Contributors · deepseek-ai/FlashMLA

Zoomable circles (number of contributors per file): 30 days | 90 days | 6 months | past year | all time

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Contributors

Recent Contributors (4)

Committed in past 6 months (a rookie = the first commit in past year)

Past 30 days (2):

shengyuliu@deepseek.com

novelnexusai@outlook.com

Past 31 to 90 days (1):

zaristei@berkeley.edu

Past 91 to 180 days (1):

67892460+perkzzheng@users.noreply.github.com

Historical Contributors (18)

Last contributors more than 6 months ago

31004720+beginlner@users.noreply.github.com

js.li@high-flyer.cn

450993438@qq.com

mowencangtian@qq.com

zeyuw@nvidia.com

sijiac@meta.com

dianzhangc@nvidia.com

zheng.size@bytedance.com

simon.mo@hey.com

lixiang99410@126.com

uchihatmtkinu@gmail.com

hollowman@opensuse.org

interestinglsy@gmail.com

yangsijia.614@bytedance.com

chunyang.wen@gmail.com

tangshao28@gmail.com

dvacheng@gmail.com

zmhzc@tju.edu.cn

Contributors Matrix (Per Month)

					-	2	-	1	-	-	1	1	1	2	-	-	-	4	5	-	-	-	4	2	10	-	-	-	-
commits					-	4	-	1	-	-	1	1	1	3	-	-	-	13	6	-	-	-	7	2	25	-	-	-	-
line churn					-	+53K -50K	-	+9 -0	-	-	+5 -4	+6 -6	+12 -2	+14K -8.4K	-	-	-	+36K -27K	+14K -2.4K	-	-	-	+2.9K -1.4K	+15 -0	+1.5K -259	-	-	-	-
	30d	3m	1y	all time
Shengyu Liu <shengyuliu@deepseek.com>	3 +53K / -50K	3 +53K / -50K	5 +67K / -58K	15 +99K / -85K	-		-	-	-	-	-	-	-		-	-	-		-	-	-	-		-	-	-	-	-	-
PerryLink <novelnexusai@outlook.com>	1 +2 / -2	1 +2 / -2	1 +2 / -2	1 +2 / -2	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
zaristei <zaristei@berkeley.edu>	-	1 +9 / -0	1 +9 / -0	1 +9 / -0	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	-	-	1 +5 / -4	1 +5 / -4	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Zeyu WANG <zeyuw@nvidia.com>	-	-	2 +18 / -8	3 +27 / -57	-	-	-	-	-	-	-			-	-	-	-	-		-	-	-	-	-	-	-	-	-	-
Jiashi Li <js.li@high-flyer.cn>	-	-	1 +2 / -0	6 +22 / -26	-	-	-	-	-	-	-	-	-		-	-	-			-	-	-	-	-	-	-	-	-	-
Simon Mo <simon.mo@hey.com>	-	-	-	1 +3.9K / -7	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-
zhang <dianzhangc@nvidia.com>	-	-	-	2 +82 / -101	-	-	-	-	-	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-	-	-	-
Li Xiang <lixiang99410@126.com>	-	-	-	1 +8 / -21	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-
Zeyu WANG <uchihatmtkinu@gmail.com>	-	-	-	1 +14K / -2.3K	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-
ljss <450993438@qq.com>	-	-	-	6 +30 / -7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-				-	-	-	-
ℍ𝕠𝕝𝕝𝕠𝕨 𝕄𝕒𝕟 <hollowman@opensuse.org>	-	-	-	1 +2 / -2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-
Shengyu Liu <interestinglsy@gmail.com>	-	-	-	1 +2.9K / -1.4K	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-
Jiashi Li <31004720+beginlner@users.noreply.github.com>	-	-	-	10 +751 / -119	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-			-	-	-	-
hpp <mowencangtian@qq.com>	-	-	-	4 +51 / -20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
yangsijia.614 <yangsijia.614@bytedance.com>	-	-	-	1 +24 / -8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
Sijia Chen <sijiac@meta.com>	-	-	-	3 +167 / -101	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
zhengsize <zheng.size@bytedance.com>	-	-	-	2 +535 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
chunyang.wen <chunyang.wen@gmail.com>	-	-	-	1 +6 / -6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
lancerts <tangshao28@gmail.com>	-	-	-	1 +3 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
程元 <dvacheng@gmail.com>	-	-	-	1 +8 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
sazc <zmhzc@tju.edu.cn>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-

