Details

Time bar (total: 25.5s)

sample258.0ms

Algorithm
intervals
Results
113.0ms784×body80nan
22.0ms178×body80valid
15.0ms27×body640valid
14.0ms13×body1280valid
10.0ms30×body320valid
2.0ms11×body160valid

simplify668.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01213
12113
23013
33813
44413
55913
69013
718713
861113
done500013

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.8b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.0b
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
0.3b
(* x (log y))
5.8b
(log (- 1.0 y))

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
21×log-prod *-un-lft-identity
13×add-cube-cbrt
11×pow1
add-exp-log add-log-exp
distribute-rgt-in distribute-lft-in associate-*r* add-cbrt-cube
associate-*l*
distribute-lft-out-- difference-of-squares
log-pow
log-div flip3-- diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
sub-neg rem-log-exp associate--l+ sum-log
Counts
4 → 86
Calls
4 calls:
30.0ms
(* z (log (- 1.0 y)))
82.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
26.0ms
(* x (log y))
10.0ms
(log (- 1.0 y))

series448.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(* z (log (- 1.0 y)))
174.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
71.0ms
(* x (log y))
79.0ms
(log (- 1.0 y))

simplify1.2s

Counts
98 → 98
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02091141
14701103
21490987
done5000966

prune837.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize68.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
0.0b
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.0b
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
0.3b
(* x (log y))

rewrite272.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt log-prod
21×*-un-lft-identity
16×distribute-rgt-in add-cube-cbrt distribute-lft-in
13×associate--l+
11×add-log-exp
10×pow1 associate-+r+ associate-*r*
add-exp-log add-cbrt-cube
associate-+l+ associate-*l*
sub-neg
distribute-lft-out--
flip3-- diff-log associate-*r/ pow-prod-down prod-exp sum-log log-pow *-commutative flip-- cbrt-unprod difference-of-squares unswap-sqr
+-commutative flip3-+ flip-+
Counts
4 → 101
Calls
4 calls:
126.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
89.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
33.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
17.0ms
(* x (log y))

series831.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
345.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
236.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
66.0ms
(* x (log y))

simplify1.2s

Counts
113 → 113
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02012374
14702239
215382120
done50002075

prune1.1s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize95.0ms

Local error

Found 4 expressions with local error:

0.2b
(* x (log (cbrt y)))
0.3b
(+ (* (* 2 (log (cbrt y))) x) (* x (log (cbrt y))))
0.7b
(cbrt y)
0.7b
(cbrt y)

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
24×log-prod
18×cbrt-prod add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×distribute-rgt-in associate-+r+ distribute-lft-in
pow1
add-exp-log add-cbrt-cube add-log-exp
associate-*r*
pow1/3 associate-*l*
log-pow
+-commutative flip3-+ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 77
Calls
4 calls:
20.0ms
(* x (log (cbrt y)))
45.0ms
(+ (* (* 2 (log (cbrt y))) x) (* x (log (cbrt y))))
2.0ms
(cbrt y)
2.0ms
(cbrt y)

series1.1s

Counts
4 → 12
Calls
4 calls:
169.0ms
(* x (log (cbrt y)))
238.0ms
(+ (* (* 2 (log (cbrt y))) x) (* x (log (cbrt y))))
334.0ms
(cbrt y)
371.0ms
(cbrt y)

simplify1.6s

Counts
89 → 89
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0119909
1305849
21321721
done5000711

prune1.2s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize93.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.0b
(+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
0.4b
(* (* 3 x) (log (* (cbrt (- y)) (cbrt -1))))
0.7b
(cbrt (- y))

rewrite488.0ms

Algorithm
rewrite-expression-head
Rules
12×pow1 add-sqr-sqrt *-un-lft-identity
11×add-log-exp
10×cbrt-prod add-cube-cbrt associate-+r+ log-prod
add-exp-log add-cbrt-cube
distribute-rgt-in distribute-lft-in associate--l+
associate-*r*
pow-prod-down
distribute-lft-neg-in sub-neg distribute-rgt-neg-in pow1/3 prod-exp log-pow cbrt-unprod
associate-+l+ diff-log sum-log
+-commutative neg-mul-1 flip3-- flip3-+ associate-*l* *-commutative flip-- flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 80
Calls
4 calls:
336.0ms
(- (+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
66.0ms
(+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
78.0ms
(* (* 3 x) (log (* (cbrt (- y)) (cbrt -1))))
4.0ms
(cbrt (- y))

series1.9s

Counts
4 → 12
Calls
4 calls:
709.0ms
(- (+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
497.0ms
(+ (* (* 3 x) (log (* (cbrt (- y)) (cbrt -1)))) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
342.0ms
(* (* 3 x) (log (* (cbrt (- y)) (cbrt -1))))
398.0ms
(cbrt (- y))

simplify2.1s

Counts
92 → 92
Iterations

Useful iterations: done (2.1s)

IterNodesCost
01862147
14512012
221571876
done50011840

prune1.0s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes649.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify9.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02732
13532
done3532

end0.0ms

sample8.0s

Algorithm
intervals
Results
2.9s23483×body80nan
1.1s5544×body80valid
640.0ms868×body640valid
528.0ms397×body1280valid
315.0ms779×body320valid
234.0ms443×body160valid