Details

Time bar (total: 18.6s)

sample157.0ms

Algorithm
intervals
Results
61.0ms30×body2560valid
53.0ms75×body1280valid
14.0ms48×body640valid
5.0ms107×body80valid
4.0msbody5120valid
4.0ms23×body320valid
3.0ms84×body80nan
1.0ms15×body160valid

simplify2.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01015
12515
25815
313715
432715
599815
6417715
done500015

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
0.9b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.8b
(pow (+ 1.0 (/ i n)) n)
10.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite637.0ms

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:
258.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
119.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
13.0ms
(pow (+ 1.0 (/ i n)) n)
229.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.2s

Counts
4 → 12
Calls
4 calls:
376.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
257.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
217.0ms
(pow (+ 1.0 (/ i n)) n)
362.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify416.0ms

Counts
293 → 293
Iterations

Useful iterations: done (406.0ms)

IterNodesCost
04376469
112356125
done50016097

prune814.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 19.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
0.1b
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
0.9b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.8b
(pow (+ 1.0 (/ i n)) n)

rewrite580.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
29×*-un-lft-identity
28×associate-*l*
22×times-frac
19×add-exp-log add-cube-cbrt
18×add-cbrt-cube
12×pow1 difference-of-squares
unpow-prod-down
prod-exp cbrt-unprod
add-log-exp
sqr-pow
associate-*r* pow-prod-down distribute-lft-out--
pow-unpow
cbrt-undiv div-exp associate-*l/ *-commutative unswap-sqr
pow-to-exp sub-neg flip3-- pow-pow diff-log associate-*r/ pow-exp flip-- div-inv distribute-lft-out
Counts
4 → 99
Calls
4 calls:
186.0ms
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
257.0ms
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
120.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
12.0ms
(pow (+ 1.0 (/ i n)) n)

series1.2s

Counts
4 → 12
Calls
4 calls:
380.0ms
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
358.0ms
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
255.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
214.0ms
(pow (+ 1.0 (/ i n)) n)

simplify799.0ms

Counts
111 → 111
Iterations

Useful iterations: 2 (170.0ms)

IterNodesCost
02101888
15391822
220711606
done50011606

prune273.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 8.2b

localize17.0ms

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))
11.5b
(/ (- (+ (* 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))

rewrite267.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
20×add-exp-log
18×add-cube-cbrt *-un-lft-identity
17×add-cbrt-cube
11×associate-*l*
10×pow1
times-frac add-log-exp
prod-exp
log-prod cbrt-unprod
associate-*r*
unpow-prod-down unswap-sqr
distribute-rgt-in distribute-lft-in pow-prod-down associate-/r* sum-log associate-/l*
cbrt-undiv div-exp *-commutative associate-/l/ unpow2 sqr-pow
+-commutative pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ associate-*l/ pow-exp clear-num log-pow flip-- flip-+ div-inv
Counts
4 → 98
Calls
4 calls:
9.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
110.0ms
(* 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
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
7.0ms
(* (pow i 2) (log 1.0))

series542.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
212.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
141.0ms
(/ (- (+ (* 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))

simplify947.0ms

Counts
110 → 110
Iterations

Useful iterations: 2 (182.0ms)

IterNodesCost
02102896
15442825
222282419
done50002419

prune311.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 8.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i))
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)
11.5b
(/ (- (+ (* 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))

rewrite432.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×add-cube-cbrt *-un-lft-identity
25×add-exp-log
22×add-cbrt-cube
20×associate-*r*
19×times-frac
12×pow1 associate-*l*
10×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-/r* *-commutative associate-/l*
associate-*r/ div-inv associate-/l/ unpow2 sqr-pow
pow-to-exp flip3-- frac-2neg div-sub associate-*l/ pow-exp clear-num log-pow flip--
Counts
4 → 117
Calls
4 calls:
133.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i))
153.0ms
(* (* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)) n)
135.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
7.0ms
(* (pow i 2) (log 1.0))

series609.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i))
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)
128.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
136.0ms
(* (pow i 2) (log 1.0))

simplify949.0ms

Counts
129 → 129
Iterations

Useful iterations: 2 (193.0ms)

IterNodesCost
02183765
15483686
225333149
done50003149

prune339.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 8.2b

regimes207.0ms

Accuracy

46.1% (12.2b remaining)

Error of 23.6b against oracle of 11.4b and baseline of 34.0b

bsearch568.0ms

Steps
ItersRangePoint
7
1.8763976102611505e-155
6.193957419652655e-154
6.2539521969327255e-155
6
1.428658578821738e-291
1.1241352939529096e-290
1.4472641457797862e-291
8
-542359391.39979
-925426.909356872
-934893.9033682138
5
-2.350670412092924e+26
-9.509086209243448e+25
-1.0912719332224593e+26
7
-9.598097109554337e+63
-7.474441928331378e+61
-3.317476088456595e+63
6
-4.85405993564138e+85
-5.838951595693273e+84
-4.0369911640829986e+85
7
-2.854726066546375e+174
-4.469800189377323e+172
-1.0029723224091834e+174

simplify6.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
059211
178211
done78211

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.8s954×body2560valid
1.7s2510×body1280valid
472.0ms1657×body640valid
144.0ms866×body320valid
132.0ms3029×body80valid
71.0ms2286×body80nan
43.0ms423×body160valid
21.0msbody5120valid