deepseek-ai/DeepSpec
DeepSpec: a full-stack codebase for training and evaluating speculative decoding algorithms
GitHub 
11K
lines of main code
71 files
0
lines of test code
0 files
0.4K
lines of other code
8 files
<1y
age
101 days
100%
main code touched
1 year (11K LOC)
9.7K
py
JSONL
1.6K
jsonl
30 days 2026
+0
-0
+105
-83
0

52

0

14

0

4

2026
Rule-of-thumb estimates

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rebuild value

Maintenance effort

per year to maintain
maintenance cost per year
Rules of thumb, not measurements: one man-year rebuilds about 10,000 lines of main code (design, testing and coordination included), and keeping a code base alive takes about 15% of its rebuild value per year (20 man-years of rebuild value need about 3 man-years of maintenance every year). Your changes are remembered in this browser for every report.