Details

Time bar (total: 55.1s)

sample77.0ms

Algorithm
intervals
Results
52.0ms185×body1280valid
6.0ms275×body80valid
6.0ms38×body640valid
2.0ms20×body320valid
1.0ms11×body160valid

simplify219.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0145
1265
2415
3555
4675
51005
61445
72965
813215
950015

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 30.1b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
3.4b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
pow1 add-exp-log neg-sub0 exp-neg add-cube-cbrt sub-neg associate-+l+ exp-diff diff-log sum-log add-cbrt-cube distribute-lft-out distribute-lft-out--
+-commutative associate-+l- flip3-+ flip-+ difference-of-squares
Counts
2 → 35
Calls
2 calls:
4.0ms
(- (exp x) 2.0)
8.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series71.0ms

Counts
2 → 6
Calls
2 calls:
13.0ms
(- (exp x) 2.0)
58.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify91.0ms

Algorithm
egg-herbie
Counts
41 → 41
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0211282
1715269
23477260
35001260

prune89.0ms

Filtered
41 candidates to 29 candidates (70.7%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New39241
Fresh000
Picked101
Done000
Total40242

Merged error: 0.0b

Counts
42 → 2

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.0b
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
0.1b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
20×add-sqr-sqrt
14×add-exp-log associate-*r* associate-*l*
13×distribute-lft-out
11×add-log-exp
10×add-cube-cbrt
pow1 unpow-prod-down add-cbrt-cube
prod-exp unswap-sqr
sum-log sqr-pow
+-commutative
pow-to-exp associate-+r+ flip3-+ pow-prod-down pow-exp *-commutative cbrt-unprod flip-+
Counts
4 → 86
Calls
4 calls:
24.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
32.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
7.0ms
(* 1/360 (pow x 6))
7.0ms
(* 1/12 (pow x 4))

series275.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
57.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
51.0ms
(* 1/360 (pow x 6))
36.0ms
(* 1/12 (pow x 4))

simplify54.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
0331520
11458495
25002479

prune198.0ms

Filtered
98 candidates to 56 candidates (57.1%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New98098
Fresh011
Picked011
Done000
Total982100

Merged error: 0.0b

Counts
100 → 2

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))
0.0b
(+ 2.0 (exp x))
0.0b
(pow (exp x) 3)
3.6b
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (exp (- x)))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
76×frac-add
60×add-sqr-sqrt
56×*-un-lft-identity associate-/l*
38×neg-sub0 exp-neg exp-diff
32×difference-of-squares
27×unpow-prod-down cube-prod
17×sqr-pow
12×add-cube-cbrt
11×pow-unpow
10×associate-/r* distribute-lft-out-- add-log-exp
difference-cubes distribute-lft-out
pow1 add-exp-log +-commutative add-cbrt-cube
associate-+l+ pow-pow associate-/l/
exp-prod flip3-+ associate-*l* sum-log flip-+
distribute-rgt-in flip3-- frac-2neg distribute-lft-in pow-exp clear-num flip--
cube-mult pow-to-exp associate-+l- unpow3 div-sub rem-cube-cbrt
Counts
4 → 145
Calls
4 calls:
15.0ms
(+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))
3.0ms
(+ 2.0 (exp x))
4.0ms
(pow (exp x) 3)
77.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (exp (- x)))

series262.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))
8.0ms
(+ 2.0 (exp x))
28.0ms
(pow (exp x) 3)
194.0ms
(+ (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (exp (- x)))

simplify161.0ms

Algorithm
egg-herbie
Counts
157 → 157
Iterations

Useful iterations: 2 (132.0ms)

IterNodesCost
09153051
145992981
250022881

prune273.0ms

Filtered
157 candidates to 69 candidates (43.9%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New1561157
Fresh000
Picked011
Done011
Total1563159

Merged error: 0.0b

Counts
159 → 3

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (exp x) 3)
0.0b
(pow (exp x) 3)
0.0b
(pow (exp x) 3)
3.6b
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))) (* (exp (- x)) (exp (- x))))

rewrite4.5s

Algorithm
rewrite-expression-head
Rules
19674×associate-/l*
19088×frac-times
18408×add-sqr-sqrt
14095×*-un-lft-identity
13707×frac-sub
11277×difference-of-squares
10661×exp-neg
9138×neg-sub0 exp-diff
8433×unpow-prod-down cube-prod
5619×sqr-pow
3524×distribute-lft-out--
3510×associate-/r*
3388×associate-*r/ associate-*l/
2817×pow-unpow
2808×difference-cubes
1550×un-div-inv
1420×add-cube-cbrt
1404×associate-/l/ distribute-lft-out
711×clear-num
706×associate-*l*
703×flip3-- flip--
702×frac-2neg
30×times-frac
29×unswap-sqr
21×swap-sqr
14×*-commutative
12×pow-pow
exp-prod
pow1 add-exp-log add-cbrt-cube
pow-exp add-log-exp
cube-mult pow-to-exp unpow3 rem-cube-cbrt
sub-neg diff-log
Counts
4 → 13850
Calls
4 calls:
4.0ms
(pow (exp x) 3)
4.0ms
(pow (exp x) 3)
4.0ms
(pow (exp x) 3)
1.6s
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))) (* (exp (- x)) (exp (- x))))

series467.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(pow (exp x) 3)
24.0ms
(pow (exp x) 3)
23.0ms
(pow (exp x) 3)
394.0ms
(- (* (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))) (/ (- (pow (exp x) 3) (pow 2.0 3)) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))) (* (exp (- x)) (exp (- x))))

simplify7.9s

Algorithm
egg-herbie
Counts
13862 → 13862
Iterations

Useful iterations: 0 (180.0ms)

IterNodesCost
013794933527

prune37.9s

Filtered
13862 candidates to 5280 candidates (38.1%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New13862013862
Fresh000
Picked011
Done022
Total13862313865

Merged error: 0.0b

Counts
13865 → 3

regimes17.0ms

Accuracy

0% (0.5b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0177
1177

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.6s5626×body1280valid
184.0ms1238×body640valid
164.0ms7748×body80valid
59.0ms646×body320valid
19.0ms334×body160valid