Linux Laptops Intel KPTI Linux Benchmarks

Lenovo ThinkPad Linux benchmarks by Michael Larabel for a future article.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1802047-AL-1801112FO72
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Linux 4.14: ThinkPad T61
January 09 2018
 
Linux 4.14: ThinkPad W510
January 09 2018
 
Linux 4.14: ThinkPad X1
January 10 2018
 
KPTI + Retpoline: ThinkPad T61
January 09 2018
 
KPTI + Retpoline: ThinkPad W510
January 09 2018
 
KPTI + Retpoline: ThinkPad X1
January 10 2018
 
A4.15 retpoline ac
February 04 2018
 
A4.9.0-5 noretpoline AC
February 04 2018
 
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Linux Laptops Intel KPTI Linux Benchmarks Lenovo ThinkPad Linux benchmarks by Michael Larabel for a future article. Linux 4.14: ThinkPad W510: Processor: Intel Core i7 720Q @ 1.60GHz (4 Cores / 8 Threads), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB FUJITSU MHZ2160B, Graphics: NVA5 1024MB, Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1600x900 KPTI + Retpoline: ThinkPad W510: Processor: Intel Core i7 720Q @ 1.60GHz (4 Cores / 8 Threads), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB FUJITSU MHZ2160B, Graphics: NVA5 1024MB, Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Ubuntu 17.10, Kernel: 4.14.0-phx-retpoline-gcc-retpo (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1600x900 Linux 4.14: ThinkPad T61: Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 6459CTO, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 100GB Hitachi HTS72201, Graphics: NVIDIA Quadro NVS 140M 128MB, Audio: Analog Devices AD1984, Network: Intel 82566MM Gigabit Connection + Intel PRO/Wireless OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.2, Display Driver: nouveau 1.0.15, File-System: ext4, Screen Resolution: 1680x1050 KPTI + Retpoline: ThinkPad T61: Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 6459CTO, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 100GB Hitachi HTS72201, Graphics: NV86 128MB, Audio: Analog Devices AD1984, Network: Intel 82566MM Gigabit Connection + Intel PRO/Wireless OS: Ubuntu 17.10, Kernel: 4.14.0-phx-retpoline-gcc-retpo (x86_64), Desktop: GNOME Shell 3.26.2, Display Driver: modesetting 1.19.5, OpenGL: 3.3 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1680x1050 Linux 4.14: ThinkPad X1: Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW(BIOS: N14ET25W 1.03), Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265 OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080 KPTI + Retpoline: ThinkPad X1: Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW(BIOS: N14ET25W 1.03), Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265 OS: Ubuntu 17.10, Kernel: 4.14.0-phx-retpoline-gcc-retpo (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080 A4.15 retpoline ac: Processor: AMD A6-3410MX APU @ 1.60GHz (4 Cores), Motherboard: HP 358D v33.18, Chipset: AMD Family 12h Root Complex, Memory: 6144MB, Disk: 1000GB Samsung SSD 840, Graphics: AMD Radeon HD 6520G 512MB, Audio: AMD BeaverCreek HDMI Audio, Network: Realtek RTL8111/8168/8411 + Broadcom Limited BCM4313 802.11bgn Wireless OS: Debian 9.3, Kernel: 4.15.1jan (x86_64), Desktop: LXDE 0.9.3, Display Driver: modesetting 1.19.2, OpenGL: 3.3 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9.1), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1366x768 A4.9.0-5 noretpoline AC: Processor: AMD A6-3410MX APU @ 1.60GHz (4 Cores), Motherboard: HP 358D v33.18, Chipset: AMD Family 12h Root Complex, Memory: 6144MB, Disk: 1000GB Samsung SSD 840, Graphics: AMD Radeon HD 6520G 512MB, Audio: AMD BeaverCreek HDMI Audio, Network: Realtek RTL8111/8168/8411 + Broadcom Limited BCM4313 802.11bgn Wireless OS: Debian 9.3, Kernel: 4.9.0-5-amd64 (x86_64), Desktop: LXDE 0.9.3, Display Driver: modesetting 1.19.2, OpenGL: 3.3 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9.1), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1366x768 Darktable 2.2.5 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 27.23 |==== KPTI + Retpoline: ThinkPad W510 . 27.43 |===== Linux 4.14: ThinkPad T61 ........ 221.50 |===================================== KPTI + Retpoline: ThinkPad T61 .. 