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Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more
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[Mosaic GPU] Guard `bf16` <-> `f8e4m3fn`/`f8e5m2` conversions on Blackwell+ (`sm_100`+). #41863

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copybara-service[bot] opened 2:52pm on October 21, 2026 wanted to merge 1 commit into google/jax main from
test_1003994976

Pull Request Overview

  • Opened on October 21, 2026
  • Status Merged
  • Commit count 1 with first commit October 21, 2026

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[Mosaic GPU] Guard `bf16` <-> `f8e4m3fn`/`f8e5m2` conversions on Blackwell+ (`sm_100`+).

[Mosaic GPU] Guard bf16 <-> f8e4m3fn/f8e5m2 conversions on Blackwell+ (sm_100+).

cvt.{e4m3x2,e5m2x2}.bf16x2 and cvt.bf16x2.{e4m3x2,e5m2x2} are not supported pre-Blackwell (arch.major < 10).

PR was closed without comments.

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