deepseek-ai/DeepSelect
File Churn
File change frequency (churn) shows the distribution of file updates (days with at least one commit).
Overview
File Change Frequency Overall
  • There are 10 files with 3,708 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 0 files changed 6-20 times (0 lines of code)
    • 10 files changed 1-5 times (3,708 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 10 files with 3,708 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 0 files changed by 6-10 contributors (0 lines of code)
    • 0 files changed by 2-5 contributors (0 lines of code)
    • 10 files changed by 1 contributor (3,708 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
cu, py, h, cuh, md, txt, gitignore, asc, cpp, gitmodules
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
cuh0% | 0% | 0% | 0% | 100%
asc0% | 0% | 0% | 0% | 100%
h0% | 0% | 0% | 0% | 100%
cpp0% | 0% | 0% | 0% | 100%
py0% | 0% | 0% | 0% | 100%
cu0% | 0% | 0% | 0% | 0%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
csrc0% | 0% | 0% | 0% | 100%
deep_select0% | 0% | 0% | 0% | 100%
scripts0% | 0% | 0% | 0% | 0%
Most Frequently Changed Files (Top 50)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
structs.h
in csrc
 54 - 2026-09-10 2026-09-30 2 1 +51 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
interface.py
in deep_select
 64 4 2026-09-10 2026-09-30 2 1 +25 / -10 shengyuliu@deepseek.com shengyuliu@deepseek.com
api.cpp
in csrc
 217 2 2026-09-10 2026-09-30 2 1 +79 / -29 shengyuliu@deepseek.com shengyuliu@deepseek.com
kernel.h
in csrc/ascend_kernels
 12 - 2026-09-30 2026-09-30 1 1 +19 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3
 124 - 2026-09-10 2026-09-10 1 1 +4 / -1 shengyuliu@deepseek.com shengyuliu@deepseek.com
config.h
in csrc/ascend_kernels
 173 5 2026-09-30 2026-09-30 1 1 +245 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_cluster
 261 - 2026-09-10 2026-09-10 1 1 +9 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_fp32
 532 - 2026-09-10 2026-09-10 1 1 +21 / -23 shengyuliu@deepseek.com shengyuliu@deepseek.com
asc
kernel.asc
in csrc/ascend_kernels
 896 - 2026-09-30 2026-09-30 1 1 +946 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
common_parts.cuh
in csrc/cuda_kernels
 1375 - 2026-09-10 2026-09-10 1 1 +32 / -49 shengyuliu@deepseek.com shengyuliu@deepseek.com
__version__.py
in deep_select
 1 -
__init__.py
in deep_select
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Files With Most Churn (Top 50)
Based on the number of lines added and deleted across all commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
asc
kernel.asc
in csrc/ascend_kernels
 896 - 2026-09-30 2026-09-30 1 1 +946 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
config.h
in csrc/ascend_kernels
 173 5 2026-09-30 2026-09-30 1 1 +245 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
api.cpp
in csrc
 217 2 2026-09-10 2026-09-30 2 1 +79 / -29 shengyuliu@deepseek.com shengyuliu@deepseek.com
common_parts.cuh
in csrc/cuda_kernels
 1375 - 2026-09-10 2026-09-10 1 1 +32 / -49 shengyuliu@deepseek.com shengyuliu@deepseek.com
structs.h
in csrc
 54 - 2026-09-10 2026-09-30 2 1 +51 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_fp32
 532 - 2026-09-10 2026-09-10 1 1 +21 / -23 shengyuliu@deepseek.com shengyuliu@deepseek.com
interface.py
in deep_select
 64 4 2026-09-10 2026-09-30 2 1 +25 / -10 shengyuliu@deepseek.com shengyuliu@deepseek.com
kernel.h
in csrc/ascend_kernels
 12 - 2026-09-30 2026-09-30 1 1 +19 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_cluster
 261 - 2026-09-10 2026-09-10 1 1 +9 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3
 124 - 2026-09-10 2026-09-10 1 1 +4 / -1 shengyuliu@deepseek.com shengyuliu@deepseek.com
__version__.py
in deep_select
 1 -
__init__.py
in deep_select
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Files With Most Contributors (Top 50)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
api.cpp
in csrc
 217 2 2026-09-10 2026-09-30 2 1 +79 / -29 shengyuliu@deepseek.com shengyuliu@deepseek.com
structs.h
in csrc
 54 - 2026-09-10 2026-09-30 2 1 +51 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
interface.py
in deep_select
 64 4 2026-09-10 2026-09-30 2 1 +25 / -10 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_cluster
 261 - 2026-09-10 2026-09-10 1 1 +9 / -8 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3_fp32
 532 - 2026-09-10 2026-09-10 1 1 +21 / -23 shengyuliu@deepseek.com shengyuliu@deepseek.com
common_parts.cuh
in csrc/cuda_kernels
 1375 - 2026-09-10 2026-09-10 1 1 +32 / -49 shengyuliu@deepseek.com shengyuliu@deepseek.com
topk_select.cuh
in csrc/cuda_kernels/v3
 124 - 2026-09-10 2026-09-10 1 1 +4 / -1 shengyuliu@deepseek.com shengyuliu@deepseek.com
config.h
in csrc/ascend_kernels
 173 5 2026-09-30 2026-09-30 1 1 +245 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
asc
kernel.asc
in csrc/ascend_kernels
 896 - 2026-09-30 2026-09-30 1 1 +946 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
kernel.h
in csrc/ascend_kernels
 12 - 2026-09-30 2026-09-30 1 1 +19 / -0 shengyuliu@deepseek.com shengyuliu@deepseek.com
57 -
utils.cuh
in csrc/cuda_kernels
 48 -
config.h
in csrc/cuda_kernels
 25 -
bit_utils.cuh
in csrc/cuda_kernels
 82 -
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topk_select.h
in csrc/cuda_kernels/v3_cluster
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Files With Least Contributors (Top 50)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
118 4
bit_utils.cuh
in csrc/cuda_kernels
 82 -
57 -
utils.cuh
in csrc/cuda_kernels
 48 -
config.h
in csrc/cuda_kernels
 25 -
topk_select.h
in csrc/cuda_kernels/v3_cluster
 8 -
topk_select.h
in csrc/cuda_kernels/v3_fp32
 8 -
topk_select.h
in csrc/cuda_kernels/v3
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Correlations

