throttled
Create a throttled function, which calls the given function f at most once per given interval max_delay.
It is leading (f is invoked immediately) and not trailing (calls during a cooldown period are ignored).
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"Create a throttled function, which calls the given function `f` at most once per given interval `max_delay`.
It is _leading_ (`f` is invoked immediately) and _not trailing_ (calls during a cooldown period are ignored)."
function throttled(f::Function, max_delay::Real, initial_offset::Real=0)
# return f
() -> begin
now = time()
end
nothing
end
end
log (generic function with 1 method)👀 Reading hidden code
function log()
@info "Hello" rand()
end
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log()
Hello
0.3362369120617531
#1 (generic function with 1 method)t = throttled(log, 2, 5)
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t()
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0.03041815757751465let
a = time()
b = sqrt.([200])
time() - a
end
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With cooldown delay
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throttled2
Create a throttled function, which calls the given function f at most once per given interval max_delay.
It is leading (f is invoked immediately) and not trailing (calls during a cooldown period are ignored).
An optional third argument sets an initial cooldown period, default is 0. With a non-zero value, the throttle is no longer leading.
"Create a throttled function, which calls the given function `f` at most once per given interval `max_delay`.
It is _leading_ (`f` is invoked immediately) and _not trailing_ (calls during a cooldown period are ignored).
An optional third argument sets an initial cooldown period, default is `0`. With a non-zero value, the throttle is no longer _leading_."
function throttled2(f::Function, max_delay::Real, initial_offset::Real=0)
local last_run_at = time() - max_delay + initial_offset
# return f
() -> begin
now = time()
if now - last_run_at >= max_delay
f()
last_run_at = now
end
nothing
end
end
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