Details

Time bar (total: 30.8s)

sample67.0ms

Algorithm
intervals
Results
19.0ms45×body1280valid
16.0ms40×body640valid
11.0ms140×body80valid
5.0ms21×body320valid
2.0ms10×body160valid

simplify11.8s

Counts
1 → 1
Iterations
IterNodes
99892
81985
7571
6236
5102
450
329
222
118
09

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.4b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
3.4b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
23×add-sqr-sqrt
15×times-frac
12×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log distribute-lft-out
associate-/r* difference-of-squares
pow1 insert-posit16 associate-/l*
flip3-+ difference-of-sqr-1 associate-/r/ flip-+
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
3 → 67
Calls
3 calls:
8.0ms
(+ 1 (exp (* -2 x)))
15.0ms
(/ 2 (+ 1 (exp (* -2 x))))
57.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series126.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1 (exp (* -2 x)))
29.0ms
(/ 2 (+ 1 (exp (* -2 x))))
81.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify2.7s

Counts
76 → 76
Iterations
IterNodes
43911
31437
2615
1266
0120

prune639.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.0b
(/ 2 (+ 1 (exp (* -2 x))))
3.4b
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
23×add-sqr-sqrt
15×times-frac
12×add-cube-cbrt
add-log-exp
add-cbrt-cube add-exp-log distribute-lft-out
associate-/r* difference-of-squares
pow1 insert-posit16 associate-/l*
flip3-+ difference-of-sqr-1 associate-/r/ flip-+
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
3 → 67
Calls
3 calls:
7.0ms
(+ 1 (exp (* -2 x)))
13.0ms
(/ 2 (+ 1 (exp (* -2 x))))
66.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

series116.0ms

Counts
3 → 9
Calls
3 calls:
12.0ms
(+ 1 (exp (* -2 x)))
24.0ms
(/ 2 (+ 1 (exp (* -2 x))))
79.0ms
(- (/ 2 (+ 1 (exp (* -2 x)))) 1)

simplify2.9s

Counts
76 → 76
Iterations
IterNodes
43911
31437
2615
1266
0120

prune591.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (+ 1 (exp (* -2 x))))
0.0b
(/ (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
0.0b
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
3.4b
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

rewrite213.0ms

Algorithm
rewrite-expression-head
Rules
131×*-un-lft-identity
100×times-frac
79×add-sqr-sqrt
61×add-cube-cbrt
29×distribute-lft-out
24×swap-sqr
20×add-cbrt-cube add-exp-log
18×associate-*r* associate-*l*
12×associate-/r/ difference-of-squares
11×pow1
associate-/l*
associate-/r*
cbrt-undiv flip3-+ difference-of-sqr-1 div-exp flip-+ div-inv add-log-exp
prod-exp cbrt-unprod insert-posit16 unswap-sqr
clear-num frac-2neg flip3-- flip-- associate-/l/
pow2 frac-times sub-neg pow-plus diff-log div-sub pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 191
Calls
4 calls:
20.0ms
(/ 2 (+ 1 (exp (* -2 x))))
111.0ms
(/ (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
57.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
20.0ms
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

series289.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ 2 (+ 1 (exp (* -2 x))))
135.0ms
(/ (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
47.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
82.0ms
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

simplify1.0s

Counts
203 → 203
Iterations
IterNodes
22321
1762
0256

prune2.1s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1))) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
0.0b
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
3.4b
(log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)))
3.4b
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

rewrite539.0ms

Algorithm
rewrite-expression-head
Rules
134×*-un-lft-identity
104×times-frac
82×add-sqr-sqrt
63×add-cube-cbrt
42×log-pow
36×exp-prod
29×distribute-lft-out
24×swap-sqr
18×add-cbrt-cube associate-*r* associate-*l* add-exp-log
17×pow1
14×difference-of-squares
10×associate-/r/ associate-/l*
difference-of-sqr-1
add-log-exp
cbrt-undiv log-prod flip3-+ div-exp flip-+ div-inv
associate-/r* prod-exp cbrt-unprod insert-posit16 unswap-sqr
log-div sub-neg exp-diff exp-sum
pow2 frac-times clear-num frac-2neg pow-plus flip3-- diff-log div-sub rem-log-exp pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up flip--
Counts
4 → 197
Calls
4 calls:
346.0ms
(/ (log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1))) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
68.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
92.0ms
(log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)))
29.0ms
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

series338.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(/ (log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1))) (+ (/ 2 (+ 1 (exp (* -2 x)))) 1))
33.0ms
(* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x)))))
67.0ms
(log (exp (- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)))
67.0ms
(- (* (/ 2 (+ 1 (exp (* -2 x)))) (/ 2 (+ 1 (exp (* -2 x))))) 1)

simplify938.0ms

Counts
209 → 209
Iterations
IterNodes
22256
1784
0291

prune2.6s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

regimes358.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.8b

bsearch151.0ms

Steps
ItersRangePoint
8
4.2592438902487584e-05
0.10106394179147121
0.00661692382552498
9
-3.0421098639022524
-5.8481452536585384e-08
-0.004730793410321861

simplify6.0ms

Iterations
IterNodes
242
142
032

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.0s1773×body1280valid
656.0ms603×body320valid
612.0ms1248×body640valid
399.0ms4033×body80valid
61.0ms343×body160valid