Details

Time bar (total: 17.4s)

sample157.0ms

Algorithm
intervals
Results
72.0ms38×body2560valid
50.0ms67×body1280valid
11.0ms43×body640valid
5.0ms32×body320valid
4.0ms102×body80valid
2.0ms74×body80nan
1.0ms15×body160valid

simplify39.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0257
1597
21417
33467
411717
550017

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.9b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.6b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.3b
(pow (+ 1.0 (/ i n)) n)
12.1b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite538.0ms

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:
219.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
101.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
11.0ms
(pow (+ 1.0 (/ i n)) n)
192.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.2s

Counts
4 → 12
Calls
4 calls:
426.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
238.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
204.0ms
(pow (+ 1.0 (/ i n)) n)
336.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify63.0ms

Algorithm
egg-herbie
Counts
293 → 293
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
012263285
150023166

prune767.0ms

Filtered
293 candidates to 223 candidates (76.1%)
Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 19.5b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n)))
0.1b
(/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n))
1.6b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.3b
(pow (+ 1.0 (/ i n)) n)

rewrite711.0ms

Algorithm
rewrite-expression-head
Rules
1689×times-frac
1097×add-sqr-sqrt
830×*-un-lft-identity
662×add-cube-cbrt
330×associate-*r*
246×difference-of-squares
86×unpow-prod-down
83×sqr-pow
82×distribute-lft-out--
80×div-inv
59×add-exp-log
34×add-cbrt-cube
32×div-exp
25×associate-/l*
16×cbrt-undiv
13×associate-/r*
prod-exp
pow1 unswap-sqr
add-log-exp
cbrt-unprod
rec-exp 1-exp
pow-unpow associate-*l*
div-sub associate-/r/
pow-to-exp sub-neg flip3-- pow-pow frac-2neg diff-log associate-*r/ pow-prod-down pow-exp clear-num *-commutative flip-- associate-/l/ distribute-lft-out
Counts
4 → 786
Calls
4 calls:
347.0ms
(* 100.0 (/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n)))
182.0ms
(/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n))
102.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
11.0ms
(pow (+ 1.0 (/ i n)) n)

series1.2s

Counts
4 → 12
Calls
4 calls:
361.0ms
(* 100.0 (/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n)))
366.0ms
(/ (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) (/ 1 n))
282.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
219.0ms
(pow (+ 1.0 (/ i n)) n)

simplify155.0ms

Algorithm
egg-herbie
Counts
798 → 798
Iterations

Useful iterations: 1 (52.0ms)

IterNodesCost
0313211388
1500110920

prune1.9s

Filtered
798 candidates to 504 candidates (63.2%)
Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 7.0b

localize17.0ms

Local error

Found 4 expressions with local error:

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) (/ 1 n)))
0.2b
(/ (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) (/ 1 n))
11.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.9b
(* (pow i 2) (log 1.0))

rewrite442.0ms

Algorithm
rewrite-expression-head
Rules
846×times-frac
428×add-sqr-sqrt
399×*-un-lft-identity
397×add-cube-cbrt
178×associate-*r*
65×add-exp-log
57×div-inv
38×add-cbrt-cube
33×div-exp
17×cbrt-undiv
16×associate-/r* associate-/l*
12×prod-exp
11×associate-*l* unswap-sqr
pow1
log-prod cbrt-unprod
unpow-prod-down rec-exp 1-exp add-log-exp
distribute-rgt-in distribute-lft-in div-sub associate-/l/
frac-2neg clear-num associate-/r/ *-commutative unpow2 sqr-pow
pow-to-exp flip3-- associate-*r/ pow-prod-down pow-exp log-pow flip--
Counts
4 → 492
Calls
4 calls:
170.0ms
(* 100.0 (/ (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) (/ 1 n)))
113.0ms
(/ (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) (/ 1 n))
121.0ms
(/ (- (+ (* 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))

series669.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(* 100.0 (/ (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) (/ 1 n)))
185.0ms
(/ (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) (/ 1 n))
135.0ms
(/ (- (+ (* 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))

simplify146.0ms

Algorithm
egg-herbie
Counts
504 → 504
Iterations

Useful iterations: 1 (48.0ms)

IterNodesCost
0211711875
1500111170

prune1.6s

Filtered
504 candidates to 332 candidates (65.9%)
Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 7.0b

localize18.0ms

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
(* (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n) 100.0)
11.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.9b
(* (pow i 2) (log 1.0))

rewrite407.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×add-cube-cbrt *-un-lft-identity
25×add-exp-log
22×associate-*l* add-cbrt-cube
19×times-frac
12×pow1
10×associate-*r* prod-exp
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-*l/ associate-/r* *-commutative associate-/l*
div-inv associate-/l/ unpow2 sqr-pow
pow-to-exp flip3-- frac-2neg div-sub pow-exp clear-num log-pow flip--
Counts
4 → 117
Calls
4 calls:
135.0ms
(* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n)
139.0ms
(* (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n) 100.0)
123.0ms
(/ (- (+ (* 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))

series704.0ms

Counts
4 → 12
Calls
4 calls:
211.0ms
(* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n)
216.0ms
(* (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n) 100.0)
133.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
143.0ms
(* (pow i 2) (log 1.0))

simplify74.0ms

Algorithm
egg-herbie
Counts
129 → 129
Iterations

Useful iterations: 2 (58.0ms)

IterNodesCost
05301973
123891671
250011667

prune382.0ms

Filtered
129 candidates to 87 candidates (67.4%)
Pruning

17 alts after pruning (15 fresh and 2 done)

Merged error: 7.0b

regimes413.0ms

Accuracy

51.4% (10.8b remaining)

Error of 21.7b against oracle of 10.9b and baseline of 33.2b

bsearch596.0ms

Steps
ItersRangePoint
8
4.857585983193909e-119
1.2526148682615025e-114
6.931508871390016e-118
9
-64698196.670160554
-0.37949367736095085
-1.4720208733212128
7
-1117730599.3323822
-64698196.670160554
-1052610260.2415111
8
-1.6575157961979843e+24
-2.0257957255525243e+20
-2.7376334279782315e+20
5
-1.155399601105498e+98
-5.129643794534772e+97
-1.0664791814828006e+98
10
-7.67426779176068e+146
-2.077318348352935e+129
-8.254710623414133e+133

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
08797
18797

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.1s1000×body2560valid
1.8s2443×body1280valid
465.0ms1551×body640valid
146.0ms883×body320valid
137.0ms3144×body80valid
77.0ms2296×body80nan
47.0ms445×body160valid
33.0msbody5120valid