Details

Time bar (total: 22.2s)

sample123.0ms

Algorithm
intervals
Results
53.0ms107×body1280valid
24.0ms79×body640valid
14.0ms282×body80valid
7.0ms36×body320valid
2.0ms19×body160valid

simplify50.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
078
1188
2268
3348
4368
done368

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.1b

localize9.0ms

Local error

Found 1 expressions with local error:

6.3b
(- (exp x) (exp (- x)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 14
Calls
1 calls:
15.0ms
(- (exp x) (exp (- x)))

series65.0ms

Counts
1 → 3
Calls
1 calls:
65.0ms
(- (exp x) (exp (- x)))

simplify5.7s

Counts
17 → 17
Iterations

Useful iterations: done (5.7s)

IterNodesCost
046185
1231174
done5001160

prune84.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
0.0b
(+ (* 1/60 (pow x 5)) (* 2 x))
0.1b
(* 1/60 (pow x 5))
0.2b
(* 1/3 (pow x 3))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
19×associate-*r*
14×add-exp-log
11×add-cube-cbrt *-un-lft-identity add-log-exp
unpow-prod-down add-cbrt-cube
unswap-sqr
associate-*l* prod-exp
pow1 cube-prod sum-log sqr-pow
+-commutative pow-to-exp flip3-+ pow-exp *-commutative cbrt-unprod flip-+
cube-mult associate-+r+ unpow3
Counts
4 → 80
Calls
4 calls:
25.0ms
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
19.0ms
(+ (* 1/60 (pow x 5)) (* 2 x))
24.0ms
(* 1/60 (pow x 5))
14.0ms
(* 1/3 (pow x 3))

series418.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
178.0ms
(+ (* 1/60 (pow x 5)) (* 2 x))
74.0ms
(* 1/60 (pow x 5))
73.0ms
(* 1/3 (pow x 3))

simplify1.5s

Counts
92 → 92
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01371055
11042929
done5000885

prune372.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5)))
0.1b
(* 1/60 (pow x 5))
0.2b
(* 1/3 (pow x 3))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×associate-*r*
13×add-exp-log
10×add-cube-cbrt *-un-lft-identity
unpow-prod-down
add-cbrt-cube unswap-sqr
associate-*l* prod-exp
add-log-exp
cube-prod sqr-pow
pow1
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative cube-mult flip3-+ unpow3 sum-log flip-+
Counts
3 → 67
Calls
3 calls:
10.0ms
(+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5)))
13.0ms
(* 1/60 (pow x 5))
17.0ms
(* 1/3 (pow x 3))

series353.0ms

Counts
3 → 9
Calls
3 calls:
216.0ms
(+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5)))
67.0ms
(* 1/60 (pow x 5))
70.0ms
(* 1/3 (pow x 3))

simplify2.7s

Counts
76 → 76
Iterations

Useful iterations: done (2.7s)

IterNodesCost
0113734
1847641
done5001605

prune287.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (pow (exp x) 3) (pow (exp (- x)) 3)) (+ (+ (exp (+ x x)) (exp (- (+ x x)))) 1))
0.1b
(pow (exp x) 3)
0.1b
(pow (exp (- x)) 3)
6.0b
(- (pow (exp x) 3) (pow (exp (- x)) 3))

rewrite923.0ms

Algorithm
rewrite-expression-head
Rules
246×*-un-lft-identity
214×add-sqr-sqrt
125×times-frac
112×difference-of-squares
90×unpow-prod-down cube-prod
78×distribute-lft-out
58×sqr-pow
46×add-cube-cbrt
35×distribute-lft-out--
25×associate-/l*
15×pow-pow
13×exp-prod
add-cbrt-cube
difference-cubes
pow1 add-exp-log pow-unpow add-log-exp
associate-/r*
distribute-lft-neg-in distribute-rgt-neg-in
cube-div cube-mult pow-to-exp flip3-- unpow3 pow-exp associate-/r/ flip-- associate-/l/ rem-cube-cbrt
cbrt-undiv neg-sub0 exp-neg neg-mul-1 sub-neg frac-2neg flip3-+ exp-diff diff-log div-sub div-exp clear-num flip-+ div-inv
Counts
4 → 267
Calls
4 calls:
808.0ms
(/ (- (pow (exp x) 3) (pow (exp (- x)) 3)) (+ (+ (exp (+ x x)) (exp (- (+ x x)))) 1))
10.0ms
(pow (exp x) 3)
18.0ms
(pow (exp (- x)) 3)
60.0ms
(- (pow (exp x) 3) (pow (exp (- x)) 3))

series502.0ms

Counts
4 → 12
Calls
4 calls:
242.0ms
(/ (- (pow (exp x) 3) (pow (exp (- x)) 3)) (+ (+ (exp (+ x x)) (exp (- (+ x x)))) 1))
41.0ms
(pow (exp x) 3)
33.0ms
(pow (exp (- x)) 3)
185.0ms
(- (pow (exp x) 3) (pow (exp (- x)) 3))

simplify3.2s

Counts
279 → 279
Iterations

Useful iterations: done (3.2s)

IterNodesCost
02858179
done50007803

prune1.1s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes39.0ms

Accuracy

53.3% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.6b

bsearch82.0ms

Steps
ItersRangePoint
8
-0.7718806003288846
-0.0008047768791668974
-0.012882299779342181

simplify11.0ms

Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
03859
15759
25858
done5858

end0.0ms

sample4.5s

Algorithm
intervals
Results
2.1s3368×body1280valid
1.1s2481×body640valid
519.0ms8069×body80valid
284.0ms1250×body320valid
73.0ms636×body160valid