Details

Time bar (total: 19.9s)

sample54.0ms

Algorithm
intervals
Results
15.0ms45×body1280valid
13.0ms49×body640valid
9.0ms132×body80valid
4.0ms21×body320valid
1.0msbody160valid

simplify22.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
22.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.5b

localize10.0ms

Local error

Found 3 expressions with local error:

2.0b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite49.0ms

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-cbrt-cube add-exp-log insert-posit16 distribute-lft-out--
cbrt-div pow1/3 distribute-lft-out
sub-neg flip3-+ flip3-- diff-log flip-+ flip--
Counts
3 → 47
Calls
3 calls:
Slowest
42.0ms
(- (cbrt (+ x 1)) (cbrt x))
5.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series419.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
253.0ms
(cbrt x)
109.0ms
(- (cbrt (+ x 1)) (cbrt x))
57.0ms
(cbrt (+ x 1))

simplify2.0s

Counts
32 → 56
Calls
32 calls:
Slowest
321.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
318.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
317.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
211.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))
209.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))

prune562.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize46.0ms

Local error

Found 4 expressions with local error:

2.0b
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-log-exp
pow1 add-cbrt-cube add-exp-log insert-posit16
pow1/3
sub-neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 50
Calls
4 calls:
Slowest
22.0ms
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series987.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
305.0ms
(cbrt x)
271.0ms
(cbrt x)
270.0ms
(cbrt x)
141.0ms
(- (* (cbrt (+ x 1)) (cbrt (+ x 1))) (* (cbrt x) (cbrt x)))

simplify1.4s

Counts
24 → 62
Calls
24 calls:
Slowest
242.0ms
(- (+ (* 4/81 (pow (/ 1 (pow x 7)) 1/3)) (* 2/3 (pow (/ 1 x) 1/3))) (* 1/9 (pow (/ 1 (pow x 4)) 1/3)))
240.0ms
(- (+ (* 2/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 2/3)))
204.0ms
(/ (exp (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (exp (* (cbrt x) (cbrt x))))
174.0ms
(- (+ (* 2/3 (pow (/ 1 x) 1/3)) (pow (/ -1 x) -2/3)) (+ (* (pow (pow x 2) 1/3) (pow (cbrt -1) 2)) (* 1/9 (pow (/ 1 (pow x 4)) 1/3))))
164.0ms
(* (pow (* x -1) 1/3) (cbrt -1))

prune651.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.2b

localize40.0ms

Local error

Found 4 expressions with local error:

2.0b
(- (cbrt (+ x 1)) (cbrt x))
2.0b
(- (cbrt (+ x 1)) (cbrt x))
2.0b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)

rewrite110.0ms

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-cbrt-cube add-exp-log insert-posit16
sub-neg flip3-- diff-log flip-- distribute-lft-out
pow1/3
Counts
4 → 72
Calls
4 calls:
Slowest
42.0ms
(- (cbrt (+ x 1)) (cbrt x))
37.0ms
(- (cbrt (+ x 1)) (cbrt x))
28.0ms
(- (cbrt (+ x 1)) (cbrt x))
1.0ms
(cbrt x)

series598.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
257.0ms
(cbrt x)
125.0ms
(- (cbrt (+ x 1)) (cbrt x))
112.0ms
(- (cbrt (+ x 1)) (cbrt x))
104.0ms
(- (cbrt (+ x 1)) (cbrt x))

simplify3.5s

Counts
57 → 84
Calls
57 calls:
Slowest
344.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
313.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
302.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
298.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
283.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))

prune843.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize31.0ms

Local error

Found 4 expressions with local error:

16.9b
(- (/ (cbrt (+ -1 (* x x))) (cbrt (- x 1))) (cbrt x))
15.5b
(cbrt (+ -1 (* x x)))
0.6b
(cbrt x)
0.3b
(cbrt (- x 1))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
39×add-sqr-sqrt
26×cbrt-prod
12×*-un-lft-identity difference-of-squares
times-frac
add-cube-cbrt
add-log-exp
pow1 cbrt-div add-cbrt-cube add-exp-log insert-posit16
pow1/3
flip3-- flip-- distribute-lft-out--
sub-neg flip3-+ diff-log difference-of-sqr-1 flip-+
Counts
4 → 68
Calls
4 calls:
Slowest
57.0ms
(- (/ (cbrt (+ -1 (* x x))) (cbrt (- x 1))) (cbrt x))
2.0ms
(cbrt (- x 1))
2.0ms
(cbrt (+ -1 (* x x)))
1.0ms
(cbrt x)

series597.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
236.0ms
(cbrt x)
159.0ms
(cbrt (+ -1 (* x x)))
140.0ms
(- (/ (cbrt (+ -1 (* x x))) (cbrt (- x 1))) (cbrt x))
62.0ms
(cbrt (- x 1))

simplify5.6s

Counts
51 → 80
Calls
51 calls:
Slowest
388.0ms
(cbrt (- (* -1 -1) (* (* x x) (* x x))))
374.0ms
(- (* (pow (* x -1) 1/3) (cbrt -1)) (+ (* 1/9 (* (pow (/ -1 (pow x 5)) 1/3) (cbrt -1))) (* 1/3 (* (pow (/ -1 (pow x 2)) 1/3) (cbrt -1)))))
335.0ms
(- (pow -1 1/3) (+ (* 1/3 (* (pow x 2) (pow -1 1/3))) (* 1/9 (* (pow x 4) (pow -1 1/3)))))
292.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (* 5/81 (pow (/ 1 (pow x 8)) 1/3))) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
284.0ms
(cbrt (+ (pow -1 3) (pow (* x x) 3)))

prune628.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.2b

regimes101.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 29.8b

bsearch7.0ms

end0.0ms

sample1.6s

Algorithm
intervals
Results
704.0ms1267×body640valid
460.0ms1698×body1280valid
194.0ms4093×body80valid
84.0ms631×body320valid
61.0ms311×body160valid