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搜索结果: 54

  1. QSV CPU usage

    https://software.intel.com/zh-cn/node/672227

    2016年8月1日 ... Performance improves about 20% between profiles (speed, quality). ... Media SDK 2016 we see 2x cpu usage and 2.5x increase in gpu load.

  2. Multiplex decoding H264 ,slow and poor performance?

    https://software.intel.com/zh-cn/node/658300

    2016年7月5日 ... ... decoding h264 and display, performance is very poor, any improvement? ... 14 thread decoding, CPU utilization 67%,GPU utilization 65%.

  3. Optimize C code by SSE2

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/359248

    2013年1月17日 ... I have thought that the use of SSE can improve CPU usage. ... how a correct application of _mm_prefetch improves performance of copy ...

  4. Slow Level 2 analysis

    https://software.intel.com/zh-cn/forums/intel-inspector-xe/topic/499806

    2014年1月19日 ... manik s. escreveu: putting a sleep in the main renderer thread improved the performance a bit. Probably CPU utilization will be reduced when ...

  5. Intel Processor Events Reference | Intel® Software

    https://software.intel.com/en-us/event_reference_lin

    The PMU is hardware built inside a processor to measure its performance parameters such as instruction cycles, cache hits, cache misses, branch misses and ...

  6. sample_decode_x11 cpu usage

    https://software.intel.com/zh-cn/forums/intel-media-sdk/topic/536833

    2014年12月4日 ... Which part consumes such high cpu usage. ... focus the gaps in our documentation communication, and we will improve them for future. ... So we want local decoding and displaying at very low cpu usage in order to give more ...

  7. High CPU usage with OpenMP from latest Visual Studio Service ...

    https://software.intel.com/zh-cn/forums/intel-c-compiler/topic/294693

    2009年8月27日 ... Now, it is incredibly slow with OpenMP. ... This would solve two problems, one the problem of high CPU usage, and two that activating ... pixels per second using OpenMP statically linked, a respectable improvement of 22%.

  8. Very low L3 cache hits on Sandy Bridge according to PCM

    https://software.intel.com/zh-cn/forums/software-tuning-performance-optimization-platform-monitoring/topic/328020

    2012年9月20日 ... We develop ultra low latency proprietary software. ... /intel-performance-counter- monitor-a-better-way-to-measure-cpu-utilization .... of both Westmere and Sandy Bridge, but the improvement was much more dramatic on SNB.

  9. IPP FFT shows no improvement with multiple threads

    https://software.intel.com/zh-cn/forums/intel-integrated-performance-primitives/topic/290519

    2010年4月5日 ... I have tried FFT lengths from 2^3 to 2^20. Parallel Amplifier shows CPU Usage is 1 regardless of number of threads. What's up/what should I ...

  10. Large overhead and spin time reported in MKL functions

    https://software.intel.com/zh-cn/forums/intel-math-kernel-library/topic/405654

    2013年8月7日 ... I wonder if the picture improves with OMP_SCHEDULE=DYNAMIC and ... The CPU utilization is zero, because all CPU time is overhead.

  11. Performance comparison using STM compiler

    https://software.intel.com/zh-cn/forums/intel-c-stm-compiler-prototype-edition/topic/300452

    2008年9月25日 ... But now the results are even bad. ... for example) and see if I can reproduce 6X improvement over the same ... Don't confuse CPU usage with speedup. You can have 800% CPU usage, but only 50% speedup (i.e. slowdown).

  12. Usage Case Examples for Intel Energy Checker

    https://software.intel.com/zh-cn/forums/intel-energy-checker-sdk/topic/290883

    2010年3月18日 ... a wide pallet of options to improve softwares energy efficiency. In our team, we are looking first to the low hanging fruits that yield a measurable power ... metrics such forecasted CPU utilization for the next 1, 5 and 10 seconds ...

  13. IPP FFT called from C# does not scale with additional CPU cores

    https://software.intel.com/zh-cn/forums/intel-integrated-performance-primitives/topic/385354

    2013年4月5日 ... Process count | CPU utilization | Wall time to complete (seconds) .... allow me to see better CPU scaling with 2^13 signal lengths, boosting our ...

  14. PCM for QPI link utilization undestanding

    https://software.intel.com/zh-cn/node/619945

    2016年3月17日 ... With traffic increase we see QPI link utilization increase. ... nominal CPU cycle: 0.00 => corresponds to 0.00 % core utilization over time interval ...

  15. sched_yield when pipeline input stage blocks leads to high CPU ...

    https://software.intel.com/zh-cn/forums/intel-threading-building-blocks/topic/279120

    2012年3月23日 ... The end result is the CPU usage shoots up close to 100% when there is little or no work. ... PS: I considered restarting the pipeline when load is low. ... be still better energy use and... cosmetically-only improved machine use.

  16. Memory Bandwidth Issue

    https://software.intel.com/zh-cn/forums/intel-media-sdk/topic/392909

    2013年5月23日 ... In short, we push your platforms pretty hard, using significant CPU and ... plot is that the CPU usage of the Media SDK process is actually relatively low, .... you observe is likely related to the way Intel Turbo Boost Tech. works.

  17. Examining the serialized memory access effect, in multi-threaded

    https://software.intel.com/zh-cn/node/607364

    2016年1月24日 ... But while the "Memory Latency" factor in vtune starts to increase (2threads: .... It allows to look at CPU utilization metrics along with memory ...

  18. Sandy Bridge: SSE performance and AVX gather/scatter

    https://software.intel.com/zh-cn/forums/intel-isa-extensions/topic/285867?page=2

    ... demo at each frame (thus low overall CPU usage, less than 85% on my machine, ... is texel fetching, and that is where gather brings a modest improvement.

  19. Help finding slow code

    https://software.intel.com/zh-cn/forums/intel-vtune-amplifier-xe/topic/277037

    2012年8月10日 ... How to I find what is making it so slow. ... Help finding slow code ... to 15s, we expect that 800% CPU usage for OpenMP* threads' running. ... region, or increase workload to reduce wait count - then improve the performance.

  20. 您的位置

    https://software.intel.com/zh-cn/forums/intel-threading-building-blocks/topic/304299

    2007年10月26日 ... This dramatically improved program performance -- from ~100% CPU load to ~10 % CPU load. There is another forum topic related to this ...

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