Details

Time bar (total: 21.3s)

sample128.0ms

Algorithm
intervals
Results
52.0ms776×body80nan
12.0ms179×body80valid
10.0ms15×body1280valid
9.0ms27×body640valid
6.0ms25×body320valid
2.0ms12×body160valid

simplify242.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01213
12113
23013
33813
44413
55913
68313
710513
812413
913213
1013913
1114013
done14013

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.9b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.3b
(* x (log y))
4.7b
(log (- 1.0 y))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
21×log-prod
18×*-un-lft-identity
12×add-cube-cbrt
10×pow1
add-exp-log distribute-rgt-in distribute-lft-in associate-*r*
add-cbrt-cube
associate-*l*
log-pow distribute-lft-out-- add-log-exp difference-of-squares
log-div pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- rem-log-exp flip--
Counts
3 → 70
Calls
3 calls:
26.0ms
(* z (log (- 1.0 y)))
18.0ms
(* x (log y))
11.0ms
(log (- 1.0 y))

series226.0ms

Counts
3 → 9
Calls
3 calls:
86.0ms
(* z (log (- 1.0 y)))
79.0ms
(* x (log y))
61.0ms
(log (- 1.0 y))

simplify3.6s

Counts
79 → 79
Iterations

Useful iterations: done (3.6s)

IterNodesCost
0168766
1333740
2715664
31408637
43831633
done5000630

prune369.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))
0.0b
(* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))))
0.2b
(/ 1/2 (/ (* 1.0 1.0) y))
0.3b
(* x (log y))

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
33×times-frac
32×*-un-lft-identity
30×add-cube-cbrt
19×add-exp-log add-cbrt-cube
12×log-prod
11×pow1 associate-*r*
distribute-rgt-in distribute-lft-in associate-*l*
associate-/r*
associate--l+
cbrt-undiv div-exp div-inv
associate-*r/ prod-exp cbrt-unprod add-log-exp
pow-prod-down *-commutative associate-/l* unswap-sqr
sub-neg
flip3-- frac-2neg flip3-+ clear-num associate-/r/ log-pow flip-- flip-+ distribute-lft-out
Counts
4 → 126
Calls
4 calls:
125.0ms
(* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))
31.0ms
(* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))))
11.0ms
(/ 1/2 (/ (* 1.0 1.0) y))
10.0ms
(* x (log y))

series281.0ms

Counts
4 → 12
Calls
4 calls:
87.0ms
(* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))
120.0ms
(* z (- (log 1.0) (* y (+ 1.0 (/ 1/2 (/ (* 1.0 1.0) y))))))
25.0ms
(/ 1/2 (/ (* 1.0 1.0) y))
48.0ms
(* x (log y))

simplify1.6s

Counts
138 → 138
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02611901
15731799
216631651
done50001624

prune639.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (cbrt y)) x)
0.3b
(+ (* (* 2 (log (cbrt y))) x) (* (log (cbrt y)) x))
0.6b
(cbrt y)
0.6b
(cbrt y)

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1
add-exp-log cbrt-prod add-cbrt-cube add-log-exp
associate-*l*
pow1/3 associate-*r*
log-pow
+-commutative distribute-rgt-out flip3-+ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 54
Calls
4 calls:
13.0ms
(* (log (cbrt y)) x)
34.0ms
(+ (* (* 2 (log (cbrt y))) x) (* (log (cbrt y)) x))
2.0ms
(cbrt y)
2.0ms
(cbrt y)

series1.0s

Counts
4 → 12
Calls
4 calls:
194.0ms
(* (log (cbrt y)) x)
191.0ms
(+ (* (* 2 (log (cbrt y))) x) (* (log (cbrt y)) x))
345.0ms
(cbrt y)
300.0ms
(cbrt y)

simplify4.3s

Counts
66 → 66
Iterations

Useful iterations: done (4.3s)

IterNodesCost
087597
1209481
2742423
33667350
done5000345

prune414.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (pow (/ 1 y) -1/3)) x)
0.3b
(+ (* (* 2 (log (cbrt y))) x) (* (log (pow (/ 1 y) -1/3)) x))
0.6b
(cbrt y)
5.1b
(pow (/ 1 y) -1/3)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
13×unpow-prod-down
11×add-exp-log
times-frac
pow1
add-cbrt-cube add-log-exp
associate-*l* pow-exp
cbrt-prod pow-unpow pow-pow associate-*r*
div-exp
+-commutative pow-to-exp rec-exp distribute-rgt-out pow-flip flip3-+ pow1/3 1-exp pow-prod-down prod-exp sum-log log-pow *-commutative cbrt-unprod flip-+ div-inv inv-pow unswap-sqr sqr-pow
Counts
4 → 74
Calls
4 calls:
9.0ms
(* (log (pow (/ 1 y) -1/3)) x)
34.0ms
(+ (* (* 2 (log (cbrt y))) x) (* (log (pow (/ 1 y) -1/3)) x))
1.0ms
(cbrt y)
8.0ms
(pow (/ 1 y) -1/3)

series1.2s

Counts
4 → 12
Calls
4 calls:
118.0ms
(* (log (pow (/ 1 y) -1/3)) x)
321.0ms
(+ (* (* 2 (log (cbrt y))) x) (* (log (pow (/ 1 y) -1/3)) x))
227.0ms
(cbrt y)
562.0ms
(pow (/ 1 y) -1/3)

simplify1.1s

Counts
86 → 86
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0167998
1380824
21154650
done5000561

prune365.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

regimes219.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03040
14040
done4040

end0.0ms

sample5.1s

Algorithm
intervals
Results
2.3s24665×body80nan
619.0ms5640×body80valid
475.0ms880×body640valid
296.0ms409×body1280valid
165.0ms673×body320valid
66.0ms432×body160valid