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[BUG] cutlass-dsl 4.5.1: -libs-base and -libs-cu13 wheels write the same path

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3259 In NVIDIA/cutlass;

· arpera opened on May 21, 2026

[FEA] Documentation for building nvidia-cutlass-dsl-libs-base package

? - Needs Triage

CUTLASS C++

feature requestNew feature or requestNew feature or request

Status: Open.

#3257 In NVIDIA/cutlass;

· Flamefire opened on May 21, 2026

[BUG] Segmentation fault occurred when indexing the tensor.

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3255 In NVIDIA/cutlass;

· HydraQYH opened on May 20, 2026

[BUG] Wrong TV Layout C in MMA Atom

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3254 In NVIDIA/cutlass;

· HydraQYH opened on May 20, 2026

[BUG] CuTe Python DSL: cute.coalesce(cute.prepend(...)) corrupts memory for complement layout

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3253 In NVIDIA/cutlass;

· new-TonyWang opened on May 20, 2026

[BUG] ArchMeta alias breaks .value on sm_110*/sm_101* enum members

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3249 In NVIDIA/cutlass;

· lingolin128 opened on May 19, 2026

[BUG] cutlass 4.5.0/4.5.1cute.FastDivmodDivisor.divisor can reference SSA value from outside isolated region

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3243 In NVIDIA/cutlass;

· tridao opened on May 17, 2026

[BUG] CuTe DSL 4.5.0 / 4.5.1 [cu13] drops predicated cute.copy / emits infinite loop

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3241 In NVIDIA/cutlass;

· tridao opened on May 16, 2026

[BUG] CuTe DSL 4.5.1: CopyReduceBulkTensorTileS2GOp(ReductionOp.ADD) lowers to TMA AND

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3240 In NVIDIA/cutlass;

· tridao opened on May 15, 2026

[BUG] CuTe DSL StMatrix16x8x8bOp (b8) ICE: nvvm.stmatrix m16n8 lowering passes wrong register count to LLVM intrinsic

? - Needs Triage

bugSomething isn't workingSomething isn't working

CuTe DSL

Status: Open.

#3234 In NVIDIA/cutlass;

· 16bit-ykiko opened on May 15, 2026

nvidia-cutlass-dsl 4.5.0: nvvm.mma.block_scale lowering produces PTX rejected by ptxas (sm_120/120f/121a)

Status: Open.

#3227 In NVIDIA/cutlass;

· idonati opened on May 11, 2026

[QST] what exactly is MmaUniversalOp

? - Needs Triage

questionQuestionQuestion

Status: Open.

#3220 In NVIDIA/cutlass;

· JINO-ROHIT opened on May 11, 2026