Expand dimensional `mapreduce` / `reduce`#83

Merged

maleadt merged 39 commits into

JuliaGPU:mainfrom

shreyas-omkar:sh/mapreduce_nd_dims

Jun 19, 2026

Commits on Jun 17, 2026

Support tuple dims in mapreduce_nd using CartesianIndices

shreyas-omkar
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maleadt
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WIP: rewrite mapreduce_nd with stride arithmetic and multi-group reduction

shreyas-omkar
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maleadt
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perf: canonicalization, Val{sizes}, multi-group, input staging, correct index decode

shreyas-omkar
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maleadt
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fix: OpenCL.jl and SPIRVIntrinsics branch renamed master to main

shreyas-omkar
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maleadt
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fix: correct neutral element in partial reduction, add duplicate dims check and tests

shreyas-omkar
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maleadt
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perf: drop per-element division in mapreduce_nd index decode

maleadt
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claude
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perf: remove register staging from block reductions

maleadt
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claude
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fix: gate multi-group reduction on GPU occupancy

maleadt
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claude
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refactor: dedupe destination allocation and tidy mapreduce_nd

maleadt
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claude
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docs: note tuple dims support in reduce/mapreduce docstrings

maleadt
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claude
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perf: grid-stride over outputs, coalescing-aware dispatch, multigroup tuning

shreyas-omkar
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maleadt
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fix: Reverted target blocks to 256

shreyas-omkar
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maleadt
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perf: avoid integer division in multi-segment _reduce_offset

shreyas-omkar
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maleadt
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fix: match Base dims semantics in mapreduce_nd
maleadt
committed

Commits on Jun 18, 2026