Details

Time bar (total: 1.6s)

analyze1.0ms

Algorithm
search
Search
TrueOtherFalseIter
0%100%0%0
100%0%0%1

sample29.0ms

Algorithm
intervals
Results
16.0ms109×body1280valid
4.0ms116×body80valid
2.0ms15×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
077
177

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 14.8b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.9b
(- (atan (+ N 1.0)) (atan N))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 21
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

series3.0ms

Counts
2 → 6
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
2.0ms
(- (atan (+ N 1.0)) (atan N))

simplify21.0ms

Algorithm
egg-herbie
Counts
27 → 27
Iterations

Useful iterations: 0 (18.0ms)

IterNodesCost
05041236

prune38.0ms

Filtered
19 candidates to 27 candidates (-42.1%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New26127
Fresh000
Picked101
Done000
Total27128

Merged error: 0.5b

Counts
28 → 1

localize6.0ms

Local error

Found 1 expressions with local error:

0.5b
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
Counts
1 → 7
Calls
1 calls:
1.0ms
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

series2.0ms

Counts
1 → 3
Calls
1 calls:
2.0ms
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

simplify124.0ms

Algorithm
egg-herbie
Counts
10 → 10
Iterations

Useful iterations: 0 (121.0ms)

IterNodesCost
04712109
14712109

prune24.0ms

Filtered
8 candidates to 10 candidates (-25.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New7310
Fresh000
Picked011
Done000
Total7411

Merged error: 0.4b

Counts
11 → 4

localize10.0ms

Local error

Found 4 expressions with local error:

0.5b
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
18.6b
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
18.6b
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
18.6b
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log add-cbrt-cube add-log-exp
pow1/3
Counts
4 → 40
Calls
4 calls:
1.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
3.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
1.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
1.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

series98.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
33.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
31.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
32.0ms
(cbrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

simplify45.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 0 (40.0ms)

IterNodesCost
04909621
14909621

prune135.0ms

Filtered
37 candidates to 52 candidates (-40.5%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New51152
Fresh022
Picked011
Done011
Total51556

Merged error: 0.4b

Counts
56 → 5

localize10.0ms

Local error

Found 3 expressions with local error:

0.5b
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
1.3b
(exp (log (atan2 1.0 (+ 1 (* N (+ 1.0 N))))))
18.9b
(log (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt log-prod *-un-lft-identity
pow1
add-exp-log exp-prod
exp-sum add-cbrt-cube add-log-exp
log-pow
rem-log-exp rem-exp-log
Counts
3 → 34
Calls
3 calls:
1.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
2.0ms
(exp (log (atan2 1.0 (+ 1 (* N (+ 1.0 N))))))
1.0ms
(log (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

series25.0ms

Counts
3 → 9
Calls
3 calls:
2.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
2.0ms
(exp (log (atan2 1.0 (+ 1 (* N (+ 1.0 N))))))
21.0ms
(log (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

simplify57.0ms

Algorithm
egg-herbie
Counts
43 → 43
Iterations

Useful iterations: 0 (52.0ms)

IterNodesCost
04812476
14812476

prune59.0ms

Filtered
26 candidates to 43 candidates (-65.4%)
Pruning

5 alts after pruning (2 fresh and 3 done)

PrunedKeptTotal
New43043
Fresh022
Picked011
Done022
Total43548

Merged error: 0.4b

Counts
48 → 5

regimes36.0ms

Accuracy

0% (0.0b remaining)

Error of 0.3b against oracle of 0.3b and baseline of 0.3b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0119
1119

end0.0ms

analyze1.0ms

Algorithm
search
Search
TrueOtherFalseIter
0%100%0%0
100%0%0%1

sample808.0ms

Algorithm
intervals
Results
442.0ms2821×body1280valid
144.0ms4090×body80valid
81.0ms636×body640valid
29.0ms295×body320valid
11.0ms158×body160valid

Profiling

Loading profile data...