Details

Time bar (total: 24.2s)

sample297.0ms

Algorithm
intervals
Results
121.0ms35×body2560valid
105.0ms77×body1280valid
23.0ms43×body640valid
9.0ms31×body320valid
7.0ms85×body80valid
4.0ms63×body80nan
3.0ms16×body160valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
12515
25915
314015
434715
5151415
done500015

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 45.6b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.4b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
8.5b
(pow (+ 1.0 (/ i n)) n)
11.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.3s

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:
545.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
200.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
19.0ms
(pow (+ 1.0 (/ i n)) n)
535.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.7s

Counts
4 → 12
Calls
4 calls:
500.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
357.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
304.0ms
(pow (+ 1.0 (/ i n)) n)
522.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify921.0ms

Counts
293 → 293
Iterations

Useful iterations: done (908.0ms)

IterNodesCost
04376469
114166211
done50005919

prune1.1s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 23.4b

localize20.0ms

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)))
12.1b
(* (pow i 2) (log 1.0))
20.1b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite875.0ms

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:
21.0ms
(* 0.5 (pow i 2))
377.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
27.0ms
(* (pow i 2) (log 1.0))
433.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

series1.1s

Counts
4 → 12
Calls
4 calls:
27.0ms
(* 0.5 (pow i 2))
288.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
549.0ms
(* (pow i 2) (log 1.0))
247.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

simplify606.0ms

Counts
212 → 212
Iterations

Useful iterations: done (597.0ms)

IterNodesCost
03456722
110166538
done50006030

prune1.1s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 11.7b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow i 2))
2.8b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
12.1b
(* (pow i 2) (log 1.0))
12.7b
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

rewrite712.0ms

Algorithm
rewrite-expression-head
Rules
164×times-frac
136×add-sqr-sqrt
98×*-un-lft-identity
96×add-cube-cbrt
58×add-exp-log
56×associate-*r*
34×add-cbrt-cube
24×associate-*l*
23×div-exp
16×prod-exp unswap-sqr
13×associate-/r*
12×cbrt-undiv
10×div-inv
unpow-prod-down cbrt-unprod
pow1
log-prod
unpow2 add-log-exp sqr-pow
distribute-rgt-in rec-exp distribute-lft-in 1-exp *-commutative associate-/l*
pow-to-exp pow-exp associate-/r/ associate-/l/
frac-times flip3-- frac-2neg div-sub associate-*r/ pow-prod-down associate-*l/ clear-num log-pow flip--
Counts
4 → 229
Calls
4 calls:
22.0ms
(* 0.5 (pow i 2))
314.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
19.0ms
(* (pow i 2) (log 1.0))
342.0ms
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

series659.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* 0.5 (pow i 2))
176.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
204.0ms
(* (pow i 2) (log 1.0))
248.0ms
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

simplify674.0ms

Counts
241 → 241
Iterations

Useful iterations: done (663.0ms)

IterNodesCost
03878200
112457797
done50016871

prune1.0s

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 11.7b

localize41.0ms

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))
11.4b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
12.1b
(* (pow i 2) (log 1.0))

rewrite646.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
25×add-exp-log
21×add-cube-cbrt *-un-lft-identity
19×add-cbrt-cube
14×associate-*l*
13×associate-*r*
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:
13.0ms
(* 0.5 (pow i 2))
271.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
331.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
27.0ms
(* (pow i 2) (log 1.0))

series675.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* 0.5 (pow i 2))
250.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
187.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
205.0ms
(* (pow i 2) (log 1.0))

simplify1.6s

Counts
124 → 124
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02162789
15342708
226752302
done50012300

prune452.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 11.7b

regimes264.0ms

Accuracy

52.2% (10.6b remaining)

Error of 21.6b against oracle of 11.0b and baseline of 33.2b

bsearch436.0ms

Steps
ItersRangePoint
8
5.344653673325432e+100
5.6044378618353505e+103
5.534188978290048e+103
10
0.00038500758258708294
1371021975238077.5
1.1647242678127252
9
-13.304859898696009
-9.641814872486784e-07
-0.0035428999671728045

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
051107
169107
done69107

end0.0ms

sample6.3s

Algorithm
intervals
Results
2.2s936×body2560valid
2.1s2478×body1280valid
654.0ms1611×body640valid
389.0ms465×body160valid
219.0ms902×body320valid
175.0ms3090×body80valid
102.0ms2341×body80nan
21.0msbody5120valid