Details

Time bar (total: 4.4s)

sample45.0ms

Algorithm
intervals
Results
10.0ms43×body1280valid
9.0ms293×body80nan
6.0ms39×body640valid
6.0ms141×body80valid
2.0ms17×body320valid
1.0ms16×body160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.0b

localize6.0ms

Local error

Found 2 expressions with local error:

2.2b
(log (+ N 1.0))
4.2b
(- (log (+ N 1.0)) (log N))

rewrite18.0ms

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:
4.0ms
(log (+ N 1.0))
12.0ms
(- (log (+ N 1.0)) (log N))

series142.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(log (+ N 1.0))
95.0ms
(- (log (+ N 1.0)) (log N))

simplify54.0ms

Algorithm
egg-herbie
Counts
47 → 47
Iterations

Useful iterations: 3 (50.0ms)

IterNodesCost
0212281
1547264
21875250
35001247

prune96.0ms

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)
4.3b
(log (/ (+ N 1.0) N))

rewrite25.0ms

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:
17.0ms
(/ (+ N 1.0) N)
6.0ms
(log (/ (+ N 1.0) N))

series138.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(/ (+ N 1.0) N)
84.0ms
(log (/ (+ N 1.0) N))

simplify103.0ms

Algorithm
egg-herbie
Counts
66 → 66
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0233373
1773351
23489339
35002339

prune106.0ms

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
(sqrt (+ N 1.0))
0.1b
(/ (sqrt (+ N 1.0)) N)
2.2b
(log (sqrt (+ N 1.0)))
4.4b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
42×times-frac
40×add-sqr-sqrt sqrt-prod
39×add-cube-cbrt log-prod
25×associate-+r+
14×distribute-lft-out
11×pow1
sqrt-div
add-exp-log associate-+l+ log-pow associate-/l*
add-cbrt-cube
log-div flip3-+ flip-+
add-log-exp
associate-/r*
associate-+l- sqrt-pow1 pow1/2 div-inv associate-/l/
cbrt-undiv +-commutative associate-+r- rem-sqrt-square frac-2neg div-exp rem-log-exp clear-num sum-log
Counts
4 → 131
Calls
4 calls:
7.0ms
(sqrt (+ N 1.0))
17.0ms
(/ (sqrt (+ N 1.0)) N)
5.0ms
(log (sqrt (+ N 1.0)))
22.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

series415.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(sqrt (+ N 1.0))
73.0ms
(/ (sqrt (+ N 1.0)) N)
82.0ms
(log (sqrt (+ N 1.0)))
229.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

simplify53.0ms

Algorithm
egg-herbie
Counts
143 → 143
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
04881120
115081022
25001928

prune297.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

2.2b
(log (sqrt (+ N 1.0)))
4.4b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
4.4b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
4.4b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
103×log-prod
92×*-un-lft-identity
75×associate-+r+
63×times-frac
54×add-sqr-sqrt add-cube-cbrt
52×sqrt-prod
25×distribute-lft-out
21×associate-+l+
18×pow1
15×log-pow
11×log-div
sqrt-div
flip3-+ flip-+
associate-+l-
add-exp-log
add-cbrt-cube add-log-exp
+-commutative associate-+r- sum-log div-inv
sqrt-pow1 pow1/2 rem-log-exp
Counts
4 → 170
Calls
4 calls:
7.0ms
(log (sqrt (+ N 1.0)))
22.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
22.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
26.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

series774.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(log (sqrt (+ N 1.0)))
227.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
232.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
231.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))

simplify111.0ms

Algorithm
egg-herbie
Counts
182 → 182
Iterations

Useful iterations: 3 (91.0ms)

IterNodesCost
03801825
110421659
241101430
350011409

prune528.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes20.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 29.2b

bsearch37.0ms

Steps
ItersRangePoint
10
177.7519823634673
3845520655822.575
8816.358696954578

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02410
12410

end0.0ms

sample1.3s

Algorithm
intervals
Results
415.0ms1744×body1280valid
176.0ms7890×body80nan
176.0ms1226×body640valid
164.0ms4117×body80valid
57.0ms613×body320valid
19.0ms300×body160valid