Use MAP_SHARED to allow sharing memory between processing

[shoumikhin]

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[pytorch-bot]

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❌ 1 New Failure, 1 Cancelled Job, 2 Unrelated Failures

As of commit 683fa14 with merge base 3a6c664 ():

NEW FAILURE - The following job has failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for examples/qualcomm/oss_scripts/llama/eval_llama_qnn.py:

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

• trunk / test-arm-backend (test_models_ethos-u85) / linux-job (gh)
  ##[error]The operation was canceled.

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• pull / test-models-linux (add, portable, linux.2xlarge) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)
• pull / test-models-linux (resnet50, xnnpack-quantization-delegation, linux.2xlarge) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)

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