Created
April 13, 2021 06:34
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memory allocation policy comparison
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let a = 2; global y2 = Int[] | |
while a < 2^42 | |
a += a < .1*2^34 ? a : round(Int, .1*2^34) | |
push!(y2, a) | |
end | |
y2 | |
end; | |
let a = 2; global y3 = Int[] | |
while a < 2^46 | |
a += a | |
push!(y3, a) | |
end | |
y3 | |
end; | |
let a = 2; global y4 = Int[] | |
while a < 2^42 | |
a += a < .1*2^31 ? a : round(Int, .1*2^31) | |
push!(y4, a) | |
end | |
y4 | |
end; | |
let a = 2; global y5 = Int[] | |
while a < 2^46 | |
a += a < .1*2^42 ? a : round(Int, .1*2^42) | |
push!(y5, a) | |
end | |
end; | |
using Plots | |
let a = 2; global y = Int[] | |
while a < 2^42 | |
a += 4round(Int, a^(7/8)) + a ÷ 8 | |
push!(y, a) | |
end | |
y | |
end; | |
begin | |
plot(ylims=(0, 50), legend=:topleft) | |
plot!(searchsortedfirst.(Ref(y4), y), label="2GB") | |
plot!(searchsortedfirst.(Ref(y2), y), label="16GB") | |
plot!(searchsortedfirst.(Ref(y5), y), label="4TB") | |
plot!(searchsortedfirst.(Ref(y3), y), label="∞") | |
plot!(1:length(y), label="x=y") | |
end | |
Plots.savefig(ans, "fig.png") |
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