Details

Time bar (total: 23.4s)

sample190.0ms

Algorithm
intervals
Results
80.0ms76×body1280valid
48.0ms24×body2560valid
22.0ms54×body640valid
7.0ms27×body320valid
6.0ms98×body80valid
5.0ms96×body80nan
3.0ms19×body160valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
12515
25915
314015
434715
5151415
done500015

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.7b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.5b
(pow (+ 1.0 (/ i n)) n)
9.2b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.2s

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:
448.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
187.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
34.0ms
(pow (+ 1.0 (/ i n)) n)
474.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.6s

Counts
4 → 12
Calls
4 calls:
570.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
356.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
250.0ms
(pow (+ 1.0 (/ i n)) n)
408.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify916.0ms

Counts
293 → 293
Iterations

Useful iterations: done (891.0ms)

IterNodesCost
04376469
114166211
done50005919

prune1.2s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 20.6b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) 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)))
12.1b
(* (pow i 2) (log 1.0))
16.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite841.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
102×add-sqr-sqrt
87×add-cube-cbrt *-un-lft-identity
48×associate-*r*
23×add-exp-log
20×add-cbrt-cube
13×associate-/r*
11×associate-*l*
div-inv add-log-exp
pow1 unswap-sqr
cbrt-undiv log-prod div-exp prod-exp
unpow-prod-down cbrt-unprod
distribute-rgt-in distribute-lft-in sum-log associate-/l*
associate-/r/ *-commutative associate-/l/ unpow2 sqr-pow
+-commutative pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down pow-exp clear-num log-pow flip-- flip-+
Counts
4 → 186
Calls
4 calls:
29.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
346.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
25.0ms
(* (pow i 2) (log 1.0))
425.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

series781.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
284.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
214.0ms
(* (pow i 2) (log 1.0))
217.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

simplify575.0ms

Counts
198 → 198
Iterations

Useful iterations: done (560.0ms)

IterNodesCost
03386829
110236655
done50016143

prune970.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 11.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
3.3b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
10.3b
(* (/ 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)))
12.1b
(* (pow i 2) (log 1.0))

rewrite827.0ms

Algorithm
rewrite-expression-head
Rules
164×times-frac
127×add-sqr-sqrt
95×*-un-lft-identity
93×add-cube-cbrt
53×add-exp-log
48×associate-*r*
32×add-cbrt-cube
23×div-exp
21×associate-*l*
13×prod-exp associate-/r*
12×cbrt-undiv unswap-sqr
10×div-inv
add-log-exp
pow1 cbrt-unprod
log-prod
unpow-prod-down
distribute-rgt-in rec-exp distribute-lft-in 1-exp sum-log associate-/l*
associate-/r/ *-commutative associate-/l/ unpow2 sqr-pow
+-commutative frac-times pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down associate-*l/ pow-exp clear-num log-pow flip-- flip-+
Counts
4 → 215
Calls
4 calls:
43.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
348.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
386.0ms
(* (/ 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)))
29.0ms
(* (pow i 2) (log 1.0))

series711.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
169.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
286.0ms
(* (/ 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)))
213.0ms
(* (pow i 2) (log 1.0))

simplify615.0ms

Counts
227 → 227
Iterations

Useful iterations: done (605.0ms)

IterNodesCost
03798307
112437916
done50006996

prune891.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 11.4b

localize33.0ms

Local error

Found 4 expressions with local error:

10.3b
(* (/ 100.0 i) (* (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) n))
12.1b
(* (pow i 2) (log 1.0))
12.1b
(* (pow i 2) (log 1.0))
12.1b
(* (pow i 2) (log 1.0))

rewrite692.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
37×associate-*l*
31×add-exp-log
26×add-cube-cbrt *-un-lft-identity
22×add-cbrt-cube
18×log-prod
15×prod-exp
13×associate-*r*
12×pow1 unpow-prod-down unswap-sqr
distribute-rgt-in distribute-lft-in times-frac cbrt-unprod
unpow2 sqr-pow
associate-*l/
*-commutative add-log-exp
pow-to-exp pow-prod-down pow-exp log-pow
cbrt-undiv frac-times flip3-- associate-*r/ div-exp flip--
div-inv
Counts
4 → 139
Calls
4 calls:
637.0ms
(* (/ 100.0 i) (* (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) n))
17.0ms
(* (pow i 2) (log 1.0))
14.0ms
(* (pow i 2) (log 1.0))
19.0ms
(* (pow i 2) (log 1.0))

series709.0ms

Counts
4 → 12
Calls
4 calls:
216.0ms
(* (/ 100.0 i) (* (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) n))
166.0ms
(* (pow i 2) (log 1.0))
164.0ms
(* (pow i 2) (log 1.0))
163.0ms
(* (pow i 2) (log 1.0))

simplify1.2s

Counts
151 → 151
Iterations

Useful iterations: 2 (333.0ms)

IterNodesCost
01722714
14682614
225022183
done50022183

prune626.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 11.4b

regimes636.0ms

Accuracy

53.4% (10.5b remaining)

Error of 21.4b against oracle of 10.9b and baseline of 33.4b

bsearch509.0ms

Steps
ItersRangePoint
8
1.7651294170037398e+141
1.8332650139728974e+145
5.064717226083426e+144
10
3.6038887973904155e-15
1575.9184687212278
18.662937204719956
0
3.894337894410089e-198
3.931641926837824e-198
3.912989910623956e-198
6
-1.8476729376770798e-255
-2.387276649835617e-256
-1.4313525468371782e-255
9
-3.309911606533295
-1.716801800522696e-06
-0.10408074195050146

simplify26.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
059306
180306
done80306

end0.0ms

sample6.2s

Algorithm
intervals
Results
2.3s2569×body1280valid
2.0s945×body2560valid
634.0ms1634×body640valid
425.0ms2223×body80nan
204.0ms839×body320valid
203.0ms2934×body80valid
54.0ms424×body160valid
18.0msbody5120valid