Details

Time bar (total: 11.1s)

sample56.0ms

Algorithm
intervals
Results
16.0ms56×body1280valid
9.0ms288×body80nan
8.0ms142×body80valid
6.0ms31×body640valid
3.0ms21×body320valid
0.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.2b

localize10.0ms

Local error

Found 2 expressions with local error:

2.8b
(- (log (+ 1.0 N)) (log N))
3.2b
(log (+ 1.0 N))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×add-sqr-sqrt pow1 prod-diff
14×log-pow add-cube-cbrt
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:
12.0ms
(- (log (+ 1.0 N)) (log N))
4.0ms
(log (+ 1.0 N))

series235.0ms

Counts
2 → 6
Calls
2 calls:
169.0ms
(- (log (+ 1.0 N)) (log N))
66.0ms
(log (+ 1.0 N))

simplify1.0s

Counts
71 → 71
Iterations
IterNodes
done5000
21091
1287
0126

prune241.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
3.3b
(log (/ (+ N 1.0) N))

rewrite25.0ms

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 add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 64
Calls
2 calls:
17.0ms
(/ (+ N 1.0) N)
5.0ms
(log (/ (+ N 1.0) N))

series195.0ms

Counts
2 → 6
Calls
2 calls:
77.0ms
(/ (+ N 1.0) N)
117.0ms
(log (/ (+ N 1.0) N))

simplify642.0ms

Counts
70 → 70
Iterations
IterNodes
done5001
21063
1252
0112

prune277.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 4 expressions with local error:

2.8b
(- (pow (log (+ N 1.0)) 3) (pow (log N) 3))
3.2b
(log (+ N 1.0))
3.2b
(log (+ N 1.0))
3.2b
(log (+ N 1.0))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
196×prod-diff
140×unpow-prod-down cube-prod
118×add-sqr-sqrt *-un-lft-identity
94×add-cube-cbrt
81×pow1
77×log-pow
37×sqr-pow
29×cube-mult unpow3
17×distribute-lft-out--
16×difference-of-squares
14×fma-neg
12×log-prod
add-exp-log
log-div add-log-exp
expm1-log1p-u add-cbrt-cube log1p-expm1-u
flip3-+ rem-log-exp flip-+ distribute-lft-out
difference-cubes sub-neg flip3-- diff-log flip--
Counts
4 → 309
Calls
4 calls:
50.0ms
(- (pow (log (+ N 1.0)) 3) (pow (log N) 3))
4.0ms
(log (+ N 1.0))
4.0ms
(log (+ N 1.0))
9.0ms
(log (+ N 1.0))

series436.0ms

Counts
4 → 12
Calls
4 calls:
281.0ms
(- (pow (log (+ N 1.0)) 3) (pow (log N) 3))
46.0ms
(log (+ N 1.0))
60.0ms
(log (+ N 1.0))
48.0ms
(log (+ N 1.0))

simplify2.6s

Counts
321 → 321
Iterations
IterNodes
done5000
23783
1827
0323

prune733.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 2 expressions with local error:

0.1b
(* (/ (/ 1 N) N) (- (/ 0.3333333333333333 N) 0.5))
0.1b
(/ (/ 1 N) N)

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
201×times-frac
166×add-sqr-sqrt
151×*-un-lft-identity
148×add-cube-cbrt
78×prod-diff
43×associate-*l*
41×distribute-rgt-in distribute-lft-in
26×add-exp-log
16×add-cbrt-cube div-inv
13×associate-/l*
12×div-exp
pow1
cbrt-undiv associate-*r*
prod-exp unswap-sqr
associate-/r* cbrt-unprod
expm1-log1p-u frac-times rec-exp sub-neg flip3-- 1-exp associate-*r/ log1p-expm1-u flip-- add-log-exp difference-of-squares pow-div
clear-num frac-2neg pow-prod-down associate-*l/ *-commutative pow-flip distribute-lft-out-- inv-pow associate-/l/
Counts
2 → 236
Calls
2 calls:
103.0ms
(* (/ (/ 1 N) N) (- (/ 0.3333333333333333 N) 0.5))
9.0ms
(/ (/ 1 N) N)

series145.0ms

Counts
2 → 6
Calls
2 calls:
125.0ms
(* (/ (/ 1 N) N) (- (/ 0.3333333333333333 N) 0.5))
20.0ms
(/ (/ 1 N) N)

simplify775.0ms

Counts
242 → 242
Iterations
IterNodes
done5001
11195
0399

prune623.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes53.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.5b

bsearch38.0ms

Steps
ItersRangePoint
8
5.1212688054922095
43837.056983701754
7426.10510392418

simplify4.0ms

Iterations
IterNodes
done23
123
018

end0.0ms

sample2.7s

Algorithm
intervals
Results
731.0ms1688×body1280valid
535.0ms7906×body80nan
411.0ms4067×body80valid
404.0ms1295×body640valid
122.0ms668×body320valid
37.0ms282×body160valid