Kinsey Moore
7cc3bb777c
cpukit,spec: Swap JFFS2 to zlib CRC32
...
Move JFFS2 from the Cygwin implementation of CRC32 to the zlib
implementation which can take advantage of hardware acceleration and
reduces code duplication. Synthetic benchmarks on AArch64 hardware show
approximately a 17x improvement in CRC32 calculation speed and
real-world testing with JFFS2 shows a 1% improvement in mount times, a
5% improvement in data write times, and a 9% improvement in garbage
collection times.
A test was written to compare hash generation between the two algorithms
and a partition was created with one and then remounted with the other
with no errors.
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