Details

Time bar (total: 19.5s)

sample185.0ms

Algorithm
intervals
Results
91.0ms253×body10240exit
45.0ms113×body1280valid
22.0ms77×body640valid
8.0ms41×body320valid
2.0ms15×body160valid
1.0ms10×body80valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11513
22513
33113
44213
55213
65513
78713
810013
913613
1020113
1135513
1289213
13291313
done500013

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.8b

localize8.0ms

Local error

Found 2 expressions with local error:

1.0b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
5.6b
(- (exp x) (exp (- x)))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
25×add-sqr-sqrt
20×times-frac
13×add-cube-cbrt
distribute-lft-out distribute-lft-out-- difference-of-squares
associate-/l*
add-exp-log associate-/r* add-cbrt-cube add-log-exp
pow1 flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-sub tanh-undef div-exp clear-num flip-+ div-inv
Counts
2 → 61
Calls
2 calls:
80.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
16.0ms
(- (exp x) (exp (- x)))

series149.0ms

Counts
2 → 6
Calls
2 calls:
97.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
52.0ms
(- (exp x) (exp (- x)))

simplify1.5s

Counts
67 → 67
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01061228
12501185
26501107
316461103
done50011095

prune195.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube tanh-def add-log-exp
Counts
1 → 10
Calls
1 calls:
2.0ms
(tanh x)

series109.0ms

Counts
1 → 3
Calls
1 calls:
108.0ms
(tanh x)

simplify1.7s

Counts
13 → 13
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
042107
18983
219479
354979
4265179
done500179

prune31.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
0.0b
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
0.0b
(* 1/60 (pow x 5))
0.1b
(* 1/3 (pow x 3))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
28×*-un-lft-identity
20×add-cube-cbrt
19×associate-*r*
16×add-exp-log
12×times-frac
10×add-cbrt-cube
add-log-exp
unpow-prod-down
unswap-sqr
associate-*l* prod-exp
pow1 cube-prod associate-/r* distribute-lft-out sqr-pow
flip3-+ sum-log flip-+ associate-/l*
pow-to-exp pow-exp associate-/r/ *-commutative cbrt-unprod associate-/l/
cbrt-undiv +-commutative cube-mult associate-+r+ frac-2neg unpow3 div-exp clear-num div-inv
Counts
4 → 104
Calls
4 calls:
111.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
30.0ms
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
18.0ms
(* 1/60 (pow x 5))
13.0ms
(* 1/3 (pow x 3))

series337.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (+ (exp x) (exp (- x))))
82.0ms
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
70.0ms
(* 1/60 (pow x 5))
48.0ms
(* 1/3 (pow x 3))

simplify1.0s

Counts
116 → 116
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02002159
14772024
214721887
done50001886

prune467.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp (* -2 x)))
0.3b
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
5.6b
(- 1 (exp (* -2 x)))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
33×add-sqr-sqrt
24×times-frac
15×add-cube-cbrt
12×difference-of-squares
distribute-lft-out
add-log-exp
associate-/l* distribute-lft-out--
add-exp-log add-cbrt-cube
associate-/r*
pow1
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 78
Calls
3 calls:
10.0ms
(+ 1 (exp (* -2 x)))
55.0ms
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
9.0ms
(- 1 (exp (* -2 x)))

series99.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1 (exp (* -2 x)))
66.0ms
(/ (- 1 (exp (* -2 x))) (+ 1 (exp (* -2 x))))
18.0ms
(- 1 (exp (* -2 x)))

simplify2.2s

Counts
87 → 87
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01161525
12721447
26771350
317311341
done50011312

prune138.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes13.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify0.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
022
done22

end0.0ms

sample7.5s

Algorithm
intervals
Results
4.6s7558×body10240exit
1.6s3398×body1280valid
728.0ms2364×body640valid
260.0ms1213×body320valid
64.0ms606×body160valid
23.0ms419×body80valid