Sum-factorisation on simplices - #262

Draft

pbrubeck wants to merge 14 commits into

pbrubeck/coffee-scalar-factorfrom

pbrubeck/simplex-sum-factor

Commits on Aug 29, 2026

Represent jagged iteration domains in GEM

pbrubeck
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claude
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b59d1a0
WIP: layer simplex and Bernstein sum factorisation
pbrubeck
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bcb8b12
Restore simplex lattice lowering
pbrubeck
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1e3b9e1
Reuse mapped tabulation for Duffy coefficients
pbrubeck
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49fa834
Fix Duffy docstring style
pbrubeck
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72ec979
Expose permuted simplex lattices
pbrubeck
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fad56c7
Clarify Duffy tabulation interfaces
pbrubeck
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8d4170d
Compose simplex lattice scatter maps
pbrubeck
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914c739
Adapt simplex factorisation to structured codegen
pbrubeck
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089c2f2
Compact simplex lattice temporaries
pbrubeck
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Order free indices by creation, not by address

pbrubeck
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claude
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d79bf46
Tabulate simplex lattice ranks

pbrubeck
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claude
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fbc77f4
Split the jagged rewrites and the pipelines out of gem.optimise

pbrubeck
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claude
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0415edd
Merge branch 'pbrubeck/coffee-scalar-factor' into pbrubeck/simplex-sum-factor
pbrubeck
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e900247