Details

Time bar (total: 17.7s)

sample126.0ms

Algorithm
intervals
Results
56.0ms66×body1280valid
19.0ms245×body80nan
17.0ms138×body80valid
10.0ms21×body640valid
7.0ms23×body320valid
2.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations
IterNodes
done13
213
111
06

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize20.0ms

Local error

Found 2 expressions with local error:

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

rewrite12.0ms

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)
11.0ms
(- (log1p N) (log N))

series92.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(log1p N)
62.0ms
(- (log1p N) (log N))

simplify2.2s

Counts
55 → 55
Iterations
IterNodes
done5001
31723
2580
1231
0101

prune153.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite38.0ms

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:
27.0ms
(/ (+ 1 N) N)
5.0ms
(log (/ (+ 1 N) N))

series165.0ms

Counts
2 → 6
Calls
2 calls:
90.0ms
(/ (+ 1 N) N)
74.0ms
(log (/ (+ 1 N) N))

simplify2.0s

Counts
72 → 72
Iterations
IterNodes
done5052
32586
2583
1244
0106

prune202.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

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)))
3.2b
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
45×add-sqr-sqrt
42×times-frac
40×add-cube-cbrt sqrt-prod
39×log-prod
25×associate-+r+
14×distribute-lft-out
13×pow1
10×log-pow
sqrt-div
associate-+l+ add-exp-log associate-/l*
fma-def add-cbrt-cube
log-div flip3-+ flip-+
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
associate-/r* sqrt-pow1 pow1/2
associate-+l- hypot-def div-inv associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num associate-+r- sum-log frac-2neg div-exp rem-log-exp hypot-1-def
Counts
4 → 152
Calls
4 calls:
10.0ms
(sqrt (+ 1 N))
24.0ms
(/ (sqrt (+ 1 N)) N)
7.0ms
(log (sqrt (+ 1 N)))
20.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(sqrt (+ 1 N))
70.0ms
(/ (sqrt (+ 1 N)) N)
68.0ms
(log (sqrt (+ 1 N)))
230.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))

simplify3.1s

Counts
164 → 164
Iterations
IterNodes
done5000
34875
21234
1479
0223

prune658.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize48.0ms

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)))

rewrite64.0ms

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:
20.0ms
(/ (sqrt (+ 1 N)) (sqrt N))
8.0ms
(log (sqrt (+ 1 N)))
8.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
24.0ms
(- (log (sqrt (+ 1 N))) (log (sqrt N)))

series645.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(/ (sqrt (+ 1 N)) (sqrt N))
83.0ms
(log (sqrt (+ 1 N)))
160.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
304.0ms
(- (log (sqrt (+ 1 N))) (log (sqrt N)))

simplify3.1s

Counts
247 → 247
Iterations
IterNodes
done5000
34818
21519
1691
0326

prune1.0s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes52.0ms

Accuracy

99.9% (0.0b remaining)

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

bsearch29.0ms

Steps
ItersRangePoint
6
2842.495256040047
21179.114160721674
4842.291926013775

simplify3.0ms

Iterations
IterNodes
done22
122
018

end0.0ms

sample3.4s

Algorithm
intervals
Results
996.0ms1755×body1280valid
913.0ms7851×body80nan
481.0ms4070×body80valid
481.0ms1228×body640valid
189.0ms642×body320valid
47.0ms305×body160valid