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image loop benchmark

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Ryan Oldenburg 2021-05-24 19:40:06 -05:00
parent 2afcbaa621
commit 5358ec6d19
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tests/benchmark_image_loop.nim Normal file
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import benchy, pixie
let image = newImage(2560, 1440)
image.fill(rgba(50, 100, 150, 200))
timeIt "x then y":
var sum: uint64
for x in 0 ..< image.width:
for y in 0 ..< image.height:
let pixel = image.getRgbaUnsafe(x, y)
sum += pixel.r + pixel.g + pixel.b + pixel.a
if sum == 0:
echo "0"
keep sum
timeIt "y then x":
var sum: uint64
for y in 0 ..< image.height:
for x in 0 ..< image.width:
let pixel = image.getRgbaUnsafe(x, y)
sum += pixel.r + pixel.g + pixel.b + pixel.a
if sum == 0:
echo "0"
keep sum