Intel Xeon Haswell Mitigation Costs Linux Tests 2 x Xeon 6138: mitigations=auto,nosmt: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores), Motherboard: TYAN S7106 (V1.02.B20 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 96256MB, Disk: Samsung SSD 970 EVO 250GB, Graphics: llvmpipe 93GB, Monitor: VE228, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE + Mellanox MT26448 OS: Ubuntu 19.04, Kernel: 5.0.0-15-generic (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.2 (LLVM 8.0 256 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 mitigations=off: Processor: Intel Xeon E5-1680 v3 @ 3.80GHz (8 Cores / 16 Threads), Motherboard: ASUS X99-A (3902 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 60GB Patriot Torch, Graphics: eVGA NVIDIA NVE7 1GB, Audio: Realtek ALC1150, Monitor: VE228, Network: Intel I218-V OS: Ubuntu 18.04, Kernel: 4.18.0-20-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, OpenGL: 4.3 Mesa 18.2.8, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080 mitigations=auto,nosmt: Processor: Intel Xeon E5-1680 v3 @ 3.80GHz (8 Cores), Motherboard: ASUS X99-A (3902 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 60GB Patriot Torch, Graphics: eVGA NVIDIA NVE7 1GB, Audio: Realtek ALC1150, Monitor: VE228, Network: Intel I218-V OS: Ubuntu 18.04, Kernel: 4.18.0-20-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, OpenGL: 4.3 Mesa 18.2.8, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080 mitigations=auto: Processor: Intel Xeon E5-1680 v3 @ 3.80GHz (8 Cores / 16 Threads), Motherboard: ASUS X99-A (3902 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 60GB Patriot Torch, Graphics: eVGA NVIDIA NVE7 1GB, Audio: Realtek ALC1150, Monitor: VE228, Network: Intel I218-V OS: Ubuntu 18.04, Kernel: 4.18.0-20-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, OpenGL: 4.3 Mesa 18.2.8, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080 FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 190.00 |=============================== mitigations=off ....................... 66.08 |=========== mitigations=auto,nosmt ................ 63.83 |========== mitigations=auto ...................... 66.27 |=========== BlogBench 1.1 Test: Read Final Score > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2220399 |============================== mitigations=off ....................... 1872460 |========================= mitigations=auto,nosmt ................ 1244210 |================= mitigations=auto ...................... 1653305 |====================== BlogBench 1.1 Test: Write Final Score > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 27105 |================================ mitigations=off ....................... 5289 |====== mitigations=auto,nosmt ................ 5314 |====== mitigations=auto ...................... 5268 |====== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 1619 |================================= mitigations=off ....................... 705 |============== mitigations=auto,nosmt ................ 648 |============= mitigations=auto ...................... 694 |============== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 502 |================================== mitigations=off ....................... 377 |========================== mitigations=auto,nosmt ................ 328 |====================== mitigations=auto ...................... 334 |======================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 4901 |======================== mitigations=off ....................... 6759 |================================= mitigations=auto,nosmt ................ 5319 |========================== mitigations=auto ...................... 5245 |========================== t-test1 2017-01-13 Threads: 2 Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 22.55 |================================ mitigations=off ....................... 9.61 |============== mitigations=auto,nosmt ................ 11.74 |================= mitigations=auto ...................... 11.97 |================= Sockperf 3.4 Test: Throughput Messages Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 400095 |====================== mitigations=off ....................... 561057 |=============================== mitigations=auto,nosmt ................ 427801 |======================== mitigations=auto ...................... 429807 |======================== Sockperf 3.4 Test: Latency Ping Pong usec < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 4.65 |================================= mitigations=off ....................... 3.86 |=========================== mitigations=auto,nosmt ................ 4.16 |============================== mitigations=auto ...................... 4.58 |================================= Sockperf 3.4 Test: Latency Under Load usec < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 38.58 |================================ mitigations=off ....................... 23.35 |=================== mitigations=auto,nosmt ................ 19.26 |================ mitigations=auto ...................... 24.59 |==================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 1 Microseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 20.45 |================================ mitigations=off ....................... 17.03 |=========================== mitigations=auto,nosmt ................ 20.24 |================================ mitigations=auto ...................... 20.12 |=============================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 32 Microseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 20.64 |================================ mitigations=off ....................... 