The pipe buffer has obvious performance influence on arm64. The
following is my test result with 1core, we can also enable it
on arm64 currently like the posix socket. And later we can find
the optimal pipe size that won't cause a degradation for large
payloads.
randwrite randread
512 byte 61% 97%
4096 byte 84% 16%
16384 byte -13% -17%
Signed-off-by: Richael Zhuang <richael.zhuang@arm.com>
Change-Id: Ib4df60751c5e06ef9bd7fc7bb7efafa5ad4de211
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3329
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
612aa86b50