Add python mode#2219
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The "raw" mode H factor and R were declared (M,M) and (M,N) but are actually (M,N) and (K,N), which np.vectorize rejects for M < N.
ricardoV94
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Jun 13, 2026
Promotes the per-subclass routing PythonLinker did into the VMLinker default, so every pure-Python VM path (pyvm, FAST_COMPILE, cxx-less vm) prefers a registered python_funcify before falling back to perform.
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PythonLinker is now a whole-graph JITLinker registered as pyjit; py is a plain VMLinker -- the robust per-node Python reference (lazy ops, perform fallback). The redundant perform linker is dropped.
The base Op.perform now delegates to the python_funcify dispatch, so an Op's numeric behaviour can live entirely in the registry. Cholesky keeps only its symbolic definition.
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Closes #1990
mode="py"becomes a full python mode. The existingpybecomesperform. The python mode is a VMLinker so we can do IFElse. I started moving some of the big ugly linalg implemetations from perform to a python dispatch as a show of what I think the advantage of this setup is. The performs where most people will look become nice and clean, and all the lapack dancing gets hidden in the dispatch.