Details

Time bar (total: 26.6s)

sample298.0ms

Algorithm
intervals
Results
122.0ms39×body2560valid
97.0ms75×body1280valid
27.0ms47×body640valid
20.0ms105×body80valid
7.0ms20×body320valid
5.0ms71×body80nan
4.0ms20×body160valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
done5004
52473
4512
3150
258
128
010

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 45.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100 (/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n)))
1.0b
(- (pow (+ 1 (/ i n)) n) 1)
7.9b
(pow (+ 1 (/ i n)) n)
12.6b
(/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n))

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
584×times-frac
485×add-sqr-sqrt
366×*-un-lft-identity
224×add-cube-cbrt
174×associate-*r*
168×difference-of-squares
88×unpow-prod-down
85×sqr-pow
84×difference-of-sqr-1
29×div-inv
28×distribute-lft-out--
19×add-exp-log
18×add-cbrt-cube
13×associate-/r* associate-/l*
pow1
cbrt-undiv div-exp add-log-exp
insert-posit16
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 → 453
Calls
4 calls:
502.0ms
(* 100 (/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n)))
195.0ms
(- (pow (+ 1 (/ i n)) n) 1)
33.0ms
(pow (+ 1 (/ i n)) n)
449.0ms
(/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n))

series1.4s

Counts
4 → 12
Calls
4 calls:
414.0ms
(* 100 (/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n)))
321.0ms
(- (pow (+ 1 (/ i n)) n) 1)
327.0ms
(pow (+ 1 (/ i n)) n)
356.0ms
(/ (- (pow (+ 1 (/ i n)) n) 1) (/ i n))

simplify1.8s

Counts
465 → 465
Iterations
IterNodes
done5001
11702
0542

prune2.1s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 23.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(* i (* i i))
0.2b
(* 1/6 (* i (* i i)))
6.3b
(+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i))
20.7b
(/ (+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i)) (/ i n))

rewrite706.0ms

Algorithm
rewrite-expression-head
Rules
75×times-frac
49×add-sqr-sqrt
48×*-un-lft-identity add-cube-cbrt
27×pow1
23×add-cbrt-cube add-exp-log
13×associate-/r*
pow-prod-down prod-exp cbrt-unprod add-log-exp
associate-*l*
pow-prod-up div-inv
insert-posit16
cbrt-undiv sum-log div-exp associate-/l*
flip3-+ associate-*r* *-commutative flip-+ associate-/l/
pow2 +-commutative associate-+r+ clear-num frac-2neg pow-plus cube-unmult associate-/r/ pow-sqr unswap-sqr
Counts
4 → 134
Calls
4 calls:
24.0ms
(* i (* i i))
43.0ms
(* 1/6 (* i (* i i)))
154.0ms
(+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i))
479.0ms
(/ (+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i)) (/ i n))

series229.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* i (* i i))
54.0ms
(* 1/6 (* i (* i i)))
49.0ms
(+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i))
77.0ms
(/ (+ (* (* 1/2 i) i) (+ (* 1/6 (* i (* i i))) i)) (/ i n))

simplify2.0s

Counts
146 → 146
Iterations
IterNodes
done5005
22329
1627
0238

prune896.0ms

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 11.1b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100 (+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2)))))
0.2b
(* (* i i) 1/6)
3.3b
(+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2))))
6.9b
(* (* (* i i) 1/6) n)

rewrite508.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1 add-cbrt-cube add-exp-log
11×add-sqr-sqrt
10×pow-prod-down prod-exp cbrt-unprod
associate-*r* add-log-exp
*-un-lft-identity add-cube-cbrt
associate-*l*
insert-posit16
sum-log *-commutative
flip3-+ associate-*r/ flip-+ unswap-sqr
distribute-rgt-in +-commutative associate-+r+ distribute-lft-in
Counts
4 → 79
Calls
4 calls:
273.0ms
(* 100 (+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2)))))
32.0ms
(* (* i i) 1/6)
97.0ms
(+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2))))
104.0ms
(* (* (* i i) 1/6) n)

series155.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* 100 (+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2)))))
40.0ms
(* (* i i) 1/6)
42.0ms
(+ (* (* (* i i) 1/6) n) (+ n (* i (* n 1/2))))
29.0ms
(* (* (* i i) 1/6) n)

simplify1.7s

Counts
91 → 91
Iterations
IterNodes
done5005
21805
1398
0136

prune481.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 11.1b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100 (* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i))))
0.1b
(* i (* i 1/6))
0.3b
(* i 1/6)
2.2b
(* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i)))

rewrite524.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-cbrt-cube add-exp-log
14×add-sqr-sqrt
12×associate-*l*
10×*-un-lft-identity add-cube-cbrt
associate-*r* pow-prod-down prod-exp cbrt-unprod
associate-*r/
distribute-rgt-in distribute-lft-in
*-commutative insert-posit16 add-log-exp
flip3-+ flip-+ unswap-sqr
Counts
4 → 86
Calls
4 calls:
196.0ms
(* 100 (* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i))))
16.0ms
(* i (* i 1/6))
7.0ms
(* i 1/6)
301.0ms
(* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i)))

series185.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(* 100 (* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i))))
31.0ms
(* i (* i 1/6))
16.0ms
(* i 1/6)
66.0ms
(* n (+ (+ (* i (* i 1/6)) 1) (* 1/2 i)))

simplify1.6s

Counts
98 → 98
Iterations
IterNodes
done5014
21899
1412
0140

prune629.0ms

Pruning

21 alts after pruning (20 fresh and 1 done)

Merged error: 11.1b

regimes332.0ms

Accuracy

56.5% (9.9b remaining)

Error of 20.3b against oracle of 10.4b and baseline of 33.1b

bsearch237.0ms

Steps
ItersRangePoint
10
1.1508784487870086e-137
2.644987615850002e-119
1.4389956636303172e-137
10
-524937.0299516014
-3.8822111449762154e-05
-0.6272769565773454

simplify5.0ms

Iterations
IterNodes
done30
130
020

end0.0ms

sample7.5s

Algorithm
intervals
Results
2.7s2496×body1280valid
2.6s999×body2560valid
871.0ms1571×body640valid
518.0ms2226×body80nan
249.0ms3075×body80valid
239.0ms859×body320valid
108.0ms417×body160valid
33.0msbody5120valid