Details

Time bar (total: 26.7s)

sample472.0ms

Algorithm
intervals
Results
113.0ms46×body10240exit
72.0ms275×body80nan
42.0ms256×body80valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
72433
6740
5248
4110
345
222
113
07

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 3 expressions with local error:

0.0b
(sin (pow (sqrt (atan2 b b)) (- b a)))
0.1b
(pow (sqrt (atan2 b b)) (- b a))
1.0b
(sqrt (atan2 b b))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
*-un-lft-identity
add-cube-cbrt
pow1 unpow-prod-down sqrt-prod
pow-unpow
add-exp-log
pow-pow add-cbrt-cube insert-posit16 add-log-exp
unpow-prod-up sqrt-pow1 pow1/2
pow-to-exp rem-sqrt-square sub-neg pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
3 → 51
Calls
3 calls:
12.0ms
(sin (pow (sqrt (atan2 b b)) (- b a)))
10.0ms
(pow (sqrt (atan2 b b)) (- b a))
4.0ms
(sqrt (atan2 b b))

series135.0ms

Counts
3 → 9
Calls
3 calls:
79.0ms
(sin (pow (sqrt (atan2 b b)) (- b a)))
37.0ms
(pow (sqrt (atan2 b b)) (- b a))
18.0ms
(sqrt (atan2 b b))

simplify970.0ms

Counts
60 → 60
Iterations
IterNodes
42133
3900
2409
1182
078

prune484.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (sqrt (sqrt (atan2 b b))) (- b a))
0.0b
(pow (sqrt (sqrt (atan2 b b))) (- b a))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
24×sqrt-prod
20×add-sqr-sqrt
18×unpow-prod-down *-un-lft-identity
14×add-cube-cbrt
12×pow1
10×pow-unpow pow-pow sqrt-pow1
pow1/2 add-exp-log
unpow-prod-up add-cbrt-cube insert-posit16 add-log-exp
pow-to-exp rem-sqrt-square sub-neg pow-exp sqrt-pow2 distribute-lft-out-- pow-sub difference-of-squares sqr-pow
Counts
4 → 96
Calls
4 calls:
5.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
5.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
1.0ms
(sqrt (atan2 b b))
1.0ms
(sqrt (atan2 b b))

series107.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
40.0ms
(pow (sqrt (sqrt (atan2 b b))) (- b a))
11.0ms
(sqrt (atan2 b b))
20.0ms
(sqrt (atan2 b b))

simplify1.8s

Counts
108 → 108
Iterations
IterNodes
43383
31233
2517
1212
084

prune890.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize78.0ms

Local error

Found 4 expressions with local error:

1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log insert-posit16 add-log-exp
Counts
4 → 56
Calls
4 calls:
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))
2.0ms
(sqrt (atan2 b b))

series89.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(sqrt (atan2 b b))
22.0ms
(sqrt (atan2 b b))
22.0ms
(sqrt (atan2 b b))
23.0ms
(sqrt (atan2 b b))

simplify6.0s

Counts
68 → 68
Iterations
IterNodes
106978
91473
8463
7195
696
557
437
329
225
122
019

prune805.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.4b
(sqrt (pow (sqrt (sqrt (atan2 b b))) (- b a)))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))
1.0b
(sqrt (atan2 b b))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
36×sqrt-prod
18×add-sqr-sqrt
12×unpow-prod-down
11×*-un-lft-identity add-cube-cbrt
rem-sqrt-square
pow1
sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log insert-posit16 add-log-exp
unpow-prod-up sqr-pow
sub-neg sqrt-div pow-sub
Counts
4 → 73
Calls
4 calls:
4.0ms
(sqrt (pow (sqrt (sqrt (atan2 b b))) (- b a)))
1.0ms
(sqrt (atan2 b b))
1.0ms
(sqrt (atan2 b b))
3.0ms
(sqrt (atan2 b b))

series77.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(sqrt (pow (sqrt (sqrt (atan2 b b))) (- b a)))
11.0ms
(sqrt (atan2 b b))
11.0ms
(sqrt (atan2 b b))
11.0ms
(sqrt (atan2 b b))

simplify4.6s

Counts
85 → 85
Iterations
IterNodes
56977
41840
3690
2302
1152
088

prune894.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

regimes174.0ms

Accuracy

0% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 0.1b

bsearch0.0ms

simplify7.0ms

Iterations
IterNodes
221
121
017

end0.0ms

sample7.1s

Algorithm
intervals
Results
2.6s1797×body10240exit
2.1s9763×body80nan
1.9s7986×body80valid
7.0msbody2560valid
6.0msbody5120valid
3.0msbody1280valid
2.0msbody640valid
1.0msbody320valid
1.0msbody160valid