* support symbolic shapes in split/chunk when split dim is concrete
Previously split() and chunk() required all dimensions to be concrete.
Now they only require the dimension being split to be concrete, allowing
them to work with tensors that have symbolic shapes in other dimensions.
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* update CLAUDE.md: add pre-commit and no-amend rules
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* fix dim resolution order in split/chunk
Ensure dim_sz is retrieved after dim is resolved, not before.
The previous one-liner evaluated self.shape[dim] with the original
unresolved dim value.
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* schedule: cache unbinds for consistent cache keys
strip BIND values before computing cache key so different bound values
(e.g. KV cache positions) hit the same schedule cache entry.
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* spec: allow single-src BIND for schedule cache key normalization
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* docs: add lessons learned to CLAUDE.md
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* more claude.md
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* schedule: cache unbinds for consistent cache keys
different bound variable values (e.g. kv cache positions) now produce
the same schedule cache key by unbinding BIND(DEFINE_VAR, CONST) before
computing the cache key and rebinding after lookup.
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* schedule: cache unbinds for consistent cache keys
When scheduling, BIND(DEFINE_VAR, CONST) nodes are now unbound to
tagged DEFINE_VARs before computing the cache key. This ensures that
the same computation with different bound values (e.g., different
KV cache positions in LLM) gets the same cache key and reuses the
cached schedule.
The fix:
- pm_pre_sched_cache: replaces BIND with tagged DEFINE_VAR
- pm_post_sched_cache: restores tagged DEFINE_VAR back to original BIND
- pm_remove_rangeify_tags: excludes DEFINE_VAR to preserve tags through rangeify
- var_vals extracted from BINDs before cache key computation
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* schedule: fix BIND handling and add CLAUDE.md
- Handle BIND to RANGE in create_schedule (not matched by CONST pattern)
- Assert all BINDs on same variable have same value
- Add CLAUDE.md codebase guide
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