Details

Time bar (total: 13.8s)

sample31.0ms

Algorithm
intervals
Results
10.0ms56×body1280valid
5.0ms127×body80valid
5.0ms39×body640valid
2.0ms24×body320valid
1.0ms10×body160valid

simplify23.0ms

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

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.6b

localize22.0ms

Local error

Found 3 expressions with local error:

2.5b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity
add-log-exp
cbrt-prod add-cube-cbrt
pow1 add-cbrt-cube add-exp-log insert-posit16
cbrt-div pow1/3 difference-of-squares
sub-neg flip3-+ flip3-- diff-log flip-+ flip-- distribute-lft-out--
Calls
3 calls:
Slowest
14.0ms
(- (cbrt (+ x 1)) (cbrt x))
1.0ms
(cbrt (+ x 1))
0.0ms
(cbrt x)

series426.0ms

Calls
3 calls:
Slowest
265.0ms
(cbrt x)
114.0ms
(- (cbrt (+ x 1)) (cbrt x))
48.0ms
(cbrt (+ x 1))

simplify1.4s

Calls
20 calls:
Slowest
280.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
256.0ms
(- (+ (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))))
167.0ms
(- (+ (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)))))
166.0ms
(- (+ (* 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)))
121.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))

prune472.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize60.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.4b
(/ 1/9 x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-prod pow1 add-cbrt-cube add-exp-log insert-posit16 add-log-exp
pow1/3
clear-num neg-mul-1 frac-2neg div-inv
Calls
4 calls:
Slowest
1.0ms
(cbrt (- x))
0.0ms
(/ 1/9 x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)

series899.0ms

Calls
4 calls:
Slowest
305.0ms
(cbrt x)
296.0ms
(cbrt (- x))
280.0ms
(cbrt x)
17.0ms
(/ 1/9 x)

simplify110.0ms

Calls
16 calls:
Slowest
17.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
14.0ms
(* (pow x 1/3) (cbrt -1))
12.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
11.0ms
(pow (/ 1 x) -1/3)
10.0ms
(* (pow x 1/3) (cbrt -1))

prune592.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1)))) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1))))
0.3b
(cbrt (+ x 1))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
82×cbrt-div
28×frac-times flip3-+ flip-+
14×associate-*l/
associate-*r/
add-sqr-sqrt *-un-lft-identity
add-log-exp
add-cube-cbrt
cbrt-prod pow1 add-cbrt-cube add-exp-log insert-posit16
pow1/3
sub-neg flip3-- diff-log pow3 rem-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Calls
4 calls:
Slowest
21.0ms
(- (cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1)))) (cbrt x))
11.0ms
(cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1))))
1.0ms
(cbrt (+ x 1))
0.0ms
(cbrt x)

series486.0ms

Calls
4 calls:
Slowest
301.0ms
(cbrt x)
97.0ms
(- (cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1)))) (cbrt x))
50.0ms
(cbrt (* (* (cbrt (+ x 1)) (cbrt (+ x 1))) (cbrt (+ x 1))))
38.0ms
(cbrt (+ x 1))

simplify4.4s

Calls
49 calls:
Slowest
335.0ms
(- (+ (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))))
307.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
285.0ms
(- (+ (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))))
217.0ms
(- (+ (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)))))
158.0ms
(- (+ (* 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)))

prune1.4s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

localize26.0ms

Local error

Found 4 expressions with local error:

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

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-prod pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 add-log-exp
neg-mul-1
Calls
4 calls:
Slowest
1.0ms
(cbrt (- x))
0.0ms
(cbrt x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)

series1.2s

Calls
4 calls:
Slowest
330.0ms
(cbrt (- x))
292.0ms
(cbrt x)
291.0ms
(cbrt x)
239.0ms
(cbrt x)

simplify112.0ms

Calls
16 calls:
Slowest
21.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
12.0ms
(pow (/ 1 x) -1/3)
12.0ms
(pow (/ 1 x) -1/3)
11.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
10.0ms
(* (pow (* x -1) 1/3) (cbrt -1))

prune510.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.2b

regimes81.0ms

Accuracy

99.5% (0.2b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 32.0b

bsearch138.0ms

end0.0ms

sample1.4s

Algorithm
intervals
Results
605.0ms1729×body1280valid
301.0ms1213×body640valid
292.0ms4134×body80valid
103.0ms619×body320valid
32.0ms305×body160valid