Details

Time bar (total: 29.8s)

sample253.0ms

Algorithm
intervals
Results
97.0ms82×body1280valid
81.0ms28×body2560valid
26.0ms49×body640valid
8.0ms26×body320valid
8.0ms97×body80valid
6.0ms91×body80nan
3.0ms13×body160valid

simplify4.9s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
12515
26015
314315
435515
5107715
6442915
done500015

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
0.8b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
6.1b
(pow (+ 1.0 (/ i n)) n)
9.2b
(/ (- (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 sub-neg pow-pow frac-2neg diff-log div-sub associate-*r/ pow-prod-down pow-exp clear-num *-commutative
Counts
4 → 321
Calls
4 calls:
505.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
230.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
20.0ms
(pow (+ 1.0 (/ i n)) n)
383.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.6s

Counts
4 → 12
Calls
4 calls:
482.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
350.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
306.0ms
(pow (+ 1.0 (/ i n)) n)
497.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify2.4s

Counts
333 → 333
Iterations

Useful iterations: done (2.4s)

IterNodesCost
04797415
112756800
239406406
done50006350

prune1.1s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 19.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ n (/ i (- (pow (/ i n) n) 1.0)))
0.1b
(* 100.0 (/ n (/ i (- (pow (/ i n) n) 1.0))))
1.1b
(- (pow (/ i n) n) 1.0)
4.6b
(pow (/ i n) n)

rewrite387.0ms

Algorithm
rewrite-expression-head
Rules
418×times-frac
393×add-sqr-sqrt
252×*-un-lft-identity
208×add-cube-cbrt
109×unpow-prod-down
95×associate-*r*
88×difference-of-squares
51×prod-diff
30×associate-/r*
27×sqr-pow
22×distribute-lft-out--
21×add-exp-log
18×add-cbrt-cube
17×fma-neg
16×associate-/r/
14×div-inv
flip3-- flip--
pow1 div-exp
cbrt-undiv add-log-exp
expm1-log1p-u log1p-expm1-u
pow-unpow associate-*l* prod-exp cbrt-unprod associate-/l* unswap-sqr
pow-exp
pow-to-exp sub-neg pow-pow frac-2neg diff-log associate-*r/ pow-prod-down clear-num *-commutative
Counts
4 → 376
Calls
4 calls:
82.0ms
(/ n (/ i (- (pow (/ i n) n) 1.0)))
184.0ms
(* 100.0 (/ n (/ i (- (pow (/ i n) n) 1.0))))
73.0ms
(- (pow (/ i n) n) 1.0)
10.0ms
(pow (/ i n) n)

series476.0ms

Counts
4 → 12
Calls
4 calls:
144.0ms
(/ n (/ i (- (pow (/ i n) n) 1.0)))
178.0ms
(* 100.0 (/ n (/ i (- (pow (/ i n) n) 1.0))))
98.0ms
(- (pow (/ i n) n) 1.0)
55.0ms
(pow (/ i n) n)

simplify1.5s

Counts
388 → 388
Iterations

Useful iterations: done (1.5s)

IterNodesCost
06578161
115987226
done50016788

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 16.7b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (/ i (- (pow (/ i n) n) 1.0)))
0.1b
(* (* 100.0 n) (/ 1 (/ i (- (pow (/ i n) n) 1.0))))
1.1b
(- (pow (/ i n) n) 1.0)
4.6b
(pow (/ i n) n)

rewrite277.0ms

Algorithm
rewrite-expression-head
Rules
415×times-frac
383×add-sqr-sqrt
251×*-un-lft-identity
207×add-cube-cbrt
109×unpow-prod-down
95×associate-*r*
88×difference-of-squares
63×add-exp-log
51×prod-diff
30×associate-/r* add-cbrt-cube
27×sqr-pow
22×div-exp distribute-lft-out--
21×prod-exp
17×fma-neg
16×associate-/r/
14×div-inv
11×pow1
cbrt-undiv cbrt-unprod
flip3-- flip--
rec-exp 1-exp add-log-exp
expm1-log1p-u log1p-expm1-u
pow-unpow pow-prod-down associate-/l*
pow-exp
pow-to-exp sub-neg pow-flip pow-pow frac-2neg diff-log associate-*r/ associate-*l* clear-num un-div-inv *-commutative inv-pow
Counts
4 → 393
Calls
4 calls:
55.0ms
(/ 1 (/ i (- (pow (/ i n) n) 1.0)))
113.0ms
(* (* 100.0 n) (/ 1 (/ i (- (pow (/ i n) n) 1.0))))
73.0ms
(- (pow (/ i n) n) 1.0)
10.0ms
(pow (/ i n) n)

series441.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(/ 1 (/ i (- (pow (/ i n) n) 1.0)))
162.0ms
(* (* 100.0 n) (/ 1 (/ i (- (pow (/ i n) n) 1.0))))
87.0ms
(- (pow (/ i n) n) 1.0)
73.0ms
(pow (/ i n) n)

simplify2.9s

Counts
405 → 405
Iterations

Useful iterations: done (2.9s)

IterNodesCost
06618676
117697090
248406381
done50006376

prune1.1s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 16.7b

localize16.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
6.1b
(pow (+ 1.0 (/ i n)) n)
6.1b
(pow (+ 1.0 (/ i n)) n)
6.1b
(pow (+ 1.0 (/ i n)) n)

rewrite271.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
31×add-sqr-sqrt
29×unpow-prod-down
26×add-cube-cbrt
24×prod-diff
pow-unpow
fma-neg sqr-pow
pow1 add-exp-log distribute-lft-out
add-log-exp
expm1-log1p-u add-cbrt-cube log1p-expm1-u
pow-to-exp pow-pow pow-exp difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 110
Calls
4 calls:
205.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
20.0ms
(pow (+ 1.0 (/ i n)) n)
18.0ms
(pow (+ 1.0 (/ i n)) n)
24.0ms
(pow (+ 1.0 (/ i n)) n)

series995.0ms

Counts
4 → 12
Calls
4 calls:
279.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
236.0ms
(pow (+ 1.0 (/ i n)) n)
242.0ms
(pow (+ 1.0 (/ i n)) n)
237.0ms
(pow (+ 1.0 (/ i n)) n)

simplify1.5s

Counts
122 → 122
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01291939
12781579
25761414
317941282
done50011252

prune330.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 16.7b

regimes191.0ms

Accuracy

51.7% (13.2b remaining)

Error of 30.0b against oracle of 16.8b and baseline of 44.1b

bsearch563.0ms

Steps
ItersRangePoint
7
1.466106254315184e+230
4.2050101804867395e+231
2.568245662391043e+231
11
3.173232095275158e+114
4.61796087672408e+142
9.944860624286458e+141
9
1.2167838917470026e-32
3.39002248453449e-27
3.332988420430884e-27
9
-123126161593.44334
-41918.349557210015
-42606.74875587942

simplify13.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
091217
1117217
done117217

end0.0ms

sample5.9s

Algorithm
intervals
Results
2.4s989×body2560valid
1.9s2515×body1280valid
521.0ms1615×body640valid
256.0ms856×body320valid
209.0ms2973×body80valid
159.0ms2337×body80nan
83.0ms443×body160valid
15.0msbody5120valid