Details

Time bar (total: 3.5s)

sample14.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify207.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1125
2145
3155
4205
5405
6615
71505
810405
950025

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
12×times-frac
10×add-sqr-sqrt add-cube-cbrt
associate-/r* distribute-lft-out
add-exp-log add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 33
Calls
1 calls:
10.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series37.0ms

Counts
1 → 3
Calls
1 calls:
37.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify70.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
0163311
1549289
22172288
35001288

prune79.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
0.0b
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
0.0b
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
60×times-frac
46×add-sqr-sqrt add-cube-cbrt
42×cbrt-prod
36×unpow-prod-down cube-prod
16×distribute-lft-out
10×associate-/r/
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv
pow1 associate-/r*
pow-unpow associate-/l* add-log-exp
cbrt-undiv cube-div cube-mult unpow3 div-exp pow-exp rem-cube-cbrt sqr-pow
pow-to-exp cbrt-div pow-pow frac-2neg pow1/3 clear-num rem-cbrt-cube
Counts
3 → 141
Calls
3 calls:
7.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
11.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
10.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)

series149.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
41.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
71.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)

simplify65.0ms

Algorithm
egg-herbie
Counts
150 → 150
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
04471530
119691425
250021411

prune250.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
0.0b
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))))
0.0b
(/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))
0.0b
(* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x))))

rewrite203.0ms

Algorithm
rewrite-expression-head
Rules
124×times-frac
116×*-un-lft-identity
110×add-exp-log
95×add-sqr-sqrt
61×add-cube-cbrt
54×associate-*r*
44×div-exp
43×prod-exp
32×add-cbrt-cube
30×unpow-prod-down cube-prod
25×distribute-lft-out
20×associate-/r/
15×associate-*l* associate-/l* unswap-sqr
14×pow1 flip3-+ flip-+
12×sqr-pow
10×cbrt-undiv frac-times rec-exp 1-exp
cube-mult unpow3 cbrt-unprod
pow-to-exp pow-exp
pow-flip associate-*r/ associate-*l/
associate-/r*
div-inv add-log-exp
cbrt-div
frac-2neg pow-prod-down clear-num
cbrt-prod pow2 pow-plus pow1/3 pow-sqr *-commutative pow-prod-up inv-pow
Counts
4 → 262
Calls
4 calls:
18.0ms
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
61.0ms
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))))
10.0ms
(/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))
101.0ms
(* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x))))

series421.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
221.0ms
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))))
59.0ms
(/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x)))
97.0ms
(* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (/ (pow 2.0 3) (+ (exp (* -1 x)) (exp x))))

simplify140.0ms

Algorithm
egg-herbie
Counts
274 → 274
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
09183765
148673295
250013295

prune554.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))
0.0b
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
0.5b
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (pow 2.0 3)))
0.5b
(cbrt (+ (exp (* -1 x)) (exp x)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
19×pow1
17×add-exp-log
13×add-sqr-sqrt flip3-+ flip-+
11×add-cube-cbrt add-cbrt-cube
frac-times associate-/r/
distribute-lft-out
pow-flip swap-sqr
cbrt-prod associate-*l/
associate-*r/ div-exp associate-*r* associate-*l* prod-exp add-log-exp
cbrt-div times-frac associate-/l*
cbrt-undiv pow2 rec-exp pow-plus pow1/3 1-exp pow-prod-down pow-sqr pow-prod-up cbrt-unprod
distribute-rgt-in frac-2neg distribute-lft-in clear-num associate-/r* *-commutative div-inv inv-pow unswap-sqr
Counts
4 → 104
Calls
4 calls:
25.0ms
(* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))
19.0ms
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
56.0ms
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (pow 2.0 3)))
3.0ms
(cbrt (+ (exp (* -1 x)) (exp x)))

series406.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))
46.0ms
(/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x))))
186.0ms
(cbrt (* (/ 1 (* (+ (exp (* -1 x)) (exp x)) (+ (exp (* -1 x)) (exp x)))) (pow 2.0 3)))
135.0ms
(cbrt (+ (exp (* -1 x)) (exp x)))

simplify58.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
04171249
119151034
25001983

prune299.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes52.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02118
12118

end0.0ms

sample273.0ms

Algorithm
intervals
Results
185.0ms8000×body80valid