Details

Time bar (total: 16.7s)

sample301.0ms

Algorithm
intervals
Results
149.0ms235×body10240exit
21.0ms413×body80nan
12.0ms226×body80valid
4.0ms33×body160valid

simplify880.0ms

Counts
1 → 1
Iterations
IterNodes
done5000
6752
5179
474
340
228
119
010

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (exp x) 2.0)
0.0b
(/ (- (pow (exp x) 2.0) 1.0) (- (exp x) 1.0))
6.6b
(- (pow (exp x) 2.0) 1.0)
6.7b
(- (exp x) 1.0)

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
74×add-sqr-sqrt
53×*-un-lft-identity
35×times-frac
30×difference-of-squares
21×add-cube-cbrt
16×distribute-lft-out--
10×unpow-prod-down
add-log-exp sqr-pow
associate-/l*
add-cbrt-cube add-exp-log
pow1 associate-/r*
pow-pow flip3-- flip--
pow-unpow exp-prod
sub-neg diff-log associate-/r/ associate-/l/
pow-to-exp cbrt-undiv clear-num frac-2neg div-sub div-exp pow-exp div-inv
Counts
4 → 114
Calls
4 calls:
7.0ms
(pow (exp x) 2.0)
77.0ms
(/ (- (pow (exp x) 2.0) 1.0) (- (exp x) 1.0))
17.0ms
(- (pow (exp x) 2.0) 1.0)
11.0ms
(- (exp x) 1.0)

series299.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(pow (exp x) 2.0)
92.0ms
(/ (- (pow (exp x) 2.0) 1.0) (- (exp x) 1.0))
36.0ms
(- (pow (exp x) 2.0) 1.0)
36.0ms
(- (exp x) 1.0)

simplify869.0ms

Counts
126 → 126
Iterations
IterNodes
done5000
21607
1463
0183

prune597.0ms

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
(sqrt (* (+ (sqrt 1.0) (pow (exp x) (/ 2.0 2))) (/ (- (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) (- (exp x) 1.0))))
0.0b
(+ (sqrt 1.0) (pow (exp x) (/ 2.0 2)))
6.7b
(- (exp x) 1.0)
6.7b
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×*-un-lft-identity add-log-exp
pow1 difference-of-squares
sqrt-div
add-cbrt-cube add-exp-log add-cube-cbrt sqrt-prod
flip3-+ flip-+
frac-times sub-neg unpow-prod-down sqrt-pow1 flip3-- diff-log associate-*l/ flip-- distribute-lft-out-- sqr-pow
+-commutative sum-log pow1/2 pow-prod-down associate-*r/ distribute-lft-out
Counts
4 → 61
Calls
4 calls:
53.0ms
(sqrt (* (+ (sqrt 1.0) (pow (exp x) (/ 2.0 2))) (/ (- (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) (- (exp x) 1.0))))
22.0ms
(+ (sqrt 1.0) (pow (exp x) (/ 2.0 2)))
17.0ms
(- (exp x) 1.0)
44.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

series483.0ms

Counts
4 → 12
Calls
4 calls:
394.0ms
(sqrt (* (+ (sqrt 1.0) (pow (exp x) (/ 2.0 2))) (/ (- (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) (- (exp x) 1.0))))
31.0ms
(+ (sqrt 1.0) (pow (exp x) (/ 2.0 2)))
17.0ms
(- (exp x) 1.0)
40.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

simplify888.0ms

Counts
73 → 73
Iterations
IterNodes
done5000
21900
1462
0191

prune383.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (pow (exp x) (/ 2.0 2)) 3)
6.7b
(- (exp x) 1.0)
6.7b
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))
6.7b
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
17×unpow-prod-down
15×*-un-lft-identity
13×difference-of-squares
10×add-log-exp
add-cube-cbrt
cube-prod sqr-pow
sqrt-prod
add-cbrt-cube add-exp-log
pow1 pow-exp
pow-unpow sub-neg flip3-- diff-log flip-- distribute-lft-out--
pow-to-exp
cube-mult pow-pow unpow3 rem-cube-cbrt
Counts
4 → 85
Calls
4 calls:
5.0ms
(pow (pow (exp x) (/ 2.0 2)) 3)
8.0ms
(- (exp x) 1.0)
35.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))
38.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

series298.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(pow (pow (exp x) (/ 2.0 2)) 3)
21.0ms
(- (exp x) 1.0)
54.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))
47.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

simplify870.0ms

Counts
97 → 97
Iterations
IterNodes
done5000
21256
1339
0128

prune533.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3))
0.1b
(pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3)
6.7b
(- (exp x) 1.0)
6.7b
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
14×cbrt-prod
10×unpow-prod-down add-cube-cbrt
cube-prod add-log-exp
difference-of-squares
pow1 add-cbrt-cube add-exp-log
cube-div distribute-lft-out sqr-pow
pow-unpow sqrt-prod
cube-mult cbrt-div sub-neg flip3-+ flip3-- diff-log unpow3 flip-+ flip-- distribute-lft-out--
pow-to-exp pow-pow pow1/3 pow-exp rem-cbrt-cube rem-cube-cbrt
Counts
4 → 85
Calls
4 calls:
31.0ms
(cbrt (pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3))
30.0ms
(pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3)
8.0ms
(- (exp x) 1.0)
19.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

series227.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(cbrt (pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3))
129.0ms
(pow (+ (pow (exp x) (/ 2.0 2)) (sqrt 1.0)) 3)
15.0ms
(- (exp x) 1.0)
34.0ms
(- (pow (exp x) (/ 2.0 2)) (sqrt 1.0))

simplify1.4s

Counts
97 → 97
Iterations
IterNodes
done5002
22163
1453
0163

prune446.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes64.0ms

Accuracy

77.1% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 3.2b

bsearch94.0ms

Steps
ItersRangePoint
9
-22.455199697559465
-3.034734332568842e-06
-1.3366795942010554e-05

simplify9.0ms

Iterations
IterNodes
done36
136
029

end0.0ms

sample7.5s

Algorithm
intervals
Results
4.2s6649×body10240exit
1.4s12634×body80nan
1.0s7388×body80valid
164.0ms752×body160valid