Details

Time bar (total: 5.8s)

sample89.0ms

Algorithm
intervals
Results
24.0ms337×body80valid
23.0ms45×body1280valid
17.0ms45×body640valid
4.0ms57×body80overflowed
4.0ms18×body320valid
1.0ms10×body160valid

simplify36.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 4 (34.0ms)

IterNodesCost
04616
112216
234716
3129516
4500115

prune6.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New101
Fresh011
Picked000
Done000
Total112

Merged error: 27.2b

Counts
2 → 1

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
0.0b
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
0.0b
(* (+ 1.0 eps) x)
1.9b
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
81×frac-sub
80×exp-neg frac-times
60×neg-sub0 exp-diff
42×associate-*l/
40×associate-*r/
31×flip3-- flip3-+ flip-- flip-+
21×add-sqr-sqrt
20×un-div-inv
16×*-un-lft-identity
14×associate-*l*
10×pow1 add-cube-cbrt add-cbrt-cube
associate-*r*
add-exp-log
add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
distribute-lft-out difference-of-squares
sub-neg times-frac diff-log distribute-lft-out--
Counts
4 → 172
Calls
4 calls:
12.0ms
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
13.0ms
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
6.0ms
(* (+ 1.0 eps) x)
19.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

series316.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x))))
47.0ms
(* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x))))
30.0ms
(* (+ 1.0 eps) x)
189.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (- (/ 1.0 eps) 1.0) (exp (- (* (+ 1.0 eps) x)))))

simplify149.0ms

Algorithm
egg-herbie
Counts
184 → 184
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
012574061
147723783
250013783

prune401.0ms

Filtered
184 candidates to 94 candidates (51.1%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New1822184
Fresh000
Picked101
Done000
Total1832185

Merged error: 0.2b

Counts
185 → 2

localize10.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 0.6666666666666667 (pow x 3))
7.0b
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×associate-*r*
add-exp-log add-log-exp
add-cube-cbrt *-un-lft-identity
unpow-prod-down cube-prod add-cbrt-cube unswap-sqr
associate-*l* prod-exp
pow1 diff-log sqr-pow
cube-mult pow-to-exp sub-neg flip3-- unpow3 pow-exp associate--l+ sum-log *-commutative flip-- cbrt-unprod
Counts
2 → 45
Calls
2 calls:
6.0ms
(* 0.6666666666666667 (pow x 3))
7.0ms
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

series78.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(* 0.6666666666666667 (pow x 3))
38.0ms
(- (+ (* 0.6666666666666667 (pow x 3)) 2.0) (* 1.0 (pow x 2)))

simplify35.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0207270
1894242
25002238

prune87.0ms

Filtered
51 candidates to 31 candidates (60.8%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New50151
Fresh011
Picked011
Done000
Total50353

Merged error: 0.2b

Counts
53 → 3

localize17.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 0.6666666666666667 (pow x 3))
1.0b
(exp (log (* 0.6666666666666667 (pow x 3))))
7.0b
(- (+ (exp (log (* 0.6666666666666667 (pow x 3)))) 2.0) (* 1.0 (pow x 2)))
47.5b
(log (* 0.6666666666666667 (pow x 3)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×add-exp-log
12×associate-*r*
add-cube-cbrt *-un-lft-identity add-log-exp
pow1 prod-exp add-cbrt-cube
unpow-prod-down exp-prod cube-prod rem-log-exp unswap-sqr
associate-*l*
pow-to-exp log-prod diff-log pow-exp log-pow sqr-pow
cube-mult sub-neg flip3-- unpow3 exp-sum associate--l+ sum-log *-commutative flip-- cbrt-unprod rem-exp-log
Counts
4 → 71
Calls
4 calls:
6.0ms
(* 0.6666666666666667 (pow x 3))
4.0ms
(exp (log (* 0.6666666666666667 (pow x 3))))
10.0ms
(- (+ (exp (log (* 0.6666666666666667 (pow x 3)))) 2.0) (* 1.0 (pow x 2)))
4.0ms
(log (* 0.6666666666666667 (pow x 3)))

series264.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* 0.6666666666666667 (pow x 3))
41.0ms
(exp (log (* 0.6666666666666667 (pow x 3))))
38.0ms
(- (+ (exp (log (* 0.6666666666666667 (pow x 3)))) 2.0) (* 1.0 (pow x 2)))
150.0ms
(log (* 0.6666666666666667 (pow x 3)))

simplify40.0ms

Algorithm
egg-herbie
Counts
83 → 83
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0262413
11064355
25002346

prune305.0ms

Filtered
83 candidates to 49 candidates (59.0%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New82183
Fresh011
Picked101
Done011
Total83386

Merged error: 0.2b

Counts
86 → 3

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ 1.0 eps) x)
0.0b
(* (+ 1.0 eps) x)
0.0b
(* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x)))))
3.9b
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x))))))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
384×frac-times
360×sqrt-div
284×exp-neg
258×neg-sub0 exp-diff
234×frac-sub
196×associate-*l/
132×associate-*r/
91×flip3-- flip--
80×flip3-+ flip-+
26×un-div-inv
14×add-sqr-sqrt *-un-lft-identity
13×pow1 add-exp-log add-cbrt-cube
12×associate-*r*
10×add-cube-cbrt
associate-*l*
add-log-exp
pow-prod-down prod-exp cbrt-unprod
sqrt-prod *-commutative
distribute-lft-out unswap-sqr
sub-neg diff-log
Counts
4 → 335
Calls
4 calls:
6.0ms
(* (+ 1.0 eps) x)
6.0ms
(* (+ 1.0 eps) x)
21.0ms
(* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x)))))
25.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x))))))

series301.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(* (+ 1.0 eps) x)
30.0ms
(* (+ 1.0 eps) x)
48.0ms
(* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x)))))
196.0ms
(- (* (+ 1.0 (/ 1.0 eps)) (exp (- (* (- 1.0 eps) x)))) (* (* (- (/ 1.0 eps) 1.0) (sqrt (exp (- (* (+ 1.0 eps) x))))) (sqrt (exp (- (* (+ 1.0 eps) x))))))

simplify142.0ms

Algorithm
egg-herbie
Counts
347 → 347
Iterations

Useful iterations: 1 (41.0ms)

IterNodesCost
0220012136
1500111742

prune549.0ms

Filtered
347 candidates to 109 candidates (31.4%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New3470347
Fresh011
Picked011
Done011
Total3473350

Merged error: 0.2b

Counts
350 → 3

regimes72.0ms

Accuracy

97.2% (0.5b remaining)

Error of 0.9b against oracle of 0.4b and baseline of 16.6b

bsearch126.0ms

Steps
ItersRangePoint
8
14.716166499582775
53889.47736569451
377.3254080657518

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05130
15930
25930

end0.0ms

sample2.6s

Algorithm
intervals
Results
859.0ms1699×body1280valid
716.0ms10167×body80valid
389.0ms1241×body640valid
143.0ms657×body320valid
136.0ms1978×body80overflowed
44.0ms320×body160valid