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util.throttle: Fix initial time setting (double accounting the first time) and fractional balance updates (0.1*10 was not the same as 1*1)

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This commit is contained in:
Waqas Hussain 2017-09-17 13:29:14 -04:00
parent 1574b7a818
commit 4cc9079746
1 changed files with 2 additions and 2 deletions
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4
util/throttle.lua
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@ -12,7 +12,7 @@ function throttle:update()
local newt = gettime();
local elapsed = newt - self.t;
self.t = newt;
local balance = floor(self.rate * elapsed) + self.balance;
local balance = (self.rate * elapsed) + self.balance;
if balance > self.max then
self.balance = self.max;
else
@ -40,7 +40,7 @@ function throttle:poll(cost, split)
end
local function create(max, period)
return setmetatable({ rate = max / period, max = max, t = 0, balance = max }, throttle_mt);
return setmetatable({ rate = max / period, max = max, t = gettime(), balance = max }, throttle_mt);
end
return {