deepseek-ai/DeepSelect
DeepSelect: TopK kernels for DeepSeek Sparse Attention (DSA) and Samplers
GitHub 
4.6K
lines of main code
98 files
1K
lines of test code
12 files
0.4K
lines of other code
4 files
<1y
age
27 days
100%
main code touched
1 year (4.6K LOC)
2.4K
cuh
ASC
0.9K
asc
0.5K
cu
0.3K
h
0.2K
cpp
0.2K
py
30 days 2026
+1.4K
-128
+1.4K
-128
13

13

3

3

1

1

2026
Rule-of-thumb estimates

Rebuild value

to rebuild
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.