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[TIRx][Test] Gate collector-A-only block-scale MMA test on CUDA 13.4 #20276

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Merged
spectrometerHBH merged 1 commit into from
Sep 6, 2026
+4 −0
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[TIRx][Test] Gate collector-A-only block-scale MMA test on CUDA 13.4 #20276

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4 changes: 4 additions & 0 deletions tests/python/tirx/codegen/test_ptx_dialect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2419,6 +2419,10 @@ def sm107_collector_kernel(a_ptr: T.handle):
_assert_ptxas_ok(collector_src, arch="sm_107f")


@pytest.mark.skipif(
not env.has_nvcc_version(13, 4),
reason="collector-qualified block_scale MMA is a PTX 9.4 form; need nvcc >= 13.4",
)
@requires_nvcc
def test_ptx_tcgen05_mma_block_scale_collector_a_without_block_size():
"""SM107 activation-stationary FP8 accepts collector A without `.block*`."""
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