xpti-with-pcid Xen 4.11-unstable, XPTI + Wei's PCID + Juergen's overhead mitigation; xpti=off XPTI off: Processor: Intel Xeon E5620 @ 2.39GHz (1 Core / 16 Threads), Memory: 10240MB, Disk: 160GB, Graphics: xen OS: openSUSE 15.0, Kernel: 4.12.14-lp150.5-default (x86_64), Desktop: GNOME Shell 3.26.2, Display Driver: modesetting 1.19.6, Compiler: GCC 7.3.0, File-System: xfs, Screen Resolution: 800x600, System Layer: Xen 4.11.-unstable Hypervisor AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better XPTI off . 1926.57 |=========================================================== Stream 2013-01-17 Type: Copy MB/s > Higher Is Better XPTI off . 15738.48 |========================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better XPTI off . 10849.14 |========================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better XPTI off . 12268.20 |========================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better XPTI off . 12323.60 |========================================================== t-test1 2017-01-13 Threads: 1 Seconds < Lower Is Better XPTI off . 75.20 |============================================================= t-test1 2017-01-13 Threads: 2 Seconds < Lower Is Better XPTI off . 24.13 |============================================================= CacheBench Test: Read MB/s > Higher Is Better XPTI off . 2026.19 |=========================================================== CacheBench Test: Write MB/s > Higher Is Better XPTI off . 9741.40 |=========================================================== CacheBench Test: Read / Modify / Write MB/s > Higher Is Better XPTI off . 13253.33 |========================================================== Timed Linux Kernel Compilation 4.13 Time To Compile Seconds < Lower Is Better XPTI off . 155.54 |============================================================ Timed MPlayer Compilation 1.0-rc3 Time To Compile Seconds < Lower Is Better XPTI off . 46.12 |============================================================= Timed PHP Compilation 7.1.9 Time To Compile Seconds < Lower Is Better XPTI off . 119.46 |============================================================ Parallel BZIP2 Compression 1.1.12 256MB File Compression Seconds < Lower Is Better XPTI off . 8.96 |============================================================== Hackbench Count: 1 - Type: Thread Seconds < Lower Is Better XPTI off . 11.45 |============================================================= Hackbench Count: 4 - Type: Thread Seconds < Lower Is Better XPTI off . 38.43 |============================================================= Hackbench Count: 16 - Type: Thread Seconds < Lower Is Better XPTI off . 140.91 |============================================================ Stress-NG 0.07.26 Test: Crypto Bogo Ops/s > Higher Is Better XPTI off . 689.36 |============================================================ Stress-NG 0.07.26 Test: Bsearch Bogo Ops/s > Higher Is Better XPTI off . 3941.30 |=========================================================== Stress-NG 0.07.26 Test: Forking Bogo Ops/s > Higher Is Better XPTI off . 6208.40 |=========================================================== Stress-NG 0.07.26 Test: Hsearch Bogo Ops/s > Higher Is Better XPTI off . 26380.63 |========================================================== Stress-NG 0.07.26 Test: Lsearch Bogo Ops/s > Higher Is Better XPTI off . 60.27 |============================================================= Stress-NG 0.07.26 Test: Tsearch Bogo Ops/s > Higher Is Better XPTI off . 125.72 |============================================================ Stress-NG 0.07.26 Test: CPU Stress Bogo Ops/s > Higher Is Better XPTI off . 1706.72 |=========================================================== Stress-NG 0.07.26 Test: Semaphores Bogo Ops/s > Higher Is Better XPTI off . 2262689.37 |======================================================== Stress-NG 0.07.26 Test: Matrix Math Bogo Ops/s > Higher Is Better XPTI off . 20287.24 |========================================================== Stress-NG 0.07.26 Test: Vector Math Bogo Ops/s > Higher Is Better XPTI off . 10516.51 |========================================================== Stress-NG 0.07.26 Test: Memory Copying Bogo Ops/s > Higher Is Better XPTI off . 978.38 |============================================================ Stress-NG 0.07.26 Test: Socket Activity Bogo Ops/s > Higher Is Better XPTI off . 1568.00 |=========================================================== Stress-NG 0.07.26 Test: Context Switching Bogo Ops/s > Higher Is Better XPTI off . 822072.29 |========================================================= Stress-NG 0.07.26 Test: Glibc C String Functions Bogo Ops/s > Higher Is Better XPTI off . 269733.97 |========================================================= Stress-NG 0.07.26 Test: Glibc Qsort Data Sorting Bogo Ops/s > Higher Is Better XPTI off . 58.00 |============================================================= Stress-NG 0.07.26 Test: System V Message Passing Bogo Ops/s > Higher Is Better XPTI off . 3737187.66 |======================================================== PyBench 2018-02-16 Total For Average Test Times Milliseconds < Lower Is Better XPTI off . 2988 |============================================================== Schbench Message Threads: 2 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 17696 |============================================================= Schbench Message Threads: 4 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 86144 |============================================================= Schbench Message Threads: 6 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 130219 |============================================================ Schbench Message Threads: 8 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 173141 |============================================================ Schbench Message Threads: 16 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 338773 |============================================================ Schbench Message Threads: 32 - Workers Per Message Thread: 16 usec, 99.9th Latency Percentile < Lower Is Better XPTI off . 636587 |============================================================