Programming Forums > Script Programming > Ruby

Jessehk · Feb 26th, 2007, 7:57 PM

In case you didn't know, a new virtual machine for Ruby called YARV (Yet Another Ruby VM) has been integrated into testing for Ruby 1.9.

In my own (very informal) testing, I've gotten speed ups of 2x to about 8x.
You can download it from the ruby-lang.org website.

Also, take a glance at this page for some benchmarks. http://www.antoniocangiano.com/artic...us-vs-cardinal

EDIT: I thought I'd add a little example.

 ruby Syntax (Toggle Plain Text) 
def fib(n)
  if n < 3
    1
  else
    fib(n - 1) + fib(n - 2)
  end
end
 
fib(34)
def fib(n)
  if n < 3
    1
  else
    fib(n - 1) + fib(n - 2)
  end
end

fib(34)

 python Syntax (Toggle Plain Text) 
def fib(n):
    if n < 3:
        return 1
    else:
        return fib(n - 1) + fib(n - 2)
 
fib(34)
def fib(n):
    if n < 3:
        return 1
    else:
        return fib(n - 1) + fib(n - 2)
        
fib(34)

Ruby 1.8.5

(Toggle Plain Text)

$ time ruby fib.rb

real    0m15.306s
user    0m13.273s
sys     0m1.984s

Python 2.4.4

(Toggle Plain Text)

$ time python fib.py

real    0m6.857s
user    0m6.736s
sys     0m0.036s

Ruby 1.9 (2007 - 02 - 25)

(Toggle Plain Text)

$ time /usr/local/src/ruby/ruby fib.rb

real    0m2.048s
user    0m2.012s
sys     0m0.016s

DaWei · Feb 26th, 2007, 8:06 PM

I'm going to muse that if one needs to be concerned about performance, then one needs a language that reflects one's ability to code, and not a language that reflects the abilities of some version of its own implementation. The latter approach leaves one chasing after chimera, rather than ability.

Jessehk · Feb 26th, 2007, 8:14 PM

I'd agree that speed is not as important as the ability to be efficient when writing code.

I just made a point of this because many Ruby people have been complaining about the slow speed of the language. Now, there is some progress being made in that area. It's exciting.

Feb 26th, 2007, 7:57 PM	#1
Jessehk The Oblivious One Join Date: May 2005 Location: Ontario, Canada Posts: 630 Rep Power: 4	Ruby speed improvements with YARV In case you didn't know, a new virtual machine for Ruby called YARV (Yet Another Ruby VM) has been integrated into testing for Ruby 1.9. In my own (very informal) testing, I've gotten speed ups of 2x to about 8x. You can download it from the ruby-lang.org website. Also, take a glance at this page for some benchmarks. http://www.antoniocangiano.com/artic...us-vs-cardinal EDIT: I thought I'd add a little example. ruby Syntax (Toggle Plain Text) def fib(n) if n < 3 1 else fib(n - 1) + fib(n - 2) end end fib(34) def fib(n) if n < 3 1 else fib(n - 1) + fib(n - 2) end end fib(34) python Syntax (Toggle Plain Text) def fib(n): if n < 3: return 1 else: return fib(n - 1) + fib(n - 2) fib(34) def fib(n): if n < 3: return 1 else: return fib(n - 1) + fib(n - 2) fib(34) Ruby 1.8.5 (Toggle Plain Text) $ time ruby fib.rb real 0m15.306s user 0m13.273s sys 0m1.984s $ time ruby fib.rb real 0m15.306s user 0m13.273s sys 0m1.984s Python 2.4.4 (Toggle Plain Text) $ time python fib.py real 0m6.857s user 0m6.736s sys 0m0.036s $ time python fib.py real 0m6.857s user 0m6.736s sys 0m0.036s Ruby 1.9 (2007 - 02 - 25) (Toggle Plain Text) $ time /usr/local/src/ruby/ruby fib.rb real 0m2.048s user 0m2.012s sys 0m0.016s $ time /usr/local/src/ruby/ruby fib.rb real 0m2.048s user 0m2.012s sys 0m0.016s __________________ Dr. Zoidberg: [ecstatic] I'm going to a movie... with FRIENDS! Last edited by Jessehk; Feb 26th, 2007 at 8:09 PM.

Feb 26th, 2007, 8:06 PM	#2
DaWei Resident Grouch Join Date: Jun 2005 Posts: 6,453 Rep Power: 10	I'm going to muse that if one needs to be concerned about performance, then one needs a language that reflects one's ability to code, and not a language that reflects the abilities of some version of its own implementation. The latter approach leaves one chasing after chimera, rather than ability. __________________ Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code. Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers

Feb 26th, 2007, 8:14 PM	#3
Jessehk The Oblivious One Join Date: May 2005 Location: Ontario, Canada Posts: 630 Rep Power: 4	I'd agree that speed is not as important as the ability to be efficient when writing code. I just made a point of this because many Ruby people have been complaining about the slow speed of the language. Now, there is some progress being made in that area. It's exciting. __________________ Dr. Zoidberg: [ecstatic] I'm going to a movie... with FRIENDS! Last edited by Jessehk; Feb 26th, 2007 at 8:28 PM. Reason: Missed DaWei's point completely. I was sick today, so I have an excuse. ;)

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Programming Forums > Script Programming > Ruby

Ruby speed improvements with YARV