17.33 |=========================== mitigations=auto,nosmt ................ 20.36 |================================ mitigations=auto ...................... 20.38 |================================ Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Latency - Threads: 64 Microseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 20.47 |================================ mitigations=off ....................... 17.76 |============================ mitigations=auto,nosmt ................ 20.41 |================================ mitigations=auto ...................... 20.48 |================================ Ethr 2019-01-02 Server Address: localhost - Protocol: HTTP - Test: Bandwidth - Threads: 1 Mbits/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 409 |======================== mitigations=off ....................... 567 |================================== mitigations=auto,nosmt ................ 570 |================================== mitigations=auto ...................... 509 |============================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 253533 |=============================== mitigations=off ....................... 160942 |==================== mitigations=auto,nosmt ................ 133093 |================ mitigations=auto ...................... 152555 |=================== Ethr 2019-01-02 Server Address: localhost - Protocol: UDP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 279752 |=============================== mitigations=off ....................... 276989 |=============================== mitigations=auto,nosmt ................ 218244 |======================== mitigations=auto ...................... 273250 |============================== Ethr 2019-01-02 Server Address: localhost - Protocol: HTTP - Test: Bandwidth - Threads: 64 Mbits/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2000 |============ mitigations=off ....................... 5504 |================================= mitigations=auto,nosmt ................ 4099 |========================= mitigations=auto ...................... 5178 |=============================== Ethr 2019-01-02 Server Address: localhost - Protocol: TCP - Test: Connections/s - Threads: 1 Connections/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 5350 |==================== mitigations=off ....................... 8823 |================================= mitigations=auto,nosmt ................ 7677 |============================= mitigations=auto ...................... 7787 |============================= NAMD 2.13b1 ATPase Simulation - 327,506 Atoms days/ns < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 0.73166 |======== mitigations=off ....................... 2.24220 |========================= mitigations=auto,nosmt ................ 2.74109 |============================== mitigations=auto ...................... 2.24899 |========================= x264 2018-09-25 H.264 Video Encoding Frames Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 132.00 |=============================== mitigations=off ....................... 62.03 |=============== mitigations=auto,nosmt ................ 47.33 |=========== mitigations=auto ...................... 61.47 |============== 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 119124 |=============================== mitigations=off ....................... 40204 |========== mitigations=auto,nosmt ................ 32907 |========= mitigations=auto ...................... 39515 |========== Timed Linux Kernel Compilation 4.18 Time To Compile Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 34.89 |========== mitigations=off ....................... 95.07 |========================== mitigations=auto,nosmt ................ 112.61 |=============================== mitigations=auto ...................... 97.56 |=========================== Timed LLVM Compilation 6.0.1 Time To Compile Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 166 |======== mitigations=off ....................... 556 |============================ mitigations=auto,nosmt ................ 667 |================================== mitigations=auto ...................... 565 |============================= Y-Cruncher 0.7.7 Calculating 500M Pi Digits Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 10.93 |========== mitigations=off ....................... 28.71 |=========================== mitigations=auto,nosmt ................ 33.52 |================================ mitigations=auto ...................... 28.70 |=========================== XZ Compression 5.2.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 23.29 |================== mitigations=off ....................... 30.76 |======================= mitigations=auto,nosmt ................ 42.24 |================================ mitigations=auto ...................... 30.86 |======================= Zstd Compression 1.3.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 10.74 |=============== mitigations=off ....................... 19.94 |=========================== mitigations=auto,nosmt ................ 23.33 |================================ mitigations=auto ...................... 20.11 |============================ dav1d 0.3 Video Input: Summer Nature 4K Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 25.66 |================================ dav1d 0.3 Video Input: Summer Nature 1080p Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 13.18 |================================ Hackbench Count: 32 - Type: Process Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 49.61 |========== mitigations=off ....................... 