Details

Time bar (total: 21.2s)

sample232.0ms

Algorithm
intervals
Results
90.0ms80×body1280valid
73.0ms27×body2560valid
23.0ms52×body640valid
8.0ms31×body320valid
6.0ms86×body80valid
4.0ms71×body80nan
2.0ms15×body160valid

simplify1.4s

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

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 43.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.8b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
6.0b
(pow (+ 1.0 (/ i n)) n)
9.9b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite985.0ms

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:
410.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
158.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
30.0ms
(pow (+ 1.0 (/ i n)) n)
368.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
476.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
325.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
562.0ms
(pow (+ 1.0 (/ i n)) n)
439.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify704.0ms

Counts
293 → 293
Iterations
IterNodes
done5001
11418
0437

prune1.6s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 20.7b

localize26.0ms

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)))
10.6b
(* (log 1.0) (* (* i i) 0.5))
16.6b
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

rewrite591.0ms

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:
15.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
278.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
47.0ms
(* (log 1.0) (* (* i i) 0.5))
241.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

series788.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(+ (* (* i i) 0.5) (* 1.0 i))
274.0ms
(* 100.0 (/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n)))
210.0ms
(* (log 1.0) (* (* i i) 0.5))
221.0ms
(/ (+ (+ (* (* i i) 0.5) (* 1.0 i)) (- (* n (log 1.0)) (* (log 1.0) (* (* i i) 0.5)))) (/ i n))

simplify409.0ms

Counts
215 → 215
Iterations
IterNodes
done5000
11064
0336

prune989.0ms

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 10.7b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 100.0 (* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)))
2.6b
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)
10.6b
(* (log 1.0) (- n (* i (* i 0.5))))
12.9b
(* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n))

rewrite316.0ms

Algorithm
rewrite-expression-head
Rules
67×associate-*r/
62×add-exp-log
38×add-cbrt-cube
35×prod-exp
32×associate-*l/
23×pow1 associate-*l*
20×add-sqr-sqrt frac-add
19×cbrt-unprod
16×*-un-lft-identity add-cube-cbrt
15×flip3-+ flip-+
12×frac-times
11×flip3-- pow-prod-down flip--
times-frac
div-exp associate-*r*
cbrt-undiv rec-exp 1-exp *-commutative add-log-exp
distribute-rgt-in sub-neg distribute-lft-in unswap-sqr
log-pow div-inv
Counts
4 → 140
Calls
4 calls:
178.0ms
(* 100.0 (* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)))
41.0ms
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)
14.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
77.0ms
(* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n))

series750.0ms

Counts
4 → 12
Calls
4 calls:
226.0ms
(* 100.0 (* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)))
146.0ms
(* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n)
177.0ms
(* (log 1.0) (- n (* i (* i 0.5))))
200.0ms
(* (/ 1 i) (* (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) n))

simplify355.0ms

Counts
152 → 152
Iterations
IterNodes
done5000
1951
0287

prune825.0ms

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 10.7b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(* i (+ (* i 0.5) 1.0))
0.1b
(* (/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i) (* n 100.0))
10.1b
(/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i)
10.6b
(* (log 1.0) (- n (* i (* i 0.5))))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
23×*-un-lft-identity add-cube-cbrt
22×add-cbrt-cube add-exp-log
20×associate-*l*
18×times-frac
14×pow1
12×associate-*r/
prod-exp cbrt-unprod
associate-*r*
associate-/l/
pow-prod-down
flip3-+ frac-add flip-+ add-log-exp
distribute-rgt-in cbrt-undiv associate-/r* distribute-lft-in flip3-- div-exp *-commutative flip-- associate-/l*
sub-neg div-inv unswap-sqr
clear-num frac-2neg associate-*l/ log-pow
Counts
4 → 113
Calls
4 calls:
20.0ms
(* i (+ (* i 0.5) 1.0))
43.0ms
(* (/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i) (* n 100.0))
41.0ms
(/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i)
14.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

series606.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(* i (+ (* i 0.5) 1.0))
217.0ms
(* (/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i) (* n 100.0))
143.0ms
(/ (+ (* i (+ (* i 0.5) 1.0)) (* (log 1.0) (- n (* i (* i 0.5))))) i)
173.0ms
(* (log 1.0) (- n (* i (* i 0.5))))

simplify1.3s

Counts
125 → 125
Iterations
IterNodes
done5001
24025
1696
0224

prune541.0ms

Pruning

22 alts after pruning (20 fresh and 2 done)

Merged error: 10.7b

regimes365.0ms

Accuracy

55.8% (9.4b remaining)

Error of 20.5b against oracle of 11.1b and baseline of 32.3b

bsearch430.0ms

Steps
ItersRangePoint
9
1.163556109256494e+295
1.214614523789834e+300
1.844738975002478e+296
10
3.342414265731644e+225
5.061750323853299e+237
8.608246042115979e+235
9
3.955388158466523e-19
1.5375988180684124e-09
1.5086524363033694e-09
9
-346749.28651926527
-0.4133142809703875
-0.9893212200252494

simplify9.0ms

Iterations
IterNodes
done81
181
058

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.6s2642×body1280valid
1.8s887×body2560valid
586.0ms1648×body640valid
163.0ms864×body320valid
153.0ms2969×body80valid
119.0ms2291×body80nan
83.0ms450×body160valid
29.0msbody5120valid