224.11 |===================================== Linux 4.14: ThinkPad X1 ......... 22.48 |==== KPTI + Retpoline: ThinkPad X1 ... 22.60 |==== Systemd Total Boot Time Test: Total ms < Lower Is Better Linux 4.14: ThinkPad W510 ....... 48210 |================================= KPTI + Retpoline: ThinkPad W510 . 48190 |================================= Linux 4.14: ThinkPad T61 ........ 47510 |================================= KPTI + Retpoline: ThinkPad T61 .. 55490 |====================================== Linux 4.14: ThinkPad X1 ......... 32310 |====================== KPTI + Retpoline: ThinkPad X1 ... 34390 |======================== A4.15 retpoline ac .............. 7080 |===== A4.9.0-5 noretpoline AC ......... 6580 |===== Darktable 2.2.5 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 32.09 |===== KPTI + Retpoline: ThinkPad W510 . 32.65 |===== Linux 4.14: ThinkPad T61 ........ 233.43 |==================================== KPTI + Retpoline: ThinkPad T61 .. 236.65 |===================================== Linux 4.14: ThinkPad X1 ......... 28.29 |==== KPTI + Retpoline: ThinkPad X1 ... 28.54 |==== SQLite 3.8.10.2 Test Target: Default Test Directory Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 488.35 |================================== KPTI + Retpoline: ThinkPad W510 . 538.64 |===================================== Linux 4.14: ThinkPad T61 ........ 447.25 |=============================== KPTI + Retpoline: ThinkPad T61 .. 445.48 |=============================== Linux 4.14: ThinkPad X1 ......... 91.58 |====== KPTI + Retpoline: ThinkPad X1 ... 93.88 |====== A4.15 retpoline ac .............. 93.06 |====== A4.9.0-5 noretpoline AC ......... 93.21 |====== Darktable 2.2.5 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 59.81 |========= KPTI + Retpoline: ThinkPad W510 . 60.05 |========= Linux 4.14: ThinkPad T61 ........ 238.80 |===================================== KPTI + Retpoline: ThinkPad T61 .. 241.42 |===================================== Linux 4.14: ThinkPad X1 ......... 44.09 |======= KPTI + Retpoline: ThinkPad X1 ... 44.23 |======= PostgreSQL pgbench 10.0 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better Linux 4.14: ThinkPad W510 ....... 338.81 |======== KPTI + Retpoline: ThinkPad W510 . 337.26 |======== Linux 4.14: ThinkPad T61 ........ 321.97 |======= KPTI + Retpoline: ThinkPad T61 .. 319.61 |======= Linux 4.14: ThinkPad X1 ......... 1605.59 |==================================== KPTI + Retpoline: ThinkPad X1 ... 1581.72 |=================================== A4.15 retpoline ac .............. 1436.54 |================================ A4.9.0-5 noretpoline AC ......... 1456.96 |================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 62.17 |========== KPTI + Retpoline: ThinkPad W510 . 58.06 |========= Linux 4.14: ThinkPad T61 ........ 53.45 |======== KPTI + Retpoline: ThinkPad T61 .. 49.72 |======== Linux 4.14: ThinkPad X1 ......... 241.32 |===================================== KPTI + Retpoline: ThinkPad X1 ... 212.36 |================================= A4.15 retpoline ac .............. 142.80 |====================== A4.9.0-5 noretpoline AC ......... 154.60 |======================== FLAC Audio Encoding 1.3.1 WAV To FLAC Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 12.46 |=============== KPTI + Retpoline: ThinkPad W510 . 12.64 |================ Linux 4.14: ThinkPad T61 ........ 21.01 |========================== KPTI + Retpoline: ThinkPad T61 .. 21.10 |========================== Linux 4.14: ThinkPad X1 ......... 7.08 |========= KPTI + Retpoline: ThinkPad X1 ... 7.11 |========= A4.15 retpoline ac .............. 30.72 |====================================== A4.9.0-5 noretpoline AC ......... 30.28 |===================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 17.20 |========== KPTI + Retpoline: ThinkPad W510 . 17.20 |========== Linux 4.14: ThinkPad T61 ........ 16.50 |========== KPTI + Retpoline: ThinkPad T61 .. 16.37 |========== Linux 4.14: ThinkPad X1 ......... 40.95 |======================== KPTI + Retpoline: ThinkPad X1 ... 40.57 |======================== A4.15 retpoline ac .............. 