70.09 |============== mitigations=auto,nosmt ................ 156.01 |=============================== mitigations=auto ...................... 123.99 |========================= Perl Benchmarks Test: Interpreter Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 0.00352684 |=========================== mitigations=off ....................... 0.00205956 |================ mitigations=auto,nosmt ................ 0.00197524 |=============== mitigations=auto ...................... 0.00233209 |================== OpenSSL 1.1.1 RSA 4096-bit Performance Signs Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 7545 |================================= mitigations=off ....................... 1275 |====== mitigations=auto,nosmt ................ 1255 |===== mitigations=auto ...................... 1275 |====== glibc bench 1.0 Benchmark: ffs nanoseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2.06 |================================= mitigations=off ....................... 1.71 |=========================== mitigations=auto,nosmt ................ 2.05 |================================= mitigations=auto ...................... 2.08 |================================= glibc bench 1.0 Benchmark: ffsll nanoseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2.07 |============================== mitigations=off ....................... 1.97 |============================ mitigations=auto,nosmt ................ 2.31 |================================= mitigations=auto ...................... 2.31 |================================= glibc bench 1.0 Benchmark: pthread_once nanoseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2.06 |================================= mitigations=off ....................... 1.71 |=========================== mitigations=auto,nosmt ................ 2.05 |================================= mitigations=auto ...................... 2.05 |================================= libjpeg-turbo tjbench 1.5.3 Test: Decompression Throughput Megapixels/sec > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 160 |================================== mitigations=off ....................... 153 |================================= mitigations=auto,nosmt ................ 152 |================================ mitigations=auto ...................... 153 |================================= PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only TPS > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 432205 |=============================== mitigations=off ....................... 168518 |============ mitigations=auto,nosmt ................ 112260 |======== mitigations=auto ...................... 157869 |=========== Darktable 2.6.0 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 4.56 |================================= Darktable 2.6.0 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 5.12 |================================= Darktable 2.6.0 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2.17 |================================= GIMP 2.10.8 Test: resize Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 13.48 |================================ GIMP 2.10.8 Test: rotate Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 19.70 |================================ GIMP 2.10.8 Test: auto-levels Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 25.87 |================================ GIMP 2.10.8 Test: unsharp-mask Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 30.85 |================================ Redis 4.0.8 Test: LPOP Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2166963 |============================ mitigations=off ....................... 2295251 |============================== mitigations=auto,nosmt ................ 1570796 |===================== mitigations=auto ...................... 1467283 |=================== Redis 4.0.8 Test: SADD Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2109222 |============================== mitigations=off ....................... 1983532 |============================ mitigations=auto,nosmt ................ 1957163 |============================ mitigations=auto ...................... 1874816 |=========================== Redis 4.0.8 Test: LPUSH Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 1658854 |============================== mitigations=off ....................... 1487297 |=========================== mitigations=auto,nosmt ................ 1562523 |============================ mitigations=auto ...................... 1507584 |=========================== Redis 4.0.8 Test: GET Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2322644 |============================== mitigations=off ....................... 2214385 |============================= mitigations=auto,nosmt ................ 2184999 |============================ mitigations=auto ...................... 2087360 |=========================== Redis 4.0.8 Test: SET Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 1846430 |============================== mitigations=off ....................... 1683548 |=========================== mitigations=auto,nosmt ................ 1646553 |=========================== mitigations=auto ...................... 1600933 |========================== Stress-NG 0.07.26 Test: Semaphores Bogo Ops/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 1904169 |=========== mitigations=off ....................... 3630085 |===================== mitigations=auto,nosmt ................ 5082198 |============================== mitigations=auto ...................... 3422465 |==================== Stress-NG 0.07.26 Test: Socket Activity Bogo Ops/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 11463 |================================ mitigations=off ....................... 