Details

Time bar (total: 23.2s)

sample276.0ms

Algorithm
intervals
Results
107.0ms80×body1280valid
88.0ms27×body2560valid
27.0ms52×body640valid
10.0ms31×body320valid
8.0ms86×body80valid
5.0ms71×body80nan
3.0ms15×body160valid

simplify1.8s

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

prune14.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 43.0b

localize14.0ms

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))

rewrite1.2s

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:
463.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
252.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
16.0ms
(pow (+ 1.0 (/ i n)) n)
453.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
589.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
395.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
306.0ms
(pow (+ 1.0 (/ i n)) n)
516.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.0s

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune2.0s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 20.8b

localize50.0ms

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))

rewrite100.0ms

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))
40.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
31.0ms
(* (* 0.5 (log 1.0)) (* i i))
22.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

series821.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(fma (* i i) 0.5 (* 1.0 i))
238.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
210.0ms
(* (* 0.5 (log 1.0)) (* i i))
289.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify486.0ms

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.3s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 10.7b

localize32.0ms

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))

rewrite228.0ms

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:
100.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
17.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
55.0ms
(* (* (* i i) 0.5) (log 1.0))
46.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

series1.2s

Counts
4 → 12
Calls
4 calls:
546.0ms
(* 100.0 (* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)))
183.0ms
(* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n)
233.0ms
(* (* (* i i) 0.5) (log 1.0))
233.0ms
(* (/ 1 i) (* (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) n))

simplify473.0ms

Counts
143 → 143
Iterations
IterNodes
done5000
1761
0253

prune883.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 10.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(* i (+ (* i 0.5) 1.0))
0.1b
(* 100.0 (* 1 (* (/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i) n)))
10.1b
(/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i)
10.6b
(* (* (* i i) 0.5) (log 1.0))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
40×add-exp-log
31×add-cbrt-cube
25×pow1
24×prod-exp
20×add-sqr-sqrt
18×*-un-lft-identity add-cube-cbrt
16×cbrt-unprod
13×pow-prod-down
times-frac
associate-*r*
associate-*l*
log-prod
distribute-rgt-in expm1-log1p-u distribute-lft-in associate-*r/ log1p-expm1-u add-log-exp
associate-/r* 1-exp div-exp *-commutative associate-/l*
cbrt-undiv associate-/l/
clear-num frac-2neg flip3-+ flip3-- div-sub associate-*l/ log-pow flip-+ div-inv flip-- unswap-sqr
Counts
4 → 115
Calls
4 calls:
20.0ms
(* i (+ (* i 0.5) 1.0))
67.0ms
(* 100.0 (* 1 (* (/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i) n)))
16.0ms
(/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i)
47.0ms
(* (* (* i i) 0.5) (log 1.0))

series617.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(* i (+ (* i 0.5) 1.0))
210.0ms
(* 100.0 (* 1 (* (/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i) n)))
157.0ms
(/ (- (fma n (log 1.0) (* i (+ (* i 0.5) 1.0))) (* (* (* i i) 0.5) (log 1.0))) i)
178.0ms
(* (* (* i i) 0.5) (log 1.0))

simplify1.7s

Counts
127 → 127
Iterations
IterNodes
done5000
24802
1758
0252

prune505.0ms

Pruning

19 alts after pruning (17 fresh and 2 done)

Merged error: 10.7b

regimes327.0ms

Accuracy

55.9% (9.3b remaining)

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

bsearch423.0ms

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
done78
278
176
060

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.2s2642×body1280valid
2.0s887×body2560valid
611.0ms1648×body640valid
161.0ms864×body320valid
151.0ms2969×body80valid
119.0ms2291×body80nan
53.0ms450×body160valid
29.0msbody5120valid