Details

Time bar (total: 3.8s)

sample62.0ms

Algorithm
intervals
Results
35.0ms69×body1280valid
12.0ms58×body640valid
3.0ms27×body320valid
2.0ms91×body80valid
1.0ms66×body80nan
1.0ms11×body160valid

simplify4.0ms

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
expm1-log1p-u flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
1 → 17
Calls
1 calls:
3.0ms
(log (+ 1.0 x))

series41.0ms

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

simplify42.0ms

Algorithm
egg-herbie
Counts
20 → 20
Iterations

Useful iterations: 3 (39.0ms)

IterNodesCost
013199
136389
2129286
3500281

prune54.0ms

Filtered
20 candidates to 15 candidates (75.0%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New15520
Fresh000
Picked101
Done000
Total16521

Merged error: 0.1b

Counts
21 → 5

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite32.0ms

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 expm1-log1p-u associate-*r/ pow-prod-down *-commutative log1p-expm1-u div-inv add-log-exp
Counts
1 → 112
Calls
1 calls:
25.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

series50.0ms

Counts
1 → 3
Calls
1 calls:
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

simplify63.0ms

Algorithm
egg-herbie
Counts
115 → 115
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0535648
12311536
25001535

prune275.0ms

Filtered
115 candidates to 70 candidates (60.9%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New1150115
Fresh044
Picked011
Done000
Total1155120

Merged error: 0.1b

Counts
120 → 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)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×add-sqr-sqrt sqrt-prod
14×log-prod
10×pow1 add-cube-cbrt
sqrt-div
add-exp-log log-pow
expm1-log1p-u log-div sqrt-pow1 flip3-+ pow1/2 add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
rem-sqrt-square rem-log-exp hypot-def
Counts
4 → 82
Calls
4 calls:
3.0ms
(sqrt (+ 1.0 x))
7.0ms
(sqrt (+ 1.0 x))
4.0ms
(log (sqrt (+ 1.0 x)))
4.0ms
(log (sqrt (+ 1.0 x)))

series224.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(sqrt (+ 1.0 x))
30.0ms
(sqrt (+ 1.0 x))
82.0ms
(log (sqrt (+ 1.0 x)))
82.0ms
(log (sqrt (+ 1.0 x)))

simplify60.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 3 (53.0ms)

IterNodesCost
0187510
1521462
21993440
35002428

prune221.0ms

Filtered
94 candidates to 70 candidates (74.5%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New93194
Fresh033
Picked101
Done011
Total94599

Merged error: 0.1b

Counts
99 → 5

localize10.0ms

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
expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
rem-log-exp
rem-sqrt-square
Counts
4 → 100
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))))

series422.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(sqrt (sqrt (+ 1.0 x)))
83.0ms
(log (sqrt (+ 1.0 x)))
125.0ms
(log (sqrt (sqrt (+ 1.0 x))))
126.0ms
(log (sqrt (sqrt (+ 1.0 x))))

simplify147.0ms

Algorithm
egg-herbie
Counts
112 → 112
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0370784
11190730
24805706
35001706

prune321.0ms

Filtered
112 candidates to 88 candidates (78.6%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1102112
Fresh213
Picked101
Done011
Total1134117

Merged error: 0.1b

Counts
117 → 4

regimes56.0ms

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
02923
12923

end0.0ms

sample1.7s

Algorithm
intervals
Results
997.0ms2306×body1280valid
331.0ms1644×body640valid
90.0ms848×body320valid
58.0ms2731×body80valid
37.0ms2595×body80nan
31.0ms471×body160valid