Details

Time bar (total: 31.8s)

sample241.0ms

Algorithm
intervals
Results
95.0ms84×body1280valid
73.0ms24×body2560valid
26.0ms59×body640valid
8.0ms24×body320valid
7.0ms99×body80valid
4.0msbody5120valid
4.0ms68×body80nan
2.0msbody160valid

simplify5.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
010414
125414
259414
3135414
4309414
5836414
63302414
done5015414

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.7b

localize38.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.1b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.3b
(pow (+ 1.0 (/ i n)) n)
10.7b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.1s

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 clear-num sub-neg pow-pow frac-2neg diff-log div-sub pow-prod-down pow-exp associate-*r/ *-commutative distribute-lft-out
Counts
4 → 281
Calls
4 calls:
462.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
183.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
371.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.6s

Counts
4 → 12
Calls
4 calls:
537.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
368.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
276.0ms
(pow (+ 1.0 (/ i n)) n)
447.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify4.0s

Counts
293 → 293
Iterations

Useful iterations: 2 (2.4s)

IterNodesCost
0437186805
11390179104
24676175769
done5001175769

prune1.3s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 21.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
0.1b
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
1.1b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.3b
(pow (+ 1.0 (/ i n)) n)

rewrite658.0ms

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 pow-pow flip3-- diff-log pow-exp associate-*r/ div-inv flip-- distribute-lft-out
Counts
4 → 99
Calls
4 calls:
287.0ms
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
214.0ms
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
135.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
18.0ms
(pow (+ 1.0 (/ i n)) n)

series1.2s

Counts
4 → 12
Calls
4 calls:
356.0ms
(* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n)
373.0ms
(* 100.0 (* (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) i) n))
252.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
220.0ms
(pow (+ 1.0 (/ i n)) n)

simplify1.8s

Counts
111 → 111
Iterations

Useful iterations: done (1.8s)

IterNodesCost
021054944
156751819
2154949858
done500049178

prune392.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 10.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (- (* i i) (* (log 1.0) (* i i))))
0.1b
(* 100.0 (* (/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i) n))
11.5b
(/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i)
12.1b
(* (log 1.0) (* i i))

rewrite158.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
19×add-sqr-sqrt
17×pow1
16×*-un-lft-identity add-cube-cbrt
10×associate-*l*
times-frac prod-exp cbrt-unprod
pow-prod-down associate-*r/
associate-/l/
associate-*r*
frac-add add-log-exp
associate-/r* flip3-+ flip3-- *-commutative flip-+ flip-- associate-/l*
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in div-exp unswap-sqr
clear-num frac-2neg associate-*l/ log-pow div-inv
Counts
4 → 98
Calls
4 calls:
20.0ms
(* 0.5 (- (* i i) (* (log 1.0) (* i i))))
55.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i) n))
66.0ms
(/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i)
13.0ms
(* (log 1.0) (* i i))

series686.0ms

Counts
4 → 12
Calls
4 calls:
208.0ms
(* 0.5 (- (* i i) (* (log 1.0) (* i i))))
193.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i) n))
141.0ms
(/ (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) i)
144.0ms
(* (log 1.0) (* i i))

simplify2.1s

Counts
110 → 110
Iterations

Useful iterations: done (2.1s)

IterNodesCost
021149443
163346619
2242845939
done500045856

prune448.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 10.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n))
1.7b
(* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)
12.1b
(* (log 1.0) (* i i))
12.7b
(/ (* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)) i)

rewrite255.0ms

Algorithm
rewrite-expression-head
Rules
25×add-cbrt-cube add-exp-log
24×associate-*r/
18×associate-*l/
17×pow1
13×add-sqr-sqrt
12×frac-add
10×*-un-lft-identity associate-*l* prod-exp add-cube-cbrt cbrt-unprod
flip3-+ flip-+
pow-prod-down
flip3-- flip-- associate-/l/
associate-*r*
add-log-exp
cbrt-undiv associate-/r* times-frac div-exp *-commutative
unswap-sqr
clear-num frac-2neg log-pow div-inv associate-/l*
Counts
4 → 97
Calls
4 calls:
82.0ms
(* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n))
74.0ms
(* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)
13.0ms
(* (log 1.0) (* i i))
83.0ms
(/ (* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)) i)

series637.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n))
142.0ms
(* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)
149.0ms
(* (log 1.0) (* i i))
193.0ms
(/ (* 100.0 (* (+ (+ (* (log 1.0) n) (* 1.0 i)) (* 0.5 (- (* i i) (* (log 1.0) (* i i))))) n)) i)

simplify2.4s

Counts
109 → 109
Iterations

Useful iterations: 2 (1.2s)

IterNodesCost
021961126
174954083
2362853643
done500653643

prune425.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 10.0b

regimes328.0ms

Accuracy

51.8% (11.1b remaining)

Error of 22.0b against oracle of 10.8b and baseline of 33.9b

bsearch939.0ms

Steps
ItersRangePoint
9
172837025096415.12
4.3123677039784593e+21
176217786659469.75
10
1.610089599574912e-70
9.107827051966749e-58
1.6668266874068228e-69
7
-3.795188455732613e-105
-5.995636585357086e-107
-1.0712482862995937e-106
10
-8.386890221429651e-30
-4.4607380950102347e-41
-8.271685620893128e-30

simplify40.0ms

Iterations

Useful iterations: 0 (25.0ms)

IterNodesCost
0622890
1862890
done862890

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.2s2480×body1280valid
1.9s996×body2560valid
595.0ms1604×body640valid
209.0ms814×body320valid
208.0ms3164×body80valid
145.0ms2189×body80nan
46.0ms401×body160valid
34.0ms10×body5120valid