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diff --git a/docs/designspec/compute_QPI.rst b/docs/designspec/compute_QPI.rst new file mode 100644 index 00000000..2e5aa87c --- /dev/null +++ b/docs/designspec/compute_QPI.rst @@ -0,0 +1,69 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. (c) 2016 ZTE Corp. + + +*********** +Compute QPI +*********** + +The compute QPI gives user an overall score for system compute performace. + +Summary +======= + +The compute QPI are calibrated a ZTE `E9000 <http://www.zte.com.cn/global/products/cocloud/cloud_computing/cloud_infrastructure/cloud_hw/429552>`_ server as a baseline with score of 2500 points. +Higher scores are better, with double the score indicating double the performance. +The compute QPI provides three different kinds of scores: + +* Workload Scores +* Section Scores +* Compute QPI Scores + +Baseline +======== + +ZTE E9000 server with an 2 Deca core Intel Xeon CPU processor,128560.0MB Memory. + +Workload Scores +=============== + +Each time a workload is executed QTIP calculates a score based on the computer's performance +compared to the baseline performance. + +Section Scores +============== + +QTIP uses a number of different tests, or workloads, to measure performance. +The workloads are divided into five different sections: + ++-----------------+--------------------------------------------------------------+------------------------------------------+ +| Section | Detail | Indication | ++=================+==============================================================+==========================================+ +| Integer | Integer workloads measure the integer instruction performace | All app relies on integer | +| | of host or vm by performing Dhrystone test. | performance | ++-----------------+--------------------------------------------------------------+------------------------------------------+ +| Floating point | Floating point workloads measure the floating pointperfo | Floating point performance is especially | +| | rmance by performing Whetstone test. | important in video games,digital content | +| | | creation applications. | ++-----------------+--------------------------------------------------------------+------------------------------------------+ +| Memory | Memory workloads measure memory bandwidth by performing | Software working with cipher large | +| | RamSpeed test. | amounts data relies on SSL Performace. | ++-----------------+--------------------------------------------------------------+------------------------------------------+ +| DPI | DPI workloads measure deep-packet inspection speed by | Software working with network packet | +| | performing nDPI test. | anlysis relies on DPI performance. | ++-----------------+--------------------------------------------------------------+------------------------------------------+ +| SSL | SSL Performance workloads measure cipher speeds by | Software working with cipher large | +| | using the OpenSSL tool. | amounts data relies on SSL Performace | ++-----------------+--------------------------------------------------------------+------------------------------------------+ + +A section score is the `geometric mean <https://en.wikipedia.org/wiki/Geometric_mean>`_ of all the workload scores for workloads +that are part of the section. These scores are useful for determining the performance of +the computer in a particular area. + +Compute QPI Scores +================== + +The compute QPI score is the `weighted arithmetic mean <https://en.wikipedia.org/wiki/Weighted_arithmetic_mean>`_ of the five section scores. +The compute QPI score provides a way to quickly compare performance across different +computers and different platforms without getting bogged down in details. |