brixen

$ bin/rbx -Xrbx.gc_stats compile-ng kernel/
...

Garbage collector stats:

Young (6)                         total           max           min       average
---------------------------------------------------------------------------------
Collections                          97
 times                            1.20s        24.47m         5.31m        12.39m
 objects promoted               557,575        45,470         2,596      5,748.20

brixen

class Foo
  def initialize(a, b)
    blah a
    burp b
  end

  def blah(a)
    @a = a
  end

brixen

gauss:rubinius brian$ bin/rbx -XJ -e '1000.times { 1 }'
Assertion failed: (getOperand(0)->getType() == getOperand(1)->getType() && "Both operands to ICmp instruction are not of the same type!"), function ICmpInst, file vm/external_libs/llvm/include/llvm/Instructions.h, line 722.

brixen

gauss:rubinius brian$ git diff kernel/delta/
diff --git a/kernel/delta/profiler.rb b/kernel/delta/profiler.rb
index 172108e..5d2cca0 100644
--- a/kernel/delta/profiler.rb
+++ b/kernel/delta/profiler.rb
@@ -98,6 +98,7 @@ module Rubinius
       def flat(out)
         total_calls = 0
         total = 0.0
+        cumulative_total = 0.0

brixen

$ bin/rbx -Xrbx.gc_stats compile-ng -s ^kernel:runtime -T all -V kernel/

Garbage collector stats:

Young (6)                         total           max           min       average
---------------------------------------------------------------------------------
Collections                         159
 times                            1.59s        55.95m         3.70m         9.98m
 objects promoted               624,489        44,572           649      3,927.60
 objects copied               4,765,777        54,881         2,851     29,973.44

brixen

index  % time     self  children         called       name
----------------------------------------------------------
                  3.26      8.84    1827814/5520110        Rubinius::CompiledFile::Marshal#to_varint [10]
                  1.16      3.04    1680134/3360268        Rubinius::CompiledFile::Marshal#marshal {} [43]
                  3.78      1.30     728310/8922985        Rubinius::CompiledFile::Marshal#marshal [8]
                  0.32      0.14      53548/668349         String#gsub [0]
                  0.34      0.07      31567/608739         Rubinius::Sprintf#parse [0]
                  0.08      0.03      13756/138301         String#sub [0]
                  0.07      0.01       8668/77712          String#to_sub_replacement [0]
                  0.06      0.03       6767/30453          IO#read_all [0]

brixen

gauss:rubinius brian$ bin/rbx -r profile compile-ng -s ^kernel:runtime -T all -V kernel/

Total running time: 20.178009108s

  %   cumulative   self                self     total
 time   seconds   seconds      calls  ms/call  ms/call  name
------------------------------------------------------------
   9.50   20.12      1.92     295983     0.01     0.07  Array#each
   9.00    3.06      1.82    1027797     0.00     0.00  String#<<
   4.99    3.07      1.01     468033     0.00     0.01  Rubinius::CompiledFile::Marshal#to_varint

brixen

  def self.groups
    g = []
    FFI::MemoryPointer.new(:int, @maxgroups) { |p|
      num_groups = Platform::POSIX.getgroups(@maxgroups, p)
      Errno.handle if num_groups == -1
      g = p.read_array_of_int(num_groups)
    }
    g
  end

brixen

gauss:rubinius brian$ ./configure --enable-llvm
Using LLVM: auto
  Checking for existing LLVM tree: found!
gauss:rubinius brian$ rake -q clean
(in /Users/brian/devel/rubinius)
LLVM inclusion enabled.
gauss:rubinius brian$ rake -q
(in /Users/brian/devel/rubinius)
LLVM inclusion enabled.
GEN vm/gen/inst_list.hpp

brixen

gauss:rubinius brian$ bin/rbx -XJ test.rb 
Rehearsal --------------------------------------------
explicit   1.219852   0.000000   1.219852 (  1.219761)
implicit   0.694078   0.000000   0.694078 (  0.694147)
----------------------------------- total: 1.913930sec

               user     system      total        real
explicit   0.682056   0.000000   0.682056 (  0.682077)
implicit   0.681555   0.000000   0.681555 (  0.663507)
gauss:rubinius brian$ bin/rbx test.rb