Details

Time bar (total: 19.3s)

sample38.0ms

Algorithm
intervals
Results
13.0ms52×body1280valid
6.0ms33×body640valid
5.0ms142×body80valid
2.0ms16×body320valid
1.0ms13×body160valid

simplify3.4s

Counts
1 → 1
Iterations
IterNodes
done5002
83495
7880
6223
597
448
327
220
115
09

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
0.0b
(+ 1.0 (exp (* -2.0 x)))
3.1b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
17×add-sqr-sqrt
13×times-frac
12×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log distribute-lft-out
associate-/r*
pow1 associate-/l*
flip3-+ associate-/r/ flip-+ difference-of-squares
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
3 → 60
Calls
3 calls:
23.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
10.0ms
(+ 1.0 (exp (* -2.0 x)))
71.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series185.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
24.0ms
(+ 1.0 (exp (* -2.0 x)))
107.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify1.8s

Counts
69 → 69
Iterations
IterNodes
done5000
32207
2722
1261
0116

prune360.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
3.1b
(- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
86×*-un-lft-identity
64×times-frac
52×add-sqr-sqrt
40×add-cube-cbrt
24×swap-sqr
20×distribute-lft-out
18×associate-*r* associate-*l*
16×add-cbrt-cube add-exp-log
11×pow1
10×add-log-exp
associate-/r/
flip3-+ flip-+
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative sum-log
pow2 frac-times sub-neg pow-plus flip3-- diff-log pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up flip-- difference-of-squares
Counts
4 → 125
Calls
4 calls:
5.0ms
(+ 1.0 (exp (* -2.0 x)))
5.0ms
(+ 1.0 (exp (* -2.0 x)))
70.0ms
(* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
30.0ms
(- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))

series218.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(+ 1.0 (exp (* -2.0 x)))
21.0ms
(+ 1.0 (exp (* -2.0 x)))
54.0ms
(* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
117.0ms
(- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))

simplify1.8s

Counts
137 → 137
Iterations
IterNodes
done5001
21929
1580
0178

prune707.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
3.1b
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
10×add-sqr-sqrt add-log-exp
add-cbrt-cube add-exp-log
flip3-+ associate-/r/ flip-+
add-cube-cbrt
frac-times pow1 times-frac
associate-/l*
cbrt-undiv +-commutative sum-log div-exp associate-*l/ associate-*r/ distribute-lft-out difference-of-squares
clear-num associate-/r* sub-neg frac-2neg flip3-- diff-log prod-exp cbrt-unprod div-inv flip-- distribute-lft-out--
Counts
4 → 68
Calls
4 calls:
10.0ms
(+ 1.0 (exp (* -2.0 x)))
10.0ms
(+ 1.0 (exp (* -2.0 x)))
18.0ms
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
69.0ms
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)

series232.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(+ 1.0 (exp (* -2.0 x)))
29.0ms
(+ 1.0 (exp (* -2.0 x)))
61.0ms
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
111.0ms
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)

simplify2.5s

Counts
80 → 80
Iterations
IterNodes
done5005
33626
21002
1311
0122

prune391.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize66.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
3.1b
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)
3.1b
(log (exp (- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)))

rewrite301.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
14×*-un-lft-identity
add-cbrt-cube add-exp-log
associate-/r/ add-cube-cbrt add-log-exp
flip3-+ log-pow flip-+
exp-prod
pow1 log-prod times-frac
frac-times difference-of-squares
associate-/l*
cbrt-undiv sub-neg div-exp exp-sum associate-*l/ associate-*r/ distribute-lft-out--
+-commutative log-div clear-num associate-/r* sum-log frac-2neg flip3-- exp-diff diff-log rem-log-exp prod-exp cbrt-unprod div-inv flip-- distribute-lft-out
Counts
4 → 77
Calls
4 calls:
5.0ms
(+ 1.0 (exp (* -2.0 x)))
23.0ms
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
61.0ms
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)
210.0ms
(log (exp (- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)))

series347.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(+ 1.0 (exp (* -2.0 x)))
74.0ms
(/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))))
127.0ms
(- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)
128.0ms
(log (exp (- (/ 4.0 (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x))))) 1.0)))

simplify3.6s

Counts
89 → 89
Iterations
IterNodes
done5000
34930
21178
1368
0151

prune590.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes489.0ms

Accuracy

99.7% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 28.9b

bsearch2.0ms

simplify12.0ms

Iterations
IterNodes
done40
140
032

end0.0ms

sample1.9s

Algorithm
intervals
Results
572.0ms1684×body1280valid
516.0ms4140×body80valid
423.0ms1247×body640valid
123.0ms627×body320valid
32.0ms302×body160valid