From 433af16167aec949c6345ad41b78b17c440b4a6d Mon Sep 17 00:00:00 2001 From: k0kubun Date: Tue, 10 Jul 2018 13:08:40 +0000 Subject: benchmark: drop all bm_ prefix for legacy driver.rb benchmark/*.rb is only benchmarks now. We don't need prefixes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- benchmark/so_sieve.rb | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 benchmark/so_sieve.rb (limited to 'benchmark/so_sieve.rb') diff --git a/benchmark/so_sieve.rb b/benchmark/so_sieve.rb new file mode 100644 index 0000000000..43dc302648 --- /dev/null +++ b/benchmark/so_sieve.rb @@ -0,0 +1,24 @@ +# from http://www.bagley.org/~doug/shootout/bench/sieve/sieve.ruby +num = 500 +count = i = j = 0 +flags0 = Array.new(8192,1) +k = 0 +while k < num + k += 1 + count = 0 + flags = flags0.dup + i = 2 + while i<8192 + i += 1 + if flags[i] + # remove all multiples of prime: i + j = i*i + while j < 8192 + j += i + flags[j] = nil + end + count += 1 + end + end +end +count -- cgit v1.2.3