Details

Time bar (total: 32.1s)

sample209.0ms

Algorithm
intervals
Results
82.0ms87×body1280valid
59.0ms24×body2560valid
23.0ms52×body640valid
14.0ms32×body320valid
6.0ms93×body80valid
4.0ms80×body80nan
3.0ms19×body160valid

simplify1.7s

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

prune10.0ms

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:
456.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
184.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
29.0ms
(pow (+ 1.0 (/ i n)) n)
438.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
535.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
351.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
329.0ms
(pow (+ 1.0 (/ i n)) n)
538.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.3s

Counts
293 → 293
Iterations
IterNodes
done5001
11418
0437

prune1.7s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 21.3b

localize33.0ms

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

rewrite554.0ms

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:
28.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
235.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
40.0ms
(* (log 1.0) (* (* i i) 0.5))
234.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

series872.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
254.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
282.0ms
(* (log 1.0) (* (* i i) 0.5))
243.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

simplify1.7s

Counts
215 → 215
Iterations
IterNodes
done5000
11064
0336

prune1.1s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 12.0b

localize32.0ms

Local error

Found 4 expressions with local error:

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

rewrite270.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt add-cbrt-cube add-exp-log
15×*-un-lft-identity add-cube-cbrt
12×pow1
times-frac add-log-exp
associate-*l*
prod-exp cbrt-unprod
associate-*r* pow-prod-down
associate-/r* sum-log associate-*r/ associate-/l*
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in flip3-+ div-exp *-commutative flip-+ associate-/l/
+-commutative associate-+l+ clear-num frac-2neg flip3-- associate-*l/ log-pow div-inv flip-- unswap-sqr
Counts
4 → 88
Calls
4 calls:
46.0ms
(+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i))
103.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)) i) n))
98.0ms
(/ (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)) i)
18.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

series801.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i))
305.0ms
(* 100.0 (* (/ (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)) i) n))
176.0ms
(/ (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)) i)
211.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

simplify1.8s

Counts
100 → 100
Iterations
IterNodes
done5001
22724
1506
0186

prune455.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 12.0b

localize46.0ms

Local error

Found 4 expressions with local error:

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

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
cbrt-prod *-un-lft-identity add-cube-cbrt
pow1
cbrt-div add-cbrt-cube add-exp-log
associate-*l* add-log-exp
flip3-+ pow1/3 associate-*r* flip-+
distribute-rgt-in sub-neg distribute-lft-in associate-*r/
flip3-- pow-prod-down prod-exp log-pow *-commutative cbrt-unprod flip-- unswap-sqr
Counts
4 → 64
Calls
4 calls:
14.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
21.0ms
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))
25.0ms
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))
22.0ms
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))

series8.4s

Counts
4 → 12
Calls
4 calls:
189.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
2.6s
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))
3.0s
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))
2.5s
(cbrt (+ (+ (* (log 1.0) (- n (* i (* i 0.5)))) (* i (* i 0.5))) (* 1.0 i)))

simplify1.0s

Counts
76 → 76
Iterations
IterNodes
done5001
21371
1304
0117

prune456.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 12.0b

regimes248.0ms

Accuracy

52.6% (10.8b remaining)

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

bsearch346.0ms

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

simplify19.0ms

Iterations
IterNodes
done77
277
174
052

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.2s972×body2560valid
2.1s2441×body1280valid
691.0ms1619×body640valid
246.0ms920×body320valid
192.0ms3005×body80valid
120.0ms2297×body80nan
58.0ms453×body160valid
34.0msbody5120valid