Details

Time bar (total: 24.8s)

sample209.0ms

Algorithm
intervals
Results
86.0ms843×body80nan
17.0ms35×body640valid
17.0ms175×body80valid
9.0ms10×body1280valid
6.0ms23×body320valid
2.0ms13×body160valid

simplify359.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.9b

localize28.0ms

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))
6.3b
(log (- 1.0 y))

rewrite99.0ms

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:
22.0ms
(* z (log (- 1.0 y)))
56.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
9.0ms
(* x (log y))
5.0ms
(log (- 1.0 y))

series374.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(* z (log (- 1.0 y)))
143.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
67.0ms
(* x (log y))
80.0ms
(log (- 1.0 y))

simplify1.8s

Counts
98 → 98
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02091141
14371103
21044987
32657953
done5000952

prune385.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2))))) t)
0.0b
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
0.3b
(* x (log y))
7.9b
(* z (pow y 2))

rewrite429.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
18×log-prod add-log-exp
17×*-un-lft-identity associate--l+
15×add-cube-cbrt
12×associate-+r+ associate-*r*
11×add-exp-log distribute-rgt-in distribute-lft-in
add-cbrt-cube
pow1
associate-+l+ associate-*l*
diff-log unswap-sqr
sub-neg unpow-prod-down prod-exp sum-log
associate-+r- *-commutative cbrt-unprod unpow2 sqr-pow
+-commutative associate--l- pow-to-exp flip3-- flip3-+ pow-prod-down pow-exp log-pow flip-- flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 101
Calls
4 calls:
342.0ms
(- (+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2))))) t)
44.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
16.0ms
(* x (log y))
20.0ms
(* z (pow y 2))

series501.0ms

Counts
4 → 12
Calls
4 calls:
215.0ms
(- (+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2))))) t)
177.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
54.0ms
(* x (log y))
55.0ms
(* z (pow y 2))

simplify2.7s

Counts
113 → 113
Iterations

Useful iterations: done (2.7s)

IterNodesCost
02012009
14361885
210951769
341321724
done50001718

prune609.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (* x (* 2 (log (cbrt y)))) (* (log (cbrt y)) x))
0.6b
(cbrt y)
0.6b
(cbrt y)
7.9b
(* z (pow y 2))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
24×distribute-rgt-in associate-+l+ log-prod distribute-lft-in
23×add-sqr-sqrt
18×cbrt-prod
17×add-cube-cbrt *-un-lft-identity
add-exp-log
associate-*r*
add-cbrt-cube add-log-exp
pow1 unpow-prod-down unswap-sqr
associate-*l* prod-exp
pow1/3 unpow2 sqr-pow
+-commutative pow-to-exp flip3-+ pow-exp sum-log *-commutative cbrt-unprod flip-+
Counts
4 → 84
Calls
4 calls:
25.0ms
(+ (* x (* 2 (log (cbrt y)))) (* (log (cbrt y)) x))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
21.0ms
(* z (pow y 2))

series816.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(+ (* x (* 2 (log (cbrt y)))) (* (log (cbrt y)) x))
304.0ms
(cbrt y)
291.0ms
(cbrt y)
35.0ms
(* z (pow y 2))

simplify5.6s

Counts
96 → 96
Iterations

Useful iterations: done (5.6s)

IterNodesCost
0145974
1352861
2982704
34551659
done5000604

prune852.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize107.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt (cbrt y))
7.9b
(* z (pow y 2))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
15×cbrt-prod
11×add-cube-cbrt *-un-lft-identity
add-exp-log
associate-*r*
add-cbrt-cube
pow1 unpow-prod-down add-log-exp unswap-sqr
pow1/3 associate-*l* prod-exp
unpow2 sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
Counts
4 → 63
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt (cbrt y))
13.0ms
(* z (pow y 2))

series1.4s

Counts
4 → 12
Calls
4 calls:
667.0ms
(cbrt y)
295.0ms
(cbrt y)
396.0ms
(cbrt (cbrt y))
61.0ms
(* z (pow y 2))

simplify1.5s

Counts
75 → 75
Iterations

Useful iterations: 3 (363.0ms)

IterNodesCost
088470
1174434
2368379
31010368
done5000368

prune527.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

regimes252.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03549
14849
done4849

end0.0ms

sample6.1s

Algorithm
intervals
Results
2.8s24189×body80nan
561.0ms5553×body80valid
421.0ms901×body640valid
329.0ms388×body1280valid
243.0ms731×body320valid
74.0ms458×body160valid