Details

Time bar (total: 28.2s)

sample249.0ms

Algorithm
intervals
Results
100.0ms35×body2560valid
74.0ms76×body1280valid
27.0ms53×body640valid
8.0ms25×body320valid
8.0ms96×body80valid
6.0ms90×body80nan
3.0ms15×body160valid

simplify1.7s

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

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 44.6b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
2.1b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
5.8b
(pow (+ 1.0 (/ i n)) n)
10.2b
(/ (- (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 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:
485.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
205.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
17.0ms
(pow (+ 1.0 (/ i n)) n)
435.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.7s

Counts
4 → 12
Calls
4 calls:
509.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
365.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
319.0ms
(pow (+ 1.0 (/ i n)) n)
555.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify763.0ms

Counts
293 → 293
Iterations
IterNodes
done5001
11418
0437

prune1.8s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 21.8b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (* i i) 0.5) (* 1.0 i))
0.1b
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
10.4b
(* (log 1.0) (* (* i i) 0.5))
17.2b
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

rewrite756.0ms

Algorithm
rewrite-expression-head
Rules
188×times-frac
151×*-un-lft-identity
106×add-sqr-sqrt
97×add-cube-cbrt
58×associate-*r*
27×add-cbrt-cube add-exp-log distribute-lft-out
16×pow1
13×associate-/r*
11×div-inv
prod-exp cbrt-unprod
associate-*l* pow-prod-down
cbrt-undiv div-exp add-log-exp associate-/l/
flip3-+ frac-add flip-+ associate-/l*
unswap-sqr
flip3-- associate-/r/ *-commutative flip--
+-commutative clear-num associate-+r- sum-log frac-2neg div-sub associate-*r/ log-pow
Counts
4 → 203
Calls
4 calls:
16.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
344.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
75.0ms
(* (log 1.0) (* (* i i) 0.5))
310.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

series927.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
314.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
250.0ms
(* (log 1.0) (* (* i i) 0.5))
280.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

simplify589.0ms

Counts
215 → 215
Iterations
IterNodes
done5000
11064
0336

prune1.4s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 11.4b

localize51.0ms

Local error

Found 4 expressions with local error:

10.4b
(* (log 1.0) (- n (* i (* i 0.5))))
10.5b
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
10.5b
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
10.5b
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
26×associate-*r/
18×cbrt-div
12×frac-add
11×add-sqr-sqrt
cbrt-prod *-un-lft-identity flip3-+ add-cube-cbrt flip-+
pow1 flip3-- flip--
add-cbrt-cube add-exp-log
associate-*l* add-log-exp
pow1/3 associate-*r*
distribute-rgt-in sub-neg distribute-lft-in
pow-prod-down prod-exp log-pow *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
15.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
13.0ms
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
29.0ms
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
21.0ms
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))

series3.5s

Counts
4 → 12
Calls
4 calls:
252.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
1.1s
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
1.0s
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))
1.1s
(cbrt (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))))

simplify1.2s

Counts
88 → 88
Iterations
IterNodes
done5000
22482
1506
0171

prune1.2s

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 11.4b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0)
0.5b
(* (/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i) n)
9.5b
(/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i)
10.4b
(* (log 1.0) (- n (* i (* i 0.5))))

rewrite197.0ms

Algorithm
rewrite-expression-head
Rules
22×add-cbrt-cube add-exp-log
19×add-sqr-sqrt
18×associate-*r/
14×associate-*l*
13×*-un-lft-identity associate-*l/ add-cube-cbrt
11×pow1
associate-*r*
frac-add
prod-exp cbrt-unprod
flip3-+ times-frac flip-+ associate-/l/
flip3-- flip--
cbrt-undiv div-exp add-log-exp
associate-/r* pow-prod-down *-commutative unswap-sqr
distribute-rgt-in sub-neg distribute-lft-in div-inv
clear-num frac-2neg log-pow associate-/l*
Counts
4 → 103
Calls
4 calls:
62.0ms
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0)
63.0ms
(* (/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i) n)
53.0ms
(/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i)
15.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

series982.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0)
319.0ms
(* (/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i) n)
254.0ms
(/ (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) 100.0) i)
225.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

simplify2.3s

Counts
115 → 115
Iterations
IterNodes
done5001
24714
1722
0232

prune605.0ms

Pruning

20 alts after pruning (18 fresh and 2 done)

Merged error: 11.4b

regimes377.0ms

Accuracy

43.6% (12.6b remaining)

Error of 23.6b against oracle of 10.9b and baseline of 33.3b

bsearch465.0ms

Steps
ItersRangePoint
7
1.2245728681896357e-155
1.2152850197652755e-153
1.4183297845116364e-154
7
-22.8286883066892
-0.10952899301968014
-1.8594290872480363
8
-8.389936357340607e+106
-5.720382841890011e+103
-8.23875326441092e+106
7
-4.1468841507459867e+123
-2.615624459402513e+121
-6.142887410522618e+122

simplify24.0ms

Iterations
IterNodes
done74
174
053

end0.0ms

sample6.1s

Algorithm
intervals
Results
2.3s995×body2560valid
2.0s2450×body1280valid
594.0ms1640×body640valid
362.0ms454×body160valid
253.0ms3041×body80valid
162.0ms835×body320valid
92.0ms2189×body80nan
24.0msbody5120valid