Details

Time bar (total: 33.5s)

sample234.0ms

Algorithm
intervals
Results
97.0ms87×body1280valid
65.0ms24×body2560valid
27.0ms52×body640valid
10.0ms32×body320valid
7.0ms93×body80valid
5.0ms80×body80nan
4.0ms19×body160valid

simplify2.2s

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: 45.4b

localize35.0ms

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
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:
391.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
213.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
15.0ms
(pow (+ 1.0 (/ i n)) n)
464.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.8s

Counts
4 → 12
Calls
4 calls:
583.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
379.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
323.0ms
(pow (+ 1.0 (/ i n)) n)
521.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.9s

Counts
333 → 333
Iterations
IterNodes
done5001
11521
0479

prune2.2s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 21.3b

localize35.0ms

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

rewrite124.0ms

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))
42.0ms
(* 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))

series793.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(fma (* i i) 0.5 (* 1.0 i))
220.0ms
(* 100.0 (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n)))
241.0ms
(* (* 0.5 (log 1.0)) (* i i))
248.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) (/ i n))

simplify1.3s

Counts
189 → 189
Iterations
IterNodes
done5001
1972
0314

prune1.2s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 12.0b

localize49.0ms

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))
11.5b
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
12.1b
(* (* 0.5 (log 1.0)) (* i i))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
27×add-cbrt-cube add-exp-log
21×pow1
13×add-sqr-sqrt *-un-lft-identity prod-exp add-cube-cbrt cbrt-unprod
11×pow-prod-down
times-frac
expm1-log1p-u associate-*l* log1p-expm1-u add-log-exp
associate-/r* associate-/l*
cbrt-undiv div-exp associate-*r* *-commutative associate-/l/
clear-num frac-2neg flip3-- div-sub associate-*l/ associate-*r/ fma-udef div-inv flip--
Counts
4 → 89
Calls
4 calls:
1.0ms
(fma (* i i) 0.5 (* 1.0 i))
41.0ms
(* 100.0 (* (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i) n))
12.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
28.0ms
(* (* 0.5 (log 1.0)) (* i i))

series684.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(fma (* i i) 0.5 (* 1.0 i))
240.0ms
(* 100.0 (* (/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i) n))
162.0ms
(/ (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))) i)
188.0ms
(* (* 0.5 (log 1.0)) (* i i))

simplify2.0s

Counts
101 → 101
Iterations
IterNodes
done5000
22685
1484
0182

prune543.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 12.0b

localize48.0ms

Local error

Found 4 expressions with local error:

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

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1 add-cbrt-cube add-exp-log
cbrt-prod
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-div
expm1-log1p-u log1p-expm1-u add-log-exp
flip3-- pow1/3 flip--
associate-*r* associate-*l* *-commutative
Counts
4 → 69
Calls
4 calls:
25.0ms
(* (* 0.5 (log 1.0)) (* i i))
2.0ms
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))
2.0ms
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))
2.0ms
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))

series9.3s

Counts
4 → 12
Calls
4 calls:
189.0ms
(* (* 0.5 (log 1.0)) (* i i))
3.2s
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))
2.9s
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))
3.0s
(cbrt (- (fma n (log 1.0) (fma (* i i) 0.5 (* 1.0 i))) (* (* 0.5 (log 1.0)) (* i i))))

simplify1.2s

Counts
81 → 81
Iterations
IterNodes
done5000
21410
1297
0114

prune479.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 12.0b

regimes277.0ms

Accuracy

52.6% (10.8b remaining)

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

bsearch326.0ms

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

simplify16.0ms

Iterations
IterNodes
done63
163
050

end0.0ms

sample5.6s

Algorithm
intervals
Results
2.2s2441×body1280valid
1.9s972×body2560valid
602.0ms1619×body640valid
208.0ms3005×body80valid
173.0ms920×body320valid
117.0ms2297×body80nan
80.0ms453×body160valid
32.0msbody5120valid