Re: -warmup

[Ahmet Göksu]

hi,
here is the results with chris’ suggestion. (thanks chris)
i will check hyperfine.
still a bit noise on only load and load_advances.
are results acceptable?

Best,

Goksu

goksu.in

On 28 Aug 2023 21:19 +0300, Werner LEMBERG <wl@gnu.org>, wrote:

code

Freetype Benchmark Results

Warning: Baseline and Benchmark have the same commit ID!

Info

Info	Baseline	Benchmark
Parameters	-c 750 -w 50	-c 750 -w 50
Commit ID	f3dfede6	f3dfede6
Commit Date	2023-08-18 17:42:53 +0300	2023-08-18 17:42:53 +0300
Branch	GSoC-2023-Ahmet	GSoC-2023-Ahmet

* Average time for single iteration. Smaller values are better.

** N count in (x | y) format is for showing baseline and benchmark N counts seperately when they differs.

Total Results

Test	N	Baseline (µs)	Benchmark (µs)	Difference (%)
Load	375000	3535.9	3622.3	-2.4
Load_Advances (Normal)	375000	3057.8	3133.8	-2.5
Load_Advances (Fast)	375000	10.9	12.5	-14.7
Load_Advances (Unscaled)	375000	10.0	10.6	-6.0
Render	375000	4772.2	4796.7	-0.5
Get_Glyph	375000	3418.7	3415.2	0.1
Get_Char_Index	352500	9.1	9.1	0.0
Iterate CMap	3750	6.5	6.5	0.0
New_Face	3750	241.5	239.9	0.7
Embolden	375000	3798.9	3780.3	0.5
Stroke	292750 | 288000	18049.3	18067.9	-0.1
Get_BBox	375000	2826.3	2764.2	2.2
Get_CBox	375000	3473.4	3421.9	1.5
New_Face & load glyph(s)	375000	555.6	585.6	-5.4
TOTAL	4402750 | 4398000	43766.1	43866.5	-0.2

Results for Roboto_subset.ttf

Test	N	* Baseline (µs)	* Benchmark (µs)	Difference (%)
Load	90000	583.3	575.1	1.4
Load_Advances (Normal)	90000	487.7	503.3	-3.2
Load_Advances (Fast)	90000	2.6	4.1	-57.7
Load_Advances (Unscaled)	90000	2.4	2.4	0.0
Render	90000	934.1	941.8	-0.8
Get_Glyph	90000	582.7	597.7	-2.6
Get_Char_Index	70500	1.8	1.8	0.0
Iterate CMap	750	1.3	1.3	0.0
New_Face	750	42.5	41.4	2.6
Embolden	90000	642.9	655.9	-2.0
Stroke	60000	4008.7	4043.7	-0.9
Get_BBox	90000	167.6	139.3	16.9
Get_CBox	90000	592.1	602.3	-1.7
New_Face & load glyph(s)	90000	105.0	105.0	0.0
TOTAL	2064000	8154.7	8215.1	0.7

Results for Arial_subset.ttf

Test	N	* Baseline (µs)	* Benchmark (µs)	Difference (%)
Load	71250	812.8	934.1	-14.9
Load_Advances (Normal)	71250	733.1	793.3	-8.2
Load_Advances (Fast)	71250	2.0	2.1	-5.0
Load_Advances (Unscaled)	71250	1.9	1.9	0.0
Render	71250	1083.0	1067.4	1.4
Get_Glyph	71250	791.0	789.8	0.2
Get_Char_Index	70500	1.8	1.8	0.0
Iterate CMap	750	1.3	1.3	0.0
New_Face	750	51.8	50.0	3.5
Embolden	71250	874.9	855.0	2.3
Stroke	57000	3480.9	3439.5	1.2
Get_BBox	71250	761.9	725.2	4.8
Get_CBox	71250	815.3	787.5	3.4
New_Face & load glyph(s)	71250	110.7	109.3	1.3
TOTAL	1683000	9522.4	9558.2	0.4

Results for TimesNewRoman_subset.ttf

Test	N	* Baseline (µs)	* Benchmark (µs)	Difference (%)
Load	71250	973.9	944.3	3.0
Load_Advances (Normal)	71250	876.2	859.0	2.0
Load_Advances (Fast)	71250	2.1	2.1	0.0
Load_Advances (Unscaled)	71250	1.9	1.9	0.0
Render	71250	1202.7	1191.1	1.0
Get_Glyph	71250	945.6	922.5	2.4
Get_Char_Index	70500	1.8	1.8	0.0
Iterate CMap	750	1.3	1.3	0.0
New_Face	750	53.6	54.1	-0.9
Embolden	71250	1059.5	1037.2	2.1
Stroke	42750	4599.4	4579.5	0.4
Get_BBox	71250	895.5	887.5	0.9
Get_CBox	71250	966.3	917.1	5.1
New_Face & load glyph(s)	71250	135.2	168.5	-24.6
TOTAL	1654500	11715.0	11567.9	-1.3

Results for Tahoma_subset.ttf

Test	N	* Baseline (µs)	* Benchmark (µs)	Difference (%)
Load	71250	572.0	570.3	0.3
Load_Advances (Normal)	71250	469.6	525.8	-12.0
Load_Advances (Fast)	71250	2.1	2.1	0.0
Load_Advances (Unscaled)	71250	1.9	2.5	-31.6
Render	71250	785.6	801.5	-2.0
Get_Glyph	71250	560.0	564.4	-0.8
Get_Char_Index	70500	1.8	1.8	0.0
Iterate CMap	750	1.3	1.3	0.0
New_Face	750	47.1	47.1	0.0
Embolden	71250	623.4	631.7	-1.3
Stroke	66500 | 61750	3024.6	3037.9	-0.4
Get_BBox	71250	509.0	516.8	-1.5
Get_CBox	71250	559.1	568.7	-1.7
New_Face & load glyph(s)	71250	103.7	101.9	1.7
TOTAL	1697250	7261.2	7373.8	1.6

Results for Verdana_subset.ttf

Test	N	* Baseline (µs)	* Benchmark (µs)	Difference (%)
Load	71250	593.9	598.5	-0.8
Load_Advances (Normal)	71250	491.2	452.4	7.9
Load_Advances (Fast)	71250	2.1	2.1	0.0
Load_Advances (Unscaled)	71250	1.9	1.9	0.0
Render	71250	766.8	794.9	-3.7
Get_Glyph	71250	539.4	540.8	-0.3
Get_Char_Index	70500	1.9	1.9	0.0
Iterate CMap	750	1.3	1.3	0.0
New_Face	750	46.5	47.3	-1.7
Embolden	71250	598.2	600.5	-0.4
Stroke	66500	2935.7	2967.3	-1.1
Get_BBox	71250	492.3	495.4	-0.6
Get_CBox	71250	540.6	546.3	-1.1
New_Face & load glyph(s)	71250	101.0	100.9	0.1
TOTAL	1702000	7112.8	7151.5	0.5

Freetype Benchmark