Details

Time bar (total: 28.5s)

sample240.0ms

Algorithm
intervals
Results
85.0ms1561×body80nan
32.0ms481×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 3 (30.0ms)

IterNodesCost
01718
13317
27317
318916
451416
5174716
done500016

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.2b
(* y (log z))
0.6b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
1.0b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

rewrite347.0ms

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:
25.0ms
(* (- t 1.0) (log a))
9.0ms
(* y (log z))
224.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
85.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

series494.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* (- t 1.0) (log a))
44.0ms
(* y (log z))
249.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)
137.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))

simplify1.3s

Counts
124 → 124
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02752031
15801829
216571505
done50001399

prune654.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (* y (log z)))
0.5b
(cbrt (* y (log z)))
0.6b
(/ (* x (exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))) y)
1.0b
(exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))

rewrite1.9s

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity
13×add-cube-cbrt
12×exp-sum
10×add-log-exp
prod-diff add-cbrt-cube
add-exp-log
exp-prod
pow1 expm1-log1p-u log1p-expm1-u
times-frac associate-/r* rem-exp-log
cbrt-undiv cbrt-prod exp-diff pow1/3 diff-log div-exp
sub-neg frac-2neg associate-*r/ prod-exp associate--l+ clear-num sum-log cbrt-unprod div-inv associate-/l/ associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 76
Calls
4 calls:
4.0ms
(cbrt (* y (log z)))
4.0ms
(cbrt (* y (log z)))
1.4s
(/ (* x (exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))) y)
587.0ms
(exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))

series739.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(cbrt (* y (log z)))
153.0ms
(cbrt (* y (log z)))
266.0ms
(/ (* x (exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))) y)
173.0ms
(exp (- (+ (* (* (cbrt (* y (log z))) (cbrt (* y (log z)))) (cbrt (* y (log z)))) (* (- t 1.0) (log a))) b))

simplify1.2s

Counts
88 → 88
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02042580
14442394
212141456
done50011178

prune513.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

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)
0.6b
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

rewrite76.0ms

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:
35.0ms
(* 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)
32.0ms
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

series1.3s

Counts
4 → 12
Calls
4 calls:
503.0ms
(* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))
124.0ms
(fma y (- (log z)) (fma (- (log a)) t b))
123.0ms
(fma (- (log a)) t b)
521.0ms
(/ (* x (/ (pow a (- 1.0)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)

simplify1.1s

Counts
117 → 117
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02532659
15882560
218712124
done50012030

prune935.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (log a)) t b)
0.2b
(* (pow a (/ (- 1.0) 2)) x)
0.6b
(/ (* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
3.0b
(* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
99×add-exp-log
59×prod-exp
41×div-exp
36×add-cbrt-cube
35×associate-*r*
31×times-frac
30×add-sqr-sqrt
25×add-cube-cbrt *-un-lft-identity
17×pow-to-exp pow-exp
16×unpow-prod-down
14×associate-*l/
13×cbrt-unprod
cbrt-undiv
associate-*l* fma-udef
exp-sum
pow1 sqr-pow
neg-sub0 pow-neg div-sub distribute-frac-neg associate-/l/ pow-sub
expm1-log1p-u frac-times log1p-expm1-u add-log-exp
associate-/r* unswap-sqr
associate-*r/ *-commutative div-inv
frac-2neg pow-prod-down clear-num associate-/l*
Counts
4 → 154
Calls
4 calls:
1.0ms
(fma (- (log a)) t b)
27.0ms
(* (pow a (/ (- 1.0) 2)) x)
43.0ms
(/ (* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
63.0ms
(* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

series1.7s

Counts
4 → 12
Calls
4 calls:
136.0ms
(fma (- (log a)) t b)
278.0ms
(* (pow a (/ (- 1.0) 2)) x)
655.0ms
(/ (* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b))))) y)
660.0ms
(* (* (pow a (/ (- 1.0) 2)) x) (/ (pow a (/ (- 1.0) 2)) (exp (fma y (- (log z)) (fma (- (log a)) t b)))))

simplify2.5s

Counts
166 → 166
Iterations

Useful iterations: done (2.5s)

IterNodesCost
02974693
17634455
232323442
done50013217

prune1.1s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes411.0ms

Accuracy

0% (1.4b remaining)

Error of 1.4b against oracle of 0.1b and baseline of 1.4b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01921
12021
done2021

end0.0ms

sample9.5s

Algorithm
intervals
Results
3.4s45300×body80nan
1.4s15106×body80valid