Details

Time bar (total: 17.1s)

sample44.0ms

Algorithm
intervals
Results
12.0ms51×body1280valid
6.0ms284×body80nan
6.0ms141×body80valid
5.0ms33×body640valid
2.0ms23×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.1b

localize7.0ms

Local error

Found 2 expressions with local error:

2.7b
(- (log (+ N 1.0)) (log N))
3.4b
(log (+ N 1.0))

rewrite21.0ms

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:
14.0ms
(- (log (+ N 1.0)) (log N))
5.0ms
(log (+ N 1.0))

series139.0ms

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

simplify2.7s

Counts
71 → 71
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01271052
1277855
2668705
32055614
done5000592

prune126.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.8b
(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))

series127.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ (+ N 1.0) N)
81.0ms
(log (/ (+ N 1.0) N))

simplify2.7s

Counts
70 → 70
Iterations

Useful iterations: done (2.7s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune124.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(log1p (expm1 (log1p (/ 1.0 N))))
0.0b
(log1p (/ 1.0 N))
3.1b
(expm1 (log1p (/ 1.0 N)))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
log1p-udef log1p-expm1
expm1-log1p expm1-udef
Counts
3 → 33
Calls
3 calls:
0.0ms
(log1p (expm1 (log1p (/ 1.0 N))))
0.0ms
(log1p (/ 1.0 N))
0.0ms
(expm1 (log1p (/ 1.0 N)))

series427.0ms

Counts
3 → 9
Calls
3 calls:
175.0ms
(log1p (expm1 (log1p (/ 1.0 N))))
68.0ms
(log1p (/ 1.0 N))
185.0ms
(expm1 (log1p (/ 1.0 N)))

simplify5.5s

Counts
42 → 42
Iterations

Useful iterations: 4 (4.1s)

IterNodesCost
083446
1183380
2471313
31418310
44972292
done5000292

prune87.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (/ 1.0 N)) (cbrt (/ 1.0 N)))
0.5b
(cbrt (/ 1.0 N))
0.5b
(cbrt (/ 1.0 N))
0.5b
(cbrt (/ 1.0 N))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
103×cbrt-prod
81×add-sqr-sqrt
69×times-frac
57×add-cube-cbrt *-un-lft-identity
16×swap-sqr associate-*r* associate-*l*
11×pow1
pow1/3 unswap-sqr
cbrt-div div-inv
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 152
Calls
4 calls:
27.0ms
(* (cbrt (/ 1.0 N)) (cbrt (/ 1.0 N)))
2.0ms
(cbrt (/ 1.0 N))
2.0ms
(cbrt (/ 1.0 N))
2.0ms
(cbrt (/ 1.0 N))

series841.0ms

Counts
4 → 12
Calls
4 calls:
238.0ms
(* (cbrt (/ 1.0 N)) (cbrt (/ 1.0 N)))
201.0ms
(cbrt (/ 1.0 N))
206.0ms
(cbrt (/ 1.0 N))
195.0ms
(cbrt (/ 1.0 N))

simplify2.4s

Counts
164 → 164
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01461894
12251747
26011685
312371616
440081610
done50001571

prune408.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes11.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
066
done66

end0.0ms

sample1.3s

Algorithm
intervals
Results
420.0ms1727×body1280valid
187.0ms8130×body80nan
178.0ms1204×body640valid
168.0ms4160×body80valid
59.0ms618×body320valid
18.0ms291×body160valid