This is a really dumb algorithm but is simple to understand
for unit testing purposes. It counts the number of consecutive
bytes with the same value, and then stores the number of bytes
with that value, and the byte value itself. For example:
0xA1 0xA1 0xA2 0xA3 0xA3 0xA3 0xA3 0xA3 0xA3
would be compressed to:
0x02 0xA1 0x01 0xA2 0x06 0xA3
This will make it easy to generate specific data sequences
that compress to specific sizes to validate the different
compression paths through the reduce library.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0d48f98c080b9cdacb25433f53f44df7ada78c0a
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449072
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
ac3077c3ea