Details

Time bar (total: 18.6s)

sample85.0ms

Algorithm
intervals
Results
28.0ms60×body1280valid
11.0ms37×body640valid
11.0ms243×body80nan
10.0ms131×body80valid
4.0ms20×body320valid
1.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.5b

localize15.0ms

Local error

Found 2 expressions with local error:

2.0b
(log (+ N 1.0))
2.1b
(- (log (+ N 1.0)) (log N))

rewrite58.0ms

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:
28.0ms
(log (+ N 1.0))
25.0ms
(- (log (+ N 1.0)) (log N))

series228.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(log (+ N 1.0))
182.0ms
(- (log (+ N 1.0)) (log N))

simplify3.6s

Counts
71 → 71
Iterations

Useful iterations: done (3.6s)

IterNodesCost
01271052
1277855
2666705
32050614
done5000592

prune190.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.3b
(log (/ (+ N 1.0) N))

rewrite50.0ms

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:
35.0ms
(/ (+ N 1.0) N)
13.0ms
(log (/ (+ N 1.0) N))

series215.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (+ N 1.0) N)
150.0ms
(log (/ (+ N 1.0) N))

simplify4.0s

Counts
70 → 70
Iterations

Useful iterations: done (4.0s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune208.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 1 expressions with local error:

0.0b
(log1p (/ 1.0 N))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log1p-udef *-un-lft-identity log1p-expm1 add-cbrt-cube log1p-expm1-u add-log-exp
Counts
1 → 11
Calls
1 calls:
1.0ms
(log1p (/ 1.0 N))

series110.0ms

Counts
1 → 3
Calls
1 calls:
110.0ms
(log1p (/ 1.0 N))

simplify3.8s

Counts
14 → 14
Iterations

Useful iterations: done (3.8s)

IterNodesCost
039126
185120
2196102
3430102
4991100
5235298
done500092

prune54.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)
0.1b
(/ (- (/ 0.3333333333333333 N) 0.5) N)

rewrite342.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
38×*-un-lft-identity
34×times-frac
22×add-cube-cbrt
10×associate-/l*
difference-of-squares
add-exp-log associate-/r* add-cbrt-cube
associate-/l/ distribute-lft-out distribute-lft-out--
div-sub
pow1 cbrt-undiv expm1-log1p-u frac-2neg div-exp clear-num log1p-expm1-u div-inv add-log-exp
associate-+r- flip3-- flip3-+ flip-- flip-+
Counts
2 → 80
Calls
2 calls:
262.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)
77.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)

series130.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)
81.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)

simplify2.0s

Counts
86 → 86
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01511337
13491292
28931191
324091182
done50001170

prune236.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes13.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
066
194
done94

end0.0ms

sample3.2s

Algorithm
intervals
Results
951.0ms1720×body1280valid
540.0ms592×body320valid
472.0ms1262×body640valid
448.0ms7865×body80nan
324.0ms4152×body80valid
33.0ms274×body160valid