Details

Time bar (total: 31.6s)

sample365.0ms

Algorithm
intervals
Results
160.0ms1479×body80nan
55.0ms477×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 3 (71.0ms)

IterNodesCost
01718
13317
27317
319616
460016
5325816
done500116

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize39.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.3b
(* y (log z))
0.5b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
1.0b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

rewrite320.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×*-un-lft-identity
21×add-cube-cbrt
13×add-cbrt-cube
12×add-exp-log log-prod exp-sum
10×pow1 add-log-exp
prod-diff
associate-*r* associate-*l*
distribute-rgt-in distribute-lft-in
exp-prod
expm1-log1p-u log1p-expm1-u
times-frac prod-exp associate-/r* cbrt-unprod rem-exp-log
cbrt-undiv exp-diff diff-log div-exp pow-prod-down associate-*l/ log-pow *-commutative distribute-lft-out-- difference-of-squares unswap-sqr
sub-neg flip3-- frac-2neg associate-*r/ associate--l+ clear-num sum-log flip-- div-inv associate-/l/ associate-/l*
Counts
4 → 112
Calls
4 calls:
27.0ms
(* (- t 1.0) (log a))
9.0ms
(* y (log z))
193.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
88.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

series540.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* (- t 1.0) (log a))
40.0ms
(* y (log z))
265.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
172.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

simplify1.1s

Counts
124 → 124
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02752031
16221832
224541517
done50011433

prune612.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))
0.1b
(fma y (- (log z)) (fma (- (log a)) t b))
0.1b
(fma (- (log a)) t b)
0.5b
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
34×times-frac
33×add-sqr-sqrt
32×associate-*r*
24×add-exp-log
23×add-cube-cbrt *-un-lft-identity
18×add-cbrt-cube
13×unpow-prod-down
11×div-exp
fma-udef
prod-exp
exp-sum
pow1
cbrt-undiv sqr-pow
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp unswap-sqr
associate-*l* associate-/r*
pow-to-exp associate-*r/ pow-exp div-inv
frac-2neg pow-prod-down clear-num *-commutative associate-/l/ associate-/l*
Counts
4 → 105
Calls
4 calls:
52.0ms
(* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))
1.0ms
(fma y (- (log z)) (fma (- (log a)) t b))
1.0ms
(fma (- (log a)) t b)
21.0ms
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

series1.2s

Counts
4 → 12
Calls
4 calls:
468.0ms
(* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))
139.0ms
(fma y (- (log z)) (fma (- (log a)) t b))
131.0ms
(fma (- (log a)) t b)
433.0ms
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

simplify1.4s

Counts
117 → 117
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02532659
16562570
229812142
done50002049

prune773.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (log a)) t b)
0.3b
(* x (pow a (/ (- 1.0) 2)))
0.5b
(/ (* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
3.3b
(* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
99×add-exp-log
59×prod-exp
41×div-exp
39×associate-*r*
36×add-cbrt-cube
31×times-frac
30×add-sqr-sqrt
25×add-cube-cbrt *-un-lft-identity
17×pow-to-exp pow-exp
16×unpow-prod-down
13×cbrt-unprod
12×associate-*r/
10×pow-neg distribute-frac-neg
cbrt-undiv
fma-udef
exp-sum associate-/l/
pow1 frac-times associate-*l/ sqr-pow
neg-sub0 div-sub un-div-inv pow-sub
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
associate-/r* unswap-sqr
*-commutative div-inv
frac-2neg pow-prod-down clear-num associate-/l*
Counts
4 → 159
Calls
4 calls:
0.0ms
(fma (- (log a)) t b)
13.0ms
(* x (pow a (/ (- 1.0) 2)))
35.0ms
(/ (* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
60.0ms
(* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

series1.4s

Counts
4 → 12
Calls
4 calls:
98.0ms
(fma (- (log a)) t b)
238.0ms
(* x (pow a (/ (- 1.0) 2)))
612.0ms
(/ (* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
464.0ms
(* (* x (pow a (/ (- 1.0) 2))) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

simplify662.0ms

Counts
171 → 171
Iterations

Useful iterations: done (648.0ms)

IterNodesCost
02964775
18584305
done50013609

prune1.2s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize90.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y))
0.5b
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
0.5b
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
0.5b
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

rewrite145.0ms

Algorithm
rewrite-expression-head
Rules
43×add-exp-log
31×add-cbrt-cube
24×div-exp
12×cbrt-undiv add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac prod-exp
associate-/r*
cbrt-prod
cbrt-unprod
pow1 expm1-log1p-u log1p-expm1-u div-inv add-log-exp
pow-to-exp frac-2neg associate-*r/ pow-exp clear-num associate-/l/ associate-/l*
cbrt-div pow1/3
Counts
4 → 102
Calls
4 calls:
23.0ms
(cbrt (/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y))
41.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
36.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
39.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

series2.4s

Counts
4 → 12
Calls
4 calls:
781.0ms
(cbrt (/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y))
537.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
562.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
541.0ms
(/ (* x (/ (pow a (* 2 (/ (- 1.0) 2))) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

simplify1.1s

Counts
114 → 114
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01863912
14763798
221243151
done50003124

prune1.0s

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes418.0ms

Accuracy

0% (1.2b remaining)

Error of 1.3b against oracle of 0.1b and baseline of 1.3b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01921
12021
done2021

end0.0ms

sample14.3s

Algorithm
intervals
Results
6.9s46274×body80nan
2.6s15201×body80valid