Details

Time bar (total: 3.7s)

sample60.0ms

Algorithm
intervals
Results
31.0ms69×body1280valid
12.0ms58×body640valid
3.0ms27×body320valid
2.0ms91×body80valid
1.0ms66×body80nan
1.0ms11×body160valid

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152

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: 38.5b

Counts
2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

3.3b
(log (+ 1.0 x))

rewrite4.0ms

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))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(log (+ 1.0 x))

simplify38.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 3 (35.0ms)

IterNodesCost
012295
132786
2116181
3500278

prune47.0ms

Filtered
18 candidates to 13 candidates (72.2%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New13518
Fresh000
Picked101
Done000
Total14519

Merged error: 0.1b

Counts
19 → 5

localize10.0ms

Local error

Found 1 expressions with local error:

0.2b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
69×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
35×add-cube-cbrt *-un-lft-identity
24×add-exp-log unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
pow-to-exp pow-exp add-cbrt-cube
pow1 associate-*l*
cbrt-unprod
cbrt-undiv associate-*r/ pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 110
Calls
1 calls:
24.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

series48.0ms

Counts
1 → 3
Calls
1 calls:
48.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

simplify53.0ms

Algorithm
egg-herbie
Counts
113 → 113
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
0531638
12305526
25002525

prune243.0ms

Filtered
113 candidates to 68 candidates (60.2%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New1130113
Fresh044
Picked011
Done000
Total1135118

Merged error: 0.1b

Counts
118 → 5

localize6.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1.0 x))
0.0b
(sqrt (+ 1.0 x))
3.3b
(log (sqrt (+ 1.0 x)))
3.3b
(log (sqrt (+ 1.0 x)))

rewrite16.0ms

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)))

series228.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(sqrt (+ 1.0 x))
35.0ms
(sqrt (+ 1.0 x))
83.0ms
(log (sqrt (+ 1.0 x)))
81.0ms
(log (sqrt (+ 1.0 x)))

simplify61.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 3 (55.0ms)

IterNodesCost
0176480
1494436
21896418
35001406

prune180.0ms

Filtered
84 candidates to 60 candidates (71.4%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New83184
Fresh033
Picked101
Done011
Total84589

Merged error: 0.1b

Counts
89 → 5

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (sqrt (+ 1.0 x)))
3.3b
(log (sqrt (+ 1.0 x)))
3.3b
(log (sqrt (sqrt (+ 1.0 x))))
3.3b
(log (sqrt (sqrt (+ 1.0 x))))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
38×sqrt-prod
27×log-prod
22×*-un-lft-identity
16×add-sqr-sqrt
14×pow1 add-cube-cbrt sqrt-div
13×sqrt-pow1 log-pow
add-exp-log pow1/2
log-div
flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
rem-log-exp
rem-sqrt-square
Counts
4 → 92
Calls
4 calls:
4.0ms
(sqrt (sqrt (+ 1.0 x)))
4.0ms
(log (sqrt (+ 1.0 x)))
5.0ms
(log (sqrt (sqrt (+ 1.0 x))))
5.0ms
(log (sqrt (sqrt (+ 1.0 x))))

series410.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(sqrt (sqrt (+ 1.0 x)))
81.0ms
(log (sqrt (+ 1.0 x)))
119.0ms
(log (sqrt (sqrt (+ 1.0 x))))
124.0ms
(log (sqrt (sqrt (+ 1.0 x))))

simplify143.0ms

Algorithm
egg-herbie
Counts
104 → 104
Iterations

Useful iterations: 3 (135.0ms)

IterNodesCost
0350755
11097708
24395676
35001651

prune270.0ms

Filtered
104 candidates to 73 candidates (70.2%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1022104
Fresh213
Picked101
Done011
Total1054109

Merged error: 0.1b

Counts
109 → 4

regimes57.0ms

Accuracy

99.3% (0.1b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.0b

bsearch2.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03224
13224

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.0s2306×body1280valid
339.0ms1644×body640valid
94.0ms848×body320valid
58.0ms2731×body80valid
35.0ms2595×body80nan
29.0ms471×body160valid