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Added bench/roulette.lua #9

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b0a75b4
Added bench/roulette.lua
lukego Oct 8, 2016
a71cd6d
roulette: Stop seeding the random number generator
lukego Oct 9, 2016
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21 changes: 21 additions & 0 deletions bench/roulette.lua
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Original file line number Diff line number Diff line change
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-- Russian Roulette simulator
-- This benchmark includes randomness from an external source that can
-- produce non-deterministic performance.
-- See https://github.com/LuaJIT/LuaJIT/issues/218

-- (Let the test harness determine the random seed)
-- math.randomseed(os.time())

local population = 100e6
local live = 0
local die = 0

for i = 1, population do
if math.random(6) == 6 then
die = die + 1
else
live = live + 1
end
end

print(("Survived %d/%d (%.3f%%)"):format(live, population, live*100/(live+die)))