deepseek-ai/DeepGEMM

DeepGEMM: clean and efficient BLAS kernel library on GPU

Cuda★ 8,776+199 that day#6 on trendingD 51.6 health12.61% duplicated

Analyzed October 7, 2026 at 057ca59 (main) with jscpd v5 in 1.0s.

D51.6/100

Project health18,676 lines of code (M)

Duplication36

13.4% in cpp-header, python, bash, perl, cpp

Dead code89

0.8%

Complexity59

40%

Most complex files

scripts/generate_pyi.py223 cx
tests/generators.py214 cx
csrc/apis/gemm.hpp173 cx
tests/test_attention.py134 cx
csrc/apis/attention.hpp106 cx
csrc/jit_kernels/impls/runtime_utils.hpp93 cx
csrc/apis/einsum.hpp88 cx
tests/test_fp8_fp4.py87 cx
csrc/jit_kernels/heuristics/sm100.hpp72 cx
tests/test_bf16.py72 cx

Dead code 0.75% unused · 12 findings

deep_gemm/locality_domain.py:get_granularityunused-import
deep_gemm/utils/layout.py:get_tma_aligned_sizeunused-import
deep_gemm/locality_domain.py:emptyunused-import
deep_gemm/utils/layout.py:get_mn_major_tma_aligned_tensorunused-import
deep_gemm/utils/layout.py:get_mn_major_tma_aligned_packed_ue8m0_tensorunused-import
deep_gemm/utils/layout.py:get_k_grouped_mn_major_tma_aligned_packed_ue8m0_tensorunused-import
deep_gemm/locality_domain.py:get_sm_locality_domainsunused-import
deep_gemm/utils/layout.py:set_mk_alignment_for_contiguous_layoutunused-import
deep_gemm/locality_domain.py:get_balanced_sm_locality_domainsunused-import
deep_gemm/utils/layout.py:get_theoretical_mk_alignment_for_contiguous_layoutunused-import

107files

20,006lines

166,226tokens

252clones

2,522duplicated lines (12.61%)

20,616duplicated tokens (12.4%)

By format

Format	Files	Lines	Clones	Duplicated lines	Duplication
cpp-header	48	10,079	230	2,311	22.93%
python	36	7,760	21	195	2.51%
yaml	3	375	1	16	4.27%
bash	12	821	0	0	0%
markdown	2	684	0	0	0%
perl	1	168	0	0	0%
cpp	2	54	0	0	0%
txt	1	34	0	0	0%
text	2	31	0	0	0%

Largest clones

31 lines · 327 tokens cpp-headercsrc/jit_kernels/impls/sm100_tf32_hc_prenorm_gemm.hpp:28–58⇆csrc/jit_kernels/impls/sm90_tf32_hc_prenorm_gemm.hpp:30–60
14 lines · 204 tokens cpp-headercsrc/jit_kernels/impls/sm100_fp8_fp4_gemm_1d1d.hpp:370–383⇆csrc/jit_kernels/impls/sm100_fp8_fp4_gemm_1d1d.hpp:528–541
19 lines · 178 tokens cpp-headercsrc/jit_kernels/impls/sm100_bf16_gemm.hpp:297–315⇆csrc/jit_kernels/impls/sm100_fp8_fp4_gemm_1d1d.hpp:357–375
10 lines · 178 tokens pythondeep_gemm/legacy/a_fused_k_grouped_gemm.py:69–78⇆deep_gemm/legacy/b_fused_k_grouped_gemm.py:68–77
21 lines · 161 tokens pythondeep_gemm/legacy/a_fused_k_grouped_gemm.py:12–32⇆deep_gemm/legacy/b_fused_k_grouped_gemm.py:12–32
17 lines · 154 tokens cpp-headercsrc/jit_kernels/impls/sm100_bf16_gemm.hpp:92–108⇆csrc/jit_kernels/impls/sm100_fp8_fp4_gemm_1d1d.hpp:112–128
17 lines · 150 tokens cpp-headercsrc/jit_kernels/impls/sm100_bf16_gemm.hpp:104–120⇆csrc/jit_kernels/impls/sm90_bf16_gemm.hpp:99–115
17 lines · 150 tokens cpp-headercsrc/jit_kernels/impls/sm100_bf16_gemm.hpp:234–250⇆csrc/jit_kernels/impls/sm90_bf16_gemm.hpp:231–247
12 lines · 146 tokens cpp-headercsrc/apis/gemm.hpp:135–146⇆csrc/apis/gemm.hpp:150–161
12 lines · 146 tokens cpp-headercsrc/apis/gemm.hpp:135–146⇆csrc/apis/gemm.hpp:166–177

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	Duplication	Health	Commit
Oct 7, 2026	#6	8,776 (+199)	107	20,006	252	12.61%	D 51.6	`057ca59`

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