Details

Time bar (total: 15.8s)

sample66.0ms

Algorithm
intervals
Results
25.0ms66×body1280valid
11.0ms245×body80nan
10.0ms138×body80valid
5.0ms21×body640valid
4.0ms23×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done13
213
111
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(log1p N)
3.0b
(- (log1p N) (log N))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
13×add-sqr-sqrt
12×prod-diff
11×add-cube-cbrt
pow1
log-pow
expm1-log1p-u log-prod fma-neg associate--r+ add-log-exp
log1p-udef add-cbrt-cube diff-log add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out--
sub-neg flip3-- log1p-expm1 flip-- difference-of-squares
Counts
2 → 49
Calls
2 calls:
0.0ms
(log1p N)
21.0ms
(- (log1p N) (log N))

series82.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(log1p N)
59.0ms
(- (log1p N) (log N))

simplify2.0s

Counts
55 → 55
Iterations
IterNodes
done5000
31878
2605
1231
0101

prune225.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1 N) N)
2.9b
(log (/ (+ 1 N) N))

rewrite39.0ms

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:
31.0ms
(/ (+ 1 N) N)
7.0ms
(log (/ (+ 1 N) N))

series113.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (+ 1 N) N)
64.0ms
(log (/ (+ 1 N) N))

simplify2.2s

Counts
72 → 72
Iterations
IterNodes
done5064
32729
2602
1244
0106

prune249.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1 N))
0.1b
(/ (sqrt (+ 1 N)) N)
1.4b
(log (/ (sqrt (+ 1 N)) 1))
3.2b
(+ (log (/ (sqrt (+ 1 N)) 1)) (log (/ (sqrt (+ 1 N)) N)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
97×*-un-lft-identity
84×times-frac
75×log-prod
69×add-sqr-sqrt
64×add-cube-cbrt
56×sqrt-prod
25×associate-+l+ associate-+r+
18×distribute-lft-out
11×pow1
10×add-exp-log
associate-/l*
add-cbrt-cube log-pow
expm1-log1p-u fma-def sqrt-div insert-posit16 log1p-expm1-u div-inv add-log-exp
log-div associate-/r* flip3-+ div-exp rem-log-exp flip-+
hypot-def associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num associate-+r- sum-log frac-2neg sqrt-pow1 pow1/2 1-exp hypot-1-def associate-+l-
Counts
4 → 184
Calls
4 calls:
10.0ms
(sqrt (+ 1 N))
21.0ms
(/ (sqrt (+ 1 N)) N)
13.0ms
(log (/ (sqrt (+ 1 N)) 1))
25.0ms
(+ (log (/ (sqrt (+ 1 N)) 1)) (log (/ (sqrt (+ 1 N)) N)))

series435.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(sqrt (+ 1 N))
80.0ms
(/ (sqrt (+ 1 N)) N)
75.0ms
(log (/ (sqrt (+ 1 N)) 1))
255.0ms
(+ (log (/ (sqrt (+ 1 N)) 1)) (log (/ (sqrt (+ 1 N)) N)))

simplify2.5s

Counts
196 → 196
Iterations
IterNodes
done5000
34636
21403
1580
0269

prune894.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (+ 1 N)) (sqrt N))
1.4b
(log (sqrt (+ 1 N)))
3.0b
(log (/ (sqrt (+ 1 N)) (sqrt N)))
3.0b
(- (log (sqrt (+ 1 N))) (log (sqrt N)))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
114×*-un-lft-identity
108×sqrt-prod
84×times-frac
82×add-sqr-sqrt
80×add-cube-cbrt
66×log-prod
51×log-pow
39×pow1
36×prod-diff
16×sqrt-pow1 pow1/2
15×distribute-lft-out
10×add-exp-log
associate--l+ associate-/l*
associate-/r* add-cbrt-cube fma-neg sqrt-div associate--r+ distribute-lft-out--
log-div
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
flip3-+ rem-log-exp flip-+
associate--l- div-exp div-inv associate-/l/
cbrt-undiv sqrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 235
Calls
4 calls:
26.0ms
(/ (sqrt (+ 1 N)) (sqrt N))
7.0ms
(log (sqrt (+ 1 N)))
9.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
25.0ms
(- (log (sqrt (+ 1 N))) (log (sqrt N)))

series639.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(/ (sqrt (+ 1 N)) (sqrt N))
87.0ms
(log (sqrt (+ 1 N)))
151.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
301.0ms
(- (log (sqrt (+ 1 N))) (log (sqrt N)))

simplify1.5s

Counts
247 → 247
Iterations
IterNodes
done5000
21599
1691
0326

prune981.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

regimes61.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.4b

bsearch32.0ms

Steps
ItersRangePoint
6
2842.495256040047
21179.114160721674
5400.000739830978

simplify6.0ms

Iterations
IterNodes
done27
127
022

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.1s1755×body1280valid
821.0ms4070×body80valid
622.0ms7851×body80nan
487.0ms1228×body640valid
201.0ms642×body320valid
47.0ms305×body160valid