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ivarne/REPL.jl

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Last active December 25, 2015 03:29
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code.jl
abstract BTree
type Empty <: BTree
end
type Node <: BTree
info::Int
left::BTree
right::BTree
end
const min_depth = 4
function make(val, d)
if d > 0
Node(val, make(2*val-1, d-1), make(2*val, d-1))
else
Node(val, Empty(), Empty())
end
end
check(t::Empty) = 0
check(t::Node) = t.info + check(t.left) - check(t.right)
function binary_trees(N::Int=10)
max_depth = N
stretch_depth = max_depth + 1
c = check(make(0, stretch_depth))
long_lived_tree = make(0, max_depth)
d = min_depth
for i = 0:div(max_depth - d, 2)
niter = 1 << (max_depth - d + min_depth)
c = 0
for j = 1:niter
c += check(make(i, d)) + check(make(-i, d))
end
d += 2
end
end
Raw
REPL.jl
_
_ _ _(_)_ | A fresh approach to technical computing
(_) | (_) (_) | Documentation: http://docs.julialang.org
_ _ _| |_ __ _ | Type "help()" to list help topics
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 0.2.0-prerelease+3952
_/ |\__'_|_|_|\__'_| | Commit d0c2058 2013-10-06 19:08:09 UTC
|__/ | x86_64-w64-mingw32
julia> abstract BTree
.......type Empty <: BTree
.......end
.......type Node <: BTree
....... info::Int
....... left::BTree
....... right::BTree
.......end
.......const min_depth = 4
.......function make(val, d)
....... if d > 0
....... Node(val, make(2*val-1, d-1), make(2*val, d-1))
....... else
....... Node(val, Empty(), Empty())
....... end
.......end
.......check(t::Empty) = 0
.......check(t::Node) = t.info + check(t.left) - check(t.right)
.......function binary_trees(N::Int=10)
....... max_depth = N
....... stretch_depth = max_depth + 1
....... c = check(make(0, stretch_depth))
.......
....... long_lived_tree = make(0, max_depth)
....... d = min_depth
....... for i = 0:div(max_depth - d, 2)
....... niter = 1 << (max_depth - d + min_depth)
....... c = 0
....... for j = 1:niter
....... c += check(make(i, d)) + check(make(-i, d))
....... end
....... d += 2
....... end
.......end
binary_trees (generic function with 2 methods)
julia> @profile binary_trees(17)
julia> Profile.print()
1 multi.jl; event_loop; line: 1536
1 stream.jl; process_events; line: 508
810 none; check; line: 19
1 none; check; line: 19
2 none; check; line: 18
1 none; check; line: 19
4 none; check; line: 19
7 none; check; line: 19
5 none; check; line: 19
+14 5 none; check; line: 19
+35 5 none; check; line: 19
+43 1 none; check; line: 19
1 none; check; line: 19
32 none; check; line: 19
1 none; check; line: 19
28 none; check; line: 19
+2 2 none; check; line: 19
+5 1 none; check; line: 19
+15 9 none; check; line: 19
+23 1 none; check; line: 18
+24 2 none; check; line: 18
606 none; check; line: 19
1 none; check; line: 19
1 none; check; line: 19
+2 480 none; check; line: 19
+13 2 none; check; line: 19
+14 2 none; check; line: 19
+15 1 none; check; line: 19
+23 315 none; check; line: 19
+31 1 none; check; line: 18
+33 2 none; check; line: 19
+36 1 none; check; line: 19
+44 153 none; check; line: 19
+54 2 none; check; line: 19
+65 45 none; check; line: 19
+74 1 none; check; line: 18
+86 29 none; check; line: 19
+94 1 none; check; line: 19
+107 16 none; check; line: 19
+128 1 none; check; line: 19
2 none; make; line: 12
12 none; make; line: 13
12 none; make; line: 15
1 none; make; line: 15
86 profile.jl; anonymous; line: 14
1 none; binary_trees; line: 23
85 none; binary_trees; line: 32
1 none; make; line: 12
19 none; make; line: 13
18 none; make; line: 13
+8 1 none; make; line: 15
+9 17 none; check; line: 19
+13 17 none; make; line: 13
+22 2 none; make; line: 12
+22 2 none; make; line: 13
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1 none; make; line: 15
57 none; check; line: 19
+13 51 none; check; line: 19
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362 none; check; line: 19
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1 none; make; line: 12
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+18384 1 stream.jl; write!; line: 667
***Repl Closed***
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