Bots Matrix (Per Month)

-

commits

-

30d

3m

1y

all time

2 contributors (4 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	Shengyu Liu <shengyuliu@deepseek.com>	2025-04-22	2026-09-30	3 (75%)	+53K / -50K	cu (154), h (140), hpp (84), cuh (69), py (34)
2.	PerryLink <novelnexusai@outlook.com>	2026-09-15	2026-09-15	1 (25%)	+2 / -2	h (1), cuh (1)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 30 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 30 days.

flowchart TB
    n0["shengyuliu@deepseek.com"]
    n1["novelnexusai@outlook.com"]
    n0 ---|"2"| n1
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b70,stroke-width:2px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Shengyu Liu <shengyuliu@deepseek.com>	PerryLink <novelnexusai@outlook.com>	2 shared files csrc/kerutils/include/kerutils/device/sm90/intrinsics.cuh csrc/kernels/sm90/decode/sparse/components/helpers.h

Most Connected Contributors

	Contributor	# connections	# commits
1.	Shengyu Liu <shengyuliu@deepseek.com>	1	3
2.	PerryLink <novelnexusai@outlook.com>	1	1

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

3 contributors (5 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	Shengyu Liu <shengyuliu@deepseek.com>	2025-04-22	2026-09-30	3 (60%)	+53K / -50K	cu (154), h (140), hpp (84), cuh (69), py (34)
2.	PerryLink <novelnexusai@outlook.com>	2026-09-15	2026-09-15	1 (20%)	+2 / -2	h (1), cuh (1)
3.	zaristei <zaristei@berkeley.edu>	2026-07-28	2026-07-28	1 (20%)	+9 / -0	cu (1)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 90 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 90 days.

flowchart TB
    n0["shengyuliu@deepseek.com"]
    n1["novelnexusai@outlook.com"]
    n2["zaristei@berkeley.edu"]
    n0 ---|"2"| n1
    n0 ---|"1"| n2
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b70,stroke-width:2px
    linkStyle 1 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Shengyu Liu <shengyuliu@deepseek.com>	PerryLink <novelnexusai@outlook.com>	2 shared files csrc/kerutils/include/kerutils/device/sm90/intrinsics.cuh csrc/kernels/sm90/decode/sparse/components/helpers.h
2.	Shengyu Liu <shengyuliu@deepseek.com>	zaristei <zaristei@berkeley.edu>	1 shared file csrc/smxx/decode/combine/combine.cu

Most Connected Contributors

	Contributor	# connections	# commits
1.	Shengyu Liu <shengyuliu@deepseek.com>	2	3
2.	PerryLink <novelnexusai@outlook.com>	1	1
3.	zaristei <zaristei@berkeley.edu>	1	1

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.3

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

4 contributors (6 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Shengyu Liu <shengyuliu@deepseek.com>	2025-04-22	2026-09-30	3 (50%)	+53K / -50K
2.	PerryLink <novelnexusai@outlook.com>	2026-09-15	2026-09-15	1 (16%)	+2 / -2
3.	zaristei <zaristei@berkeley.edu>	2026-07-28	2026-07-28	1 (16%)	+9 / -0
4.	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	2026-04-29	2026-04-29	1 (16%)	+5 / -4

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 180 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 180 days.

flowchart TB
    n0["shengyuliu@deepseek.com"]
    n1["novelnexusai@outlook.com"]
    n2["zaristei@berkeley.edu"]
    n3["67892460+perkzzheng@users.noreply.github.com"]
    n0 ---|"2"| n1
    n0 ---|"1"| n2
    n0 ---|"1"| n3
    n2 ---|"1"| n3
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b70,stroke-width:2px
    linkStyle 1 stroke:#00688b5E,stroke-width:1px
    linkStyle 2 stroke:#00688b5E,stroke-width:1px
    linkStyle 3 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Shengyu Liu <shengyuliu@deepseek.com>	PerryLink <novelnexusai@outlook.com>	2 shared files csrc/kerutils/include/kerutils/device/sm90/intrinsics.cuh csrc/kernels/sm90/decode/sparse/components/helpers.h
2.	Shengyu Liu <shengyuliu@deepseek.com>	zaristei <zaristei@berkeley.edu>	1 shared file csrc/smxx/decode/combine/combine.cu
3.	Shengyu Liu <shengyuliu@deepseek.com>	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	1 shared file csrc/smxx/decode/combine/combine.cu
4.	zaristei <zaristei@berkeley.edu>	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	1 shared file csrc/smxx/decode/combine/combine.cu

Most Connected Contributors

	Contributor	# connections	# commits
1.	Shengyu Liu <shengyuliu@deepseek.com>	3	3
2.	zaristei <zaristei@berkeley.edu>	2	1
3.	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	2	1
4.	PerryLink <novelnexusai@outlook.com>	1	1

C-median: 2.0

A half of the contributors has more than 2.0 connections, and a half has less than this number.

