Details

Time bar (total: 28.8s)

sample113.0ms

Algorithm
intervals
Results
35.0ms52×body1280valid
21.0ms48×body640valid
20.0ms271×body80nan
15.0ms132×body80valid
4.0ms15×body320valid
2.0msbody160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
311
211
19
06

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.0b

localize44.0ms

Local error

Found 1 expressions with local error:

2.6b
(- (log1p N) (log N))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×add-sqr-sqrt prod-diff
10×add-cube-cbrt
pow1
log-pow
log-prod fma-neg associate--r+
diff-log distribute-lft-out-- add-log-exp
expm1-log1p-u log1p-udef sub-neg flip3-- add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u flip-- difference-of-squares
Counts
1 → 37
Calls
1 calls:
10.0ms
(- (log1p N) (log N))

series60.0ms

Counts
1 → 3
Calls
1 calls:
60.0ms
(- (log1p N) (log N))

simplify1.5s

Counts
40 → 40
Iterations
IterNodes
42678
3962
2372
1184
083

prune330.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1 N) N)
2.5b
(log (/ (+ 1 N) N))

rewrite20.0ms

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 insert-posit16 log1p-expm1-u div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 66
Calls
2 calls:
14.0ms
(/ (+ 1 N) N)
4.0ms
(log (/ (+ 1 N) N))

series118.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (+ 1 N) N)
69.0ms
(log (/ (+ 1 N) N))

simplify4.2s

Counts
72 → 72
Iterations
IterNodes
45667
31564
2510
1231
0106

prune555.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (/ (+ 1 N) (sqrt N)) (sqrt N))
0.4b
(/ (+ 1 N) (sqrt N))
15.6b
(log (/ (/ (+ 1 N) (sqrt N)) (sqrt N)))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
672×times-frac
500×*-un-lft-identity
342×sqrt-prod
330×add-sqr-sqrt add-cube-cbrt
172×log-prod
85×distribute-lft-out
32×associate-/l*
16×add-exp-log div-inv
12×associate-/r*
10×add-cbrt-cube
div-exp
pow1 cbrt-undiv
expm1-log1p-u rem-log-exp insert-posit16 log1p-expm1-u add-log-exp associate-/l/
clear-num frac-2neg
log-div flip3-+ log-pow flip-+
Counts
3 → 458
Calls
3 calls:
38.0ms
(/ (/ (+ 1 N) (sqrt N)) (sqrt N))
26.0ms
(/ (+ 1 N) (sqrt N))
7.0ms
(log (/ (/ (+ 1 N) (sqrt N)) (sqrt N)))

series273.0ms

Counts
3 → 9
Calls
3 calls:
77.0ms
(/ (/ (+ 1 N) (sqrt N)) (sqrt N))
91.0ms
(/ (+ 1 N) (sqrt N))
105.0ms
(log (/ (/ (+ 1 N) (sqrt N)) (sqrt N)))

simplify1.1s

Counts
467 → 467
Iterations
IterNodes
22255
11044
0464

prune4.8s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))
0.4b
(/ (+ 1 N) (sqrt N))
0.4b
(/ (+ 1 N) (sqrt N))
3.0b
(+ (log (/ (sqrt (/ (+ 1 N) (sqrt N))) 1)) (log (/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
897×times-frac
859×sqrt-prod
678×*-un-lft-identity
454×add-sqr-sqrt add-cube-cbrt
287×log-prod
190×associate-+r+
114×distribute-lft-out
97×associate-+l+
39×associate-/l*
21×div-inv
18×associate-/r*
10×add-cbrt-cube add-exp-log
pow1
log-pow associate-/l/
expm1-log1p-u fma-def insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+
log-div
+-commutative sqrt-undiv associate-+r- sum-log sqrt-div associate-+l-
Counts
4 → 653
Calls
4 calls:
17.0ms
(/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))
23.0ms
(/ (+ 1 N) (sqrt N))
27.0ms
(/ (+ 1 N) (sqrt N))
27.0ms
(+ (log (/ (sqrt (/ (+ 1 N) (sqrt N))) 1)) (log (/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))))

series490.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))
66.0ms
(/ (+ 1 N) (sqrt N))
63.0ms
(/ (+ 1 N) (sqrt N))
240.0ms
(+ (log (/ (sqrt (/ (+ 1 N) (sqrt N))) 1)) (log (/ (sqrt (/ (+ 1 N) (sqrt N))) (sqrt N))))

simplify1.7s

Counts
665 → 665
Iterations
IterNodes
22794
11436
0756

prune9.4s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes45.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.3b

bsearch61.0ms

Steps
ItersRangePoint
8
41.60074012902226
43862.50504651285
7250.408229147694

simplify5.0ms

Iterations
IterNodes
220
120
018

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.6s1752×body1280valid
693.0ms8041×body80nan
499.0ms1281×body640valid
402.0ms4105×body80valid
159.0ms591×body320valid
49.0ms271×body160valid