Details

Time bar (total: 14.3s)

sample79.0ms

Algorithm
intervals
Results
21.0ms54×body1280valid
16.0ms253×body80nan
10.0ms142×body80valid
10.0ms35×body640valid
2.0ms14×body320valid
1.0ms11×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.8b

localize21.0ms

Local error

Found 2 expressions with local error:

2.7b
(- (log (+ 1.0 N)) (log N))
3.5b
(log (+ 1.0 N))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×add-sqr-sqrt pow1 prod-diff
14×log-pow add-cube-cbrt
11×log-prod
log-div fma-neg associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 65
Calls
2 calls:
22.0ms
(- (log (+ 1.0 N)) (log N))
8.0ms
(log (+ 1.0 N))

series221.0ms

Counts
2 → 6
Calls
2 calls:
139.0ms
(- (log (+ 1.0 N)) (log N))
82.0ms
(log (+ 1.0 N))

simplify1.1s

Counts
71 → 71
Iterations
IterNodes
done5000
21091
1287
0126

prune309.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.5b
(log (/ (+ N 1.0) N))

rewrite42.0ms

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 log1p-expm1-u div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 64
Calls
2 calls:
28.0ms
(/ (+ N 1.0) N)
10.0ms
(log (/ (+ N 1.0) N))

series207.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(/ (+ N 1.0) N)
143.0ms
(log (/ (+ N 1.0) N))

simplify624.0ms

Counts
70 → 70
Iterations
IterNodes
done5001
21063
1252
0112

prune320.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt N)
0.5b
(cbrt N)
2.6b
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
2.6b
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod
92×log-prod
84×*-un-lft-identity times-frac
60×add-sqr-sqrt add-cube-cbrt
12×distribute-lft-out
10×add-exp-log
pow1
expm1-log1p-u add-cbrt-cube rem-log-exp log1p-expm1-u add-log-exp
log-div pow1/3 div-exp log-pow div-inv
Counts
4 → 144
Calls
4 calls:
1.0ms
(cbrt N)
1.0ms
(cbrt N)
14.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
13.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))

series1.2s

Counts
4 → 12
Calls
4 calls:
329.0ms
(cbrt N)
232.0ms
(cbrt N)
320.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
309.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))

simplify1.7s

Counts
156 → 156
Iterations
IterNodes
done5000
34376
21024
1353
0183

prune1.0s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize109.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt N)
2.6b
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
2.7b
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))
2.7b
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
230×cbrt-prod
144×log-prod
126×times-frac
124×*-un-lft-identity
88×add-sqr-sqrt add-cube-cbrt
18×distribute-lft-out
add-exp-log
pow1
log-pow
expm1-log1p-u add-cbrt-cube rem-log-exp log1p-expm1-u add-log-exp
log-div pow1/3 div-inv
cbrt-div
div-exp
Counts
4 → 196
Calls
4 calls:
1.0ms
(cbrt N)
16.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
27.0ms
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))
18.0ms
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))

series1.5s

Counts
4 → 12
Calls
4 calls:
309.0ms
(cbrt N)
412.0ms
(log (/ (cbrt (+ 1.0 N)) (cbrt N)))
411.0ms
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))
401.0ms
(log (cbrt (/ (cbrt (+ N 1.0)) (cbrt N))))

simplify886.0ms

Counts
208 → 208
Iterations
IterNodes
done5000
21642
1616
0373

prune1.6s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes114.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.5b

bsearch57.0ms

Steps
ItersRangePoint
7
5787.9300826946865
261980.93535209994
15002.089224442483

simplify5.0ms

Iterations
IterNodes
done23
123
018

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.3s1783×body1280valid
425.0ms7946×body80nan
391.0ms1303×body640valid
283.0ms4055×body80valid
174.0ms557×body320valid
33.0ms302×body160valid