Details

Time bar (total: 34.8s)

sample95.0ms

Algorithm
intervals
Results
36.0ms53×body1280valid
22.0ms48×body640valid
12.0ms125×body80valid
8.0ms24×body320valid
1.0msbody160valid

simplify15.2s

Counts
1 → 1
Iterations
IterNodes
910145
81977
7586
6228
5100
448
327
220
116
09

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
2.6b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
22×add-sqr-sqrt
15×times-frac
11×add-cube-cbrt
associate-/r* add-cbrt-cube add-exp-log distribute-lft-out add-log-exp difference-of-squares
associate-/l*
pow1 difference-of-sqr-1 associate-/r/ insert-posit16
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ flip3-- diff-log div-exp flip-+ div-inv flip-- distribute-lft-out--
Counts
2 → 54
Calls
2 calls:
17.0ms
(/ 2 (+ 1 (exp (* -2 x))))
67.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series431.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ 2 (+ 1 (exp (* -2 x))))
402.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify5.6s

Counts
60 → 60
Iterations
IterNodes
43869
31400
2554
1231
0107

prune574.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (pow x 5) 2/15)
0.1b
(* (* x x) (* x -1/3))
0.3b
(* x -1/3)
18.6b
(+ (* (* x x) (* x -1/3)) (* (pow x 5) 2/15))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
20×add-cbrt-cube
18×pow1
16×add-sqr-sqrt
12×prod-exp
11×associate-*l*
10×cbrt-unprod
*-un-lft-identity pow-prod-down add-cube-cbrt
associate-*r*
add-log-exp
unpow-prod-down insert-posit16 unswap-sqr
*-commutative
sqr-pow
pow-to-exp +-commutative sum-log flip3-+ pow-exp flip-+
Counts
4 → 80
Calls
4 calls:
17.0ms
(* (pow x 5) 2/15)
45.0ms
(* (* x x) (* x -1/3))
11.0ms
(* x -1/3)
50.0ms
(+ (* (* x x) (* x -1/3)) (* (pow x 5) 2/15))

series386.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(* (pow x 5) 2/15)
66.0ms
(* (* x x) (* x -1/3))
19.0ms
(* x -1/3)
212.0ms
(+ (* (* x x) (* x -1/3)) (* (pow x 5) 2/15))

simplify2.0s

Counts
92 → 92
Iterations
IterNodes
33907
2991
1299
0123

prune828.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
2.6b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
22×add-sqr-sqrt
15×times-frac
11×add-cube-cbrt
associate-/r* add-cbrt-cube add-exp-log distribute-lft-out add-log-exp difference-of-squares
associate-/l*
pow1 difference-of-sqr-1 associate-/r/ insert-posit16
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ flip3-- diff-log div-exp flip-+ div-inv flip-- distribute-lft-out--
Counts
2 → 54
Calls
2 calls:
13.0ms
(/ 2 (+ 1 (exp (* -2 x))))
53.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series106.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(/ 2 (+ 1 (exp (* -2 x))))
82.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify5.6s

Counts
60 → 60
Iterations
IterNodes
43869
31400
2554
1231
0107

prune517.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes339.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.0b

bsearch2.0ms

simplify5.0ms

Iterations
IterNodes
235
135
025

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.3s1685×body1280valid
639.0ms1308×body640valid
388.0ms4064×body80valid
202.0ms624×body320valid
54.0ms319×body160valid