Sha256: 1f3466a2cc51ddee618d1d0ea34fca95b889a9f7cb704852640b2b4329d2cf0c
Contents?: true
Size: 1.74 KB
Versions: 8
Compression:
Stored size: 1.74 KB
Contents
# encoding: utf-8
require 'benchmark'
require 'bindata'
Benchmark.bm do |x|
x.report {
# Original IPFIX version, simplified
k = 'flowStartMilliseconds'
data = '1000'
v = BinData::String.new(:read_length => 4)
v.read(data)
2000000.times do
case k.to_s
when /^flow(?:Start|End)Seconds$/
event = 'blah'
when /^flow(?:Start|End)(Milli|Micro|Nano)seconds$/
case $1
when 'Milli'
event = v.snapshot.to_f / 1_000
end
end
end }
x.report {
# Verion that omits v.snapshot, simplified
k = 'flowStartMilliseconds'
data = '1000'
v = BinData::String.new(:read_length => 4)
v.read(data)
2000000.times do
case k.to_s
when /^flow(?:Start|End)Seconds$/
event = 'blah'
when /^flow(?:Start|End)(Milli|Micro|Nano)seconds$/
case $1
when 'Milli'
event = data.to_f / 1_000
end
end
end }
x.report {
# Original Netflow9 version, simplified
class MockFlowset < BinData::Record
endian :little
uint8 :uptime
uint8 :unix_sec
end
SWITCHED = /_switched$/
data1 = 'AB'
flowset = MockFlowset.read(data1)
k = 'first_switched'
v = 20
2000000.times do
case k.to_s
when SWITCHED
millis = flowset.uptime - v
seconds = flowset.unix_sec - (millis / 1000)
# v9 did away with the nanosecs field
micros = 1000000 - (millis % 1000)
event = v
else
event = 'blah'
end
end }
end
# user system total real
# 4.730000 0.000000 4.730000 ( 4.731333)
# 2.400000 0.000000 2.400000 ( 2.401072)
# 2.750000 0.000000 2.750000 ( 2.747525)
Version data entries
8 entries across 8 versions & 1 rubygems