Details

Time bar (total: 6.7s)

sample180.0ms

Algorithm
intervals
Results
75.0ms95×body1280valid
51.0ms24×body2560valid
23.0ms63×body640valid
7.0ms31×body320valid
5.0ms70×body80valid
3.0ms67×body80nan
2.0ms13×body160valid

simplify42.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0257
1597
21417
33467
411717
550017

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 48.7b

Counts
2 → 1

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.1b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.1b
(pow (+ 1.0 (/ i n)) n)
8.2b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
320×times-frac
289×add-sqr-sqrt
198×*-un-lft-identity
140×add-cube-cbrt
96×associate-*r*
84×difference-of-squares
32×unpow-prod-down
29×sqr-pow
28×distribute-lft-out--
19×add-exp-log
18×add-cbrt-cube
17×div-inv
13×associate-/r*
pow1 associate-/l*
cbrt-undiv div-exp add-log-exp
pow-unpow associate-*l* prod-exp cbrt-unprod unswap-sqr
flip3-- associate-/r/ flip-- associate-/l/
pow-to-exp sub-neg pow-pow frac-2neg diff-log div-sub associate-*r/ pow-prod-down pow-exp clear-num *-commutative distribute-lft-out
Counts
4 → 281
Calls
4 calls:
34.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
9.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.0ms
(pow (+ 1.0 (/ i n)) n)
16.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.2s

Counts
4 → 12
Calls
4 calls:
366.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
252.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
219.0ms
(pow (+ 1.0 (/ i n)) n)
366.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify63.0ms

Algorithm
egg-herbie
Counts
293 → 293
Iterations

Useful iterations: 1 (31.0ms)

IterNodesCost
012263285
150023166

prune709.0ms

Filtered
293 candidates to 223 candidates (76.1%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New2849293
Fresh000
Picked101
Done000
Total2859294

Merged error: 22.9b

Counts
294 → 9

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow i 2))
0.1b
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
11.1b
(* (pow i 2) (log 1.0))
15.9b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
111×add-sqr-sqrt
90×add-cube-cbrt *-un-lft-identity
56×associate-*r*
28×add-exp-log
22×add-cbrt-cube
14×associate-*l*
13×associate-/r*
11×unswap-sqr
prod-exp div-inv
unpow-prod-down
pow1
cbrt-undiv log-prod div-exp
cbrt-unprod
unpow2 add-log-exp sqr-pow
distribute-rgt-in distribute-lft-in *-commutative associate-/l*
pow-to-exp pow-exp associate-/r/ associate-/l/
flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num log-pow flip--
Counts
4 → 200
Calls
4 calls:
5.0ms
(* 0.5 (pow i 2))
18.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
6.0ms
(* (pow i 2) (log 1.0))
13.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

series563.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* 0.5 (pow i 2))
204.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
138.0ms
(* (pow i 2) (log 1.0))
191.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

simplify146.0ms

Algorithm
egg-herbie
Counts
212 → 212
Iterations

Useful iterations: 1 (24.0ms)

IterNodesCost
09073537
148563275
250013275

prune697.0ms

Filtered
212 candidates to 157 candidates (74.1%)
Pruning

24 alts after pruning (24 fresh and 0 done)

PrunedKeptTotal
New19616212
Fresh088
Picked101
Done000
Total19724221

Merged error: 14.4b

Counts
221 → 24

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n)
0.1b
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
10.5b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.1b
(* (pow i 2) (log 1.0))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×associate-*l*
22×add-cbrt-cube
19×times-frac
12×pow1
10×prod-exp
associate-*r* cbrt-unprod
log-prod unswap-sqr
unpow-prod-down pow-prod-down add-log-exp
cbrt-undiv distribute-rgt-in distribute-lft-in div-exp associate-/r* *-commutative associate-/l*
associate-*l/ div-inv associate-/l/ unpow2 sqr-pow
pow-to-exp flip3-- frac-2neg div-sub associate-*r/ pow-exp clear-num log-pow flip--
Counts
4 → 117
Calls
4 calls:
11.0ms
(* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n)
11.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
11.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
6.0ms
(* (pow i 2) (log 1.0))

series938.0ms

Counts
4 → 12
Calls
4 calls:
228.0ms
(* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n)
253.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
319.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
139.0ms
(* (pow i 2) (log 1.0))

simplify84.0ms

Algorithm
egg-herbie
Counts
129 → 129
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
05291979
124351684
250011679

prune367.0ms

Filtered
129 candidates to 87 candidates (67.4%)
Pruning

23 alts after pruning (22 fresh and 1 done)

PrunedKeptTotal
New1263129
Fresh41923
Picked011
Done000
Total13023153

Merged error: 14.4b

Counts
153 → 23

localize24.0ms

Local error

Found 4 expressions with local error:

10.5b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.1b
(* (pow i 2) (log 1.0))
11.1b
(* (pow i 2) (log 1.0))
11.1b
(* (pow i 2) (log 1.0))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
27×add-cube-cbrt *-un-lft-identity
24×associate-*l*
21×add-exp-log
18×log-prod
12×unpow-prod-down associate-*r* add-cbrt-cube unswap-sqr
distribute-rgt-in distribute-lft-in times-frac prod-exp
pow1
unpow2 sqr-pow
add-log-exp
pow-to-exp pow-exp associate-/r* log-pow *-commutative cbrt-unprod associate-/l*
associate-/l/
cbrt-undiv flip3-- frac-2neg div-sub div-exp clear-num flip-- div-inv
Counts
4 → 132
Calls
4 calls:
11.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
6.0ms
(* (pow i 2) (log 1.0))
6.0ms
(* (pow i 2) (log 1.0))
6.0ms
(* (pow i 2) (log 1.0))

series576.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
140.0ms
(* (pow i 2) (log 1.0))
135.0ms
(* (pow i 2) (log 1.0))
169.0ms
(* (pow i 2) (log 1.0))

simplify58.0ms

Algorithm
egg-herbie
Counts
144 → 144
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
02991229
113591100
250021086

prune471.0ms

Filtered
144 candidates to 93 candidates (64.6%)
Pruning

23 alts after pruning (21 fresh and 2 done)

PrunedKeptTotal
New1440144
Fresh02121
Picked011
Done011
Total14423167

Merged error: 14.4b

Counts
167 → 23

regimes332.0ms

bsearch4.0ms

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