Details

Time bar (total: 38.1s)

sample43.0ms

Algorithm
intervals
Results
20.0ms51×body1280valid
7.0ms45×body640valid
6.0ms137×body80valid
2.0ms15×body320valid
1.0msbody160valid

simplify21.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
21.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.3b

localize13.0ms

Local error

Found 3 expressions with local error:

2.3b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite38.0ms

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
30.0ms
(- (cbrt (+ x 1)) (cbrt x))
5.0ms
(cbrt (+ x 1))
2.0ms
(cbrt x)

series425.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
268.0ms
(cbrt x)
122.0ms
(- (cbrt (+ x 1)) (cbrt x))
35.0ms
(cbrt (+ x 1))

simplify2.0s

Counts
32 → 56
Calls
32 calls:
Slowest
309.0ms
(- (+ (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)))))
266.0ms
(- (+ (* 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)))
262.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
253.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
221.0ms
(- (+ (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))))

prune600.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.3b

localize85.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (pow (cbrt (+ x 1)) 3) (pow (cbrt x) 3))
0.7b
(pow (cbrt x) 3)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
71×add-sqr-sqrt
52×cbrt-prod
42×unpow-prod-down cube-prod
41×*-un-lft-identity
36×difference-of-squares
13×distribute-lft-out-- sqr-pow
11×add-cube-cbrt
add-log-exp
pow1 add-exp-log
add-cbrt-cube insert-posit16 distribute-lft-out
pow-unpow pow1/3
pow-pow
cube-mult pow-to-exp difference-cubes sub-neg flip3-- diff-log unpow3 pow-exp flip-- rem-cube-cbrt
Counts
4 → 118
Calls
4 calls:
Slowest
75.0ms
(- (pow (cbrt (+ x 1)) 3) (pow (cbrt x) 3))
4.0ms
(pow (cbrt x) 3)
3.0ms
(cbrt x)
1.0ms
(cbrt x)

series967.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
352.0ms
(pow (cbrt x) 3)
290.0ms
(cbrt x)
250.0ms
(cbrt x)
76.0ms
(- (pow (cbrt (+ x 1)) 3) (pow (cbrt x) 3))

simplify24.4s

Counts
134 → 130
Calls
134 calls:
Slowest
682.0ms
(+ (pow (sqrt (cbrt (+ x 1))) 3) (pow (cbrt (sqrt x)) 3))
439.0ms
(+ (pow (cbrt (+ x 1)) (/ 3 2)) (pow (cbrt x) (/ 3 2)))
438.0ms
(+ (pow (cbrt (+ x 1)) (/ 3 2)) (pow (sqrt (cbrt x)) 3))
409.0ms
(+ (pow (cbrt (sqrt (+ x 1))) 3) (pow (cbrt (sqrt x)) 3))
392.0ms
(+ (pow (cbrt (+ x 1)) (/ 3 2)) (pow (cbrt (sqrt x)) 3))

prune1.8s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize56.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
0.5b
(* (cbrt x) (cbrt x))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 77
Calls
4 calls:
Slowest
16.0ms
(* (cbrt x) (cbrt x))
2.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.3s

Counts
4 → 12
Calls
4 calls:
Slowest
368.0ms
(* (cbrt x) (cbrt x))
333.0ms
(cbrt x)
291.0ms
(cbrt x)
263.0ms
(cbrt x)

simplify926.0ms

Counts
63 → 89
Calls
63 calls:
Slowest
166.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
140.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
126.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
115.0ms
(* (pow (pow x 2) 1/3) (pow (cbrt -1) 2))
59.0ms
(* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (* (cbrt (cbrt x)) (cbrt (cbrt x))))

prune950.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.1b

localize75.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 add-log-exp
Counts
4 → 48
Calls
4 calls:
Slowest
2.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.1s

Counts
4 → 12
Calls
4 calls:
Slowest
308.0ms
(cbrt x)
267.0ms
(cbrt x)
260.0ms
(cbrt x)
245.0ms
(cbrt x)

simplify817.0ms

Counts
24 → 60
Calls
24 calls:
Slowest
179.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
178.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
138.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
136.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
32.0ms
(pow (/ 1 x) -1/3)

prune702.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.1b

regimes62.0ms

Accuracy

0% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 0.6b

bsearch5.0ms

end0.0ms

sample1.6s

Algorithm
intervals
Results
607.0ms4038×body80valid
516.0ms1716×body1280valid
246.0ms1311×body640valid
126.0ms611×body320valid
29.0ms324×body160valid