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T4 mutation matrix, 2026-10-14

Report Tier Device Code under test
mutants-cpu.json, .txt CPU (T0 + T1) none 5f1a55c (repo_commit)
mutants-gpu.json, .txt GPU RTX 5070 Ti (sm_120) 5f1a55c (repo_commit)
mutants-gpu-rtx4060.json, .txt GPU RTX 4060 (sm_89) da9edd4, run from a git archive (no .git, so repo_commit is empty; see ../rtx4060-host/README.md)

Between 5f1a55c and da9edd4, mmaemu/ changes in three places only: selftest() also accepts a sequence of kernel names (the CLI passes a tuple), a comment on validated_on, and a path in the split-K table's metadata ($MMAEMU_TRUTH_DIR instead of a local path). No kernel source changed.

The GPU tier runs tools/mutants/test_gpu.py and the T3 files on NVRTC builds of the mutated sources; the kernel mutants edit v1.cu and code shared by all kernels (docs/testing.md, T4).