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What Affects Array Language Performance?
The Array Cast
BQN Performance Benchmarks
BQN has some advantages in the even in the language design itself over APL&J. J doesn't optimize as much in terms of the types it uses to represent things so that's really hurting performance. Bq is going to get that eight times speed up from storing it in a byte or four bytes, but not necessarily always the case for other languages. The number one rule of performance is benchmark everything measure you know as much as you can and then have an idea of which primitive you want to use more than others.
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