Details

Time bar (total: 11.9s)

sample172.0ms

Algorithm
intervals
Results
75.0ms36×body2560valid
54.0ms80×body1280valid
16.0ms52×body640valid
6.0ms34×body320valid
4.0ms77×body80valid
2.0ms55×body80nan
2.0ms15×body160valid

simplify44.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0257
1597
21417
33467
411717
550017

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 47.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.5b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.1b
(pow (+ 1.0 (/ i n)) n)
10.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite88.0ms

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:
33.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
13.0ms
(- (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:
378.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
260.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
215.0ms
(pow (+ 1.0 (/ i n)) n)
351.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify67.0ms

Algorithm
egg-herbie
Counts
293 → 293
Iterations

Useful iterations: 1 (30.0ms)

IterNodesCost
012263285
150023166

prune813.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 21.5b

localize17.0ms

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)))
12.8b
(* (pow i 2) (log 1.0))
19.5b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite53.0ms

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))
19.0ms
(* 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))

series575.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* 0.5 (pow i 2))
208.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
143.0ms
(* (pow i 2) (log 1.0))
199.0ms
(/ (- (+ (* 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 (23.0ms)

IterNodesCost
09073537
148563275
250013275

prune733.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 11.0b

localize17.0ms

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)
12.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
12.8b
(* (pow i 2) (log 1.0))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
25×add-exp-log
21×add-cube-cbrt *-un-lft-identity
19×add-cbrt-cube
15×associate-*r*
12×associate-*l*
11×prod-exp
10×pow1
times-frac
unpow-prod-down unswap-sqr
cbrt-unprod
log-prod
unpow2 add-log-exp sqr-pow
distribute-rgt-in distribute-lft-in pow-prod-down associate-/r* *-commutative associate-/l*
cbrt-undiv pow-to-exp div-exp pow-exp associate-/l/
flip3-- frac-2neg div-sub associate-*r/ associate-*l/ clear-num log-pow flip-- div-inv
Counts
4 → 112
Calls
4 calls:
10.0ms
(* 0.5 (pow i 2))
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))

series533.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* 0.5 (pow i 2))
214.0ms
(* (* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)) n)
144.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
142.0ms
(* (pow i 2) (log 1.0))

simplify81.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
05251450
126211228
250011228

prune381.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 11.0b

localize23.0ms

Local error

Found 4 expressions with local error:

12.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
12.8b
(* (pow i 2) (log 1.0))
12.8b
(* (pow i 2) (log 1.0))
12.8b
(* (pow i 2) (log 1.0))

rewrite40.0ms

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:
12.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.0ms
(* (pow i 2) (log 1.0))
6.0ms
(* (pow i 2) (log 1.0))
7.0ms
(* (pow i 2) (log 1.0))

series583.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
148.0ms
(* (pow i 2) (log 1.0))
142.0ms
(* (pow i 2) (log 1.0))
150.0ms
(* (pow i 2) (log 1.0))

simplify54.0ms

Algorithm
egg-herbie
Counts
144 → 144
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
02991229
113591100
250021086

prune561.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 11.0b

regimes187.0ms

Accuracy

63.6% (6.5b remaining)

Error of 17.6b against oracle of 11.1b and baseline of 29.0b

bsearch239.0ms

Steps
ItersRangePoint
7
2.8959938237950545e+203
1.5617903206865062e+205
1.5471622621860444e+204
8
4.036504835668646e-26
2.5947478503916157e-23
2.5704520336039343e-23
7
-2.2963680336716634e-10
-5.6669034693225635e-12
-2.2717441078324636e-10

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05742
15742

end0.0ms

sample5.2s

Algorithm
intervals
Results
2.1s2891×body1280valid
1.9s987×body2560valid
544.0ms1745×body640valid
161.0ms918×body320valid
128.0ms2492×body80valid
82.0ms2140×body80nan
47.0ms437×body160valid
30.0msbody5120valid