Details

Time bar (total: 21.6s)

sample312.0ms

Algorithm
intervals
Results
120.0ms80×body1280valid
101.0ms27×body2560valid
32.0ms52×body640valid
11.0ms31×body320valid
9.0ms86×body80valid
6.0ms71×body80nan
3.0ms15×body160valid

simplify1.5s

Counts
1 → 1
Iterations
IterNodes
done5000
51593
4364
3144
260
125
010

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 43.0b

localize15.0ms

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))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
320×times-frac
305×add-sqr-sqrt
222×*-un-lft-identity
156×add-cube-cbrt
96×associate-*r*
84×difference-of-squares
48×unpow-prod-down
33×sqr-pow
28×distribute-lft-out--
24×prod-diff
19×add-exp-log
18×add-cbrt-cube
17×div-inv
13×associate-/r*
fma-neg
pow1 associate-/l*
cbrt-undiv div-exp add-log-exp
distribute-lft-out
expm1-log1p-u log1p-expm1-u
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
Counts
4 → 321
Calls
4 calls:
458.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
224.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
414.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.9s

Counts
4 → 12
Calls
4 calls:
599.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
340.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
294.0ms
(pow (+ 1.0 (/ i n)) n)
656.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify884.0ms

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune1.8s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 20.8b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* i i) 0.5 (* 1.0 i))
0.1b
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
10.6b
(* (* 0.5 (log 1.0)) (* i i))
16.6b
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
91×add-sqr-sqrt
82×*-un-lft-identity add-cube-cbrt
45×associate-*r*
30×add-cbrt-cube add-exp-log
18×pow1
13×associate-/r*
11×prod-exp cbrt-unprod
pow-prod-down div-inv
cbrt-undiv div-exp
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
associate-/l* unswap-sqr
associate-/r/ *-commutative associate-/l/
clear-num frac-2neg flip3-- div-sub associate-*r/ fma-udef flip--
Counts
4 → 177
Calls
4 calls:
0.0ms
(fma (* i i) 0.5 (* 1.0 i))
30.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
48.0ms
(* (* 0.5 (log 1.0)) (* i i))
19.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

series1.1s

Counts
4 → 12
Calls
4 calls:
70.0ms
(fma (* i i) 0.5 (* 1.0 i))
608.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
213.0ms
(* (* 0.5 (log 1.0)) (* i i))
235.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify493.0ms

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.0s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 10.7b

localize27.0ms

Local error

Found 4 expressions with local error:

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

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
69×add-exp-log
45×add-cbrt-cube
40×prod-exp
30×pow1
24×cbrt-unprod
20×associate-*l*
19×add-sqr-sqrt
17×*-un-lft-identity add-cube-cbrt
16×pow-prod-down
12×associate-*l/
times-frac associate-*r* associate-*r/
div-exp
log-prod
flip3-- flip--
expm1-log1p-u frac-times cbrt-undiv rec-exp 1-exp *-commutative log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in
log-pow div-inv unswap-sqr
Counts
4 → 131
Calls
4 calls:
72.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
15.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
47.0ms
(* (* (* i i) 0.5) (log 1.0))
37.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

series774.0ms

Counts
4 → 12
Calls
4 calls:
226.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
155.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
185.0ms
(* (* (* i i) 0.5) (log 1.0))
208.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

simplify355.0ms

Counts
143 → 143
Iterations
IterNodes
done5000
1761
0253

prune633.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 10.7b

localize33.0ms

Local error

Found 4 expressions with local error:

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

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
25×*-un-lft-identity add-cube-cbrt
22×add-cbrt-cube add-exp-log
19×times-frac
18×pow1
17×associate-*l*
11×associate-*r*
prod-exp cbrt-unprod
pow-prod-down
distribute-rgt-in log-prod distribute-lft-in
associate-*l/
expm1-log1p-u associate-*r/ log1p-expm1-u add-log-exp
associate-/r* *-commutative associate-/l* unswap-sqr
cbrt-undiv sub-neg div-exp prod-diff div-inv
clear-num frac-2neg flip3-- distribute-rgt-out-- log-pow frac-sub flip-- sub-div
Counts
4 → 124
Calls
4 calls:
13.0ms
(* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n)
34.0ms
(* 100.0 (- (* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n) (* (/ (* (* (* i i) 0.5) (log 1.0)) i) n)))
6.0ms
(/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i)
47.0ms
(* (* (* i i) 0.5) (log 1.0))

series568.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n)
188.0ms
(* 100.0 (- (* (/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i) n) (* (/ (* (* (* i i) 0.5) (log 1.0)) i) n)))
87.0ms
(/ (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) i)
182.0ms
(* (* (* i i) 0.5) (log 1.0))

simplify1.6s

Counts
136 → 136
Iterations
IterNodes
done5000
23710
1644
0246

prune571.0ms

Pruning

19 alts after pruning (17 fresh and 2 done)

Merged error: 10.7b

regimes330.0ms

Accuracy

55.9% (9.3b remaining)

Error of 20.5b against oracle of 11.2b and baseline of 32.3b

bsearch442.0ms

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

simplify11.0ms

Iterations
IterNodes
done85
285
183
065

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.5s2642×body1280valid
1.7s887×body2560valid
532.0ms1648×body640valid
189.0ms864×body320valid
180.0ms2969×body80valid
147.0ms2291×body80nan
55.0ms450×body160valid
29.0msbody5120valid