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Posted to commits@tvm.apache.org by "guan404ming (via GitHub)" <gi...@apache.org> on 2025/11/14 06:26:37 UTC

[PR] [Relax][PyTorch] Add lower bound support for range constraints [tvm]

guan404ming opened a new pull request, #18447:
URL: https://github.com/apache/tvm/pull/18447

   ## Related
   - #18429
   
   ## Why
   
   - Previously only extracted upper bounds, discarding lower bound information
   - Enables better memory planning and optimization with full range [min, max]
   
   ## How
   
   - Extract both tir_var_lower_bound and tir_var_upper_bound from PyTorch `ExportedProgram.range_constraints`
   - Update C++ transforms (static_plan_block_memory.cc, adjust_matmul_order.cc) to use lower bounds
   - Default: lower=0 if not specified, upper=INT64_MAX if not specified


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Re: [PR] [Relax][PyTorch] Add lower bound support for range constraints [tvm]

Posted by "guan404ming (via GitHub)" <gi...@apache.org>.
guan404ming commented on PR #18447:
URL: https://github.com/apache/tvm/pull/18447#issuecomment-3531663459

   cc @mshr-h @tlopex 


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Re: [PR] [Relax][PyTorch] Add lower bound support for range constraints [tvm]

Posted by "guan404ming (via GitHub)" <gi...@apache.org>.
guan404ming commented on PR #18447:
URL: https://github.com/apache/tvm/pull/18447#issuecomment-3532564661

   Thanks!


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Re: [PR] [Relax][PyTorch] Add lower bound support for range constraints [tvm]

Posted by "mshr-h (via GitHub)" <gi...@apache.org>.
mshr-h merged PR #18447:
URL: https://github.com/apache/tvm/pull/18447


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