foot/doc/benchmark.md

Benchmarks

vtebench

All benchmarks are done using vtebench:

./target/release/vtebench -b ./benchmarks --dat /tmp/<terminal>

2021-06-25

System

CPU: i9-9900

RAM: 64GB

Graphics: Radeon RX 5500XT

Terminal configuration

Geometry: 2040x1884

Font: Fantasque Sans Mono 10.00pt/23px

Scrollback: 10000 lines

Results

Benchmark (times in ms)	Foot (GCC+PGO) 1.9.2	Foot 1.9.2	Alacritty 0.9.0	URxvt 9.26	XTerm 369
cursor motion	13.69	15.63	29.16	23.69	1341.75
dense cells	40.77	50.76	92.39	13912.00	1959.00
light cells	5.41	6.49	12.25	16.14	66.21
scrollling	125.43	133.00	110.90	98.29	4010.67
scrolling bottom region	111.90	103.95	106.35	103.65	3787.00
scrolling bottom small region	120.93	112.48	129.61	137.21	3796.67
scrolling fullscreen	5.42	5.67	11.52	12.00	124.33
scrolling top region	110.66	107.61	100.52	340.90	3835.33
scrolling top small region	120.48	111.66	129.62	213.72	3805.33
unicode	10.19	11.27	14.72	787.77	4741.00

2021-03-20

System

CPU: i5-8250U

RAM: 8GB

Graphics: Intel UHD Graphics 620

Terminal configuration

Geometry: 945x1020

Font: Dina:pixelsize=12

Scrollback=10000 lines

Results

Benchmark (times in ms)	Foot (GCC+PGO) 1.9.2	Foot 1.9.2	Alacritty 0.9.0	URxvt 9.26	XTerm 369
cursor motion	13.50	16.32	27.10	23.46	1415.38
dense cells	38.77	53.13	89.36	2007.00	2126.60
light cells	7.73	8.72	20.35	21.06	113.34
scrollling	150.27	153.76	145.07	139.23	10088.00
scrolling bottom region	144.88	148.44	129.13	156.86	10166.00
scrolling bottom small region	142.45	137.81	167.63	183.35	9831.50
scrolling fullscreen	11.23	11.91	20.12	21.21	290.80
scrolling top region	143.80	147.37	148.63	489.57	10029.00
scrolling top small region	139.76	144.37	165.97	308.76	9877.00
unicode	21.94	21.50	27.72	1344.88	7402.00