Details

Time bar (total: 3.9s)

sample76.0ms

Algorithm
intervals
Results
34.0ms111×body1280valid
15.0ms76×body640valid
9.0ms311×body80valid
5.0ms39×body320valid
2.0ms22×body160valid

simplify227.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0145
1235
2315
3365
4415
5655
61085
72675
813425
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: 58.2b

Counts
2 → 1

localize9.0ms

Local error

Found 1 expressions with local error:

5.3b
(- (exp x) (exp (- x)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
5.0ms
(- (exp x) (exp (- x)))

series37.0ms

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

simplify118.0ms

Algorithm
egg-herbie
Counts
31 → 31
Iterations

Useful iterations: 3 (113.0ms)

IterNodesCost
0158354
1416228
22421226
35002203

prune66.0ms

Filtered
31 candidates to 18 candidates (58.1%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New28331
Fresh000
Picked101
Done000
Total29332

Merged error: 0b

Counts
32 → 3

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 1/60 (pow x 5) (* 2 x))
0.0b
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
1.0ms
(fma 1/60 (pow x 5) (* 2 x))
1.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

series180.0ms

Counts
2 → 6
Calls
2 calls:
121.0ms
(fma 1/60 (pow x 5) (* 2 x))
59.0ms
(fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))

simplify35.0ms

Algorithm
egg-herbie
Counts
26 → 26
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
060148
1184130
21006130
35001130

prune65.0ms

Filtered
26 candidates to 20 candidates (76.9%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New26026
Fresh022
Picked011
Done000
Total26329

Merged error: 0b

Counts
29 → 3

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (exp x))
0.0b
(sqrt (exp x))
5.4b
(fma (sqrt (exp x)) (sqrt (exp x)) (- (exp (- x))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
sqrt-pow1
add-cube-cbrt *-un-lft-identity
exp-prod sqrt-prod
pow1
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
rem-sqrt-square pow1/2
fma-udef
Counts
3 → 46
Calls
3 calls:
2.0ms
(sqrt (exp x))
2.0ms
(sqrt (exp x))
1.0ms
(fma (sqrt (exp x)) (sqrt (exp x)) (- (exp (- x))))

series107.0ms

Counts
3 → 9
Calls
3 calls:
12.0ms
(sqrt (exp x))
12.0ms
(sqrt (exp x))
83.0ms
(fma (sqrt (exp x)) (sqrt (exp x)) (- (exp (- x))))

simplify79.0ms

Algorithm
egg-herbie
Counts
55 → 55
Iterations

Useful iterations: 4 (74.0ms)

IterNodesCost
0103242
1216214
2638213
32234211
45001209

prune113.0ms

Filtered
55 candidates to 42 candidates (76.4%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New55055
Fresh011
Picked011
Done011
Total55358

Merged error: 0b

Counts
58 → 3

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(exp (- (exp x) (exp (- x))))
5.3b
(- (exp x) (exp (- x)))
5.5b
(log (exp (- (exp x) (exp (- x)))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt *-un-lft-identity
27×prod-diff
25×add-cube-cbrt
22×exp-sum
14×log-prod
10×exp-prod
add-log-exp
log-pow
pow1
add-exp-log expm1-log1p-u sub-neg fma-neg add-cbrt-cube log1p-expm1-u distribute-lft-out-- difference-of-squares
exp-diff diff-log rem-exp-log
log-div flip3-- rem-log-exp flip--
Counts
3 → 87
Calls
3 calls:
6.0ms
(exp (- (exp x) (exp (- x))))
5.0ms
(- (exp x) (exp (- x)))
7.0ms
(log (exp (- (exp x) (exp (- x)))))

series116.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(exp (- (exp x) (exp (- x))))
35.0ms
(- (exp x) (exp (- x)))
38.0ms
(log (exp (- (exp x) (exp (- x)))))

simplify173.0ms

Algorithm
egg-herbie
Counts
96 → 96
Iterations

Useful iterations: 3 (164.0ms)

IterNodesCost
02461078
1641719
23506531
35001528

prune144.0ms

Filtered
96 candidates to 56 candidates (58.3%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New96096
Fresh000
Picked011
Done022
Total96399

Merged error: 0b

Counts
99 → 3

regimes32.0ms

Accuracy

0% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 0.6b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0146
1146

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.1s3422×body1280valid
466.0ms2404×body640valid
251.0ms8238×body80valid
158.0ms1272×body320valid
50.0ms650×body160valid