Details

Time bar (total: 15.4s)

sample94.0ms

Algorithm
intervals
Results
33.0ms71×body1280valid
25.0ms75×body10240exit
12.0ms45×body640valid
7.0ms36×body320valid
5.0ms91×body80valid
2.0ms13×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done11
211
110
05

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.9b

localize15.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ (exp x) (- (exp x) 1))
4.7b
(- (exp x) 1)

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 63
Calls
2 calls:
22.0ms
(/ (exp x) (- (exp x) 1))
14.0ms
(- (exp x) 1)

series71.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ (exp x) (- (exp x) 1))
34.0ms
(- (exp x) 1)

simplify2.0s

Counts
69 → 69
Iterations
IterNodes
done5010
31632
2502
1203
0101

prune243.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.9b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l*
insert-posit16
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
2 → 33
Calls
2 calls:
43.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
11.0ms
(* 1/12 x)

series59.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
30.0ms
(* 1/12 x)

simplify1.8s

Counts
39 → 39
Iterations
IterNodes
done5006
31777
2480
1156
060

prune119.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.9b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (+ 1 (exp x)))
0.8b
(/ (exp x) (/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1)))
0.9b
(/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1))
5.1b
(- (exp (* 3 x)) 1)

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
160×add-sqr-sqrt
143×*-un-lft-identity
90×add-cube-cbrt
34×difference-of-squares
30×associate-/r*
17×difference-of-sqr-1 distribute-lft-out--
13×add-cbrt-cube
11×associate-/r/
10×add-exp-log associate-/l*
pow1 flip3-+ flip-+ div-inv add-log-exp
cbrt-undiv div-exp associate-*r* insert-posit16
associate-*l*
clear-num frac-2neg flip3-- associate-*r/ flip-- associate-/l/
distribute-rgt-in sub-neg distribute-lft-in diff-log div-sub pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
4 → 217
Calls
4 calls:
24.0ms
(* (exp x) (+ 1 (exp x)))
47.0ms
(/ (exp x) (/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1)))
69.0ms
(/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1))
11.0ms
(- (exp (* 3 x)) 1)

series220.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* (exp x) (+ 1 (exp x)))
89.0ms
(/ (exp x) (/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1)))
72.0ms
(/ (- (exp (* 3 x)) 1) (+ (* (exp x) (+ 1 (exp x))) 1))
24.0ms
(- (exp (* 3 x)) 1)

simplify3.0s

Counts
229 → 229
Iterations
IterNodes
done5023
23393
1910
0325

prune1.1s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.9b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.4b
(* 1/12 x)
2.1b
(exp (log (+ (* 1/12 x) (+ (/ 1 x) 1/2))))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt add-log-exp
pow1
add-exp-log
log-prod add-cbrt-cube
log-div exp-prod insert-posit16
sum-log flip3-+ associate-*r* associate-*l* exp-sum flip-+
exp-diff log-pow
+-commutative associate-+r+ rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 66
Calls
4 calls:
20.0ms
(log (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
32.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
11.0ms
(* 1/12 x)
28.0ms
(exp (log (+ (* 1/12 x) (+ (/ 1 x) 1/2))))

series105.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(log (+ (* 1/12 x) (+ (/ 1 x) 1/2)))
26.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
16.0ms
(* 1/12 x)
22.0ms
(exp (log (+ (* 1/12 x) (+ (/ 1 x) 1/2))))

simplify2.0s

Counts
78 → 78
Iterations
IterNodes
done5002
32977
2711
1264
0118

prune291.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.9b

regimes86.0ms

Accuracy

99% (0.2b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 20.6b

bsearch52.0ms

Steps
ItersRangePoint
9
-101227.54480913779
-0.0005350557287305616
-0.0014285877116162612

simplify7.0ms

Iterations
IterNodes
done30
130
021

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.1s2262×body1280valid
1.0s2513×body10240exit
632.0ms2763×body80valid
484.0ms1624×body640valid
233.0ms891×body320valid
59.0ms460×body160valid