Issues

• [Performance] Dynamic disjoint pto.subview slots introduce false MTE2-to-V dependencies

  performance
  hw-native-sys/PTOAS#1587 · Filter by author Hzfengsy opened on Oct 3, 2026

• [Bug][VMI Layout] group4 ui16 -> ui32 width-changing vinterpret_cast fails in packed UE8M0 exponent packing

  bug
  hw-native-sys/PTOAS#1586 · Filter by author Zhendong404 opened on Sep 29, 2026

• [Bug] VMI brc+stride 降成 RV_VSLDB(block-stride),该指令要求 32B 对齐,与 BRC_B8 的 1 字节对齐契约矛盾,导致真机 ACL 507035

  bug
  hw-native-sys/PTOAS#1585 · Filter by author Zhendong404 opened on Sep 28, 2026

• [Perf] 动态形状 kernel 每次 launch 有 ~60us 纯 host 开销：cython_wrapper 用 str(Var) 做 key 触发 TVMScript 全量打印

  performance
  hw-native-sys/PTOAS#1584 · Filter by author Zhendong404 opened on Sep 28, 2026
  

• [Bug][VMI-to-VPTO] 动态 offset 的 si16->ui8 分块转换残留 pto.vmi.unpack，触发 VMI-RESIDUAL-OP

  bug
  hw-native-sys/PTOAS#1583 · Filter by author Zhendong404 opened on Sep 28, 2026

• [Bug][PTODSL/VPTO] [阻塞]合并多个 Vector Kernel 时 init_core 生成重复符号并导致 fatobj 链接失败

  bug
  hw-native-sys/PTOAS#1582 · Filter by author erhsh opened on Sep 24, 2026
  1

• [Bug] PTODSL's pto.redux_add/max/min, pto.shuffle_bfly reject signed integer inputs in MLIR verification

  bugtilelang
  hw-native-sys/PTOAS#1581 · Filter by author liggest opened on Sep 24, 2026

• [Bug] PTODSL's pto.simt_allreduce_sum/max/min rejects signless integer inputs

  bugtilelang
  hw-native-sys/PTOAS#1580 · Filter by author liggest opened on Sep 24, 2026

• [Bug] PTODSL's pto.simt_allreduce_max/min on integer inputs fails with "requires signedness" on the single-warp path

  bugtilelang
  hw-native-sys/PTOAS#1579 · Filter by author liggest opened on Sep 24, 2026

• [Bug] PTODSL's pto.select loses the signed/unsigned type of its integer operands

  bugtilelang
  hw-native-sys/PTOAS#1578 · Filter by author liggest opened on Sep 24, 2026

• [Bug][VPTO] grouped-row 循环从 2 行增至 3 行时PTOAS编译报错 “Bisheng stack smashing”

  bug
  hw-native-sys/PTOAS#1577 · Filter by author erhsh opened on Sep 24, 2026
  2

• [Performance] Redundant sync exhausts event IDs in a 3-slot in-place Vec pipeline

  performance
  hw-native-sys/PTOAS#1569 · Filter by author Hzfengsy opened on Sep 21, 2026

• [VMI] bf16 quantize 路径应将 values/inverse 推导为 d2 layout，避免 vintlv 扩宽 inverse

  hw-native-sys/PTOAS#1568 · Filter by author Zhendong404 opened on Sep 20, 2026

• [VMI] fp8 layout cost model: contiguous vs contiguous+lane_stride=4 for f32->fp8 masked_store

  vmi
  hw-native-sys/PTOAS#1567 · Filter by author Zhendong404 opened on Sep 20, 2026
  1

• [Bug] [whitefox-audit] -pto-validate-vmi-ir 类型树递归不全 → 嵌套 layout VMI 漏检

  bugQA
  hw-native-sys/PTOAS#1566 · Filter by author yaomicat opened on Sep 20, 2026

• [VMI] 优化 256xbf16 grouped broadcast load：E2B_B16 + VINTLV

  hw-native-sys/PTOAS#1565 · Filter by author Zhendong404 opened on Sep 20, 2026

• [Bug] [whitefox-audit] pto_lower_to_ubuf_ops ：emitUBBinOp 将 src1RepeatStride 硬编码为 0，导致crash

  bugQA
  hw-native-sys/PTOAS#1564 · Filter by author yaomicat opened on Sep 20, 2026

• [PTO] Support compact GM->UB multi-burst copy with dst_stride == burst_len

  hw-native-sys/PTOAS#1563 · Filter by author Zhendong404 opened on Sep 19, 2026

• [VMI] packed bf16 E4M3 quant: contiguous layout propagation forces BRC+vintlv instead of E2B d2 path

  hw-native-sys/PTOAS#1562 · Filter by author Zhendong404 opened on Sep 19, 2026

• [VMI] group_reduce_maxf group=4 needs consumer-aware lowering: packed vector vs direct point store

  hw-native-sys/PTOAS#1559 · Filter by author Zhendong404 opened on Sep 18, 2026

• [VMI] Half-part BRC group broadcast (groupSize = 32 < lanesPerPart, e.g. vload brc group=2 size=64 f32) has no direct lowering: falls to vsldb(PAT_VL2)+vselr, misaligned group base traps 507035 on device; fix exists on fix/support-dense-f8-ls2-extf-v2 (5ae519637)

  bugvmi
  hw-native-sys/PTOAS#1557 · Filter by author liuzidi opened on Sep 18, 2026

• [Bug] [阻塞] pto.init_core() selects Vector initialization for mixed Cube sections

  bug
  hw-native-sys/PTOAS#1556 · Filter by author erhsh opened on Sep 18, 2026
  8

• [Bug] [whitefox-audit] pto_low_level_loop_fusion — interstage setup 引用前序 loop result 后 erase abort

  bugQA
  hw-native-sys/PTOAS#1555 · Filter by author yaomicat opened on Sep 18, 2026

• [Bug] pto.vcpadd's behavior mismatch with its document in PTODSL

  bugtilelang
  hw-native-sys/PTOAS#1552 · Filter by author liggest opened on Sep 18, 2026

• [VMI] 256-lane E2B group broadcast: layout assignment downgrades the deinterleaved direct row to contiguous, landing on vsldb + 2x vselr (device 507035) instead of one E2B vlds

  vmi
  hw-native-sys/PTOAS#1549 · Filter by author liuzidi opened on Sep 17, 2026
  1