Details

Time bar (total: 17.6s)

sample97.0ms

Algorithm
intervals
Results
30.0ms54×body1280valid
23.0ms247×body80nan
12.0ms131×body80valid
12.0ms34×body640valid
5.0ms20×body320valid
2.0ms17×body160valid

simplify16.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
16.0ms
(- (log (+ N 1)) (log N))

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.0b

localize11.0ms

Local error

Found 2 expressions with local error:

4.9b
(- (log (+ N 1)) (log N))
2.0b
(log (+ N 1))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×log-prod
add-sqr-sqrt pow1
log-pow add-cube-cbrt
log-div associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- flip3-+ add-cbrt-cube flip-+ insert-posit16 distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 43
Calls
2 calls:
Slowest
8.0ms
(- (log (+ N 1)) (log N))
3.0ms
(log (+ N 1))

series104.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
79.0ms
(- (log (+ N 1)) (log N))
25.0ms
(log (+ N 1))

simplify1.6s

Counts
29 → 49
Calls
29 calls:
Slowest
381.0ms
(- (+ (/ 1 N) (log -1)) (+ (* 1/2 (/ 1 (pow N 2))) (log (/ -1 N))))
185.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
162.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
154.0ms
(- (+ N (* 1/3 (pow N 3))) (* 1/2 (pow N 2)))
139.0ms
(- (/ 1 N) (+ (* 1/2 (/ 1 (pow N 2))) (log (/ 1 N))))

prune425.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 2 expressions with local error:

5.1b
(log (/ (+ N 1) N))
0.0b
(/ (+ N 1) N)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
24×times-frac
19×add-sqr-sqrt add-cube-cbrt
16×log-prod
add-exp-log distribute-lft-out
add-cbrt-cube associate-/l*
pow1 associate-/r*
div-exp rem-log-exp insert-posit16 div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 62
Calls
2 calls:
Slowest
26.0ms
(/ (+ N 1) N)
5.0ms
(log (/ (+ N 1) N))

series157.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
81.0ms
(/ (+ N 1) N)
76.0ms
(log (/ (+ N 1) N))

simplify1.9s

Counts
57 → 68
Calls
57 calls:
Slowest
344.0ms
(/ (* (* (+ N 1) (+ N 1)) (+ N 1)) (* (* N N) N))
251.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
185.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
132.0ms
(log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (* (cbrt N) (cbrt N))))
103.0ms
(- N (+ (log N) (* 1/2 (pow N 2))))

prune495.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

5.2b
(log (sqrt (/ (+ N 1) N)))
5.2b
(log (sqrt (/ (+ N 1) N)))
0.1b
(sqrt (/ (+ N 1) N))
0.1b
(sqrt (/ (+ N 1) N))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
64×sqrt-prod
62×*-un-lft-identity
50×times-frac
44×add-sqr-sqrt
38×log-prod add-cube-cbrt
12×distribute-lft-out
10×pow1
add-exp-log log-pow
rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 sqrt-div insert-posit16 div-inv add-log-exp
log-div rem-log-exp
Counts
4 → 122
Calls
4 calls:
Slowest
8.0ms
(log (sqrt (/ (+ N 1) N)))
5.0ms
(sqrt (/ (+ N 1) N))
5.0ms
(sqrt (/ (+ N 1) N))
4.0ms
(log (sqrt (/ (+ N 1) N)))

series321.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
117.0ms
(log (sqrt (/ (+ N 1) N)))
107.0ms
(log (sqrt (/ (+ N 1) N)))
61.0ms
(sqrt (/ (+ N 1) N))
36.0ms
(sqrt (/ (+ N 1) N))

simplify2.7s

Counts
96 → 134
Calls
96 calls:
Slowest
217.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))
197.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))
196.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))
191.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))
143.0ms
(- (+ (* 1/2 (/ 1 N)) 1) (* 1/8 (/ 1 (pow N 2))))

prune1.4s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

5.2b
(log (sqrt (/ (+ N 1) N)))
5.1b
(log (/ (+ N 1) N))
0.1b
(sqrt (/ (+ N 1) N))
0.0b
(/ (+ N 1) N)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
64×*-un-lft-identity
49×times-frac
41×add-sqr-sqrt
38×add-cube-cbrt
35×log-prod
32×sqrt-prod
13×distribute-lft-out
10×add-exp-log
pow1
add-cbrt-cube
log-pow insert-posit16 div-inv associate-/l* add-log-exp
associate-/r* rem-log-exp
rem-sqrt-square log-div sqrt-pow1 pow1/2 sqrt-div div-exp associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ flip-+
Counts
4 → 123
Calls
4 calls:
Slowest
13.0ms
(/ (+ N 1) N)
5.0ms
(sqrt (/ (+ N 1) N))
5.0ms
(log (sqrt (/ (+ N 1) N)))
4.0ms
(log (/ (+ N 1) N))

series243.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
81.0ms
(log (sqrt (/ (+ N 1) N)))
79.0ms
(/ (+ N 1) N)
44.0ms
(log (/ (+ N 1) N))
40.0ms
(sqrt (/ (+ N 1) N))

simplify3.1s

Counts
105 → 135
Calls
105 calls:
Slowest
283.0ms
(/ (* (* (+ N 1) (+ N 1)) (+ N 1)) (* (* N N) N))
229.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
205.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
187.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))
168.0ms
(- (+ (* 1/6 (/ 1 (pow N 3))) (* 1/2 (/ 1 N))) (* 1/4 (/ 1 (pow N 2))))

prune1.3s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

regimes72.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 29.4b

bsearch51.0ms

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.1s1793×body1280valid
1.1s7957×body80nan
500.0ms1203×body640valid
379.0ms4072×body80valid
194.0ms618×body320valid
50.0ms314×body160valid