[ddelgrosso1]

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Fixes #<issue_number_goes_here> 🦕

[gemini-code-assist]

Code Review

This pull request optimizes the CRC32C calculation by implementing a slicing-by-8 lookup table algorithm in the update method, processing 8 bytes at a time, and adds extensive unit tests to verify correctness across various scenarios (RFC test vectors, unaligned views, remainder lengths, etc.). Feedback suggests optimizing the loop condition in the hot path by pre-calculating the loop limit to avoid addition in each iteration.

[ddelgrosso1]

I ran a local benchmark (not against live GCS) stubbing the HTTP layer (startResumableUpload_ and requestStream) with in-memory streams and piping 64 KiB chunks through createWriteStream and createReadStream with CRC32C validation enabled.

In-memory stream + CRC32C processing speed went from ~216 MiB/s to ~1,070 MiB/s (~5x faster), cutting time per GiB from ~4.7s down to ~0.95s.