[ET-VK] Print local workgroup size

[jorgep31415]

Stack from ghstack (oldest at bottom):

• 3996

• -> #3995

Before

Kernel Name                             Workgroup Size             Duration (ns)
===========                             ==============               ===========
nchw_to_tensor_float_texture3d          {512, 672, 4}                   13848640
conv2d_pw_clamp_float                   {512, 672, 16}                 124203820

After

Kernel Name                             Global Workgroup Size    Local Workgroup Size                 Duration (ns)
===========                             ====================     ====================                   ===========
nchw_to_tensor_float_texture3d          {512, 672, 4}            {4, 4, 4}                                 13806728
conv2d_pw_clamp_float                   {512, 672, 16}           {4, 4, 4}                                124192224

Differential Revision: D58476014

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3995

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:heavy_exclamation_mark: 1 Active SEVs

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• inductor_torchbench_perf jobs are broken due to numpy 2.0 update

:white_check_mark: You can merge normally! (1 Unrelated Failure)

As of commit bd6e2bf91f448c21c87c196df3457da4db9fa0b5 with merge base bcabc3757bda66c86aea493ea1b59e37351206ad ():

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

* [pull / unittest / macos / macos-job](https://hud.pytorch.org/pr/pytorch/executorch/3995#26329365831) ([gh](https://github.com/pytorch/executorch/actions/runs/9552538309/job/26329365831)) ([trunk failure](https://hud.pytorch.org/pytorch/executorch/commit/bcabc3757bda66c86aea493ea1b59e37351206ad#26258733321)) `##[error]The operation was canceled.`

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This pull request was exported from Phabricator. Differential Revision: D58476014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D58476014

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This pull request has been merged in pytorch/executorch@ed81c5ba03e7f84167eeea4f56ba3f799e7c2d33.