68795fb1a5
Motivation: We need a simple API to efficiently iterate a buffer. We've used the ByteProcessor so far, and while its internal iteration API is simple, it looses some efficiency by forcing code to only consider one byte at a time. Modification: The ByteIterator fills the same niche as the ByteProcessor, but uses external iteration instead of internal iteration. This allows integrators to control the pace of iteration, and it makes it possible to expose methods for consuming bytes in bulk; one long of 8 bytes at a time. This makes it possible to use the iterator in SIMD-Within-A-Register, or SWAR, data processing algorithms. Result: We have a ByteIterator for efficiently processing data within a buffer. |
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