C-mean: 2.0

An average number of connections a contributor has with other contributors.

C-index: 2.0

There are 2.0 contributors with 2.0 or more connections.

6 contributors (11 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Shengyu Liu <shengyuliu@deepseek.com>	2025-04-22	2026-09-30	5 (45%)	+67K / -58K
2.	Jiashi Li <js.li@high-flyer.cn>	2025-08-14	2026-01-19	1 (9%)	+2 / -0
3.	Zeyu WANG <zeyuw@nvidia.com>	2025-08-27	2026-03-31	2 (18%)	+18 / -8
4.	PerryLink <novelnexusai@outlook.com>	2026-09-15	2026-09-15	1 (9%)	+2 / -2
5.	zaristei <zaristei@berkeley.edu>	2026-07-28	2026-07-28	1 (9%)	+9 / -0
6.	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	2026-04-29	2026-04-29	1 (9%)	+5 / -4

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 365 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 365 days.

flowchart TB
    n0["shengyuliu@deepseek.com"]
    n1["zeyuw@nvidia.com"]
    n2["novelnexusai@outlook.com"]
    n3["zaristei@berkeley.edu"]
    n4["67892460+perkzzheng@users.noreply.github.com"]
    n5["js.li@high-flyer.cn"]
    n0 ---|"3"| n1
    n0 ---|"2"| n2
    n0 ---|"1"| n3
    n0 ---|"1"| n4
    n3 ---|"1"| n4
    n0 ---|"1"| n5
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b82,stroke-width:3px
    linkStyle 1 stroke:#00688b70,stroke-width:2px
    linkStyle 2 stroke:#00688b5E,stroke-width:1px
    linkStyle 3 stroke:#00688b5E,stroke-width:1px
    linkStyle 4 stroke:#00688b5E,stroke-width:1px
    linkStyle 5 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Shengyu Liu <shengyuliu@deepseek.com>	Zeyu WANG <zeyuw@nvidia.com>	3 shared files csrc/sm100/prefill/dense/kernel/fmha_kernel_bwd_convert.hpp csrc/sm100/prefill/dense/fmha_cutlass_bwd_sm100.cuh csrc/sm100/prefill/dense/fmha_cutlass_fwd_sm100.cuh
2.	Shengyu Liu <shengyuliu@deepseek.com>	PerryLink <novelnexusai@outlook.com>	2 shared files csrc/kernels/sm90/decode/sparse/components/helpers.h csrc/kerutils/include/kerutils/device/sm90/intrinsics.cuh
3.	Shengyu Liu <shengyuliu@deepseek.com>	zaristei <zaristei@berkeley.edu>	1 shared file csrc/smxx/decode/combine/combine.cu
4.	Shengyu Liu <shengyuliu@deepseek.com>	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	1 shared file csrc/smxx/decode/combine/combine.cu
5.	zaristei <zaristei@berkeley.edu>	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	1 shared file csrc/smxx/decode/combine/combine.cu
6.	Shengyu Liu <shengyuliu@deepseek.com>	Jiashi Li <js.li@high-flyer.cn>	1 shared file csrc/api/common.h

Most Connected Contributors

	Contributor	# connections	# commits
1.	Shengyu Liu <shengyuliu@deepseek.com>	5	5
2.	zaristei <zaristei@berkeley.edu>	2	1
3.	Perkz Zheng <67892460+perkzzheng@users.noreply.github.com>	2	1
4.	Zeyu WANG <zeyuw@nvidia.com>	1	2
5.	Jiashi Li <js.li@high-flyer.cn>	1	1
6.	PerryLink <novelnexusai@outlook.com>	1	1

C-median: 1.5

A half of the contributors has more than 1.5 connections, and a half has less than this number.

C-mean: 2.0

An average number of connections a contributor has with other contributors.

C-index: 2.0

There are 2.0 contributors with 2.0 or more connections.

Contributors' details...