Details

Time bar (total: 4.4s)

sample45.0ms

Algorithm
intervals
Results
13.0ms57×body1280valid
6.0ms40×body640valid
6.0ms128×body80valid
5.0ms239×body80nan
2.0ms19×body320valid
1.0ms12×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.0b

localize7.0ms

Local error

Found 2 expressions with local error:

2.2b
(log (+ N 1.0))
3.3b
(- (log (+ N 1.0)) (log N))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×log-prod
pow1 add-sqr-sqrt
add-cube-cbrt log-pow
log-div associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
5.0ms
(log (+ N 1.0))
14.0ms
(- (log (+ N 1.0)) (log N))

series143.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(log (+ N 1.0))
96.0ms
(- (log (+ N 1.0)) (log N))

simplify54.0ms

Counts
47 → 47
Iterations

Useful iterations: 3 (50.0ms)

IterNodesCost
0212281
1547264
21875250
35001247
done5001247

prune106.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
3.5b
(log (/ (+ N 1.0) N))

rewrite28.0ms

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 div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 60
Calls
2 calls:
19.0ms
(/ (+ N 1.0) N)
6.0ms
(log (/ (+ N 1.0) N))

series138.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(/ (+ N 1.0) N)
83.0ms
(log (/ (+ N 1.0) N))

simplify101.0ms

Counts
66 → 66
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0233373
1773351
23489339
35002339
done5002339

prune113.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (/ (sqrt (+ N 1.0)) N))
0.2b
(/ (sqrt (+ N 1.0)) N)
2.2b
(log (sqrt (+ N 1.0)))
3.2b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
80×*-un-lft-identity
64×log-prod
63×times-frac
52×add-sqr-sqrt add-cube-cbrt
48×sqrt-prod
25×associate-+r+
16×distribute-lft-out
11×pow1
10×add-exp-log
log-pow
associate-+l+ associate-/l*
log-div sqrt-div add-cbrt-cube
flip3-+ flip-+ add-log-exp
rem-log-exp associate-/r* div-inv
associate-+l- div-exp associate-/l/
cbrt-undiv +-commutative associate-+r- frac-2neg sqrt-pow1 pow1/2 clear-num sum-log
Counts
4 → 151
Calls
4 calls:
7.0ms
(log (/ (sqrt (+ N 1.0)) N))
19.0ms
(/ (sqrt (+ N 1.0)) N)
6.0ms
(log (sqrt (+ N 1.0)))
24.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

series535.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(log (/ (sqrt (+ N 1.0)) N))
74.0ms
(/ (sqrt (+ N 1.0)) N)
83.0ms
(log (sqrt (+ N 1.0)))
232.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

simplify47.0ms

Counts
163 → 163
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
05071381
115211277
250011171
done50011171

prune366.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (sqrt (+ N 1.0)))
2.2b
(log (sqrt (+ N 1.0)))
2.2b
(log (sqrt (+ N 1.0)))
3.2b
(+ (pow (log (sqrt (+ N 1.0))) 3) (pow (log (/ (sqrt (+ N 1.0)) N)) 3))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
26×pow1
25×log-pow
21×log-prod
20×distribute-lft-out
16×unpow-prod-down cube-prod
12×sqrt-prod
10×add-sqr-sqrt add-cube-cbrt
add-exp-log
log-div sqrt-div add-log-exp
flip3-+ add-cbrt-cube flip-+
sqrt-pow1 pow1/2 rem-log-exp
+-commutative sum-log sum-cubes
Counts
4 → 89
Calls
4 calls:
6.0ms
(log (sqrt (+ N 1.0)))
6.0ms
(log (sqrt (+ N 1.0)))
6.0ms
(log (sqrt (+ N 1.0)))
44.0ms
(+ (pow (log (sqrt (+ N 1.0))) 3) (pow (log (/ (sqrt (+ N 1.0)) N)) 3))

series757.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(log (sqrt (+ N 1.0)))
83.0ms
(log (sqrt (+ N 1.0)))
77.0ms
(log (sqrt (+ N 1.0)))
513.0ms
(+ (pow (log (sqrt (+ N 1.0))) 3) (pow (log (/ (sqrt (+ N 1.0)) N)) 3))

simplify64.0ms

Counts
101 → 101
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
07061109
127761035
250021035
done50021035

prune381.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes26.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 29.0b

bsearch29.0ms

Steps
ItersRangePoint
9
51.26549425761527
15794870057.515802
9256.9590468846

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02410
12410
done2410

end0.0ms

sample1.3s

Algorithm
intervals
Results
413.0ms1730×body1280valid
184.0ms7837×body80nan
180.0ms1215×body640valid
170.0ms4129×body80valid
58.0ms614×body320valid
19.0ms312×body160valid