Aggregated news from external sources
The encoding speed is ~450MB/s for K=2,M=1 (i.e. a RAID5 equivalent) and ~25MB/s for K=10,M=4.
It is also run with Highbank ARMv7 Processor rev 2 (v7l) (note the 2):
The encoding speed is ~650MB/s for K=2,M=1 (i.e. a RAID5 equivalent) and ~75MB/s for K=10,M=4.
Note: The code of the erasure code plugin does not contain any NEON optimizations.
Both run with the following:
TOTAL_SIZE=$((400 * 1024 * 1024)) \ CEPH_ERASURE_CODE_BENCHMARK=src/ceph_erasure_code_benchmark \ PLUGIN_DIRECTORY=src/.libs \ qa/workunits/erasure-code/bench.sh fplot jerasure