Arm backend: Add FuseEqualPlaceholdersPass #9893
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This pass optimizes memory usage by finding constant placeholders pointing to identical tensors and fusing them to one single placeholder with multiple users. Change-Id: Ia125e120b9ba5acb6e91b2e671e6116a0beebaba Signed-off-by: Adrian Lundell <[email protected]>
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/9893
Note: Links to docs will display an error until the docs builds have been completed. ✅ You can merge normally! (1 Unrelated Failure)As of commit 5e2dbe5 with merge base 4717459 ( UNSTABLE - The following job is marked as unstable, possibly due to flakiness on trunk:
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qnn fails are unrelated |
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| @@ -61,7 +61,7 @@ tosa_reference_model_rev="70ed0b40fa831387e36abdb4f7fb9670a3464f5a" | |||
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| # vela | |||
| vela_repo_url="https://gitlab.arm.com/artificial-intelligence/ethos-u/ethos-u-vela" | |||
| vela_rev="425541302c7e4b6fbeca7c0061286b131ee507c3" | |||
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Thank you for the heads up @zingo / @AdrianLundell . I think we will pull this one in.
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This pass optimizes memory usage by finding constant placeholders pointing to identical tensors and fusing them to one single placeholder with multiple users.
Note that Ethos-U Vela is updated to include a bug fix related to shared buffers.
cc @digantdesai @freddan80 @per @zingo @oscarandersson8218