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 startersort ascending Post date Replies Last Post
Normal topic The sample code for capping power consumption by RAPL interface/driver
by Kevin
Mon, 01/09/2017 - 17:28 0
by Kevin
Mon, 01/09/2017 - 17:28
Normal topic The meaning of UNC_IMC_ISOC_FULL.READ.CH0 on Xeon E5520
by emy_lv
Sun, 06/03/2012 - 07:43 1
by Thomas Willhalm...
Fri, 06/29/2012 - 02:45
Normal topic The event CYCLE_ACTIVITY.STALLS_LDM_PENDING and CYCLE_ACTIVITY.STALLS_L1D_PENDING
by Yanjing Z.
Sat, 06/29/2013 - 07:40 1
by iliyapolak
Mon, 07/01/2013 - 10:09
Hot topic The code of flop
by GHui
Wed, 02/29/2012 - 08:03 17
by Sergey Kostrov
Wed, 03/07/2012 - 07:24
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 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
Hot topic temporary pcie bandwidth drops on Haswell-v3
by Friedhelm S.
Tue, 11/24/2015 - 04:34 20
by McCalpin, John
Wed, 09/07/2016 - 07:44
Normal topic TECHNOLOGY INTEL RAPL HELP
by Luke L.
Sun, 01/08/2017 - 06:16 1
by McCalpin, John
Mon, 01/09/2017 - 10:39
Normal topic sys_reset# use with Intel® 5 Series HM55 chipset and an embedded COM Express™ Intel® Core™ i7 Celeron processor
by Lior M.
Sun, 09/28/2014 - 02:26 0
by Lior M.
Sun, 09/28/2014 - 02:26
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 Supported Model question.
by Jerry S.
Mon, 11/30/2015 - 22:47 1
by Thomas Willhalm...
Tue, 12/01/2015 - 01:13
Normal topic Support of 'long double' floating point data type on Intel CPUs ( A collection of threads )
by Sergey Kostrov
Wed, 03/06/2013 - 07:10 10
by Sergey Kostrov
Tue, 11/19/2013 - 06:51
Normal topic Sudden change in Haswell power consumption
by futureishere
Tue, 08/04/2015 - 09:06 0
by futureishere
Tue, 08/04/2015 - 09:06
Normal topic stream take through R2PCIe
by GHui
Wed, 08/12/2015 - 07:56 1
by McCalpin, John
Thu, 08/13/2015 - 09:22
Normal topic STREAM copy bandwidth
by Paul S.
Tue, 08/09/2016 - 11:22 2
by Paul S.
Thu, 08/11/2016 - 08:58
Hot topic Stream benchmark runs slower on 8Core E5-2680 when vectorized .
by QIAOMIN Q. (Intel)
Thu, 08/29/2013 - 00:34 20
by McCalpin, John
Tue, 09/10/2013 - 11:22
Normal topic Stream Benchmark
by Grischa J.
Wed, 09/16/2015 - 08:54 2
by McCalpin, John
Wed, 09/16/2015 - 12:18
Hot topic Strange behaviour of Intel Xeon E3-1220v2
by Tommy F.
Tue, 05/14/2013 - 15:05 31
by iliyapolak
Thu, 05/16/2013 - 22:18
Closed topic Strange behaviour of Intel Xeon E3-1220v2
by Tommy F.
Tue, 05/14/2013 - 15:05 1
by Patrick Fay (Intel)
Tue, 05/14/2013 - 15:46
Normal topic STLB Operation
by infinitesteps
Wed, 04/25/2012 - 13:26 2
by Alan Mimms
Fri, 06/14/2013 - 10:43
Normal topic Static power consumption increase with T state
by gokussj9
Mon, 06/18/2012 - 08:49 1
by Hussam Mousa (Intel)
Thu, 06/28/2012 - 16:31
Normal topic SSE vs AVX, kinda deceived
by gol
Sat, 05/05/2012 - 09:19 2
by gol
Tue, 05/08/2012 - 20:46
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 Speed Difference between i3 to i7?
by benjie27
Mon, 07/16/2012 - 23:22 1
by Hussam Mousa (Intel)
Tue, 07/17/2012 - 11:21
Normal topic some uncore PMU event not available on XEON-E5-2670
by Zhu G.
Thu, 11/06/2014 - 00:37 6
by McCalpin, John
Mon, 12/29/2014 - 09:07
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For more complete information about compiler optimizations, see our Optimization Notice.