Details

Time bar (total: 8.1s)

sample64.0ms

Algorithm
intervals
Results
18.0ms64×body1280valid
10.0msbody160valid
9.0ms138×body80valid
5.0ms26×body640valid
4.0ms22×body320valid

simplify3.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.4b

localize14.0ms

Local error

Found 3 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
14×*-un-lft-identity
13×add-sqr-sqrt
add-cube-cbrt add-log-exp
difference-of-squares
pow1 add-exp-log add-cbrt-cube distribute-lft-out--
cbrt-div pow1/3 distribute-lft-out
sub-neg flip3-- flip3-+ diff-log flip-- flip-+
Counts
3 → 44
Calls
3 calls:
14.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
53.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series623.0ms

Counts
3 → 9
Calls
3 calls:
139.0ms
(cbrt (+ x 1.0))
284.0ms
(cbrt x)
200.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify66.0ms

Counts
53 → 53

prune232.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 11.4b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (- (cbrt (+ x 1.0)) (cbrt x)) 3)
0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
32×*-un-lft-identity
31×cbrt-prod
12×difference-of-squares
10×unpow-prod-down cube-prod
add-cube-cbrt distribute-lft-out--
add-log-exp
pow1 add-exp-log add-cbrt-cube
distribute-lft-out
pow-unpow
cube-div cbrt-div flip3-- pow1/3 flip--
cube-mult pow-to-exp sub-neg pow-pow flip3-+ diff-log unpow3 pow-exp flip-+ rem-cube-cbrt sqr-pow
Counts
4 → 83
Calls
4 calls:
80.0ms
(pow (- (cbrt (+ x 1.0)) (cbrt x)) 3)
8.0ms
(cbrt (+ x 1.0))
2.0ms
(cbrt x)
83.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series884.0ms

Counts
4 → 12
Calls
4 calls:
277.0ms
(pow (- (cbrt (+ x 1.0)) (cbrt x)) 3)
119.0ms
(cbrt (+ x 1.0))
241.0ms
(cbrt x)
247.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify69.0ms

Counts
95 → 95

prune396.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.6b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite170.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
27×cbrt-prod
26×*-un-lft-identity
12×difference-of-squares
10×add-log-exp
distribute-lft-out--
add-cube-cbrt
pow1 add-exp-log add-cbrt-cube
sub-neg flip3-- diff-log flip-- distribute-lft-out
pow1/3
Counts
4 → 68
Calls
4 calls:
2.0ms
(cbrt x)
64.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
50.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
51.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series865.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(cbrt x)
201.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
224.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
214.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify54.0ms

Counts
80 → 80

prune465.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.6b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt x))
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))
2.7b
(- (cbrt (+ x 1.0)) (cbrt x))
21.0b
(- (cbrt (+ x 1.0)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
22×add-sqr-sqrt
20×*-un-lft-identity
10×add-log-exp
difference-of-squares
add-cube-cbrt distribute-lft-out--
pow1 add-exp-log add-cbrt-cube
sub-neg flip3-- diff-log flip--
distribute-lft-out
pow1/3
Counts
4 → 64
Calls
4 calls:
1.0ms
(cbrt (cbrt x))
66.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
56.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
97.0ms
(- (cbrt (+ x 1.0)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

series1.6s

Counts
4 → 12
Calls
4 calls:
808.0ms
(cbrt (cbrt x))
232.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
243.0ms
(- (cbrt (+ x 1.0)) (cbrt x))
277.0ms
(- (cbrt (+ x 1.0)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

simplify88.0ms

Counts
76 → 76

prune517.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 8.6b

regimes62.0ms

Accuracy

97.9% (0.5b remaining)

Error of 8.7b against oracle of 8.2b and baseline of 30.0b

bsearch80.0ms

Steps
ItersRangePoint
10
1.5265582717444966e-05
421651.551737869
0.0012730151155140351
9
-3616.0534617336225
-0.01082959410075795
-1.0092562762862982

simplify50.0ms

end0.0ms

sample1.3s

Algorithm
intervals
Results
402.0ms1689×body1280valid
274.0ms4075×body80valid
250.0ms1241×body640valid
125.0ms626×body320valid
29.0ms369×body160valid