File Size vs. Number of Changes: 10 points

csrc/api.cpp x: 217 lines of code y: 2 # changes csrc/ascend_kernels/config.h x: 173 lines of code y: 1 # changes csrc/ascend_kernels/kernel.asc x: 896 lines of code y: 1 # changes csrc/ascend_kernels/kernel.h x: 12 lines of code y: 1 # changes csrc/structs.h x: 54 lines of code y: 2 # changes deep_select/interface.py x: 64 lines of code y: 2 # changes csrc/cuda_kernels/common_parts.cuh x: 1375 lines of code y: 1 # changes csrc/cuda_kernels/v3/topk_select.cuh x: 124 lines of code y: 1 # changes csrc/cuda_kernels/v3_cluster/topk_select.cuh x: 261 lines of code y: 1 # changes csrc/cuda_kernels/v3_fp32/topk_select.cuh x: 532 lines of code y: 1 # changes
2.0
# changes
  min: 1.0
  average: 1.3
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 2.0
0 1375.0
lines of code
min: 12.0 | average: 370.8 | 25th percentile: 61.5 | median: 195.0 | 75th percentile: 623.0 | max: 1375.0

Number of Contributors vs. Number of Changes: 10 points

csrc/api.cpp x: 1 # contributors y: 2 # changes csrc/ascend_kernels/config.h x: 1 # contributors y: 1 # changes
2.0
# changes
  min: 1.0
  average: 1.3
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 2.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

Number of Contributors vs. File Size: 10 points

csrc/api.cpp x: 1 # contributors y: 217 lines of code csrc/ascend_kernels/config.h x: 1 # contributors y: 173 lines of code csrc/ascend_kernels/kernel.asc x: 1 # contributors y: 896 lines of code csrc/ascend_kernels/kernel.h x: 1 # contributors y: 12 lines of code csrc/structs.h x: 1 # contributors y: 54 lines of code deep_select/interface.py x: 1 # contributors y: 64 lines of code csrc/cuda_kernels/common_parts.cuh x: 1 # contributors y: 1375 lines of code csrc/cuda_kernels/v3/topk_select.cuh x: 1 # contributors y: 124 lines of code csrc/cuda_kernels/v3_cluster/topk_select.cuh x: 1 # contributors y: 261 lines of code csrc/cuda_kernels/v3_fp32/topk_select.cuh x: 1 # contributors y: 532 lines of code
1375.0
lines of code
  min: 12.0
  average: 370.8
  25th percentile: 61.5
  median: 195.0
  75th percentile: 623.0
  max: 1375.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

