Details

Time bar (total: 6.4s)

sample50.0ms

Algorithm
intervals
Results
11.0ms553×body80nan
11.0ms253×body160nan
7.0ms256×body80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1109
2119
done119

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.4b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (+ x (sqrt (- (* x x) 1.0))))
0.0b
(- (* x x) 1.0)
0.0b
(+ x (sqrt (- (* x x) 1.0)))
30.1b
(sqrt (- (* x x) 1.0))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-sqr-sqrt
add-log-exp
pow1 add-cube-cbrt
add-exp-log
log-prod sqrt-prod add-cbrt-cube
log-div flip3-- flip3-+ sqrt-div flip-- flip-+ distribute-lft-out difference-of-squares
+-commutative sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log rem-log-exp sum-log log-pow
Counts
4 → 56
Calls
4 calls:
16.0ms
(log (+ x (sqrt (- (* x x) 1.0))))
8.0ms
(- (* x x) 1.0)
20.0ms
(+ x (sqrt (- (* x x) 1.0)))
11.0ms
(sqrt (- (* x x) 1.0))

series363.0ms

Counts
4 → 12
Calls
4 calls:
197.0ms
(log (+ x (sqrt (- (* x x) 1.0))))
46.0ms
(- (* x x) 1.0)
65.0ms
(+ x (sqrt (- (* x x) 1.0)))
54.0ms
(sqrt (- (* x x) 1.0))

simplify1.2s

Counts
68 → 68
Iterations

Useful iterations: done (1.2s)

IterNodesCost
0148916
1325835
2897750
33020732
done5001726

prune161.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(log (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
0.5b
(/ 0.125 (pow x 3))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
40×times-frac
30×*-un-lft-identity
28×add-cube-cbrt
13×unpow-prod-down cube-prod
12×associate-/r*
log-prod
add-exp-log
difference-of-squares sqr-pow
cube-mult log-div unpow3 add-cbrt-cube
pow1 div-exp associate-/l*
flip3-- frac-sub flip-- add-log-exp
cbrt-undiv pow-to-exp frac-2neg rem-log-exp pow-exp clear-num log-pow div-inv distribute-lft-out--
Counts
2 → 87
Calls
2 calls:
55.0ms
(log (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
8.0ms
(/ 0.125 (pow x 3))

series198.0ms

Counts
2 → 6
Calls
2 calls:
160.0ms
(log (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
38.0ms
(/ 0.125 (pow x 3))

simplify654.0ms

Counts
93 → 93
Iterations

Useful iterations: done (650.0ms)

IterNodesCost
02041459
14221276
212741216
done50001204

prune195.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
0.5b
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
0.5b
(/ 0.125 (pow x 3))
0.5b
(/ 0.125 (pow x 3))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
82×add-sqr-sqrt
80×times-frac
60×*-un-lft-identity
56×add-cube-cbrt
26×unpow-prod-down cube-prod
24×associate-/r*
18×cbrt-prod
14×add-exp-log
10×difference-of-squares sqr-pow
cube-mult cbrt-div unpow3 add-cbrt-cube
div-exp associate-/l*
pow1 flip3-- frac-sub flip-- add-log-exp
cbrt-undiv pow-to-exp frac-2neg pow1/3 pow-exp clear-num div-inv distribute-lft-out--
Counts
4 → 172
Calls
4 calls:
49.0ms
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
51.0ms
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
8.0ms
(/ 0.125 (pow x 3))
9.0ms
(/ 0.125 (pow x 3))

series562.0ms

Counts
4 → 12
Calls
4 calls:
238.0ms
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
242.0ms
(cbrt (- (- (* 2 x) (/ 0.5 x)) (/ 0.125 (pow x 3))))
43.0ms
(/ 0.125 (pow x 3))
39.0ms
(/ 0.125 (pow x 3))

simplify702.0ms

Counts
184 → 184
Iterations

Useful iterations: done (695.0ms)

IterNodesCost
02153052
14482686
213572604
done50002500

prune569.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes11.0ms

Accuracy

0% (0.0b remaining)

Error of 0.2b against oracle of 0.2b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
11314
done1314

end0.0ms

sample1.4s

Algorithm
intervals
Results
358.0ms7853×body160nan
338.0ms16650×body80nan
228.0ms8000×body80valid