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[Bug] non-deterministic results in sm90 tf32_hc_prenorm_gemm

Status: Open.

#449 In deepseek-ai/DeepGEMM;

· leevan opened on Sep 16, 2026

[Bug] SM120 m_grouped_fp8 contiguous kernel: illegal memory access at CUDA graph replay (eager + capture + identical-replay all clean)

Status: Open.

#444 In deepseek-ai/DeepGEMM;

· liaoruoxue opened on Sep 14, 2026

DeepGEMM JIT: CUDA 800 (NOT_PERMITTED) at jit/handle.hpp:154 kills vLLM engine on first long-context request

Status: Open.

#443 In deepseek-ai/DeepGEMM;

· RenZov-A opened on Sep 14, 2026

[nv_dev][SM120] fp8_fp4_mqa_logits fp8 path returns nondeterministic in-window wrong results for head_dim 32/64 — read-side swizzle mode doesn't match the TMA descriptors

Status: Open.

#433 In deepseek-ai/DeepGEMM;

· aganhui opened on Sep 10, 2026

[nv_dev][SM120] k_grouped_fp8_gemm_nt_contiguous returns non-deterministic wrong results — sm120 kernel is missing the tensormap drain fixed for SM90 in #343

Status: Open.

#430 In deepseek-ai/DeepGEMM;

· aganhui opened on Sep 9, 2026

sm121a: paged_mqa_logits varlen path produces illegal memory access; uniform path does not scale past batch 1 at long context

Status: Open.

#425 In deepseek-ai/DeepGEMM;

· srinathh opened on Aug 31, 2026

[Regression] 8b1392b removes SM12x pure-fp8 1d1d kernels and aliases fp8_gemm_nt to the fp4 dispatcher (silent corruption on GB10)

Status: Open.

#417 In deepseek-ai/DeepGEMM;

· maci0 opened on Aug 24, 2026

[Bug] pack_ue8m0_to_int is not CUDA Graph capture safe

Status: Open.

#414 In deepseek-ai/DeepGEMM;

· foraxe opened on Aug 24, 2026

get_env<int> returns uninitialized data for malformed values

Status: Open.

#412 In deepseek-ai/DeepGEMM;

· OllieinCanada opened on Aug 24, 2026

[RFC] Chunk-ready symmetric-buffer protocol for streaming MegaMoE inputs

Status: Open.

#410 In deepseek-ai/DeepGEMM;

· 0z5a opened on Aug 17, 2026

CUDA Illegal Instruction in test_k_grouped_gemm_contiguous

Status: Open.

#405 In deepseek-ai/DeepGEMM;

· henny-bee opened on Aug 12, 2026

Measured data point on fixed-tile vs shape-adaptive GEMM: where a bit-exact fixed-tile kernel stops (and why we couldn't fix it)

Status: Open.

#402 In deepseek-ai/DeepGEMM;

· dancinlife opened on Aug 7, 2026