Velin benchmarks

Velin 0.5.0

In a note of 5,000 lines, in spaces of 10,000 and 100,000 notes.

Measure	10,000 notes	100,000 notes	Target
From a key press to the letter on screen 95th percentile	6.5ms	6.4ms	8ms
Work for a key press median	2.0ms	1.9ms	–
To draw a frame while scrolling 95th percentile	2.4ms	2.5ms	8ms
To draw a frame while scrolling slowest	3.8ms	3.8ms	–

Measure	10,000 notes	100,000 notes	Target
To search every note 95th percentile	9.3ms	13ms	50ms
To search every note median	1.2ms	2.7ms	–
To search every note slowest	11ms	15ms	–
To find a note by name median	0.04ms	0.17ms	–
To find a note by name slowest	0.59ms	4.3ms	16ms

Measure	10,000 notes	100,000 notes	Target
From launch to your space on screen, as you left it median of three	0.20s	0.20s	0.3s
From launch until search is ready median of three	0.38s	0.39s	–
To the first frame, opened behind other windows	0.24s	0.32s	–

Measure	Empty space	10,000 notes	100,000 notes	Target
With the space openTarget 150 MB at 10,000 notes, 300 MB at 100,000.	89MB	100MB	123MB	300MB
With twenty notes open in tabs	–	111MB	130MB	–
More memory after opening and closing two hundred tabs	–	0.4%	0.2%	5%

Each over a minute, with the window in front. Typing and scrolling were measured on 10,000 notes.

Measure	10,000 notes	100,000 notes	Target
Processor at rest average	1.3%	1.3%	1.5%
Power at rest average	0.98mW	0.89mW	–
Processor while typing average	14%	–	–
Processor while scrolling average	25%	–	–

One large file of each kind, opened and then scrolled. Frame target 8 ms.

File	Frame, 95th percentile	Slowest work
TableA CSV of 100,000 rows.	5.3ms	40ms
Sheet5,000 rows of formulas. Scrolling is just above the 8 ms target in this release.	8.0ms	213ms
Board500 cards.	7.7ms	–
Canvas300 cards.	5.4ms	0.1ms
Dashboard	7.3ms	175ms
PDF	4.6ms	17ms

Earlier releases

In a note of 5,000 lines, in spaces of 10,000 and 100,000 notes.

Measure	10,000 notes	100,000 notes	Target
From a key press to the letter on screen 95th percentile	6.3ms	6.1ms	8ms
Work for a key press median	1.8ms	1.6ms	–
To draw a frame while scrolling 95th percentile	2.2ms	2.2ms	8ms
To draw a frame while scrolling slowest	3.4ms	3.0ms	–

Measure	10,000 notes	100,000 notes	Target
To search every note 95th percentile	10ms	21ms	50ms
To search every note median	1.3ms	2.6ms	–
To search every note slowest	12ms	27ms	–
To find a note by name median	0.03ms	0.15ms	–
To find a note by name slowest	0.55ms	4.0ms	16ms

Measure	10,000 notes	100,000 notes	Target
From launch to your space on screen, as you left it median of three	0.21s	0.21s	0.3s
From launch until search is ready median of three	0.37s	0.45s	–
To the first frame, opened behind other windows	0.31s	0.33s	–

Measure	Empty space	10,000 notes	100,000 notes	Target
With the space openTarget 150 MB at 10,000 notes, 300 MB at 100,000.	80MB	102MB	138MB	300MB
With twenty notes open in tabs	–	115MB	142MB	–
More memory after opening and closing two hundred tabs	–	0.3%	1.3%	5%

Each over a minute, with the window in front. Typing and scrolling were measured on 10,000 notes.

Measure	10,000 notes	100,000 notes	Target
Processor at rest average	1.3%	1.3%	1.5%
Power at rest average	0.97mW	0.88mW	–
Processor while typing average	16%	–	–
Power while typing average	73mW	–	–
Processor while scrolling average	23%	–	–
Power while scrolling average	90mW	–	–

One large file of each kind, opened and then scrolled. Frame target 8 ms.

File	Opens in	Frame, 95th percentile	Slowest work
TableA CSV of 100,000 rows.	21ms	4.8ms	35ms
Sheet5,000 rows of formulas.	8ms	5.7ms	192ms
Board500 cards. Scrolling is above the 8 ms target in this release.	10ms	10.2ms	–
Canvas300 cards.	11ms	5.0ms	0.1ms
Dashboard	11ms	6.4ms	154ms
PDF	13ms	4.1ms	19ms