Ruby » Ruby master

socket: avoid arg parsing in rsock_s_recvfrom_nonblock

• ext/socket/init.c (rsock_s_recvfrom_nonblock):
  avoid arg parsing with C API
  [ruby-core:71439] [Feature #11339]
• ext/socket/basicsocket.c (bsock_recv_nonblock):
  adjust for above change, make private
• ext/socket/socket.c (sock_recvfrom_nonblock): ditto
• ext/socket/udpsocket.c (udp_recvfrom_nonblock): ditto
• ext/socket/lib/socket.rb (BasicSocket#recv_nonblock):
  new wrapper for private method, move RDoc
  (Socket#recvfrom_nonblock): ditto
  (UDPSocket#recvfrom_nonblock): ditto

Note, not adding bm_recv_nonblock.rb to benchmark/ directory
since it is non-portable. It is only in this commit message.

Benchmark results + code
target 0: a (ruby 2.3.0dev (2015-11-12 trunk 52540) [x86_64-linux])
target 1: b (ruby 2.3.0dev (2015-11-12 avoid-kwarg-capi 52540) [x86_64-linux]

recv_nonblock

require 'socket'
nr = 1000000
msg = 'hello world'
buf = ''
size = msg.bytesize
UNIXSocket.pair(:SEQPACKET) do |a, b|
nr.times do
a.sendmsg(msg)
b.recv_nonblock(size, 0, buf, exception: false)
end
end

raw data:

[["recv_nonblock",
[[1.83511221408844,
1.8703329525887966,
1.8448856547474861,
1.859263762831688,
1.8331583738327026],
[1.5637447573244572,
1.4062932096421719,
1.4247371144592762,
1.4108827747404575,
1.4802536629140377]]]]

Elapsed time: 16.530452496 (sec)¶

benchmark results:
minimum results in each 5 measurements.
Execution time (sec)
name a b
recv_nonblock 1.833 1.406

Speedup ratio: compare with the result of `a' (greater is better)
name b
recv_nonblock 1.304

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e