Details

Time bar (total: 13.7s)

sample122.0ms

Algorithm
intervals
Results
38.0ms55×body1280valid
25.0ms39×body640valid
19.0ms251×body80nan
16.0ms135×body80valid
5.0ms17×body320valid
2.0ms10×body160valid

simplify21.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
21.0ms
(- (log (+ N 1)) (log N))

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.1b

localize18.0ms

Local error

Found 1 expressions with local error:

1.8b
(- (log1p N) (log N))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×add-sqr-sqrt prod-diff
10×add-cube-cbrt
pow1
log-pow
log-prod fma-neg associate--r+
diff-log distribute-lft-out-- add-log-exp
expm1-log1p-u log1p-udef sub-neg flip3-- add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u flip-- difference-of-squares
Counts
1 → 37
Calls
1 calls:
Slowest
13.0ms
(- (log1p N) (log N))

series77.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
77.0ms
(- (log1p N) (log N))

simplify2.2s

Counts
38 → 40
Calls
38 calls:
Slowest
198.0ms
(fma (* (cbrt (log1p N)) (cbrt (log1p N))) (cbrt (log1p N)) (- (* (cbrt (log N)) (* (cbrt (log N)) (cbrt (log N))))))
193.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
187.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
164.0ms
(- N (+ (log N) (* 1/2 (pow N 2))))
151.0ms
(fma (- (cbrt (log N))) (* (cbrt (log N)) (cbrt (log N))) (* (cbrt (log N)) (* (cbrt (log N)) (cbrt (log N)))))

prune385.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 2 expressions with local error:

2.0b
(log (/ (+ 1 N) N))
0.0b
(/ (+ 1 N) N)

rewrite26.0ms

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*
expm1-log1p-u div-exp rem-log-exp insert-posit16 log1p-expm1-u div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 66
Calls
2 calls:
Slowest
18.0ms
(/ (+ 1 N) N)
7.0ms
(log (/ (+ 1 N) N))

series141.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
75.0ms
(/ (+ 1 N) N)
66.0ms
(log (/ (+ 1 N) N))

simplify1.9s

Counts
57 → 72
Calls
57 calls:
Slowest
330.0ms
(/ (* (* (+ 1 N) (+ 1 N)) (+ 1 N)) (* (* N N) N))
229.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
200.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
150.0ms
(log (/ (* (cbrt (+ 1 N)) (cbrt (+ 1 N))) (* (cbrt N) (cbrt N))))
148.0ms
(- N (+ (log N) (* 1/2 (pow N 2))))

prune516.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 1 expressions with local error:

2.0b
(log (+ (/ 1 N) 1))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt distribute-lft-out
expm1-log1p-u flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ insert-posit16 log1p-expm1-u div-inv add-log-exp
Counts
1 → 19
Calls
1 calls:
Slowest
6.0ms
(log (+ (/ 1 N) 1))

series31.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
31.0ms
(log (+ (/ 1 N) 1))

simplify1.1s

Counts
11 → 22
Calls
11 calls:
Slowest
368.0ms
(log (+ (pow (/ 1 N) 3) (pow 1 3)))
219.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
188.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
158.0ms
(- N (+ (log N) (* 1/2 (pow N 2))))
108.0ms
(log (- (* (/ 1 N) (/ 1 N)) (* 1 1)))

prune129.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 3 expressions with local error:

2.0b
(log (+ (/ 1 N) 1))
0.7b
(exp (log (log (+ (/ 1 N) 1))))
0.0b
(log (log (+ (/ 1 N) 1)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
13×log-prod
10×*-un-lft-identity
pow1
add-sqr-sqrt add-cube-cbrt
add-exp-log log-pow
exp-prod exp-sum
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp
log-div rem-log-exp distribute-lft-out
flip3-+ flip-+ div-inv rem-exp-log
Counts
3 → 54
Calls
3 calls:
Slowest
9.0ms
(log (+ (/ 1 N) 1))
6.0ms
(log (log (+ (/ 1 N) 1)))
3.0ms
(exp (log (log (+ (/ 1 N) 1))))

series124.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
52.0ms
(log (log (+ (/ 1 N) 1)))
45.0ms
(exp (log (log (+ (/ 1 N) 1))))
27.0ms
(log (+ (/ 1 N) 1))

simplify2.5s

Counts
31 → 63
Calls
31 calls:
Slowest
319.0ms
(log (+ (pow (/ 1 N) 3) (pow 1 3)))
300.0ms
(- (+ (* 5/24 (/ 1 (pow N 2))) (log (/ 1 N))) (* 1/2 (/ 1 N)))
219.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
208.0ms
(- (+ (* 1/3 (/ 1 (pow N 3))) (/ 1 N)) (* 1/2 (/ 1 (pow N 2))))
205.0ms
(- (+ (* 1/2 (/ (pow N 2) (log N))) (log (- (log N)))) (+ (/ N (log N)) (* 1/2 (/ (pow N 2) (pow (log N) 2)))))

prune484.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes40.0ms

Accuracy

99% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 3.4b

bsearch33.0ms

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.1s1780×body1280valid
1.0s7972×body80nan
609.0ms1247×body640valid
475.0ms4082×body80valid
156.0ms607×body320valid
47.0ms284×body160valid