ajvondrak

! Using GVN
t "print-mr" set
t "print-checks" set
"math.vectors.simd" test

Unit Test: {
    [ V{ float } ]
    [ [ { float-4 } declare norm-sq ] final-classes ]
}
Unit Test: {

ajvondrak

def benchmarks(infile):
    bms = (line.split() for line in open(infile))
    return {bm:float(secs) for bm, secs in bms}

lvn = benchmarks('lvn.bench')
gvn = benchmarks('gvn.bench')

def diff(bm):
    return 100 * (gvn[bm] - lvn[bm]) / lvn[bm]

ajvondrak

USING: assocs fry io io.encodings.utf8 io.files kernel
path-finding regexp sequences splitting tools.crossref vocabs
vocabs.hierarchy vocabs.loader ;
IN: circular-dependencies

: vocab-source-code ( vocab -- str )
    vocab-source-path [ utf8 file-contents ] [ "" ] if* ;

: using-line ( source -- vocabs )
    R/ USING: [^;]* ;/s all-matching-subseqs ?first

ajvondrak

: fib ( a -- b b )
    { fixnum } declare [ 0 1 ] dip [ [ + ] keep swap >fixnum ] times ;

After tweaking ##parallel-copy live-ranges, we get the following out-of-SSA CFG (I've taken the liberty of renaming the vregs per the leader-map):

=== word: fib, label: fib

=== Basic block #0

##safepoint

ajvondrak

source 'http://rubygems.org'

gem 'activesupport', '4.2.4'
gem 'stackprof'
gem 'fast_blank', require: false

ajvondrak

source 'https://rubygems.org'

gem 'minitest', group: :test

gem 'goliath',
    git: '[email protected]:postrank-labs/goliath.git',
    ref: '1aeb2ae7e6d95a79897fda8d65bcdd4318336c53'

gem 'em-http-request' # required, but not declared...?

ajvondrak

2.7.1

ajvondrak

require 'bundler/inline'
gemfile { gem 'honeycomb-beeline', source: 'https://rubygems.org' }

### Configuration ##############################################################
#
# We look at the event for the `app.drop` field. If true, we drop the event. If
# false, we keep the event. We'll then look at how adding the `app.drop` field
# in different ways to different spots affects the overall trace.
#
################################################################################

ajvondrak

defmodule Algorithm do
  @enum ~w[forwarded x-forwarded-for x-client-ip x-real-ip]
  @mapset MapSet.new(@enum)

  def using_enum(input) do
    Enum.filter(input, &Enum.member?(@enum, &1))
  end

  def using_mapset(input) do
    Enum.filter(input, &MapSet.member?(@mapset, &1))