Details

Time bar (total: 3.8s)

analyze4.0ms

Algorithm
search

sample102.0ms

Algorithm
intervals
Results
60.0ms114×body1280valid
22.0ms76×body640valid
8.0ms45×body320valid
5.0ms19×body160valid
0.0msbody80valid

simplify12.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0186
1256
2406
3616
4886
51046
61136
71136

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 59.3b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
4.6b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
flip3-- div-exp rem-log-exp flip-- div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 82
Calls
2 calls:
7.0ms
(/ (+ 1.0 x) (- 1.0 x))
7.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series8.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(/ (+ 1.0 x) (- 1.0 x))
5.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify120.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0318660
11025624
24261602
35003602

prune141.0ms

Filtered
58 candidates to 88 candidates (-51.7%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New86288
Fresh000
Picked101
Done000
Total87289

Merged error: 0b

Counts
89 → 2

localize13.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

rewrite28.0ms

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:
22.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series5.0ms

Counts
1 → 3
Calls
1 calls:
5.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify50.0ms

Algorithm
egg-herbie
Counts
113 → 113
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0528643
12205526
25001525

prune201.0ms

Filtered
68 candidates to 113 candidates (-66.2%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New1130113
Fresh011
Picked011
Done000
Total1132115

Merged error: 0b

Counts
115 → 2

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log (+ 1.0 x)) (log (- 1.0 x)))
4.6b
(log (- 1.0 x))
4.7b
(log (+ 1.0 x))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
18×log-prod
13×add-sqr-sqrt
pow1
log-div
add-cube-cbrt
log-pow distribute-lft-out--
add-exp-log associate--r+
associate--l+
flip3-- add-cbrt-cube flip-- add-log-exp difference-of-squares
associate--l- flip3-+ rem-log-exp flip-+ distribute-lft-out associate--r-
sub-neg diff-log
Counts
3 → 61
Calls
3 calls:
9.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
3.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series17.0ms

Counts
3 → 9
Calls
3 calls:
11.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
3.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

simplify77.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0317438
1857414
23110392
35001392

prune108.0ms

Filtered
53 candidates to 70 candidates (-32.1%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New70070
Fresh000
Picked011
Done011
Total70272

Merged error: 0b

Counts
72 → 2

regimes25.0ms

Accuracy

0% (0.5b remaining)

Error of 0.7b against oracle of 0.2b and baseline of 0.7b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02012
12012

end0.0ms

analyze4.0ms

Algorithm
search

sample2.9s

Algorithm
intervals
Results
1.7s3402×body1280valid
726.0ms2510×body640valid
224.0ms1249×body320valid
71.0ms637×body160valid
10.0ms202×body80valid

Profiling

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