Issues

• Cannot reproduce Table 4 2-bit Line-Retrieval rows: 2-bit K is not selectable in the released code; k4v2 reproduces them

  huawei-csl/KVarN#28 · Filter by author zzningxp opened on Nov 11, 2026

• Verify evals on Papers with Code

  huawei-csl/KVarN#26 · Filter by author NielsRogge opened on Aug 14, 2026

• Two concurrent long prompts exceed packed-KV scratch and trigger FP32 fallback OOM

  huawei-csl/KVarN#25 · Filter by author VorlMaldor opened on Aug 3, 2026

• [Usage]: Does this kvarn support NPU

  huawei-csl/KVarN#23 · Filter by author miaogen123 opened on Jul 9, 2026

• [Performance]: Performance regression observed in Kvarn after upgrading from vLLM 0.22.0 to 0.23.0 — no throughput improvement, slight degradation

  huawei-csl/KVarN#22 · Filter by author tiantiankuaile123 opened on Jul 2, 2026

• [Usage]: KVarN & Gemma-4-31B-it

  huawei-csl/KVarN#18 · Filter by author FaisalBiyari opened on Jun 10, 2026
  1

• [Usage]: Agentic Workload Tool Calling with Qwen3.6-27B

  rocm
  huawei-csl/KVarN#17 · Filter by author FaisalBiyari opened on Jun 10, 2026
  1

• kvarn_k4v2_g128 throughput does not scale with batch size (Sinkhorn kernel JIT-recompiles per step under dynamic batching)

  huawei-csl/KVarN#15 · Filter by author sztlink opened on Jun 8, 2026
  11

  

• [Usage]: KVarN KV cache dtype kvarn_k4v2_g128 only works with head_dim=128?

  huawei-csl/KVarN#10 · Filter by author ManikandanBalasubramanian opened on Jun 5, 2026
  28