Details

Time bar (total: 6.2s)

sample82.0ms

Algorithm
intervals
Results
41.0ms117×body1280valid
20.0ms82×body640valid
8.0ms45×body320valid
3.0ms256×pre80true
1.0ms12×body160valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0915
11815
24315
38915
415515
523915
634515
753815
889015
9100315
10110515
11127115
12149615
13170715
14198315
15208015
16238915
17250515
18296015
done500015

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 63.0b

Counts
2 → 1

localize18.0ms

Local error

Found 3 expressions with local error:

0.3b
(* n (log n))
0.3b
(* (+ n 1.0) (log (+ n 1.0)))
4.6b
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
28×log-prod
25×*-un-lft-identity
19×add-sqr-sqrt
15×add-cube-cbrt
14×distribute-rgt-in distribute-lft-in
pow1
associate-*r* associate--l+
add-exp-log associate-*l* add-cbrt-cube
associate--r+
distribute-lft-out add-log-exp
pow-prod-down associate-*l/ prod-exp log-pow *-commutative cbrt-unprod unswap-sqr
sub-neg flip3-- flip3-+ diff-log flip-- flip-+
Counts
3 → 81
Calls
3 calls:
5.0ms
(* n (log n))
9.0ms
(* (+ n 1.0) (log (+ n 1.0)))
10.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

series35.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(* n (log n))
5.0ms
(* (+ n 1.0) (log (+ n 1.0)))
13.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

simplify460.0ms

Counts
90 → 90
Iterations

Useful iterations: done (452.0ms)

IterNodesCost
01821240
14441163
214851034
done50011025

prune147.0ms

Filtered
64 candidates to 90 candidates (-40.6%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New89190
Fresh000
Picked101
Done000
Total90191

Merged error: 0.0b

Counts
91 → 1

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0)))
0.0b
(- (- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0))) 1.0)
0.5b
(/ 0.16666666666666669 (* n n))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
53×add-log-exp
28×*-un-lft-identity
25×diff-log
12×sum-log
10×distribute-lft-out--
add-sqr-sqrt
add-exp-log frac-sub add-cbrt-cube
flip3-- associate--l+ flip-- distribute-lft-out
add-cube-cbrt
sub-neg flip3-+ frac-add flip-+
pow1 times-frac associate-/l*
cbrt-undiv div-exp associate--r+ associate--r- difference-of-squares
associate--l- frac-2neg prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
3 → 82
Calls
3 calls:
19.0ms
(- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0)))
23.0ms
(- (- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0))) 1.0)
5.0ms
(/ 0.16666666666666669 (* n n))

series19.0ms

Counts
3 → 9
Calls
3 calls:
6.0ms
(- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0)))
9.0ms
(- (- (+ (/ 0.5 n) (+ 1.0 0)) (- (/ 0.16666666666666669 (* n n)) (* (log n) 1.0))) 1.0)
3.0ms
(/ 0.16666666666666669 (* n n))

simplify686.0ms

Counts
91 → 91
Iterations

Useful iterations: 2 (220.0ms)

IterNodesCost
02222500
17242109
229001954
done50001954

prune128.0ms

Filtered
60 candidates to 91 candidates (-51.7%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New90191
Fresh000
Picked101
Done000
Total91192

Merged error: 0b

Counts
92 → 1

localize10.0ms

Local error

Found 1 expressions with local error:

0.5b
(/ 0.16666666666666669 (pow n 2))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
24×times-frac
18×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
12×unpow-prod-down
associate-/r*
add-exp-log
unpow2 sqr-pow
div-exp add-cbrt-cube associate-/l*
pow1 cbrt-undiv pow-to-exp frac-2neg pow-exp clear-num div-inv add-log-exp
Counts
1 → 49
Calls
1 calls:
5.0ms
(/ 0.16666666666666669 (pow n 2))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(/ 0.16666666666666669 (pow n 2))

simplify386.0ms

Counts
52 → 52
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
089534
1157485
2497412
31492412
done5000412

prune66.0ms

Filtered
32 candidates to 52 candidates (-62.5%)
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New52052
Fresh000
Picked011
Done000
Total52153

Merged error: 0b

Counts
53 → 1

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01214
11314
done1314

end0.0ms

sample2.5s

Algorithm
intervals
Results
1.3s3585×body1280valid
667.0ms2686×body640valid
219.0ms1282×body320valid
87.0ms8000×pre80true
49.0ms447×body160valid

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