7984 |====================== mitigations=auto,nosmt ................ 3833 |=========== mitigations=auto ...................... 5023 |============== Stress-NG 0.07.26 Test: Context Switching Bogo Ops/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 7474667 |============================== mitigations=off ....................... 4559788 |================== mitigations=auto,nosmt ................ 2043135 |======== mitigations=auto ...................... 3399768 |============== Stress-NG 0.07.26 Test: System V Message Passing Bogo Ops/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 7791018 |========================= mitigations=off ....................... 9325577 |============================== mitigations=auto,nosmt ................ 3854803 |============ mitigations=auto ...................... 7076692 |======================= ctx_clock Context Switch Time Clocks < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 586 |================== mitigations=off ....................... 149 |==== mitigations=auto,nosmt ................ 1095 |================================= mitigations=auto ...................... 1097 |================================= Sysbench 2018-07-28 Test: Memory Events Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 7107706 |=========== mitigations=off ....................... 18931194 |============================= mitigations=auto,nosmt ................ 13157574 |==================== mitigations=auto ...................... 18958747 |============================= Sysbench 2018-07-28 Test: CPU Events Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 37362 |================================ mitigations=off ....................... 13869 |============ mitigations=auto,nosmt ................ 8984 |======== mitigations=auto ...................... 13866 |============ Chaos Group V-RAY 4.10.03 Mode: CPU Ksamples > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 31441 |================================ mitigations=off ....................... 10285 |========== mitigations=auto,nosmt ................ 8358 |========= mitigations=auto ...................... 10271 |========== IndigoBench 4.0.64 Scene: Bedroom M samples/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 2.62 |================================= mitigations=off ....................... 1.02 |============= mitigations=auto,nosmt ................ 0.67 |======== mitigations=auto ...................... 1.02 |============= IndigoBench 4.0.64 Scene: Supercar M samples/s > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 6.49 |================================= mitigations=off ....................... 2.38 |============ mitigations=auto,nosmt ................ 1.65 |======== mitigations=auto ...................... 2.38 |============ Memcached mcperf 1.5.10 Method: Add Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 47057 |========================== mitigations=off ....................... 57963 |================================ mitigations=auto,nosmt ................ 54002 |============================== mitigations=auto ...................... 47515 |========================== Memcached mcperf 1.5.10 Method: Get Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 92579 |======================== mitigations=off ....................... 118080 |=============================== mitigations=auto,nosmt ................ 96971 |========================= mitigations=auto ...................... 96075 |========================= Memcached mcperf 1.5.10 Method: Set Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 49406 |========================== mitigations=off ....................... 61553 |================================ mitigations=auto,nosmt ................ 53387 |============================ mitigations=auto ...................... 46825 |======================== Memcached mcperf 1.5.10 Method: Append Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 60374 |================================ mitigations=off ....................... 53997 |============================= mitigations=auto,nosmt ................ 48752 |========================== mitigations=auto ...................... 51707 |=========================== Memcached mcperf 1.5.10 Method: Delete Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 95114 |======================== mitigations=off ....................... 122037 |=============================== mitigations=auto,nosmt ................ 96407 |======================== mitigations=auto ...................... 94935 |======================== Memcached mcperf 1.5.10 Method: Prepend Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 60982 |================================ mitigations=off ....................... 54633 |============================= mitigations=auto,nosmt ................ 48614 |========================== mitigations=auto ...................... 54266 |============================ Memcached mcperf 1.5.10 Method: Replace Operations Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 60749 |================================ mitigations=off ....................... 55432 |============================= mitigations=auto,nosmt ................ 48603 |========================== mitigations=auto ...................... 58599 |=============================== PyBench 2018-02-16 Total For Average Test Times Milliseconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 1084 |============================= mitigations=off ....................... 1230 |================================= mitigations=auto,nosmt ................ 