Details

Time bar (total: 31.8s)

sample385.0ms

Algorithm
intervals
Results
168.0ms1364×body80nan
51.0ms469×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 3 (64.0ms)

IterNodesCost
01718
13218
26518
317916
448716
5167116
done500116

prune22.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.2b
(* y (log z))
1.0b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.5b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite437.0ms

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:
45.0ms
(* (- t 1.0) (log a))
15.0ms
(* y (log z))
114.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
257.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series531.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (- t 1.0) (log a))
47.0ms
(* y (log z))
171.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
239.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify1.2s

Counts
107 → 107
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02311531
14931495
214661209
done50001155

prune554.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(pow a (- t 1.0))
0.3b
(* (pow a (- t 1.0)) (pow z y))
0.4b
(/ x (/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y))))
0.7b
(/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y)))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
131×add-exp-log
65×prod-exp
61×div-exp
36×add-cbrt-cube
35×add-sqr-sqrt
31×pow-to-exp pow-exp
23×*-un-lft-identity times-frac
21×add-cube-cbrt
15×unpow-prod-down
13×cbrt-undiv
associate-*l* cbrt-unprod unswap-sqr sqr-pow
associate-*r* associate-/r* pow-sub
associate-*l/ associate-/r/ div-inv
pow1 pow-unpow
unpow-prod-up associate-/l* add-log-exp
sub-neg frac-2neg clear-num
pow-pow *-commutative distribute-lft-out-- difference-of-squares
Counts
4 → 168
Calls
4 calls:
6.0ms
(pow a (- t 1.0))
22.0ms
(* (pow a (- t 1.0)) (pow z y))
36.0ms
(/ x (/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y))))
36.0ms
(/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y)))

series846.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(pow a (- t 1.0))
178.0ms
(* (pow a (- t 1.0)) (pow z y))
284.0ms
(/ x (/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y))))
289.0ms
(/ (* y (exp b)) (* (pow a (- t 1.0)) (pow z y)))

simplify1.7s

Counts
180 → 180
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02833364
17533156
229462797
done50002745

prune594.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp b))
0.3b
(* (pow a t) (pow z y))
0.4b
(/ x (* (/ (* y (exp b)) (* (pow a t) (pow z y))) (pow a 1.0)))
0.7b
(/ (* y (exp b)) (* (pow a t) (pow z y)))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
311×add-exp-log
185×prod-exp
144×div-exp
75×pow-to-exp pow-exp
45×add-cbrt-cube
26×add-sqr-sqrt
15×cbrt-unprod
14×cbrt-undiv
12×add-cube-cbrt unpow-prod-down *-un-lft-identity
10×associate-*r* associate-*l* unswap-sqr
sqr-pow
pow1
times-frac associate-/l* add-log-exp
frac-2neg clear-num associate-/r* *-commutative div-inv
pow-prod-down associate-*l/ associate-/r/
Counts
4 → 184
Calls
4 calls:
13.0ms
(* y (exp b))
28.0ms
(* (pow a t) (pow z y))
101.0ms
(/ x (* (/ (* y (exp b)) (* (pow a t) (pow z y))) (pow a 1.0)))
35.0ms
(/ (* y (exp b)) (* (pow a t) (pow z y)))

series965.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* y (exp b))
144.0ms
(* (pow a t) (pow z y))
522.0ms
(/ x (* (/ (* y (exp b)) (* (pow a t) (pow z y))) (pow a 1.0)))
261.0ms
(/ (* y (exp b)) (* (pow a t) (pow z y)))

simplify1.9s

Counts
196 → 196
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02833616
17963339
229832899
done50002871

prune591.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(pow a (- t 1.0))
0.3b
(* (pow a (- t 1.0)) (pow z y))
0.5b
(* x (/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b))))
0.8b
(/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b)))

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
131×add-exp-log
86×prod-exp
40×div-exp
36×add-cbrt-cube
31×pow-to-exp pow-exp
28×add-sqr-sqrt
15×unpow-prod-down
14×*-un-lft-identity cbrt-unprod
12×add-cube-cbrt associate-*r* associate-*l*
10×unswap-sqr
sqr-pow
cbrt-undiv
pow1
pow-unpow
unpow-prod-up add-log-exp
pow-sub
sub-neg times-frac associate-*l/ *-commutative div-inv
pow-pow frac-2neg associate-*r/ pow-prod-down clear-num associate-/r* associate-/l/ associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 149
Calls
4 calls:
11.0ms
(pow a (- t 1.0))
22.0ms
(* (pow a (- t 1.0)) (pow z y))
86.0ms
(* x (/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b))))
30.0ms
(/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b)))

series1.1s

Counts
4 → 12
Calls
4 calls:
111.0ms
(pow a (- t 1.0))
220.0ms
(* (pow a (- t 1.0)) (pow z y))
372.0ms
(* x (/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b))))
366.0ms
(/ (* (pow a (- t 1.0)) (pow z y)) (* y (exp b)))

simplify1.7s

Counts
161 → 161
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02442857
16682653
226382277
done50002244

prune615.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes586.0ms

Accuracy

-21.7% (2.4b remaining)

Error of 2.4b against oracle of 0.0b and baseline of 2.0b

bsearch1.1s

Steps
ItersRangePoint
9
-1.582478828949471e-73
-4.1290275866656273e-81
-1.9356588119263143e-77
9
-3446.367806925191
-9.640722949014248e-05
-0.014534861379600705

simplify9.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03060
14043
done4043

end0.0ms

sample14.1s

Algorithm
intervals
Results
6.3s45591×body80nan
3.0s15131×body80valid