Details

Time bar (total: 26.9s)

sample213.0ms

Algorithm
intervals
Results
81.0ms89×body1280valid
77.0ms35×body2560valid
18.0ms46×body640valid
7.0ms33×body320valid
5.0ms86×body80valid
3.0ms73×body80nan
1.0msbody160valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
done5000
51535
4347
3140
259
125
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 45.9b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.6b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.3b
(pow (+ 1.0 (/ i n)) n)
11.4b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.0s

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:
457.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
188.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
328.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.7s

Counts
4 → 12
Calls
4 calls:
546.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
396.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
268.0ms
(pow (+ 1.0 (/ i n)) n)
519.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.1s

Counts
293 → 293
Iterations
IterNodes
done5001
11418
0437

prune1.5s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 22.6b

localize62.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (* i i) 0.5)
0.1b
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
8.2b
(* (log 1.0) (* (* i i) 0.5))
18.8b
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

rewrite618.0ms

Algorithm
rewrite-expression-head
Rules
188×times-frac
152×*-un-lft-identity
108×add-sqr-sqrt
98×add-cube-cbrt
61×associate-*r*
32×add-cbrt-cube add-exp-log
27×distribute-lft-out
21×pow1
13×associate-/r*
12×prod-exp cbrt-unprod
11×div-inv
10×pow-prod-down
associate-*l*
cbrt-undiv div-exp associate-/l/
frac-add associate-/l* add-log-exp unswap-sqr
flip3-+ *-commutative flip-+
flip3-- associate-/r/ flip--
clear-num associate-+r- frac-2neg div-sub associate-*r/ log-pow
Counts
4 → 211
Calls
4 calls:
14.0ms
(* (* i i) 0.5)
273.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
38.0ms
(* (log 1.0) (* (* i i) 0.5))
281.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

series844.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* (* i i) 0.5)
323.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
254.0ms
(* (log 1.0) (* (* i i) 0.5))
236.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

simplify1.5s

Counts
223 → 223
Iterations
IterNodes
done5000
11046
0333

prune1.3s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 10.8b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n)
0.1b
(* 100.0 (* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n))
7.7b
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
8.2b
(* (log 1.0) (- n (* (* 0.5 i) i)))

rewrite417.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
23×*-un-lft-identity add-cube-cbrt
22×add-cbrt-cube add-exp-log
20×associate-*l*
19×times-frac
14×pow1
prod-exp cbrt-unprod
associate-*r*
pow-prod-down
add-log-exp
cbrt-undiv associate-/r* div-exp associate-*r/ *-commutative associate-/l* unswap-sqr
distribute-rgt-in sub-neg distribute-lft-in associate-*l/ div-inv associate-/l/
clear-num frac-2neg flip3-+ flip3-- log-pow flip-+ flip--
Counts
4 → 107
Calls
4 calls:
129.0ms
(* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n)
134.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n))
126.0ms
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
21.0ms
(* (log 1.0) (- n (* (* 0.5 i) i)))

series806.0ms

Counts
4 → 12
Calls
4 calls:
234.0ms
(* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n)
220.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i) n))
165.0ms
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
187.0ms
(* (log 1.0) (- n (* (* 0.5 i) i)))

simplify2.2s

Counts
119 → 119
Iterations
IterNodes
done5004
22995
1559
0201

prune684.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 10.8b

localize57.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt n)
0.6b
(cbrt n)
7.7b
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
8.2b
(* (log 1.0) (- n (* (* 0.5 i) i)))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube add-exp-log
pow1
cbrt-prod
associate-*l* add-log-exp
associate-/r* associate-*r* associate-/l*
distribute-rgt-in sub-neg distribute-lft-in pow1/3 associate-*r/ associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ flip3-- div-exp pow-prod-down prod-exp log-pow *-commutative cbrt-unprod flip-+ div-inv flip-- unswap-sqr
Counts
4 → 76
Calls
4 calls:
1.0ms
(cbrt n)
1.0ms
(cbrt n)
103.0ms
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
14.0ms
(* (log 1.0) (- n (* (* 0.5 i) i)))

series834.0ms

Counts
4 → 12
Calls
4 calls:
235.0ms
(cbrt n)
257.0ms
(cbrt n)
150.0ms
(/ (+ (+ (* (log 1.0) (- n (* (* 0.5 i) i))) (* (* 0.5 i) i)) (* 1.0 i)) i)
192.0ms
(* (log 1.0) (- n (* (* 0.5 i) i)))

simplify1.5s

Counts
88 → 88
Iterations
IterNodes
done5000
21677
1345
0140

prune608.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 10.8b

regimes564.0ms

Accuracy

53.1% (10.7b remaining)

Error of 21.7b against oracle of 11.0b and baseline of 33.8b

bsearch310.0ms

Steps
ItersRangePoint
9
3.0812599035097804e-09
7.830610238325062
4.039962480132393
9
-69051.06592837533
-4.7512835972832904e-05
-0.008529206764181105

simplify17.0ms

Iterations
IterNodes
done46
146
031

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2469×body1280valid
2.1s962×body2560valid
1.0s1584×body640valid
185.0ms878×body320valid
174.0ms2251×body80nan
174.0ms3111×body80valid
116.0ms451×body160valid
38.0ms11×body5120valid