Details

Time bar (total: 13.6s)

sample29.0ms

Algorithm
intervals
Results
10.0ms59×body1280valid
6.0ms42×body640valid
4.0ms126×body80valid
2.0ms17×body320valid
1.0ms12×body160valid

simplify20.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
20.0ms
(- (cbrt (+ x 1)) (cbrt x))

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize11.0ms

Local error

Found 3 expressions with local error:

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

rewrite27.0ms

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
24.0ms
(- (cbrt (+ x 1)) (cbrt x))
2.0ms
(cbrt (+ x 1))
1.0ms
(cbrt x)

series465.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
270.0ms
(cbrt x)
135.0ms
(- (cbrt (+ x 1)) (cbrt x))
59.0ms
(cbrt (+ x 1))

simplify1.9s

Counts
32 → 56
Calls
32 calls:
Slowest
321.0ms
(- (+ (* 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)))
287.0ms
(- (+ (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)))))
249.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
248.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow (/ 1 x) -1/3)) (* 1/9 (pow (/ 1 (pow x 5)) 1/3)))
168.0ms
(- (+ (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))))

prune557.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.3b

localize59.0ms

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)

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)
2.0ms
(cbrt (- x))
2.0ms
(cbrt x)
1.0ms
(cbrt x)

series823.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
276.0ms
(cbrt (- x))
264.0ms
(cbrt x)
249.0ms
(cbrt x)
33.0ms
(/ -1/9 x)

simplify898.0ms

Counts
52 → 83
Calls
52 calls:
Slowest
246.0ms
(/ (* (* -1/9 -1/9) -1/9) (* (* x x) x))
143.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
130.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
37.0ms
(* (pow x 1/3) (cbrt -1))
32.0ms
(* (pow x 1/3) (cbrt -1))

prune847.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.3b

localize87.0ms

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
304.0ms
(cbrt x)
282.0ms
(cbrt x)
272.0ms
(cbrt (- x))
262.0ms
(cbrt x)

simplify729.0ms

Counts
31 → 67
Calls
31 calls:
Slowest
148.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
146.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
144.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
35.0ms
(pow (/ 1 x) -1/3)
32.0ms
(pow (/ 1 x) -1/3)

prune840.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.2b

localize70.0ms

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)

rewrite7.0ms

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
4.0ms
(cbrt (* (cbrt x) (cbrt x)))
1.0ms
(cbrt (- x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.3s

Counts
4 → 12
Calls
4 calls:
Slowest
457.0ms
(cbrt (* (cbrt x) (cbrt x)))
317.0ms
(cbrt (- x))
279.0ms
(cbrt x)
269.0ms
(cbrt x)

simplify720.0ms

Counts
29 → 65
Calls
29 calls:
Slowest
175.0ms
(* (pow (pow x 2) 1/9) (pow (pow (cbrt -1) 2) 1/3))
144.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
141.0ms
(* (pow (* x -1) 1/3) (cbrt -1))
34.0ms
(* (pow x 1/3) (cbrt -1))
33.0ms
(pow (/ 1 x) -2/9)

prune868.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.2b

regimes270.0ms

Accuracy

99.3% (0.2b remaining)

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

bsearch11.0ms

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.1s1715×body1280valid
263.0ms1263×body640valid
247.0ms4095×body80valid
137.0ms596×body320valid
36.0ms331×body160valid