Issues

• [FEATURE] H100 Lightning Indexer kernel with streaming top-k for DeepSeek-V4 CSA

  HazyResearch/ThunderKittens#211 · Filter by author Kushagra481 opened on Sep 19, 2026
  1

• Help wanted: Performance issue in ThunderKittens FlashAttention kernel

  HazyResearch/ThunderKittens#199 · Filter by author chenhongyu2048 opened on May 28, 2026
  1

• How to support FP8 in H100

  HazyResearch/ThunderKittens#196 · Filter by author adofirst2018 opened on Apr 24, 2026

• [Question] gemm_ar: why is store_async_read_wait() sufficient before signaling cross-GPU barrier?

  HazyResearch/ThunderKittens#194 · Filter by author xyxiang7 opened on Apr 13, 2026

• [Question] Mamba 3

  HazyResearch/ThunderKittens#192 · Filter by author Lazarus-931 opened on Mar 30, 2026
  3

• [Question] end-to-end runnable examples with multi-GPU kernels

  HazyResearch/ThunderKittens#191 · Filter by author MaoZiming opened on Mar 29, 2026
  1

• FP8 shared vector support (sv_fp8e4m3 / sv_fp8e5m2/ sv_fp8e8m0)

  HazyResearch/ThunderKittens#188 · Filter by author Emre-Dinc opened on Mar 26, 2026
  1

• TK vs FA4 Benchmark

  HazyResearch/ThunderKittens#187 · Filter by author jeromeku opened on Mar 26, 2026
  1

• [Question] Is there any code that make sure there is no Register Spilling before creating Register based types?

  HazyResearch/ThunderKittens#182 · Filter by author AnDongLi opened on Mar 18, 2026

• Move + Destroy bug in TKParallelTensor

  HazyResearch/ThunderKittens#180 · Filter by author kingsleykimm opened on Mar 13, 2026

• TVM FFI support

  HazyResearch/ThunderKittens#176 · Filter by author KareemMusleh opened on Feb 27, 2026
  1

• Windows with Visual Studio and Cuda tool kit

  HazyResearch/ThunderKittens#174 · Filter by author faiziktk opened on Feb 11, 2026
  1

• [Question] Why mxfp8 mma doesn't support trans_a or trans_b

  HazyResearch/ThunderKittens#171 · Filter by author TopIdiot opened on Jan 30, 2026
  1

• [Questions] about dispatch GEMM scheduling and barrier load semantics

  HazyResearch/ThunderKittens#170 · Filter by author FireKingY opened on Jan 29, 2026
  1

• [Request] microbenchmark code for ParallelKittens: TMA vs ld/st SM utilization analysis

  HazyResearch/ThunderKittens#169 · Filter by author FireKingY opened on Jan 29, 2026
  6

• H100: ThunderKittens/include/types/system/vmm.cuh:152 'invalid argument'

  HazyResearch/ThunderKittens#167 · Filter by author MaoZiming opened on Jan 24, 2026
  1

• Will parallel kittens support decoding in the future?

  HazyResearch/ThunderKittens#166 · Filter by author ziyuhuang123 opened on Dec 23, 2025
  1

• pipeline/barrier error on sm90a

  HazyResearch/ThunderKittens#164 · Filter by author vhnatyk opened on Dec 1, 2025
  1

• [BUG] missing symbol make_causal

  HazyResearch/ThunderKittens#163 · Filter by author cat538 opened on Nov 27, 2025
  2

• Simple Conv2D implementation?

  HazyResearch/ThunderKittens#162 · Filter by author siddagra opened on Nov 26, 2025

• Is there a runnable TK-based Flash Attention on B200?

  HazyResearch/ThunderKittens#159 · Filter by author complexfilter opened on Nov 11, 2025
  2

• [BUG+FIX] Collective Kernels

  HazyResearch/ThunderKittens#157 · Filter by author osayamenja opened on Nov 5, 2025
  2

• Compilation Errors and Missing Definitions for Blackwell (B200) Architecture Support

  HazyResearch/ThunderKittens#154 · Filter by author yyc520 opened on Oct 28, 2025

• FP8 E4M3 and E5M2 in ada arch

  HazyResearch/ThunderKittens#153 · Filter by author fire-emblem opened on Oct 15, 2025
  1

• How to achieve BLAS-level matmul performance on 4080/4090/A100 (pre Hopper Arch) ThunderKittens?

  HazyResearch/ThunderKittens#151 · Filter by author fire-emblem opened on Oct 13, 2025
  2