Can you please explain me why in the following code the second broadcasting results in 3 allocations? using BenchmarkTools u = rand(100) k1 = similar(u) k2 = similar(u) k3 = similar(u) k4 = similar(u) @btime @. $u = $u + 1 * ($k1 + $k2 + $k3) @btime @. $u = $u + 1 * ($k1 + $k2 + $k3 + $k4) @btime…

Strange allocations during broadcasting

fedoroff March 25, 2020, 4:33pm 4

Do you have any ideas where I can start to dig in?

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