Details

Time bar (total: 2.7s)

sample70.0ms

Algorithm
intervals
Results
36.0ms70×body10240exit
12.0ms271×body80valid
3.0msbody1280valid
2.0ms12×body320valid
2.0msbody640valid
1.0msbody160valid

simplify6.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0125
1195
2235
3235

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: 0.0b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(log (+ 1.0 (exp x)))
0.0b
(+ 1.0 (exp x))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt add-cube-cbrt log-prod add-log-exp
pow1 add-exp-log fma-def
expm1-log1p-u log-div flip3-+ add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out
+-commutative rem-log-exp sum-log log-pow
Counts
2 → 34
Calls
2 calls:
3.0ms
(log (+ 1.0 (exp x)))
3.0ms
(+ 1.0 (exp x))

series72.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(log (+ 1.0 (exp x)))
8.0ms
(+ 1.0 (exp x))

simplify100.0ms

Algorithm
egg-herbie
Counts
40 → 40
Iterations

Useful iterations: 4 (96.0ms)

IterNodesCost
0137181
1364163
21024163
33614161
45001159

prune74.0ms

Filtered
40 candidates to 31 candidates (77.5%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New39140
Fresh000
Picked011
Done000
Total39241

Merged error: 0b

Counts
41 → 2

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(expm1 (log1p (+ 1.0 (exp x))))
0.6b
(log1p (+ 1.0 (exp x)))
20.8b
(log (expm1 (log1p (+ 1.0 (exp x)))))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt add-cube-cbrt add-log-exp
pow1 add-exp-log expm1-log1p-u
add-cbrt-cube log1p-expm1-u
log-prod fma-def
+-commutative log1p-udef expm1-log1p flip3-+ log1p-expm1 rem-log-exp sum-log log-pow flip-+ distribute-lft-out expm1-udef
Counts
4 → 53
Calls
4 calls:
3.0ms
(+ 1.0 (exp x))
1.0ms
(expm1 (log1p (+ 1.0 (exp x))))
1.0ms
(log1p (+ 1.0 (exp x)))
1.0ms
(log (expm1 (log1p (+ 1.0 (exp x)))))

series378.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(+ 1.0 (exp x))
114.0ms
(expm1 (log1p (+ 1.0 (exp x))))
79.0ms
(log1p (+ 1.0 (exp x)))
177.0ms
(log (expm1 (log1p (+ 1.0 (exp x)))))

simplify47.0ms

Algorithm
egg-herbie
Counts
65 → 65
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0223308
1629266
21829264
35001264

prune149.0ms

Filtered
65 candidates to 50 candidates (76.9%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New65065
Fresh000
Picked011
Done011
Total65267

Merged error: 0b

Counts
67 → 2

regimes46.0ms

Accuracy

0% (0.0b remaining)

Error of 0.5b against oracle of 0.5b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0105
1105

end0.0ms

sample1.7s

Algorithm
intervals
Results
957.0ms2411×body10240exit
303.0ms8367×body80valid
73.0ms139×body1280valid
64.0ms246×body640valid
33.0ms195×body320valid
13.0ms111×body160valid