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 Repliessort ascending Last Post
Hot topic QPI counters aren't available on Dell r620. Q_P0_PCI_PMON_BOX_CTL=0x0
by Alexander Alexeev
Fri, 04/05/2013 - 02:08 21
by Zheng Luo
Wed, 10/02/2013 - 10:11
Hot topic temporary pcie bandwidth drops on Haswell-v3
by Friedhelm S.
Tue, 11/24/2015 - 04:34 20
by John McCalpin
Wed, 09/07/2016 - 07:44
Hot topic Stream benchmark runs slower on 8Core E5-2680 when vectorized .
by QIAOMIN Q. (Intel)
Thu, 08/29/2013 - 00:34 20
by John McCalpin
Tue, 09/10/2013 - 11:22
Hot topic Can someone explain how NUMA is not always best for multi-socket systems?
by hardware_guy
Mon, 05/13/2013 - 13:13 19
by iliyapolak
Wed, 05/15/2013 - 06:29
Hot topic Get RING_THRU_DN_BYTES and RING_THRU_UP_BYTES
by GHui
Thu, 07/30/2015 - 02:43 19
by John McCalpin
Mon, 08/10/2015 - 11:38
Hot topic Xeon E5 PCI Extended address space base address
by shiv a.
Wed, 05/14/2014 - 16:57 19
by John McCalpin
Tue, 05/20/2014 - 14:23
Hot topic Different speed with Intel Processor Identification Utility
by shaunm
Sat, 06/15/2013 - 23:40 18
by shaunm
Fri, 06/21/2013 - 04:57
Hot topic interrupt coalescing in Xeon processors
by zhengda1936
Mon, 06/03/2013 - 12:53 18
by iliyapolak
Fri, 06/14/2013 - 08:22
Hot topic TSC Synchronization Across Cores
by Samuel M.
Tue, 04/16/2013 - 20:00 18
by Sergey Kostrov
Fri, 04/26/2013 - 20:49
Hot topic performance counters interrupt and virtualiztion
by Yoav A.
Tue, 07/08/2014 - 10:21 18
by John McCalpin
Mon, 05/23/2016 - 07:26
Hot topic Perfmon PCM Plugin - Zero Values/Gaps occur with certain counters
by Ruvar S.
Sun, 07/27/2014 - 08:20 18
by Ricky D.
Mon, 05/16/2016 - 20:08
Hot topic No performance gain on faster pc
by piet_de_weer
Fri, 09/19/2014 - 16:29 17
by iliyapolak
Fri, 09/26/2014 - 09:04
Hot topic Reading QPI-Speed with pcm-power
by Michael Fuckner
Sun, 04/22/2012 - 23:13 17
by hpcdkhab
Tue, 03/04/2014 - 09:39
Hot topic Haswell L2 cache bandwidth to L1 (64 bytes/cycle)?
by Stephen
Fri, 10/03/2014 - 11:29 17
by John McCalpin
Thu, 08/06/2015 - 18:26
Hot topic How to find the Individual core L1 and L2 cache hit/miss on the multicore environment
by Hemanth K.
Tue, 04/07/2015 - 03:17 17
by Hemanth K.
Mon, 04/13/2015 - 05:07
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 Is it possible to access RAM directly while the memory is cached?
by le g.
Tue, 08/20/2013 - 05:51 17
by le g.
Tue, 09/03/2013 - 02:12
Hot topic Performance Counter Mismatch for data cache misses
by Jianhua H.
Tue, 05/27/2014 - 14:22 17
by Patrick Fay (Intel)
Tue, 06/10/2014 - 05:49
Hot topic RAPL analysis/tests on a laptop
by Carlos P.
Tue, 03/24/2015 - 20:25 17
by Carlos P.
Tue, 06/02/2015 - 17:47
Hot topic intel pcm-cache miss rate per process
by narran
Thu, 04/11/2013 - 23:02 17
by Patrick Fay (Intel)
Wed, 04/17/2013 - 06:13
Hot topic function prolugue consumes many cycles
by developer
Mon, 11/18/2013 - 08:18 17
by Sergey Kostrov
Wed, 11/20/2013 - 21:45
Hot topic Precision of rdtscp
by Jochen H.
Thu, 09/11/2014 - 05:07 16
by John McCalpin
Mon, 09/15/2014 - 11:47
Hot topic Processor and DRAM Power Measurement Platform
by gokussj9
Wed, 04/17/2013 - 08:46 16
by Patrick Fay (Intel)
Thu, 04/16/2015 - 08:51
Hot topic Notes about Loop-Blocking Optimization Technique to increase performance of processing
by Sergey Kostrov
Thu, 06/13/2013 - 22:06 16
by iliyapolak
Thu, 06/20/2013 - 08:56
Hot topic Monitoring PCI performance from software?
by David Cherkus
Fri, 04/27/2012 - 17:19 15
by Anil A.
Wed, 09/16/2015 - 10:50
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For more complete information about compiler optimizations, see our Optimization Notice.