twitter / the-algorithm
Unit Size

The distribution of size of units (measured in lines of code).

Intro
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Unit Size Overall
7% | 12% | 32% | 23% | 23%
Legend:
101+
51-100
21-50
11-20
1-10
Unit Size per Extension
101+
51-100
21-50
11-20
1-10
scala9% | 14% | 35% | 25% | 14%
java4% | 7% | 24% | 19% | 44%
py7% | 14% | 38% | 19% | 19%
cpp1% | 20% | 41% | 18% | 17%
rs0% | 18% | 44% | 22% | 14%
h0% | 16% | 20% | 13% | 50%
Unit Size per Logical Component
primary logical decomposition
101+
51-100
21-50
11-20
1-10
src6% | 11% | 31% | 23% | 27%
tweetypie16% | 13% | 29% | 21% | 17%
cr-mixer20% | 4% | 37% | 24% | 12%
home-mixer11% | 13% | 38% | 24% | 11%
visibilitylib9% | 16% | 25% | 29% | 18%
product-mixer5% | 9% | 35% | 28% | 20%
twml6% | 15% | 40% | 18% | 18%
pushservice3% | 19% | 42% | 23% | 10%
timelines9% | 10% | 31% | 33% | 15%
follow-recommendations-service2% | 9% | 44% | 25% | 17%
representation-scorer23% | 23% | 38% | 7% | 6%
topic-social-proof10% | 11% | 42% | 24% | 10%
recos-injector8% | 11% | 35% | 29% | 15%
ann<1% | 4% | 14% | 10% | 70%
timelineranker2% | 13% | 38% | 24% | 21%
unified_user_actions0% | 37% | 21% | 23% | 17%
simclusters-ann0% | 42% | 30% | 11% | 15%
navi0% | 18% | 44% | 22% | 14%
graph-feature-service0% | 20% | 45% | 23% | 10%
trust_and_safety_models0% | 4% | 39% | 26% | 29%
user-signal-service0% | 0% | 53% | 21% | 25%
representation-manager0% | 0% | 34% | 52% | 12%
Alternative Visuals
Longest Units
Top 50 longest units
Unit# linesMcCabe index# params
565 5 5
488 20 50
483 4 6
477 1 10
472 1 1
429 3 2
379 36 21
310 2 2
301 3 10
285 15 1
270 8 8
258 14 3
257 55 1
238 28 10
232 34 2
231 1 0
230 1 10
222 14 1
213 3 1
212 1 2
210 45 1
201 3 14
201 45 1
200 21 1
195 15 1
193 4 7
193 6 2
190 24 2
189 68 1
189 2 2
189 3 1
184 1 5
180 14 7
179 1 0
178 63 1
170 6 6
167 31 5
166 38 5
164 7 16
160 24 7
152 16 1
151 9 4
149 13 5
148 29 3
148 11 2
147 1 0
145 6 57
145 9 1
143 1 1
141 45 2