There a very few but occasionally interesting use cases for read access
to block devices below /proc/sys:
- Read raw images behind drive letters which are not linked to regular
/dev/sdXN partitions. For example read decrypted images of VeraCrypt
partitions or container files:
Achim Gratz writes:
> That actually works, but the speedup is quite modest on my system
> (4C/8T) even though I've allowed it to use unlimited resources. So it
> basically forks slower than the runtime for each of the invocations is.
> Some more speedup can be had if the assembler is run on
Achim Gratz writes:
> b) Open up two pipes to an "xargs -P $ncpu/2 L 1 …" and feed in the file
> names.
That actually works, but the speedup is quite modest on my system
(4C/8T) even though I've allowed it to use unlimited resources. So it
basically forks slower than the runtime for each of the
