Details

Time bar (total: 16.1s)

sample198.0ms

Algorithm
intervals
Results
83.0ms89×body1280valid
64.0ms29×body2560valid
22.0ms50×body640valid
7.0ms89×body80valid
5.0ms20×body320valid
4.0ms62×body80nan
2.0ms12×body160valid

simplify40.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0257
1597
21417
33467
411717
550017

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.8b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.4b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
7.1b
(pow (+ 1.0 (/ i n)) n)
10.7b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite545.0ms

Algorithm
rewrite-expression-head
Rules
320×times-frac
289×add-sqr-sqrt
198×*-un-lft-identity
140×add-cube-cbrt
96×associate-*r*
84×difference-of-squares
32×unpow-prod-down
29×sqr-pow
28×distribute-lft-out--
19×add-exp-log
18×add-cbrt-cube
17×div-inv
13×associate-/r*
pow1 associate-/l*
cbrt-undiv div-exp add-log-exp
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 distribute-lft-out
Counts
4 → 281
Calls
4 calls:
220.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
102.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
11.0ms
(pow (+ 1.0 (/ i n)) n)
194.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.2s

Counts
4 → 12
Calls
4 calls:
370.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
250.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
205.0ms
(pow (+ 1.0 (/ i n)) n)
345.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify57.0ms

Algorithm
egg-herbie
Counts
293 → 293
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
012263285
150023166

prune789.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 20.5b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
0.1b
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
10.6b
(* (pow i 2) (log 1.0))
20.5b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite277.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
102×add-sqr-sqrt
87×add-cube-cbrt *-un-lft-identity
48×associate-*r*
23×add-exp-log
20×add-cbrt-cube
13×associate-/r*
11×associate-*l*
div-inv add-log-exp
pow1 unswap-sqr
cbrt-undiv log-prod div-exp prod-exp
unpow-prod-down cbrt-unprod
distribute-rgt-in distribute-lft-in sum-log associate-/l*
associate-/r/ *-commutative associate-/l/ unpow2 sqr-pow
+-commutative pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down pow-exp clear-num log-pow flip-- flip-+
Counts
4 → 186
Calls
4 calls:
8.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
131.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
6.0ms
(* (pow i 2) (log 1.0))
124.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

series587.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
206.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
145.0ms
(* (pow i 2) (log 1.0))
191.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

simplify136.0ms

Algorithm
egg-herbie
Counts
198 → 198
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
09293610
147193341
250013341

prune661.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 9.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
4.2b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
10.6b
(* (pow i 2) (log 1.0))
14.0b
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

rewrite290.0ms

Algorithm
rewrite-expression-head
Rules
164×times-frac
127×add-sqr-sqrt
95×*-un-lft-identity
93×add-cube-cbrt
53×add-exp-log
48×associate-*r*
32×add-cbrt-cube
23×div-exp
21×associate-*l*
13×prod-exp associate-/r*
12×cbrt-undiv unswap-sqr
10×div-inv
add-log-exp
pow1 cbrt-unprod
log-prod
unpow-prod-down
distribute-rgt-in rec-exp distribute-lft-in 1-exp sum-log associate-/l*
associate-/r/ *-commutative associate-/l/ unpow2 sqr-pow
+-commutative frac-times pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down associate-*l/ pow-exp clear-num log-pow flip-- flip-+
Counts
4 → 215
Calls
4 calls:
8.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
122.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
8.0ms
(* (pow i 2) (log 1.0))
142.0ms
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

series735.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
142.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n))
333.0ms
(* (pow i 2) (log 1.0))
215.0ms
(* (/ 100.0 i) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

simplify63.0ms

Algorithm
egg-herbie
Counts
227 → 227
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
011534361
150013912

prune682.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 9.1b

localize29.0ms

Local error

Found 4 expressions with local error:

10.6b
(* (pow i 2) (log 1.0))
16.8b
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
16.8b
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
16.8b
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
198×times-frac
132×cbrt-prod
120×add-sqr-sqrt
114×add-cube-cbrt *-un-lft-identity
12×div-inv
add-exp-log
associate-*l*
log-prod add-cbrt-cube
pow1
unpow-prod-down associate-*r* add-log-exp unswap-sqr
distribute-rgt-in cbrt-div distribute-lft-in pow1/3 prod-exp associate-/r/
unpow2 sqr-pow
pow-to-exp pow-exp log-pow *-commutative cbrt-unprod
Counts
4 → 193
Calls
4 calls:
6.0ms
(* (pow i 2) (log 1.0))
32.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
29.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
30.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

series2.5s

Counts
4 → 12
Calls
4 calls:
143.0ms
(* (pow i 2) (log 1.0))
776.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
764.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))
775.0ms
(cbrt (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ 1 n)))

simplify101.0ms

Algorithm
egg-herbie
Counts
205 → 205
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
06075581
122845400
250015249

prune651.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 9.1b

regimes221.0ms

Accuracy

48% (11.5b remaining)

Error of 22.4b against oracle of 10.9b and baseline of 33.1b

bsearch392.0ms

Steps
ItersRangePoint
8
7.108389521057788e-152
9.857230472394243e-149
7.185948283350093e-152
9
-4.622874842024395e-243
-4.995401923428486e-252
-3.9974032830534776e-251
9
-5.979882189147821e+84
-8.548989080955097e+79
-2.7155205583837284e+82

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
07059
17059

end0.0ms

sample5.8s

Algorithm
intervals
Results
2.2s2461×body1280valid
2.0s956×body2560valid
707.0ms1617×body640valid
234.0ms3076×body80valid
232.0ms835×body320valid
125.0ms2193×body80nan
74.0ms433×body160valid
20.0msbody5120valid