Details

Time bar (total: 26.8s)

sample208.0ms

Algorithm
intervals
Results
73.0ms79×body1280valid
70.0ms28×body2560valid
25.0ms54×body640valid
8.0ms32×body320valid
7.0ms99×body80valid
3.0ms58×body80nan
2.0ms13×body160valid

simplify2.1s

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

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.8b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.6b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
4.9b
(pow (+ 1.0 (/ i n)) n)
8.9b
(/ (- (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:
442.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
221.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
16.0ms
(pow (+ 1.0 (/ i n)) n)
490.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.6s

Counts
4 → 12
Calls
4 calls:
510.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
324.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
276.0ms
(pow (+ 1.0 (/ i n)) n)
463.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.9s

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune2.2s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 20.0b

localize57.0ms

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)))
8.9b
(* (* 0.5 (log 1.0)) (* i i))
15.2b
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

rewrite121.0ms

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))
39.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
44.0ms
(* (* 0.5 (log 1.0)) (* i i))
31.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

series810.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(fma (* i i) 0.5 (* 1.0 i))
235.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
242.0ms
(* (* 0.5 (log 1.0)) (* i i))
247.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify1.2s

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.3s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 10.4b

localize64.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) 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)
8.4b
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
8.9b
(* (* 0.5 (log 1.0)) (* i i))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
26×add-sqr-sqrt
23×pow1
21×*-un-lft-identity add-cube-cbrt
19×times-frac
17×associate-*r*
15×prod-exp cbrt-unprod
12×pow-prod-down
associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* div-exp *-commutative associate-/l*
associate-*r/ div-inv unswap-sqr associate-/l/
clear-num frac-2neg flip3-- div-sub associate-*l/ flip--
Counts
4 → 113
Calls
4 calls:
19.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i))
35.0ms
(* (* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)) n)
13.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
41.0ms
(* (* 0.5 (log 1.0)) (* i i))

series832.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i))
247.0ms
(* (* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)) n)
195.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
204.0ms
(* (* 0.5 (log 1.0)) (* i i))

simplify2.4s

Counts
125 → 125
Iterations
IterNodes
done5002
23321
1571
0202

prune750.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 10.4b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 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))) (/ 1 i))) n)
8.6b
(* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i))
8.9b
(* (* 0.5 (log 1.0)) (* i i))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
62×add-exp-log
44×add-cbrt-cube
36×prod-exp
32×pow1
24×cbrt-unprod
21×add-sqr-sqrt
18×associate-*r* pow-prod-down
15×*-un-lft-identity associate-*r/
14×add-cube-cbrt
12×associate-*l/
11×times-frac
associate-*l*
frac-times flip3-- div-exp flip--
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
cbrt-undiv rec-exp 1-exp un-div-inv unswap-sqr
div-inv
Counts
4 → 129
Calls
4 calls:
32.0ms
(* 100.0 (* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i)))
117.0ms
(* (* 100.0 (* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i))) n)
30.0ms
(* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i))
23.0ms
(* (* 0.5 (log 1.0)) (* i i))

series761.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(* 100.0 (* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i)))
214.0ms
(* (* 100.0 (* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i))) n)
164.0ms
(* (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ 1 i))
215.0ms
(* (* 0.5 (log 1.0)) (* i i))

simplify1.0s

Counts
141 → 141
Iterations
IterNodes
done5000
1688
0236

prune839.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 10.4b

regimes208.0ms

Accuracy

42.1% (13.1b remaining)

Error of 24.3b against oracle of 11.2b and baseline of 33.8b

bsearch320.0ms

Steps
ItersRangePoint
10
-8.507001710182289e-307
8.575654121239942e-297
8.43948162108991e-297
5
-2.085807323628561e+25
-8.665460962243007e+24
-1.5240705750258725e+25
8
-1.3111623360014479e+36
-4.953784207856335e+31
-4.995965210525052e+35
6
-4.468344328437476e+60
-4.544149282436552e+59
-5.46477309603401e+59

simplify10.0ms

Iterations
IterNodes
done51
151
039

end0.0ms

sample6.6s

Algorithm
intervals
Results
2.4s2575×body1280valid
2.2s917×body2560valid
704.0ms1578×body640valid
501.0ms3075×body80valid
272.0ms879×body320valid
135.0ms2237×body80nan
66.0ms457×body160valid
44.0msbody5120valid