Details

Time bar (total: 17.8s)

sample170.0ms

Algorithm
intervals
Results
71.0ms1413×body80nan
30.0ms474×body80valid

simplify727.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (15.0ms)

IterNodesCost
01718
13218
26418
315716
446916
5187516
done500116

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.3b
(* y (log z))
1.4b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.4b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×*-un-lft-identity
15×add-cube-cbrt
13×add-cbrt-cube
12×add-exp-log log-prod
10×pow1 add-log-exp
associate-*r* associate-*l*
distribute-rgt-in distribute-lft-in
exp-prod
times-frac exp-sum 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 → 95
Calls
4 calls:
11.0ms
(* (- t 1.0) (log a))
4.0ms
(* y (log z))
31.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
77.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series405.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(* (- t 1.0) (log a))
36.0ms
(* y (log z))
126.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
187.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify518.0ms

Counts
107 → 107
Iterations

Useful iterations: done (515.0ms)

IterNodesCost
02311531
14941495
214511213
done50011184

prune381.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b))))
0.1b
(pow a (- t 1.0))
1.0b
(* (pow z y) (/ (pow a (- t 1.0)) (exp b)))
1.4b
(/ (* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b)))) y)

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
99×add-exp-log
62×prod-exp
55×add-sqr-sqrt
41×div-exp
39×times-frac
32×associate-*r* add-cbrt-cube
29×*-un-lft-identity
27×add-cube-cbrt
22×pow-to-exp unpow-prod-down pow-exp
12×cbrt-unprod unswap-sqr sqr-pow
10×associate-*l*
unpow-prod-up
pow1 cbrt-undiv
pow-unpow associate-*r/
sub-neg add-log-exp
associate-/r*
*-commutative div-inv
pow-pow frac-2neg pow-prod-down clear-num associate-/l/ associate-/l* distribute-lft-out-- pow-sub difference-of-squares
Counts
4 → 161
Calls
4 calls:
21.0ms
(* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b))))
3.0ms
(pow a (- t 1.0))
20.0ms
(* (pow z y) (/ (pow a (- t 1.0)) (exp b)))
27.0ms
(/ (* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b)))) y)

series649.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b))))
62.0ms
(pow a (- t 1.0))
168.0ms
(* (pow z y) (/ (pow a (- t 1.0)) (exp b)))
219.0ms
(/ (* x (* (pow z y) (/ (pow a (- t 1.0)) (exp b)))) y)

simplify979.0ms

Counts
173 → 173
Iterations

Useful iterations: done (975.0ms)

IterNodesCost
02963164
18053005
230442611
done50012605

prune507.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (pow a t) (pow a (- 1.0)))
0.1b
(* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b))))
1.0b
(* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))
1.4b
(/ (* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))) y)

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
314×add-exp-log
257×prod-exp
125×div-exp
93×pow-to-exp pow-exp
49×add-cbrt-cube
32×add-sqr-sqrt
21×cbrt-unprod
17×associate-*l*
16×unpow-prod-down
15×add-cube-cbrt *-un-lft-identity associate-*r*
12×unswap-sqr
11×cbrt-undiv
10×sqr-pow
associate-*r/
pow1 times-frac
add-log-exp
associate-/r* *-commutative
pow-neg div-inv
neg-sub0 frac-2neg pow-prod-down clear-num un-div-inv pow-prod-up associate-/l/ associate-/l* pow-sub
Counts
4 → 217
Calls
4 calls:
8.0ms
(* (pow a t) (pow a (- 1.0)))
36.0ms
(* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b))))
16.0ms
(* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))
35.0ms
(/ (* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))) y)

series1.1s

Counts
4 → 12
Calls
4 calls:
140.0ms
(* (pow a t) (pow a (- 1.0)))
349.0ms
(* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b))))
293.0ms
(* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))
357.0ms
(/ (* x (* (pow z y) (/ (* (pow a t) (pow a (- 1.0))) (exp b)))) y)

simplify1.2s

Counts
229 → 229
Iterations

Useful iterations: done (1.2s)

IterNodesCost
03094758
18584205
231813585
done50003582

prune497.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (- (log z)) y)
1.3b
(* (* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y)) (pow (/ 1 (pow a 1.0)) 1.0))
3.4b
(log (pow a t))
8.1b
(* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y))

rewrite1.7s

Algorithm
rewrite-expression-head
Rules
92×add-exp-log
63×prod-exp
45×associate-*r*
40×add-sqr-sqrt pow-exp
37×unpow-prod-down
33×add-cube-cbrt *-un-lft-identity
31×times-frac div-exp
20×associate-*l* add-cbrt-cube
13×pow-to-exp
10×pow1
rec-exp 1-exp
cbrt-unprod
log-prod
associate-*l/ sqr-pow
distribute-lft-neg-in distribute-rgt-neg-in exp-diff exp-sum add-log-exp
rem-log-exp log-pow *-commutative unswap-sqr
cbrt-undiv frac-times sub-neg distribute-neg-in associate-*r/ pow-prod-down associate--l+ div-inv
distribute-lft-neg-out neg-mul-1
Counts
4 → 164
Calls
4 calls:
6.0ms
(* (- (log z)) y)
1.3s
(* (* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y)) (pow (/ 1 (pow a 1.0)) 1.0))
1.0ms
(log (pow a t))
408.0ms
(* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y))

series797.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* (- (log z)) y)
473.0ms
(* (* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y)) (pow (/ 1 (pow a 1.0)) 1.0))
67.0ms
(log (pow a t))
194.0ms
(* (exp (- (- (- (* (- (log z)) y) (log (pow a t)))) b)) (/ x y))

simplify1.1s

Counts
176 → 176
Iterations

Useful iterations: 2 (553.0ms)

IterNodesCost
03503791
19013576
227302962
done50012962

prune644.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes590.0ms

Accuracy

-23.9% (2.3b remaining)

Error of 2.4b against oracle of 0.0b and baseline of 1.9b

bsearch131.0ms

Steps
ItersRangePoint
6
1.8167280670675926e-79
1.080853213011946e-78
2.2925344874563707e-79
1
2.6135170806969836e-294
2.786850100724121e-294
2.7435168457173364e-294

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03770
14953
done4953

end0.0ms

sample5.3s

Algorithm
intervals
Results
2.3s45221×body80nan
936.0ms15222×body80valid