Details

Time bar (total: 2.6s)

sample62.0ms

Algorithm
intervals
Results
34.0ms72×body1280valid
10.0ms48×body640valid
4.0ms31×body320valid
2.0ms92×body80valid
2.0ms71×body80nan
1.0ms13×body160valid

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
054
154

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 38.4b

Counts
2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

3.6b
(log (+ 1.0 x))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

simplify40.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 0 (37.0ms)

IterNodesCost
05648142

prune36.0ms

Filtered
13 candidates to 18 candidates (-38.5%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New15318
Fresh000
Picked011
Done000
Total15419

Merged error: 0.1b

Counts
19 → 4

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b
(* x (- 1.0 (/ (* x 1/2) (* 1.0 1.0))))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity associate-*r*
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- add-log-exp difference-of-squares unswap-sqr
Counts
1 → 26
Calls
1 calls:
7.0ms
(* x (- 1.0 (/ (* x 1/2) (* 1.0 1.0))))

series6.0ms

Counts
1 → 3
Calls
1 calls:
6.0ms
(* x (- 1.0 (/ (* x 1/2) (* 1.0 1.0))))

simplify25.0ms

Algorithm
egg-herbie
Counts
29 → 29
Iterations

Useful iterations: 0 (21.0ms)

IterNodesCost
05063344

prune47.0ms

Filtered
20 candidates to 29 candidates (-45.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New28129
Fresh022
Picked101
Done011
Total29433

Merged error: 0.1b

Counts
33 → 4

localize9.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (* x 1.0) (* x (* (/ x 1.0) (/ -1/2 1.0))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt *-un-lft-identity flip3-+ sum-log add-cbrt-cube flip-+ distribute-lft-out
Counts
1 → 12
Calls
1 calls:
4.0ms
(+ (* x 1.0) (* x (* (/ x 1.0) (/ -1/2 1.0))))

series9.0ms

Counts
1 → 3
Calls
1 calls:
9.0ms
(+ (* x 1.0) (* x (* (/ x 1.0) (/ -1/2 1.0))))

simplify36.0ms

Algorithm
egg-herbie
Counts
15 → 15
Iterations

Useful iterations: 0 (33.0ms)

IterNodesCost
04977216
14977216

prune28.0ms

Filtered
12 candidates to 15 candidates (-25.0%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New15015
Fresh022
Picked011
Done011
Total15419

Merged error: 0.1b

Counts
19 → 4

localize6.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1.0 x))
0.0b
(sqrt (+ 1.0 x))
3.6b
(log (sqrt (+ 1.0 x)))
3.6b
(log (sqrt (+ 1.0 x)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×sqrt-prod
14×log-prod
12×add-sqr-sqrt
10×pow1 add-cube-cbrt
sqrt-div
add-exp-log log-pow
log-div sqrt-pow1 flip3-+ pow1/2 add-cbrt-cube flip-+ distribute-lft-out add-log-exp
rem-sqrt-square rem-log-exp
Counts
4 → 72
Calls
4 calls:
3.0ms
(sqrt (+ 1.0 x))
3.0ms
(sqrt (+ 1.0 x))
4.0ms
(log (sqrt (+ 1.0 x)))
4.0ms
(log (sqrt (+ 1.0 x)))

series18.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(sqrt (+ 1.0 x))
3.0ms
(sqrt (+ 1.0 x))
6.0ms
(log (sqrt (+ 1.0 x)))
6.0ms
(log (sqrt (+ 1.0 x)))

simplify48.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 0 (38.0ms)

IterNodesCost
05527848

prune145.0ms

Filtered
64 candidates to 84 candidates (-31.3%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New81384
Fresh101
Picked101
Done022
Total83588

Merged error: 0.1b

Counts
88 → 5

regimes140.0ms

Accuracy

99% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.6b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02934
12934

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.0s2236×body1280valid
381.0ms1679×body640valid
101.0ms857×body320valid
73.0ms2798×body80valid
46.0ms2588×body80nan
30.0ms430×body160valid

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