On Tue, 24 Feb 2026 06:17:30 GMT, Jatin Bhateja <[email protected]> wrote:
>> Hi all, >> >> This patch optimizes SIMD kernels making heavy use of broadcasted inputs >> through following reassociating ideal transformations. >> >> >> VectorOperation (VectorBroadcast INP1, VectorBroadcast INP2) => >> VectorBroadcast (ScalarOpration INP1, INP2) >> >> VectorOperation (VectorBroadcast INP1) (VectorOperation (VectorBroadcast >> INP2) INP3) => >> VectorOperation INP3 (VectorOperation >> (VectorBroadcast INP1) (VectorOperation INP2)) >> >> >> The idea is to push broadcasts across the vector operation and replace the >> vector with an equivalent, cheaper scalar variant. Currently, patch handles >> most common vector operations. >> >> Following are the performance number of benchmark included with this patch >> on latest generation x86 targets:- >> >> **AMD Turin (2.1GHz)** >> <img width="1122" height="355" alt="image" >> src="https://github.com/user-attachments/assets/3f5087bf-0e14-4c56-b0c2-3d23253bad54"; >> /> >> >> **Intel Granite Rapids (2.1GHz)** >> <img width="1105" height="325" alt="image" >> src="https://github.com/user-attachments/assets/c8481f86-4db2-4c4e-bd65-51542c59fe63"; >> /> >> >> >> >> Kindly review and share your feedback. >> >> Best Regards, >> Jatin > > Jatin Bhateja has updated the pull request incrementally with one additional > commit since the last revision: > > Review comments resolutions Just scanned the PR description: VectorOperation (VectorBroadcast INP1) (VectorOperation (VectorBroadcast INP2) INP3) => VectorOperation INP3 (VectorOperation (VectorBroadcast INP1) (VectorOperation INP2)) I think it should be `VectorBroadcast INP2` in both cases, and not `VectorOperation INP2`, because `INP2` is scalar, right? ------------- PR Comment: https://git.openjdk.org/jdk/pull/25617#issuecomment-3950091432
