Lambda runtimes

This page was generated from content adapted from the AWS Developer Guide

Runtime modifications

  • Note Invocations may fail if the wrapper script does not successfully start the runtime process.

Tutorial – Custom runtime

  • Note On Windows, some Bash CLI commands that you commonly use with Lambda (such as zip) are not supported by the operating system's built-in terminals. To get a Windows-integrated version of Ubuntu and Bash, install the Windows Subsystem for Linux.

  • Note Runtimes have additional responsibilities, including error handling, and providing context information to the handler. For details, see Building a custom runtime.

AVX2 vectorization

  • Note Lambda arm64 uses NEON SIMD architecture and does not support the x86 AVX2 extensions.

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