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 How to measure flops on v4
by GHui
Tue, 08/23/2016 - 22:21 4
by John McCalpin
Fri, 08/26/2016 - 14:53
Hot topic temporary pcie bandwidth drops on Haswell-v3
by Friedhelm S.
Tue, 11/24/2015 - 04:34 18
by Will N.
Fri, 08/26/2016 - 09:29
Normal topic DDIO hit/miss metric? (or PCIeItoM not ticking)
by Bartosz L.
Thu, 05/12/2016 - 11:02 5
by Yigal K.
Wed, 08/24/2016 - 00:06
Normal topic Bug: PCM doesn't support offline cores
by Tomer M.
Tue, 08/23/2016 - 12:18 0
by Tomer M.
Tue, 08/23/2016 - 12:18
Normal topic C state latency measurement Cherrytrail
by venkatesh v.
Tue, 08/23/2016 - 10:22 0
by venkatesh v.
Tue, 08/23/2016 - 10:22
Normal topic Benchmark performance increases with deeper C-states (linux)
by Beverly K.
Sun, 11/09/2014 - 06:01 7
by venkatesh v.
Tue, 08/23/2016 - 09:53
Normal topic Tracking what prevents the processor from entering deeper PCStates
by Victor P.
Mon, 08/15/2016 - 10:43 0
by Victor P.
Mon, 08/15/2016 - 10:43
Normal topic Counting Offcore_Response Events Xeon Phi KNL
by Adam S.
Mon, 08/08/2016 - 15:11 4
by Adam S.
Fri, 08/12/2016 - 18:09
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 Difference between cache banks and cache slices
by anthony b.
Fri, 08/05/2016 - 23:50 5
by John McCalpin
Wed, 08/10/2016 - 11:27
Normal topic Missing Hardware events
by Rahul C. (Intel)
Tue, 08/09/2016 - 14:04 1
by Thomas R.
Wed, 08/10/2016 - 04:01
Normal topic Measuring software prefetching on Haswell E5-2600 v3 machine
by Amoghavarsha S.
Sat, 08/06/2016 - 13:28 0
by Amoghavarsha S.
Sat, 08/06/2016 - 13:28
Normal topic Performance variation ever time restarting DPDK based App
by Praveen S.
Thu, 08/04/2016 - 16:12 0
by Praveen S.
Thu, 08/04/2016 - 16:12
Normal topic Memory bandwidth degradation with STREAM benchmark on identical systems
by Jeff F.
Fri, 07/29/2016 - 11:11 2
by Jeff F.
Mon, 08/01/2016 - 12:34
Normal topic IntelPWMControl
by Vasya P.
Fri, 02/06/2015 - 06:18 12
by Lorenzo E.
Mon, 08/01/2016 - 04:13
Normal topic Intel compiler generates inefficient SSE-Loads+vinsertf128 instead of simple AVX vaddpd mem, y, y
by Markus O.
Tue, 07/26/2016 - 08:18 4
by John McCalpin
Fri, 07/29/2016 - 07:10
Normal topic BIOS detects only 2 of 3 QPI ports on Intel Xeon E7-8870 v3
by surim
Fri, 07/29/2016 - 05:00 0
by surim
Fri, 07/29/2016 - 05:00
Normal topic Xcode warning when building PcmMsrDriver.kext
by Charles S.
Thu, 07/28/2016 - 15:23 0
by Charles S.
Thu, 07/28/2016 - 15:23
Normal topic CPU not executing instructions
by Norbert S.
Wed, 07/27/2016 - 03:19 0
by Norbert S.
Wed, 07/27/2016 - 03:19
Normal topic Advanced Diagnostics features of I210 Eth Controller (TDR, CFR)
by Vitalii K.
Tue, 07/26/2016 - 05:30 0
by Vitalii K.
Tue, 07/26/2016 - 05:30
Normal topic Want to count L2 data cache misses without prefetching
by Wei W.
Thu, 06/02/2016 - 13:19 3
by Wei W.
Mon, 07/25/2016 - 11:05
Normal topic Uncore Frequency Control on HSW, BDW, SKY
by Johannes Hofmann
Thu, 07/21/2016 - 23:24 1
by John McCalpin
Fri, 07/22/2016 - 10:36
Normal topic Accessing Uncore performance counters
by Priyadarshi
Fri, 10/19/2012 - 14:44 7
by Padma b.
Fri, 07/22/2016 - 03:07
Normal topic Dumping Package Configuration
by Johannes Hofmann
Thu, 07/21/2016 - 23:46 0
by Johannes Hofmann
Thu, 07/21/2016 - 23:46
Normal topic Monitoring C1 and C1E core c-state
by Daniele C.
Wed, 07/20/2016 - 05:29 1
by John McCalpin
Wed, 07/20/2016 - 06:53
New posts
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Hot topic with new posts
Hot topic without new posts
Sticky topic
Locked topic
For more complete information about compiler optimizations, see our Optimization Notice.