[ET] enabling half dtype input for quantization

[ahmtox]

Stack from ghstack (oldest at bottom):

• [ET-VK][Ops] enabling double support for quantization and dequantization ops #11553
• [ET-VK][Ops] choose_qparams op shaders and impl #11557
• [ET-VK][Ops] dequantization op shaders and impl #11483
• [ET-VK][Ops] quantization op shaders and impl #11369
• [ET-VK][Ops] choose_qparams_per_token_asymmetric.default test setup #11556
• [ET-VK][Ops] choose_qparams.tensor test setup #11555
• [ET-VK][Ops] choose_qparams ops skeleton test framework #11554
• [ET-VK][Ops] dequantize_per_token.default test setup #11482
• [ET-VK][Ops] dequantize_per_tensor.default test setup #11481
• [ET-VK][Ops] dequantize ops skeleton test framework #11480
• [ET-VK][Ops] quantize_per_tensor.default test setup #11368
• [ET-VK][Ops] quantize_per_token.default test setup #11367
• [ET-VK][Ops] quantize ops skeleton test framework #11366
• [ET-VK][Ops] common test utils for converting aten types to vulkan types #11575
• [ET-VK] double, short, and uint16 dtype runtime support #11365
• [ET] enabling half dtype output for dequantization and making logic consistent #11552
• -> [ET] enabling half dtype input for quantization #11479

Improving the cpu implementation op_quantize to support input half dtype and adding additional testing

Differential Revision: D76053764

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11479

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❌ 4 New Failures, 1 Cancelled Job

As of commit 316d2c0 with merge base 8cfa858 ():

NEW FAILURES - The following jobs have failed:

• Build Presets / linux (pybind, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build (gh)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
• Build Presets / linux (pybind, linux.arm64.2xlarge, executorch-ubuntu-22.04-gcc11-aarch64) / build (gh)
  docker: Error response from daemon: Get "https://registry-1.docker.io/v2/": read tcp [2600:1f18:5438:e704:39a2:9419:50e5:747]:37566->[2600:1f18:2148:bc01:f43d:e203:cafd:8307]:443: read: connection reset by peer.
• Lint / link-check / lint-urls / linux-job (gh)
• Lint / lintrunner / linux-job (gh)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.

CANCELLED JOB - The following job was cancelled. Please retry:

• Build Presets / linux (llm, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build (gh)

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[manuelcandales]

LGTM

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764

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This pull request was exported from Phabricator. Differential Revision: D76053764