Details

Time bar (total: 13.8s)

sample46.0ms

Algorithm
intervals
Results
17.0ms59×body1280valid
10.0ms42×body640valid
7.0ms126×body80valid
3.0ms17×body320valid
1.0ms12×body160valid

simplify11.0ms

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

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize14.0ms

Local error

Found 3 expressions with local error:

3.5b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite75.0ms

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
67.0ms
(- (cbrt (+ x 1)) (cbrt x))
5.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series450.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
268.0ms
(cbrt x)
147.0ms
(- (cbrt (+ x 1)) (cbrt x))
35.0ms
(cbrt (+ x 1))

simplify1.8s

Counts
32 → 56
Calls
32 calls:
Slowest
291.0ms
(- (+ (* 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)))
290.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
246.0ms
(- (+ (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)))))
184.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
155.0ms
(* (pow (* x -1) 1/3) (cbrt -1))

prune494.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.3b

localize48.0ms

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)

rewrite8.0ms

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
4.0ms
(/ -1/9 x)
1.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series891.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
346.0ms
(cbrt x)
260.0ms
(cbrt (- x))
255.0ms
(cbrt x)
30.0ms
(/ -1/9 x)

simplify1.1s

Counts
52 → 83
Calls
52 calls:
Slowest
372.0ms
(/ (* (* -1/9 -1/9) -1/9) (* (* x x) x))
150.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
130.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
60.0ms
(/ (* (cbrt -1/9) (cbrt -1/9)) (* (cbrt x) (cbrt x)))
32.0ms
(pow (/ 1 x) -1/3)

prune936.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.3b

localize42.0ms

Local error

Found 4 expressions with local error:

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

rewrite4.0ms

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
1.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
Slowest
309.0ms
(cbrt x)
286.0ms
(cbrt x)
285.0ms
(cbrt (- x))
274.0ms
(cbrt x)

simplify707.0ms

Counts
31 → 67
Calls
31 calls:
Slowest
163.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
150.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
124.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
37.0ms
(* (pow x 1/3) (cbrt -1))
32.0ms
(pow (/ 1 x) -1/3)

prune925.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.2b

localize62.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cbrt x) (cbrt x)))
0.6b
(cbrt (- x))
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite14.0ms

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
8.0ms
(cbrt (* (cbrt x) (cbrt x)))
3.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.4s

Counts
4 → 12
Calls
4 calls:
Slowest
443.0ms
(cbrt (* (cbrt x) (cbrt x)))
332.0ms
(cbrt x)
311.0ms
(cbrt x)
293.0ms
(cbrt (- x))

simplify669.0ms

Counts
29 → 65
Calls
29 calls:
Slowest
173.0ms
(* (pow (pow x 2) 1/9) (pow (pow (cbrt -1) 2) 1/3))
164.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
98.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
35.0ms
(* (pow x 1/3) (cbrt -1))
32.0ms
(pow (/ 1 x) -1/3)

prune931.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.2b

regimes284.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 31.7b

bsearch7.0ms

end0.0ms

sample1.8s

Algorithm
intervals
Results
924.0ms1715×body1280valid
368.0ms1263×body640valid
213.0ms4095×body80valid
90.0ms596×body320valid
33.0ms331×body160valid