64.30 |====================================== A4.9.0-5 noretpoline AC ......... 65.13 |====================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Linux 4.14: ThinkPad W510 ....... 10611.38 |================= KPTI + Retpoline: ThinkPad W510 . 8970.47 |============== Linux 4.14: ThinkPad T61 ........ 7331.48 |=========== KPTI + Retpoline: ThinkPad T61 .. 6254.06 |========== Linux 4.14: ThinkPad X1 ......... 22448.41 |=================================== KPTI + Retpoline: ThinkPad X1 ... 18798.24 |============================= Systemd Total Boot Time Test: Kernel ms < Lower Is Better Linux 4.14: ThinkPad W510 ....... 5620 |=============================== KPTI + Retpoline: ThinkPad W510 . 5800 |================================ Linux 4.14: ThinkPad T61 ........ 6760 |===================================== KPTI + Retpoline: ThinkPad T61 .. 7040 |======================================= Linux 4.14: ThinkPad X1 ......... 2670 |=============== KPTI + Retpoline: ThinkPad X1 ... 2740 |=============== A4.15 retpoline ac .............. 2570 |============== A4.9.0-5 noretpoline AC ......... 2150 |============ Go Benchmarks Test: build Nanoseconds/Operation < Lower Is Better Linux 4.14: ThinkPad W510 ....... 28364548603 |=================== KPTI + Retpoline: ThinkPad W510 . 28975972922 |=================== Linux 4.14: ThinkPad T61 ........ 32195224912 |===================== KPTI + Retpoline: ThinkPad T61 .. 34024344510 |======================= Linux 4.14: ThinkPad X1 ......... 15560772639 |========== KPTI + Retpoline: ThinkPad X1 ... 15826064487 |=========== A4.15 retpoline ac .............. 48017709204 |================================ A4.9.0-5 noretpoline AC ......... 40830050523 |=========================== Stress-NG 0.07.26 Test: Context Switching Bogo Ops/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 847639.34 |=============================== KPTI + Retpoline: ThinkPad W510 . 592191.89 |====================== Linux 4.14: ThinkPad T61 ........ 505190.48 |================== KPTI + Retpoline: ThinkPad T61 .. 340906.57 |============ Linux 4.14: ThinkPad X1 ......... 929902.85 |================================== KPTI + Retpoline: ThinkPad X1 ... 817200.34 |============================== A4.15 retpoline ac .............. 305066.72 |=========== A4.9.0-5 noretpoline AC ......... 456913.95 |================= GIMP 2.8.20 Test: unsharp-mask Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 26.92 |============================= KPTI + Retpoline: ThinkPad W510 . 31.92 |================================== Linux 4.14: ThinkPad T61 ........ 30.43 |================================= KPTI + Retpoline: ThinkPad T61 .. 35.20 |====================================== Linux 4.14: ThinkPad X1 ......... 13.50 |=============== KPTI + Retpoline: ThinkPad X1 ... 14.65 |================ GIMP 2.8.20 Test: auto-levels Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 13.33 |============================= KPTI + Retpoline: ThinkPad W510 . 16.08 |==================================== Linux 4.14: ThinkPad T61 ........ 15.15 |================================= KPTI + Retpoline: ThinkPad T61 .. 17.19 |====================================== Linux 4.14: ThinkPad X1 ......... 6.82 |=============== KPTI + Retpoline: ThinkPad X1 ... 7.30 |================ GraphicsMagick 1.3.19 Operation: Resizing Iterations Per Minute > Higher Is Better Linux 4.14: ThinkPad W510 ....... 96 |============================== KPTI + Retpoline: ThinkPad W510 . 94 |============================== Linux 4.14: ThinkPad T61 ........ 77 |======================== KPTI + Retpoline: ThinkPad T61 .. 76 |======================== Linux 4.14: ThinkPad X1 ......... 126 |======================================== KPTI + Retpoline: ThinkPad X1 ... 126 |======================================== A4.15 retpoline ac .............. 53 |================= A4.9.0-5 noretpoline AC ......... 71 |======================= Redis 3.0.1 Test: GET Requests Per Second > Higher Is Better Linux 4.14: ThinkPad W510 ....... 1303046.83 |================== KPTI + Retpoline: ThinkPad W510 . 1111278.21 |=============== Linux 4.14: ThinkPad T61 ........ 193811.62 |=== KPTI + Retpoline: ThinkPad T61 .. 