Number of Changes vs. Line Churn: 31 points

README.md x: 2 # changes y: 33 line churn csrc/3rdparty/kerutils/README.md x: 1 # changes y: 3 line churn csrc/3rdparty/kerutils/include/kerutils/common/common.h x: 1 # changes y: 30 line churn csrc/3rdparty/kerutils/include/kerutils/device/ascend/common.h x: 1 # changes y: 15 line churn csrc/3rdparty/kerutils/include/kerutils/device/device.cuh x: 1 # changes y: 4 line churn csrc/3rdparty/kerutils/include/kerutils/kerutils_for_ascend_npu.h x: 1 # changes y: 67 line churn csrc/api.cpp x: 2 # changes y: 108 line churn csrc/ascend_kernels/config.h x: 1 # changes y: 245 line churn csrc/ascend_kernels/kernel.asc x: 1 # changes y: 946 line churn csrc/ascend_kernels/kernel.h x: 1 # changes y: 19 line churn csrc/structs.h x: 2 # changes y: 59 line churn deep_select/interface.py x: 2 # changes y: 35 line churn setup.py x: 1 # changes y: 77 line churn tests/kernelkit/bench.py x: 1 # changes y: 87 line churn tests/kernelkit/platform.py x: 1 # changes y: 8 line churn tests/kernelkit/stress.py x: 1 # changes y: 339 line churn tests/lib.py x: 2 # changes y: 50 line churn csrc/cuda_kernels/common_parts.cuh x: 1 # changes y: 81 line churn csrc/cuda_kernels/v3_fp32/topk_select.cuh x: 1 # changes y: 44 line churn docs/DeepSelect-deep-dive.md x: 1 # changes y: 120 line churn docs/DeepSelect-deep-dive.zh.md x: 1 # changes y: 119 line churn
946.0
line churn
  min: 2.0
  average: 85.61
  25th percentile: 15.0
  median: 33.0
  75th percentile: 81.0
  max: 946.0
0 2.0
# changes
min: 1.0 | average: 1.19 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 2.0

Number of Contributors vs. Line Churn: 10 points

csrc/api.cpp x: 1 # contributors y: 108 line churn csrc/ascend_kernels/config.h x: 1 # contributors y: 245 line churn csrc/ascend_kernels/kernel.asc x: 1 # contributors y: 946 line churn csrc/ascend_kernels/kernel.h x: 1 # contributors y: 19 line churn csrc/structs.h x: 1 # contributors y: 59 line churn deep_select/interface.py x: 1 # contributors y: 35 line churn csrc/cuda_kernels/common_parts.cuh x: 1 # contributors y: 81 line churn csrc/cuda_kernels/v3/topk_select.cuh x: 1 # contributors y: 5 line churn csrc/cuda_kernels/v3_cluster/topk_select.cuh x: 1 # contributors y: 17 line churn csrc/cuda_kernels/v3_fp32/topk_select.cuh x: 1 # contributors y: 44 line churn
946.0
line churn
  min: 5.0
  average: 155.9
  25th percentile: 18.5
  median: 51.5
  75th percentile: 142.25
  max: 946.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

File Size vs. Line Churn: 10 points

csrc/api.cpp x: 217 lines of code y: 108 line churn csrc/ascend_kernels/config.h x: 173 lines of code y: 245 line churn csrc/ascend_kernels/kernel.asc x: 896 lines of code y: 946 line churn csrc/ascend_kernels/kernel.h x: 12 lines of code y: 19 line churn csrc/structs.h x: 54 lines of code y: 59 line churn deep_select/interface.py x: 64 lines of code y: 35 line churn csrc/cuda_kernels/common_parts.cuh x: 1375 lines of code y: 81 line churn csrc/cuda_kernels/v3/topk_select.cuh x: 124 lines of code y: 5 line churn csrc/cuda_kernels/v3_cluster/topk_select.cuh x: 261 lines of code y: 17 line churn csrc/cuda_kernels/v3_fp32/topk_select.cuh x: 532 lines of code y: 44 line churn
946.0
line churn
  min: 5.0
  average: 155.9
  25th percentile: 18.5
  median: 51.5
  75th percentile: 142.25
  max: 946.0
0 1375.0
lines of code
min: 12.0 | average: 370.8 | 25th percentile: 61.5 | median: 195.0 | 75th percentile: 623.0 | max: 1375.0