Details

Time bar (total: 18.6s)

sample129.0ms

Algorithm
intervals
Results
85.0ms180×body1280valid
10.0ms41×body640valid
10.0ms245×body80valid
3.0ms23×body320valid
1.0msbody160valid

simplify2.0s

Counts
1 → 1
Iterations
IterNodes
done5000
102899
9809
8249
788
671
562
456
340
226
114
07

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.3b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp (- x)) 2.0)
4.3b
(+ (- (exp (- x)) 2.0) (exp x))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt
pow1 associate-+l+ sum-log sub-neg add-cbrt-cube diff-log add-exp-log add-cube-cbrt distribute-lft-out distribute-lft-out--
+-commutative flip3-+ flip3-- associate-+l- flip-+ flip-- difference-of-squares
Counts
2 → 31
Calls
2 calls:
30.0ms
(- (exp (- x)) 2.0)
99.0ms
(+ (- (exp (- x)) 2.0) (exp x))

series103.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(- (exp (- x)) 2.0)
80.0ms
(+ (- (exp (- x)) 2.0) (exp x))

simplify2.0s

Counts
37 → 37
Iterations
IterNodes
done5000
34401
2700
1198
079

prune154.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (pow x 6) 1/360) (* 1/12 (pow x 4)))
0.0b
(* (pow x 6) 1/360)
0.1b
(* 1/12 (pow x 4))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
13×add-exp-log
10×associate-*r* associate-*l*
*-un-lft-identity add-cube-cbrt
unpow-prod-down
add-cbrt-cube
prod-exp unswap-sqr
add-log-exp
sqr-pow
pow1
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative sum-log flip3-+ flip-+
Counts
3 → 61
Calls
3 calls:
8.0ms
(+ (* (pow x 6) 1/360) (* 1/12 (pow x 4)))
10.0ms
(* (pow x 6) 1/360)
10.0ms
(* 1/12 (pow x 4))

series353.0ms

Counts
3 → 9
Calls
3 calls:
201.0ms
(+ (* (pow x 6) 1/360) (* 1/12 (pow x 4)))
75.0ms
(* (pow x 6) 1/360)
77.0ms
(* 1/12 (pow x 4))

simplify781.0ms

Counts
70 → 70
Iterations
IterNodes
done5000
21033
1266
0111

prune350.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (pow (exp x) -2) (* 2.0 2.0))
0.0b
(/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0))
0.0b
(pow (exp x) -2)
3.3b
(+ (/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0)) (exp x))

rewrite343.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
31×add-sqr-sqrt
24×times-frac
19×add-cube-cbrt
18×difference-of-squares
unpow-prod-down
distribute-lft-out add-log-exp
sqr-pow
add-cbrt-cube add-exp-log associate-/l*
pow1
associate-/r* pow-pow
pow-unpow exp-prod
flip3-+ flip3-- div-sub associate-/r/ flip-+ flip-- associate-/l/
pow-to-exp cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg diff-log div-exp pow-exp associate-+l- div-inv
Counts
4 → 99
Calls
4 calls:
34.0ms
(- (pow (exp x) -2) (* 2.0 2.0))
102.0ms
(/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0))
7.0ms
(pow (exp x) -2)
195.0ms
(+ (/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0)) (exp x))

series392.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(- (pow (exp x) -2) (* 2.0 2.0))
81.0ms
(/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0))
22.0ms
(pow (exp x) -2)
244.0ms
(+ (/ (- (pow (exp x) -2) (* 2.0 2.0)) (+ (exp (- x)) 2.0)) (exp x))

simplify1.2s

Counts
111 → 111
Iterations
IterNodes
done5000
22285
1561
0207

prune482.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (pow (exp x) -2) (* 2.0 2.0))
0.0b
(pow (exp x) -2)
0.0b
(* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0)))
4.3b
(+ (* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0))) (exp x))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
23×*-un-lft-identity
18×associate-*r*
16×add-cube-cbrt
14×times-frac
13×add-exp-log
add-cbrt-cube
add-log-exp
pow1
associate-*l* difference-of-squares
unpow-prod-down
pow-pow prod-exp
pow-unpow exp-prod flip3-- flip-- distribute-lft-out unswap-sqr sqr-pow
frac-times flip3-+ div-exp associate-*l/ associate-/r/ cbrt-unprod flip-+
pow-to-exp cbrt-undiv +-commutative rec-exp sum-log sub-neg diff-log 1-exp pow-prod-down pow-exp associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 94
Calls
4 calls:
24.0ms
(- (pow (exp x) -2) (* 2.0 2.0))
4.0ms
(pow (exp x) -2)
114.0ms
(* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0)))
65.0ms
(+ (* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0))) (exp x))

series363.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(- (pow (exp x) -2) (* 2.0 2.0))
33.0ms
(pow (exp x) -2)
74.0ms
(* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0)))
203.0ms
(+ (* (- (pow (exp x) -2) (* 2.0 2.0)) (/ 1 (+ (exp (- x)) 2.0))) (exp x))

simplify3.9s

Counts
106 → 106
Iterations
IterNodes
done5001
23571
1620
0216

prune547.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes40.0ms

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done16
116
012

end0.0ms

sample4.9s

Algorithm
intervals
Results
3.4s5605×body1280valid
466.0ms1277×body640valid
436.0ms8051×body80valid
157.0ms661×body320valid
31.0ms303×body160valid