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[Bug] Multi-rank comm_alloc_domain_windows blocked by driver support_shmem_map_exbus=0 (cross-card aclrtIpcMemImportByKey returns 507899)

Status: Open.

#1037 In hw-native-sys/simpler;

· csy0225 opened on Jun 11, 2026

[Bug] AICore VEC UB-not-aligned (507018) on step3p5 single-rank, while qwen3/32b passes on the same chip

Status: Open.

#1036 In hw-native-sys/simpler;

· csy0225 opened on Jun 11, 2026

[Feature] Produce tensor dump on the abnormal path (hang / AICore op-timeout)

enhancementNew feature or requestNew feature or request

Status: Open.

#1034 In hw-native-sys/simpler;

· ChaoZheng109 opened on Jun 11, 2026

Per-ring (per-scope-level) heap / task-window / dep-pool config — uniform sizing has no working value for deep kernels

Status: Open.

#1029 In hw-native-sys/simpler;

· lyfne123 opened on Jun 11, 2026

L3 worker cannot see host tensors created after worker startup

Status: Open.

#1027 In hw-native-sys/simpler;

· ndleslx opened on Jun 11, 2026

[Feature] Support selective scalar dump via Arg::dump(...)

Status: Open.

#1026 In hw-native-sys/simpler;

· zmnobug opened on Jun 11, 2026

[Feature] Per-L2 RUNTIME_ENV: allow each L2 task to configure its own PTO2_RING_* sizes via CallConfig

enhancementNew feature or requestNew feature or request

Status: Open.

#1025 In hw-native-sys/simpler;

· ChaoZheng109 opened on Jun 11, 2026

[Bug] SPMD Paged Attention Highperf Fails For >= 8192 sequences

bugSomething isn't workingSomething isn't working

Status: Open.

#1022 In hw-native-sys/simpler;

· MirkoDeVita98 opened on Jun 10, 2026

[Bug] PagedAttentionUnrollManualScope fails with 207001 (HBM OOM) under 2-die xdist — L2 pool accumulates un-unregisterable AICore ELFs

bugSomething isn't workingSomething isn't working

Status: Open.

#1019 In hw-native-sys/simpler;

· ChaoWao opened on Jun 9, 2026

[Bug] Multi-rank comm_init fails in os.fork()'d chip worker — rank 0 dies during HCCL bring-up, version-invariant

Status: Open.

#1018 In hw-native-sys/simpler;

· csy0225 opened on Jun 9, 2026

[Performance] Orchestration fanin dedup uses O(N^2) linear scans during TensorMap lookup

performancePerformance regression or optimizationPerformance regression or optimization

Status: Open.

#1013 In hw-native-sys/simpler;

· Leaf-Salix opened on Jun 8, 2026

[Feature] First-class DFX run-timing breakdown for run_prepared() (replace the SIMPLER_CHIP_TIMING fork patch)

enhancementNew feature or requestNew feature or request

performancePerformance regression or optimizationPerformance regression or optimization

Status: Open.

#1012 In hw-native-sys/simpler;

· luohuan19 opened on Jun 8, 2026