57 lines
1.2 KiB
Lua
57 lines
1.2 KiB
Lua
local bench = script and require(script.Parent.bench_support) or require("bench_support")
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function test()
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local count = 1
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local function fill_tree(tree, levels)
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local left = tree.left;
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local right = tree.right;
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if not left then
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left = { id = count }
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count = count + 1
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end
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if not right then
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right = { id = count }
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count = count + 1
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end
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if levels ~= 0 then
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fill_tree(left, levels - 1)
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fill_tree(right, levels - 1)
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end
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tree.left = left;
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tree.right = right;
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end
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local function prune_tree(tree, level)
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if tree.left then
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if math.random() > 0.9 - level * 0.05 then
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tree.left = nil
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else
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prune_tree(tree.left, level + 1)
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end
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end
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if tree.right then
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if math.random() > 0.9 - level * 0.05 then
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tree.right = nil
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else
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prune_tree(tree.right, level + 1)
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end
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end
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end
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local tree = { id = 0 }
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for i = 1,100 do
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fill_tree(tree, 10)
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prune_tree(tree, 0)
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end
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end
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bench.runCode(test, "GC: tree pruning (lazy fill)")
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