apache/tvm

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Open Machine Learning Compiler Framework

Stars: 13.7k
Forks: 4k
Open beginner issues: 0
Indexed issues: 168
Avg merge: 2d 1h
Merged PRs (30d): 112

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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167 open issues indexed

[Relax][ONNX] Use ONNX Backend Tests to improve frontend coverage Open

apache/tvm#19505 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax] `reduce_max` / `reduce_min` silently drop NaN on CUDA — CPU and CUDA produce different results Open

needs-triage type: bug

apache/tvm#19518 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax] `adaptive_avg_pool2d` compilation crashes on CUDA when output size does not evenly divide input Open

needs-triage type: bug

apache/tvm#19520 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX Gather mishandles negative indices Open

needs-triage type: bug

apache/tvm#19531 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX Slice crashes on negative-step empty result Open

needs-triage type: bug

apache/tvm#19532 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX Min and ArgMin mishandle NaN semantics Open

needs-triage type: bug

apache/tvm#19540 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX integer Div by zero crashes process with SIGFPE Open

needs-triage type: bug

apache/tvm#19541 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][CUDA] Default Relax CUDA build emits unscheduled TIR for R.power and fails memory verification Open

needs-triage type: bug

apache/tvm#19548 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax][CUDA] topk on large input launches kernel with invalid gridDim.y and fails with CUDA_ERROR_INVALID_VALUE Open

needs-triage type: bug

apache/tvm#19549 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][Torch] torch.logical_not on float tensor is lowered to R.logical_not with float dtype and fails LegalizeOps Open

needs-triage type: bug

apache/tvm#19553 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX ArgMax returns different index from ONNX Runtime when input contains NaN Open

needs-triage type: bug

apache/tvm#19558 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][ONNX] Resize produces wrong results with half_pixel/pytorch_half_pixel coordinate transformation and non-integer scales Open

needs-triage type: bug

apache/tvm#19570 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] AdjustMatmulOrder crashes on batched matmul chains (3D @ 2D) Open

needs-triage type: bug

apache/tvm#19576 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Matmul and reductions with zero-size dimension return uninitialized memory Open

needs-triage type: bug

apache/tvm#19578 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] maximum/minimum/relu/clip do not propagate NaN (IEEE 754 violation) Open

needs-triage type: bug

apache/tvm#19579 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] layer_norm` Relax/TIR module crashes the process on Windows Open

needs-triage type: bug

apache/tvm#19582 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX Min and ArgMin mishandle NaN semantics Open

needs-triage type: bug

apache/tvm#19668 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] `nn.conv{1,2,3}d_transpose` legalize silently bails for unsupported `dilation` / `data_layout`, causing opaque VM-codegen crash Open

needs-triage type: bug

apache/tvm#19694 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax] `InternalError: Divide by zero` when compiling a `reshape` that yields a 0-sized dimension Open

needs-triage type: bug

apache/tvm#19922 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] Import failures on PaddleOCR and FasterRCNN-style models: Squeeze axes, shape Gather, and dynamic TopK Open

needs-triage type: bug

apache/tvm#19965 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax ONNX front]ONNX frontend import failed with shape graph Concat error Open

needs-triage type: bug

apache/tvm#19971 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][MetaSchedule][CUDA] tune_relax for minimal conv2d aborts during candidate generation on Windows Open

apache/tvm#19976 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CI Problem] test_solution_consistency fails intentionally-nondeterministic check in solve_linear_equations Open

needs-triage type:ci

apache/tvm#19986 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Relax ONNX frontend passes PrimType wrapper as Range dtype for shape-derived bounds Open

apache/tvm#19999 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][LLVM] Relax constant parameters produce incorrect LLVM results on Windows Open

needs-triage type: bug

apache/tvm#20007 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] LLVM CodeGen Crash on `avg_pool2d` with Specific Shape Open

needs-triage type: bug

apache/tvm#20015 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][CUTLASS] CUTLASS tests are silently skipped, masking GEMM codegen and TVM-FFI ABI regressions Open

needs-triage type: bug

apache/tvm#20031 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] relax.build with batch_norm on CUDA fails with 'buffer v_red occurred before its declaration' for specific input shape Open

needs-triage type: bug

apache/tvm#20036 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][BYOC] JSONSerializer fails to handle tir_vars in BYOC for models with symbolic arithmetic Open

needs-triage type: bug

apache/tvm#20037 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Tracking Issue] [Relax][TensorRT BYOC] Can engine building happen during export instead of runtime initialization? Open

needs-triage type:rfc-tracking

apache/tvm#20040 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] build CXX standard conflicts: tvm-ffi expects cxx_std_17 while tvm now upgraded to 20 Open

needs-triage type: bug

apache/tvm#20042 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] `relax.build` crashes with an `AttributeError` during the dlight GPU scheduling pass Open

needs-triage type: bug

apache/tvm#20047 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [ONNX Frontend] SparseConvolution and ScatterDense operators unsupported during import Open

needs-triage type: bug

apache/tvm#20049 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] CUDA Check failed: block_realize == old_block_realize_.get() (0x88a32c0 vs. 0x88cd340) Open

needs-triage type: bug

apache/tvm#20061 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax][ONNX] BinaryBase.base_impl calls .item() on a TIR PrimExpr Open

apache/tvm#20065 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[RFC] Expanding ONNX operator coverage in the Relax frontend Open

needs-triage type:rfc-tracking

apache/tvm#20124 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BYOC][oneDNN] Update and maintain oneDNN BYOC integration Open

needs-triage type:rfc-tracking

apache/tvm#20142 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Metal] Metal codegen produces silently-wrong output on a HiFi-GAN-style Relax graph (cosine 0.756 vs LLVM 1.0000) Open

apache/tvm#20157 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][ONNX] Runtime-shape Reshape import passes TensorType to relax.op.reshape Open

needs-triage type: bug

apache/tvm#20174 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax][ONNX] Min import fails on symbolic broadcast Open

needs-triage type: bug

apache/tvm#20175 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax] Static-shape Size/Slice/Reshape hits an uncomputed shape slot Open

needs-triage type: bug

apache/tvm#20177 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Relax]Symbolic Flatten/Slice/Cast triggers a duplicate remap assertion Open

needs-triage type: bug

apache/tvm#20178 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax][Frontend][ONNX] Softmax ignores opset<=12 coerce-to-2D semantics and defaults `axis` to -1 instead of 1, silently producing wrong output for valid models Open

needs-triage type: bug

apache/tvm#20183 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Bug][Relax] StaticPlanBlockMemory can emit non-dominating storage across if branches for reshape chains Open

needs-triage type: bug

apache/tvm#20191 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] Default LLVM pipeline can leave high-level Relax ops after FoldConstant resolves dynamic reshape shape Open

needs-triage type: bug

apache/tvm#20192 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] Default LLVM pipeline crashes in FoldConstant when reshape target is a runtime Shape Open

needs-triage type: bug

apache/tvm#20193 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] FuseTIR crashes when FuseOps creates a private function named fused for nested tuple getitem[Bug] Open

needs-triage type: bug

apache/tvm#20194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] FuseOps can reorder call_tir before symbolic shape binding used in out_ty Open

needs-triage type: bug

apache/tvm#20195 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax][LLVM] scatter_elements with symbolic H/W extents times out during build[Bug] Open

needs-triage type: bug

apache/tvm#20196 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][Relax] CombineParallelMatmul crashes on 1-D matmul boundary cases Open

needs-triage type: bug

apache/tvm#20197 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/tvm

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