Details

Time bar (total: 13.7s)

sample40.0ms

Algorithm
intervals
Results
12.0ms56×body1280valid
10.0ms46×body640valid
6.0ms122×body80valid
3.0ms20×body320valid
1.0ms12×body160valid

simplify20.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
19.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.8b

localize22.0ms

Local error

Found 3 expressions with local error:

3.4b
(- (cbrt (+ x 1)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ x 1))

rewrite70.0ms

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
63.0ms
(- (cbrt (+ x 1)) (cbrt x))
5.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series455.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
277.0ms
(cbrt x)
126.0ms
(- (cbrt (+ x 1)) (cbrt x))
51.0ms
(cbrt (+ x 1))

simplify2.0s

Counts
32 → 56
Calls
32 calls:
Slowest
299.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
282.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
265.0ms
(- (+ (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)))))
214.0ms
(- (+ (* 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)))
190.0ms
(- (+ (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))))

prune569.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize55.0ms

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)

series917.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
323.0ms
(cbrt (- x))
309.0ms
(cbrt x)
257.0ms
(cbrt x)
29.0ms
(/ -1/9 x)

simplify962.0ms

Counts
52 → 83
Calls
52 calls:
Slowest
272.0ms
(/ (* (* -1/9 -1/9) -1/9) (* (* x x) x))
142.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
122.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
55.0ms
(/ (* (cbrt -1/9) (cbrt -1/9)) (* (cbrt x) (cbrt x)))
35.0ms
(* (pow x 1/3) (cbrt -1))

prune952.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

localize46.0ms

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)

series1.0s

Counts
4 → 12
Calls
4 calls:
Slowest
298.0ms
(cbrt (- x))
269.0ms
(cbrt x)
233.0ms
(cbrt x)
220.0ms
(cbrt x)

simplify712.0ms

Counts
31 → 67
Calls
31 calls:
Slowest
149.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
148.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
129.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
33.0ms
(pow (/ 1 x) -1/3)
31.0ms
(* (pow x 1/3) (cbrt -1))

prune925.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0.2b

localize82.0ms

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)

series1.1s

Counts
4 → 12
Calls
4 calls:
Slowest
298.0ms
(cbrt (- x))
298.0ms
(cbrt x)
272.0ms
(cbrt x)
261.0ms
(cbrt x)

simplify596.0ms

Counts
31 → 67
Calls
31 calls:
Slowest
124.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
118.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
100.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
40.0ms
(* (pow x 1/3) (cbrt -1))
36.0ms
(* (pow x 1/3) (cbrt -1))

prune1.0s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.2b

regimes216.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 31.5b

bsearch13.0ms

end0.0ms

sample1.9s

Algorithm
intervals
Results
645.0ms4071×body80valid
602.0ms1761×body1280valid
347.0ms1217×body640valid
105.0ms641×body320valid
33.0ms310×body160valid