1231 |================================= mitigations=auto ...................... 1233 |================================= NGINX Benchmark 1.9.9 Static Web Page Serving Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 28517 |=========================== mitigations=off ....................... 34413 |================================ mitigations=auto,nosmt ................ 25246 |======================= mitigations=auto ...................... 26330 |======================== Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 22344 |========================== mitigations=off ....................... 27213 |================================ mitigations=auto,nosmt ................ 27414 |================================ mitigations=auto ...................... 21655 |========================= Apache Siege 2.4.29 Concurrent Users: 250 Transactions Per Second > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 29682 |====================== mitigations=auto,nosmt ................ 42751 |================================ mitigations=auto ...................... 31750 |======================== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 597011 |=============================== mitigations=off ....................... 565312 |============================= mitigations=auto,nosmt ................ 564930 |============================= mitigations=auto ...................... 563436 |============================= Git Time To Complete Common Git Commands Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 6.29 |================================ mitigations=off ....................... 6.25 |================================ mitigations=auto,nosmt ................ 6.45 |================================= mitigations=auto ...................... 6.31 |================================ Scikit-Learn 0.17.1 Seconds < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 29.74 |================================ mitigations=off ....................... 13.35 |============== mitigations=auto,nosmt ................ 13.81 |=============== mitigations=auto ...................... 13.75 |=============== OSBench Test: Create Files us Per Event < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 16.41 |================================ mitigations=off ....................... 12.36 |======================== mitigations=auto,nosmt ................ 15.75 |=============================== mitigations=auto ...................... 15.71 |=============================== OSBench Test: Create Threads us Per Event < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 19.94 |================================ mitigations=off ....................... 13.42 |====================== mitigations=auto,nosmt ................ 15.41 |========================= mitigations=auto ...................... 16.65 |=========================== OSBench Test: Launch Programs us Per Event < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 49.27 |================================ mitigations=off ....................... 28.59 |=================== mitigations=auto,nosmt ................ 40.74 |========================== mitigations=auto ...................... 32.80 |===================== OSBench Test: Memory Allocations Ns Per Event < Lower Is Better 2 x Xeon 6138: mitigations=auto,nosmt . 98.12 |================================ mitigations=off ....................... 79.31 |========================== mitigations=auto,nosmt ................ 94.99 |=============================== mitigations=auto ...................... 85.61 |============================ Darktable 2.4.2 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better mitigations=off ........ 10.89 |=============================================== mitigations=auto,nosmt . 10.41 |============================================ mitigations=auto ....... 11.00 |=============================================== Darktable 2.4.2 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better mitigations=off ........ 6.46 |======================================== mitigations=auto,nosmt . 7.80 |================================================ mitigations=auto ....... 6.62 |========================================= Darktable 2.4.2 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better mitigations=off ........ 4.93 |============================================ mitigations=auto,nosmt . 5.41 |================================================ mitigations=auto ....... 5.00 |============================================ GIMP 2.8.22 Test: resize Seconds < Lower Is Better mitigations=off ........ 10.46 |========================================= mitigations=auto,nosmt . 11.77 |============================================== mitigations=auto ....... 11.97 |=============================================== GIMP 2.8.22 Test: rotate Seconds < Lower Is Better mitigations=off ........ 23.44 |========================================== mitigations=auto,nosmt . 26.14 |=============================================== mitigations=auto ....... 26.03 |=============================================== GIMP 2.8.22 Test: auto-levels Seconds < Lower Is Better mitigations=off ........ 20.02 |========================================== mitigations=auto,nosmt . 22.61 |=============================================== mitigations=auto ....... 22.09 |============================================== GIMP 2.8.22 Test: unsharp-mask Seconds < Lower Is Better mitigations=off ........ 43.59 |======================================== mitigations=auto,nosmt . 51.03 |=============================================== mitigations=auto ....... 49.60 |==============================================