017 - 15:14
Normal topic Sustained 2r1w/cycle GPR code on Skylake architecture
by Jens N.
Tue, 02/28/2017 - 09:35 0
by Jens N.
Tue, 02/28/2017 - 09:35
Normal topic How to control the four hardware prefetchers in L1 and L2 more flexibly?
by hiratz s.
Fri, 02/24/2017 - 14:24 6
by McCalpin, John
Tue, 02/28/2017 - 08:50
Normal topic Ivy Bridge LLC miss
by Min X.
Thu, 02/23/2017 - 23:36 4
by McCalpin, John
Mon, 02/27/2017 - 09:33
Normal topic Package C-state Residency Counters
by CyrIng
Tue, 02/21/2017 - 09:51 1
by CyrIng
Mon, 02/27/2017 - 08:02
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 Counting number of uops
by Ayaz A.
Wed, 02/22/2017 - 10:19 3
by McCalpin, John
Fri, 02/24/2017 - 08:51
Normal topic Performance event "Pin control (bit 19)"
by JJ
Wed, 02/22/2017 - 07:27 1
by McCalpin, John
Thu, 02/23/2017 - 11:12
Hot topic The accuracy of the performance counter statisitics
by Xin X.
Wed, 08/07/2013 - 07:22 26
by McCalpin, John
Thu, 02/23/2017 - 11:04
Normal topic non-snoop read and non-snoop write. meaning?
by Alexander Alexeev
Tue, 07/16/2013 - 01:53 11
by McCalpin, John
Thu, 02/23/2017 - 08:37
Hot topic How to read performance counters by rdpmc instruction?
by Sergey Shalnov ...
Wed, 10/07/2015 - 22:01 29
by McCalpin, John
Thu, 02/23/2017 - 08:23
Normal topic How to measure remote read or write request of a core using PMU?
by Duan Z.
Mon, 02/20/2017 - 17:54 3
by Duan Z.
Wed, 02/22/2017 - 01:34
Normal topic Get Very Low Performance with MP Linpack benchmark in HPC cluster
by Minh C.
Mon, 02/20/2017 - 20:26 0
by Minh C.
Mon, 02/20/2017 - 20:26
Normal topic Does msync come with a cache flushing operation
by kai w.
Fri, 02/17/2017 - 15:52 0
by kai w.
Fri, 02/17/2017 - 15:52
Normal topic DDR2 & DDR3 timings similarities
by CyrIng
Wed, 02/15/2017 - 07:51 5
by CyrIng
Fri, 02/17/2017 - 10:43
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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.