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 1801247-AL-1801112FO88
Jump To Table - Results

View

Do Not Show Noisy Results
Do Not Show Results With Incomplete Data
Do Not Show Results With Little Change/Spread
List Notable Results

Limit displaying results to tests within:

Timed Code Compilation 2 Tests
C/C++ Compiler Tests 5 Tests
CPU Massive 11 Tests
Creator Workloads 4 Tests
Database Test Suite 3 Tests
Disk Test Suite 3 Tests
Imaging 3 Tests
Common Kernel Benchmarks 3 Tests
Multi-Core 4 Tests
Programmer / Developer System Benchmarks 2 Tests
Server 4 Tests
Server CPU Tests 4 Tests
Single-Threaded 2 Tests

Statistics

Show Overall Harmonic Mean(s)
Show Overall Geometric Mean
Show Geometric Means Per-Suite/Category
Show Wins / Losses Counts (Pie Chart)
Normalize Results
Remove Outliers Before Calculating Averages

Graph Settings

Force Line Graphs Where Applicable
Convert To Scalar Where Applicable
Prefer Vertical Bar Graphs
On Line Graphs With Missing Data, Connect The Line Gaps

Multi-Way Comparison

Condense Comparison
Transpose Comparison

Table

Show Detailed System Result Table

Run Management

Highlight
Result
Hide
Result
Result
Identifier
View Logs
Performance Per
Dollar
Date
Run
  Test
  Duration
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
 
KPTI + Retpoline: ThinkPad W520
January 24 2018
 
Invert Hiding All Results Option
 

Only show results where is faster than
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):


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 KPTI + Retpoline: ThinkPad W520: Processor: Intel Core i7-2630QM @ 2.90GHz (4 Cores / 8 Threads), Motherboard: LENOVO 42844DG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 120GB GOODRAM + 250GB Crucial_CT250MX2, Graphics: NVC1 2048MB, Audio: Conexant CX20590, Network: Intel 82579LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Fedora 27, Kernel: 4.14.14-300.fc27.x86_64 (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: Wayland, Display Driver: modesetting 1.19.5, OpenGL: 4.3 Mesa 17.2.4, OpenCL: OpenCL 1.1 Mesa 17.2.4, Vulkan: 1.0.61, Compiler: CUDA 9.1, File-System: ext4, Screen Resolution: 1600x900 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 |============================= KPTI + Retpoline: ThinkPad W520 . 8222.33 |============= 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 |==================== KPTI + Retpoline: ThinkPad W520 . 489.93 |===================================== 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 |================================= KPTI + Retpoline: ThinkPad W520 . 174.17 |=========================== 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 |======= 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 |==== 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 |==== Darktable darktable-2.4.0-2.fc27 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 40.52 |====================================== Darktable darktable-2.4.0-2.fc27 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 18.18 |====================================== Darktable darktable-2.4.0-2.fc27 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 14.16 |====================================== 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 |============= KPTI + Retpoline: ThinkPad W520 . 10.04 |================== 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 |==================== KPTI + Retpoline: ThinkPad W520 . 75.40 |====================================== 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 |=================== KPTI + Retpoline: ThinkPad W520 . 80.30 |====================================== 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 |============= 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 |================ 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 2.8.22 Test: resize Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 7.79 |======================================= GIMP 2.8.22 Test: auto-levels Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 12.25 |====================================== GIMP 2.8.22 Test: unsharp-mask Seconds < Lower Is Better KPTI + Retpoline: ThinkPad W520 . 21.73 |====================================== 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 |===================== KPTI + Retpoline: ThinkPad W520 . 24442493 |=========== 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 |=============== KPTI + Retpoline: ThinkPad W520 . 21004212345 |==================== 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 |================== KPTI + Retpoline: ThinkPad W520 . 4822830 |========== 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 |======================================== KPTI + Retpoline: ThinkPad W520 . 125 |======================================== 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 |============== KPTI + Retpoline: ThinkPad W520 . 3999.52 |==================================== 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 |=============================== KPTI + Retpoline: ThinkPad W520 . 988155.77 |==================== 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 |============================= KPTI + Retpoline: ThinkPad W520 . 1359643.17 |================== 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 |============================== KPTI + Retpoline: ThinkPad W520 . 1039511.09 |==================== 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 |====== KPTI + Retpoline: ThinkPad W520 . 96.50 |======= 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 |======================== KPTI + Retpoline: ThinkPad W520 . 845.03 |=================== 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 |======================= KPTI + Retpoline: ThinkPad W520 . 1167680.61 |================================= 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 |============== KPTI + Retpoline: ThinkPad W520 . 955573.88 |======== 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 |======================== KPTI + Retpoline: ThinkPad W520 . 50413 |=================================== 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 |=============== KPTI + Retpoline: ThinkPad W520 . 2217 |============ 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 |================== KPTI + Retpoline: ThinkPad W520 . 34208 |=========================== 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 |===================== KPTI + Retpoline: ThinkPad W520 . 43.37 |=============== 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 |==================== KPTI + Retpoline: ThinkPad W520 . 247.40 |============