129535.48 |== Linux 4.14: ThinkPad X1 ......... 2443039.00 |================================= KPTI + Retpoline: ThinkPad X1 ... 2165615.08 |============================= A4.15 retpoline ac .............. 533598.14 |======= A4.9.0-5 noretpoline AC ......... 534100.48 |======= Redis 3.0.1 Test: SET Requests Per Second > Higher Is Better Linux 4.14: ThinkPad W510 ....... 1009039.19 |==================== KPTI + Retpoline: ThinkPad W510 . 857991.64 |================= Linux 4.14: ThinkPad T61 ........ 165079.92 |=== KPTI + Retpoline: ThinkPad T61 .. 107773.49 |== Linux 4.14: ThinkPad X1 ......... 1687647.50 |================================= KPTI + Retpoline: ThinkPad X1 ... 1546283.67 |============================== A4.15 retpoline ac .............. 391801.43 |======== A4.9.0-5 noretpoline AC ......... 394665.41 |======== Redis 3.0.1 Test: LPUSH Requests Per Second > Higher Is Better Linux 4.14: ThinkPad W510 ....... 952845.39 |=================== KPTI + Retpoline: ThinkPad W510 . 791426.52 |================ Linux 4.14: ThinkPad T61 ........ 174076.98 |==== KPTI + Retpoline: ThinkPad T61 .. 108367.62 |== Linux 4.14: ThinkPad X1 ......... 1637504.48 |================================= KPTI + Retpoline: ThinkPad X1 ... 1527545.33 |=============================== A4.15 retpoline ac .............. 396807.98 |======== A4.9.0-5 noretpoline AC ......... 406260.27 |======== Systemd Total Boot Time Test: Userspace ms < Lower Is Better Linux 4.14: ThinkPad W510 ....... 42580 |================================= KPTI + Retpoline: ThinkPad W510 . 42380 |================================= Linux 4.14: ThinkPad T61 ........ 40750 |================================ KPTI + Retpoline: ThinkPad T61 .. 48450 |====================================== Linux 4.14: ThinkPad X1 ......... 21380 |================= KPTI + Retpoline: ThinkPad X1 ... 23310 |================== A4.15 retpoline ac .............. 4500 |==== A4.9.0-5 noretpoline AC ......... 4430 |=== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 42.08 |=== KPTI + Retpoline: ThinkPad W510 . 42.28 |==== Linux 4.14: ThinkPad T61 ........ 47.38 |==== KPTI + Retpoline: ThinkPad T61 .. 47.55 |==== Linux 4.14: ThinkPad X1 ......... 310.12 |========================== KPTI + Retpoline: ThinkPad X1 ... 271.02 |====================== A4.15 retpoline ac .............. 417.71 |=================================== A4.9.0-5 noretpoline AC ......... 446.17 |===================================== Go Benchmarks Test: garbage Nanoseconds/Operation < Lower Is Better Linux 4.14: ThinkPad W510 ....... 8556981 |=================== KPTI + Retpoline: ThinkPad W510 . 8578276 |=================== Linux 4.14: ThinkPad T61 ........ 15778114 |================================== KPTI + Retpoline: ThinkPad T61 .. 16135985 |=================================== Linux 4.14: ThinkPad X1 ......... 8264076 |================== KPTI + Retpoline: ThinkPad X1 ... 8414721 |================== A4.15 retpoline ac .............. 12683246 |============================ A4.9.0-5 noretpoline AC ......... 12583064 |=========================== Timed Linux Kernel Compilation 4.13 Time To Compile Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 413.19 |==================== KPTI + Retpoline: ThinkPad W510 . 427.19 |==================== Linux 4.14: ThinkPad T61 ........ 751.35 |==================================== KPTI + Retpoline: ThinkPad T61 .. 779.00 |===================================== Linux 4.14: ThinkPad X1 ......... 412.03 |==================== KPTI + Retpoline: ThinkPad X1 ... 418.30 |==================== A4.15 retpoline ac .............. 667.75 |================================ A4.9.0-5 noretpoline AC ......... 667.67 |================================ Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 63.93 |====================== KPTI + Retpoline: ThinkPad W510 . 66.84 |======================= Linux 4.14: ThinkPad T61 ........ 101.08 |=================================== KPTI + Retpoline: ThinkPad T61 .. 105.70 |===================================== Linux 4.14: ThinkPad X1 ......... 59.08 |===================== KPTI + Retpoline: ThinkPad X1 ... 