Details

Time bar (total: 13.1s)

sample32.0ms

Algorithm
intervals
Results
12.0ms67×body1280valid
6.0ms44×body640valid
4.0ms120×body80valid
2.0ms17×body320valid
1.0msbody160valid

simplify11.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
11.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize22.0ms

Local error

Found 3 expressions with local error:

2.7b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite74.0ms

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
66.0ms
(- (cbrt (+ x 1)) (cbrt x))
5.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series441.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
232.0ms
(cbrt x)
147.0ms
(- (cbrt (+ x 1)) (cbrt x))
62.0ms
(cbrt (+ x 1))

simplify1.8s

Counts
32 → 56
Calls
32 calls:
Slowest
320.0ms
(- (+ (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)))))
287.0ms
(- (+ (* 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)))
230.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
197.0ms
(- (+ (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))))
193.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))

prune542.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize63.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.3b
(/ -1/9 x)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
16×cbrt-prod
times-frac
add-cbrt-cube add-exp-log
pow1 insert-posit16 add-log-exp
distribute-lft-neg-in associate-/r* distribute-rgt-neg-in pow1/3 associate-/l*
cbrt-undiv clear-num neg-mul-1 frac-2neg div-exp div-inv
Counts
4 → 71
Calls
4 calls:
Slowest
7.0ms
(/ -1/9 x)
3.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series816.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
295.0ms
(cbrt (- x))
249.0ms
(cbrt x)
243.0ms
(cbrt x)
28.0ms
(/ -1/9 x)

simplify978.0ms

Counts
52 → 83
Calls
52 calls:
Slowest
283.0ms
(/ (* (* -1/9 -1/9) -1/9) (* (* x x) x))
113.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
102.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
47.0ms
(/ (* (cbrt -1/9) (cbrt -1/9)) (* (cbrt x) (cbrt x)))
35.0ms
(* (pow x 1/3) (cbrt -1))

prune776.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.2b

localize80.0ms

Local error

Found 4 expressions with local error:

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

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
19×cbrt-prod
10×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 add-log-exp
distribute-lft-neg-in distribute-rgt-neg-in
neg-mul-1
Counts
4 → 55
Calls
4 calls:
Slowest
2.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
Slowest
318.0ms
(cbrt (- x))
279.0ms
(cbrt x)
279.0ms
(cbrt x)
278.0ms
(cbrt x)

simplify653.0ms

Counts
31 → 67
Calls
31 calls:
Slowest
141.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
116.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
109.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
31.0ms
(pow (/ 1 x) -1/3)
28.0ms
(pow (/ 1 x) -1/3)

prune719.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 0.2b

localize71.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (* (* (cbrt x) (cbrt (* (* (cbrt x) (cbrt x)) (cbrt x)))) (cbrt x)))
0.6b
(cbrt (- x))
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
17×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
distribute-lft-neg-in distribute-rgt-neg-in
neg-mul-1
Counts
4 → 53
Calls
4 calls:
Slowest
62.0ms
(cbrt (* (* (cbrt x) (cbrt (* (* (cbrt x) (cbrt x)) (cbrt x)))) (cbrt x)))
3.0ms
(cbrt (- x))
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
Slowest
334.0ms
(cbrt x)
310.0ms
(cbrt x)
296.0ms
(cbrt (- x))
270.0ms
(cbrt (* (* (cbrt x) (cbrt (* (* (cbrt x) (cbrt x)) (cbrt x)))) (cbrt x)))

simplify633.0ms

Counts
29 → 65
Calls
29 calls:
Slowest
133.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
115.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
98.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
31.0ms
(pow (/ 1 x) -1/3)
30.0ms
(pow (/ 1 x) -1/3)

prune872.0ms

Pruning

15 alts after pruning (12 fresh and 3 done)

Merged error: 0.2b

regimes272.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 31.6b

bsearch10.0ms

end0.0ms

sample1.8s

Algorithm
intervals
Results
755.0ms1305×body640valid
461.0ms1646×body1280valid
240.0ms4061×body80valid
182.0ms636×body320valid
33.0ms352×body160valid