Details

Time bar (total: 15.8s)

sample46.0ms

Algorithm
intervals
Results
13.0ms55×body1280valid
8.0ms237×body80nan
6.0ms45×body640valid
5.0ms133×body80valid
1.0ms11×body320valid
1.0ms12×body160valid

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: 28.4b

localize7.0ms

Local error

Found 2 expressions with local error:

2.6b
(- (log (+ N 1.0)) (log N))
3.9b
(log (+ N 1.0))

rewrite23.0ms

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

series136.0ms

Counts
2 → 6
Calls
2 calls:
91.0ms
(- (log (+ N 1.0)) (log N))
45.0ms
(log (+ N 1.0))

simplify2.6s

Counts
71 → 71
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01271052
1277855
2668705
32055614
done5000592

prune126.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.4b
(log (/ (+ N 1.0) N))

rewrite31.0ms

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:
22.0ms
(/ (+ N 1.0) N)
7.0ms
(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))

simplify2.7s

Counts
70 → 70
Iterations

Useful iterations: done (2.7s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune132.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(log1p (expm1 (log1p (/ 1.0 N))))
0.0b
(log1p (/ 1.0 N))
2.8b
(expm1 (log1p (/ 1.0 N)))

rewrite2.0ms

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))))
1.0ms
(log1p (/ 1.0 N))
0.0ms
(expm1 (log1p (/ 1.0 N)))

series440.0ms

Counts
3 → 9
Calls
3 calls:
181.0ms
(log1p (expm1 (log1p (/ 1.0 N))))
68.0ms
(log1p (/ 1.0 N))
190.0ms
(expm1 (log1p (/ 1.0 N)))

simplify5.4s

Counts
42 → 42
Iterations

Useful iterations: 4 (4.0s)

IterNodesCost
083446
1183380
2471313
31418310
44972292
done5000292

prune84.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize6.0ms

Local error

Found 4 expressions with local error:

0.0b
(log1p (* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N))))
0.1b
(sqrt (/ 1.0 N))
0.1b
(sqrt (/ 1.0 N))
0.5b
(* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
92×sqrt-prod
84×add-sqr-sqrt
62×times-frac
50×add-cube-cbrt *-un-lft-identity
21×pow1
18×swap-sqr
16×associate-*r* associate-*l*
10×sqrt-pow1 pow1/2
unswap-sqr
add-exp-log sqrt-div add-cbrt-cube div-inv
expm1-log1p-u pow-prod-up
rem-sqrt-square log1p-expm1-u add-log-exp
pow-prod-down pow-sqr
pow2 frac-times log1p-udef pow-plus sqrt-unprod log1p-expm1 associate-*r/ associate-*l/ prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 154
Calls
4 calls:
0.0ms
(log1p (* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N))))
4.0ms
(sqrt (/ 1.0 N))
4.0ms
(sqrt (/ 1.0 N))
36.0ms
(* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N)))

series305.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(log1p (* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N))))
58.0ms
(sqrt (/ 1.0 N))
54.0ms
(sqrt (/ 1.0 N))
61.0ms
(* (sqrt (/ 1.0 N)) (sqrt (/ 1.0 N)))

simplify2.0s

Counts
166 → 166
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
02102088
14001425
212311319
338451272
done50001272

prune330.0ms

Pruning

3 alts after pruning (1 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

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
066
done66

end0.0ms

sample1.3s

Algorithm
intervals
Results
406.0ms1719×body1280valid
186.0ms7989×body80nan
176.0ms1188×body640valid
166.0ms4135×body80valid
63.0ms647×body320valid
18.0ms311×body160valid