Details

Time bar (total: 38.4s)

sample199.0ms

Algorithm
intervals
Results
77.0ms87×body1280valid
59.0ms24×body2560valid
21.0ms52×body640valid
7.0ms32×body320valid
6.0ms93×body80valid
4.0ms80×body80nan
3.0ms19×body160valid

simplify3.2s

Counts
1 → 1
Iterations
IterNodes
done5015
63302
5836
4309
3135
259
125
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 45.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
2.3b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
6.1b
(pow (+ 1.0 (/ i n)) n)
8.9b
(/ (- (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:
471.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
240.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
30.0ms
(pow (+ 1.0 (/ i n)) n)
308.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
567.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
351.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
333.0ms
(pow (+ 1.0 (/ i n)) n)
592.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify3.4s

Counts
293 → 293
Iterations
IterNodes
done5001
24676
11390
0437

prune1.8s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 21.3b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5))))
0.1b
(* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
12.1b
(* (log 1.0) (* (* i i) 0.5))
18.2b
(/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

rewrite570.0ms

Algorithm
rewrite-expression-head
Rules
188×times-frac
153×*-un-lft-identity
106×add-sqr-sqrt
97×add-cube-cbrt
58×associate-*r*
28×distribute-lft-out
27×add-cbrt-cube add-exp-log
16×pow1 add-log-exp
13×associate-/r*
11×div-inv
prod-exp cbrt-unprod
frac-add
associate-*l* pow-prod-down
cbrt-undiv sum-log flip3-+ div-exp flip-+ associate-/l/
flip3-- flip-- associate-/l*
unswap-sqr
associate-+r+ associate-+r- diff-log associate-/r/ *-commutative
+-commutative associate-+l+ clear-num sub-neg frac-2neg div-sub associate-*r/ log-pow
Counts
4 → 215
Calls
4 calls:
71.0ms
(+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5))))
227.0ms
(* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
48.0ms
(* (log 1.0) (* (* i i) 0.5))
214.0ms
(/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

series828.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5))))
256.0ms
(* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
208.0ms
(* (log 1.0) (* (* i i) 0.5))
214.0ms
(/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

simplify2.9s

Counts
227 → 227
Iterations
IterNodes
done5003
24878
11132
0363

prune1.2s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 12.0b

localize27.0ms

Local error

Found 4 expressions with local error:

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

rewrite679.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
29×add-sqr-sqrt add-cbrt-cube add-exp-log
25×times-frac
24×add-cube-cbrt
21×pow1
20×associate-*r*
13×prod-exp cbrt-unprod
10×pow-prod-down
associate-*l*
distribute-lft-out
associate-/l/
frac-add associate-/l* add-log-exp
cbrt-undiv associate-/r* flip3-+ div-exp *-commutative flip-+
flip3-- associate-*r/ div-inv flip-- unswap-sqr
clear-num associate-+r- frac-2neg div-sub associate-*l/ log-pow
Counts
4 → 116
Calls
4 calls:
215.0ms
(* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i))
239.0ms
(* (* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i)) n)
177.0ms
(/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i)
45.0ms
(* (log 1.0) (* (* i i) 0.5))

series807.0ms

Counts
4 → 12
Calls
4 calls:
224.0ms
(* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i))
240.0ms
(* (* 100.0 (/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i)) n)
166.0ms
(/ (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))) i)
177.0ms
(* (log 1.0) (* (* i i) 0.5))

simplify1.9s

Counts
128 → 128
Iterations
IterNodes
done5000
22727
1650
0218

prune526.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 12.0b

localize52.0ms

Local error

Found 4 expressions with local error:

12.1b
(* (log 1.0) (* (* i i) 0.5))
12.2b
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
12.2b
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
12.2b
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
14×pow1 *-un-lft-identity
13×add-cbrt-cube add-exp-log
12×cbrt-prod frac-add
flip3-+ flip-+
add-sqr-sqrt add-cube-cbrt
flip3-- pow-prod-down prod-exp cbrt-unprod flip--
associate-*l* add-log-exp
pow1/3 distribute-lft-out
associate-*r* log-pow *-commutative
Counts
4 → 76
Calls
4 calls:
40.0ms
(* (log 1.0) (* (* i i) 0.5))
65.0ms
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
57.0ms
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
51.0ms
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))

series8.7s

Counts
4 → 12
Calls
4 calls:
239.0ms
(* (log 1.0) (* (* i i) 0.5))
3.1s
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
2.7s
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))
2.7s
(cbrt (+ (+ (* n (log 1.0)) (* 1.0 i)) (- (* (* i i) 0.5) (* (log 1.0) (* (* i i) 0.5)))))

simplify1.8s

Counts
88 → 88
Iterations
IterNodes
done5000
21906
1473
0157

prune570.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 12.0b

regimes269.0ms

Accuracy

52.6% (10.8b remaining)

Error of 22.2b against oracle of 11.4b and baseline of 34.2b

bsearch289.0ms

Steps
ItersRangePoint
7
7.2949686944817395e+205
1.8280591761267005e+208
1.540498293983816e+208
12
9.084828359643272e-19
1.6311032011848909e+25
1.9432388931584246
5
-7.642915086960539e-08
-3.0023583529873386e-08
-7.524185979796087e-08

simplify16.0ms

Iterations
IterNodes
done73
173
053

end0.0ms

sample5.4s

Algorithm
intervals
Results
2.1s2441×body1280valid
1.8s972×body2560valid
604.0ms1619×body640valid
221.0ms920×body320valid
160.0ms3005×body80valid
136.0ms2297×body80nan
76.0ms453×body160valid
31.0msbody5120valid