Details

Time bar (total: 14.1s)

sample91.0ms

Algorithm
intervals
Results
35.0ms71×body1280valid
12.0ms241×body80nan
11.0ms123×body80valid
10.0ms32×body640valid
5.0ms24×body320valid
1.0msbody160valid

simplify19.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize7.0ms

Local error

Found 2 expressions with local error:

1.6b
(log (+ N 1.0))
1.6b
(- (log (+ N 1.0)) (log N))

rewrite22.0ms

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:
5.0ms
(log (+ N 1.0))
15.0ms
(- (log (+ N 1.0)) (log N))

series188.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(log (+ N 1.0))
122.0ms
(- (log (+ N 1.0)) (log N))

simplify4.3s

Counts
71 → 71
Iterations

Useful iterations: done (4.2s)

IterNodesCost
01271052
1277855
2666705
32050614
done5000592

prune212.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize29.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma (/ 1 (pow N 2)) (- (/ 0.3333333333333333 N) 0.5) (/ 1.0 N))
0.2b
(/ 1 (pow N 2))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
24×times-frac
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×unpow-prod-down
11×add-exp-log
associate-/r*
div-exp
add-cbrt-cube unpow2 sqr-pow
pow-to-exp rec-exp 1-exp pow-exp associate-/l*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv pow-flip frac-2neg clear-num fma-udef div-inv inv-pow
Counts
2 → 69
Calls
2 calls:
1.0ms
(fma (/ 1 (pow N 2)) (- (/ 0.3333333333333333 N) 0.5) (/ 1.0 N))
17.0ms
(/ 1 (pow N 2))

series75.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(fma (/ 1 (pow N 2)) (- (/ 0.3333333333333333 N) 0.5) (/ 1.0 N))
32.0ms
(/ 1 (pow N 2))

simplify1.4s

Counts
75 → 75
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0114835
1207694
2382564
31150560
done5000556

prune191.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (log (+ N 1.0)))
0.7b
(exp (log (log (+ N 1.0))))
1.6b
(log (+ N 1.0))
28.1b
(- (exp (log (log (+ N 1.0)))) (log N))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
36×log-prod
31×*-un-lft-identity
30×add-sqr-sqrt
28×prod-diff
26×add-cube-cbrt
25×exp-sum
22×pow1
18×log-pow
fma-neg
add-exp-log
add-log-exp
expm1-log1p-u exp-prod add-cbrt-cube log1p-expm1-u
associate--r+
log-div rem-log-exp distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip3-+ diff-log flip-- flip-+ rem-exp-log distribute-lft-out
Counts
4 → 106
Calls
4 calls:
5.0ms
(log (log (+ N 1.0)))
5.0ms
(exp (log (log (+ N 1.0))))
14.0ms
(log (+ N 1.0))
40.0ms
(- (exp (log (log (+ N 1.0)))) (log N))

series328.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(log (log (+ N 1.0)))
51.0ms
(exp (log (log (+ N 1.0))))
55.0ms
(log (+ N 1.0))
123.0ms
(- (exp (log (log (+ N 1.0)))) (log N))

simplify3.9s

Counts
118 → 118
Iterations

Useful iterations: done (3.9s)

IterNodesCost
02042051
14451493
211701200
345151007
done50001000

prune329.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes19.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 31.8b

bsearch34.0ms

Steps
ItersRangePoint
9
0.0033303272193615503
311302.39110615524
4003.5346517946036

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02127
12427
done2427

end0.0ms

sample2.9s

Algorithm
intervals
Results
994.0ms8200×body80nan
721.0ms1731×body1280valid
334.0ms4111×body80valid
312.0ms1180×body640valid
166.0ms679×body320valid
32.0ms299×body160valid