Thus far, unpack"C" is the fastest. vec is 9% faster on a small input, 2% on a larger input, so there may be setup overhead there?

substr is about 10% slower than vec.

The regex/g is 1/3 to 1/2 the speed of substr. And using IO::Scalar is ten times slower than that!

—John

In reply to Benchmark Results by John M. Dlugosz
in thread How to process each byte in a binary file? by John M. Dlugosz

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