Details

Time bar (total: 4.7s)

sample42.0ms

Algorithm
intervals
Results
10.0ms43×body1280valid
6.0ms293×body80nan
6.0ms141×body80valid
6.0ms39×body640valid
2.0ms17×body320valid
1.0ms16×body160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.0b

localize6.0ms

Local error

Found 2 expressions with local error:

2.2b
(log (+ N 1.0))
4.2b
(- (log (+ N 1.0)) (log N))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×pow1 add-sqr-sqrt prod-diff
14×add-cube-cbrt log-pow
11×log-prod
log-div fma-neg associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 65
Calls
2 calls:
4.0ms
(log (+ N 1.0))
14.0ms
(- (log (+ N 1.0)) (log N))

series140.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(log (+ N 1.0))
93.0ms
(- (log (+ N 1.0)) (log N))

simplify125.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 3 (119.0ms)

IterNodesCost
0277598
1837444
23748347
35001343

prune127.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
4.3b
(log (/ (+ N 1.0) N))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
24×times-frac
19×add-sqr-sqrt add-cube-cbrt
16×log-prod
add-exp-log distribute-lft-out
add-cbrt-cube associate-/l*
pow1 associate-/r*
expm1-log1p-u div-exp rem-log-exp log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 64
Calls
2 calls:
20.0ms
(/ (+ N 1.0) N)
6.0ms
(log (/ (+ N 1.0) N))

series128.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (+ N 1.0) N)
82.0ms
(log (/ (+ N 1.0) N))

simplify104.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 3 (98.0ms)

IterNodesCost
0243383
1808358
23663347
35001344

prune122.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (+ N 1.0))
2.2b
(log (+ N 1.0))
2.2b
(log (+ N 1.0))
26.8b
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×log-prod
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt
log-div
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-+ rem-log-exp log-pow flip-+ distribute-lft-out
fma-udef
Counts
4 → 61
Calls
4 calls:
4.0ms
(log (+ N 1.0))
4.0ms
(log (+ N 1.0))
4.0ms
(log (+ N 1.0))
0.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

series526.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(log (+ N 1.0))
45.0ms
(log (+ N 1.0))
40.0ms
(log (+ N 1.0))
400.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

simplify48.0ms

Algorithm
egg-herbie
Counts
73 → 73
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0435668
11865598
25002583

prune244.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (+ N 1.0))
26.8b
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
26.8b
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
26.8b
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt
expm1-log1p-u log-prod add-cbrt-cube log1p-expm1-u add-log-exp
fma-udef
log-div
flip3-+ rem-log-exp log-pow flip-+ distribute-lft-out
Counts
4 → 47
Calls
4 calls:
4.0ms
(log (+ N 1.0))
0.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
0.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
0.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

series1.3s

Counts
4 → 12
Calls
4 calls:
45.0ms
(log (+ N 1.0))
405.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
405.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))
396.0ms
(fma (* (cbrt (log (+ N 1.0))) (cbrt (log (+ N 1.0)))) (cbrt (log (+ N 1.0))) (log (/ 1 N)))

simplify49.0ms

Algorithm
egg-herbie
Counts
59 → 59
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
04351212
118651090
250021045

prune305.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes22.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 29.2b

bsearch31.0ms

Steps
ItersRangePoint
10
177.7519823634673
3845520655822.575
8816.358696954578

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0219
1219

end0.0ms

sample1.3s

Algorithm
intervals
Results
417.0ms1744×body1280valid
188.0ms7890×body80nan
184.0ms1226×body640valid
169.0ms4117×body80valid
61.0ms613×body320valid
20.0ms300×body160valid