60.13 |===================== Go Benchmarks Test: json Nanoseconds/Operation < Lower Is Better Linux 4.14: ThinkPad W510 ....... 47199972 |====================== KPTI + Retpoline: ThinkPad W510 . 47264907 |====================== Linux 4.14: ThinkPad T61 ........ 74630053 |=================================== KPTI + Retpoline: ThinkPad T61 .. 74753814 |=================================== Linux 4.14: ThinkPad X1 ......... 44678762 |===================== KPTI + Retpoline: ThinkPad X1 ... 44679572 |===================== A4.15 retpoline ac .............. 57437949 |=========================== A4.9.0-5 noretpoline AC ......... 57742752 |=========================== Darktable 2.2.1 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better A4.15 retpoline ac ...... 88.53 |============================================== A4.9.0-5 noretpoline AC . 72.07 |===================================== Darktable 2.2.1 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better A4.15 retpoline ac ...... 100.57 |============================================= A4.9.0-5 noretpoline AC . 83.82 |====================================== Darktable 2.2.1 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better A4.15 retpoline ac ...... 146.01 |============================================= A4.9.0-5 noretpoline AC . 121.79 |====================================== GIMP 2.8.18 Test: unsharp-mask Seconds < Lower Is Better A4.15 retpoline ac ...... 72.85 |============================================== A4.9.0-5 noretpoline AC . 66.51 |========================================== GIMP 2.8.18 Test: resize Seconds < Lower Is Better A4.15 retpoline ac ...... 15.44 |============================================== A4.9.0-5 noretpoline AC . 14.25 |========================================== GIMP 2.8.18 Test: auto-levels Seconds < Lower Is Better A4.15 retpoline ac ...... 27.31 |============================================== A4.9.0-5 noretpoline AC . 25.69 |=========================================== Stress-NG 0.07.26 Test: System V Message Passing Bogo Ops/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 3988434.84 |================================= KPTI + Retpoline: ThinkPad W510 . 1525006.60 |============= Linux 4.14: ThinkPad T61 ........ 1429892.96 |============ KPTI + Retpoline: ThinkPad T61 .. 764023.46 |====== Linux 4.14: ThinkPad X1 ......... 2221473.92 |================== KPTI + Retpoline: ThinkPad X1 ... 1731089.18 |============== A4.15 retpoline ac .............. 1424854.07 |============ A4.9.0-5 noretpoline AC ......... 1421449.17 |============ Stress-NG 0.07.26 Test: Socket Activity Bogo Ops/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 1493.17 |================================= KPTI + Retpoline: ThinkPad W510 . 1057.14 |======================= Linux 4.14: ThinkPad T61 ........ 954.02 |===================== KPTI + Retpoline: ThinkPad T61 .. 607.44 |============= Linux 4.14: ThinkPad X1 ......... 1640.05 |==================================== KPTI + Retpoline: ThinkPad X1 ... 1115.78 |======================== A4.15 retpoline ac .............. 639.17 |============== A4.9.0-5 noretpoline AC ......... 918.06 |==================== GIMP 2.8.20 Test: resize Seconds < Lower Is Better Linux 4.14: ThinkPad W510 ....... 8.56 |============================= KPTI + Retpoline: ThinkPad W510 . 10.72 |===================================== Linux 4.14: ThinkPad T61 ........ 9.44 |================================ KPTI + Retpoline: ThinkPad T61 .. 11.10 |====================================== Linux 4.14: ThinkPad X1 ......... 3.57 |============ KPTI + Retpoline: ThinkPad X1 ... 3.94 |============= FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better Linux 4.14: ThinkPad W510 ....... 16.78 |============ KPTI + Retpoline: ThinkPad W510 . 16.78 |============ Linux 4.14: ThinkPad T61 ........ 15.30 |=========== KPTI + Retpoline: ThinkPad T61 .. 15.15 |=========== Linux 4.14: ThinkPad X1 ......... 42.17 |============================== KPTI + Retpoline: ThinkPad X1 ... 39.73 |============================ A4.15 retpoline ac .............. 52.42 |===================================== A4.9.0-5 noretpoline AC ......... 53.17 |======================================