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Diffstat (limited to 'benchmark/bm_so_mandelbrot.rb')
| -rw-r--r-- | benchmark/bm_so_mandelbrot.rb | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/benchmark/bm_so_mandelbrot.rb b/benchmark/bm_so_mandelbrot.rb deleted file mode 100644 index 76331c64b8..0000000000 --- a/benchmark/bm_so_mandelbrot.rb +++ /dev/null @@ -1,57 +0,0 @@ -# The Computer Language Benchmarks Game -# http://shootout.alioth.debian.org/ -# -# contributed by Karl von Laudermann -# modified by Jeremy Echols - -size = 600 # ARGV[0].to_i - -puts "P4\n#{size} #{size}" - -ITER = 49 # Iterations - 1 for easy for..in looping -LIMIT_SQUARED = 4.0 # Presquared limit - -byte_acc = 0 -bit_num = 0 - -count_size = size - 1 # Precomputed size for easy for..in looping - -# For..in loops are faster than .upto, .downto, .times, etc. -for y in 0..count_size - for x in 0..count_size - zr = 0.0 - zi = 0.0 - cr = (2.0*x/size)-1.5 - ci = (2.0*y/size)-1.0 - escape = false - - # To make use of the for..in code, we use a dummy variable, - # like one would in C - for dummy in 0..ITER - tr = zr*zr - zi*zi + cr - ti = 2*zr*zi + ci - zr, zi = tr, ti - - if (zr*zr+zi*zi) > LIMIT_SQUARED - escape = true - break - end - end - - byte_acc = (byte_acc << 1) | (escape ? 0b0 : 0b1) - bit_num += 1 - - # Code is very similar for these cases, but using separate blocks - # ensures we skip the shifting when it's unnecessary, which is most cases. - if (bit_num == 8) - print byte_acc.chr - byte_acc = 0 - bit_num = 0 - elsif (x == count_size) - byte_acc <<= (8 - bit_num) - print byte_acc.chr - byte_acc = 0 - bit_num = 0 - end - end -end |