Details

Time bar (total: 28.0s)

sample86.0ms

Algorithm
intervals
Results
36.0ms79×body1280valid
14.0ms134×body80valid
10.0ms26×body640valid
3.0ms11×body320valid
1.0msbody160valid

simplify24.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize46.0ms

Local error

Found 2 expressions with local error:

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

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
7.0ms
(atan (+ N 1.0))
29.0ms
(- (atan (+ N 1.0)) (atan N))

series40.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(atan (+ N 1.0))
33.0ms
(- (atan (+ N 1.0)) (atan N))

simplify5.7s

Counts
46 → 46
Iterations
IterNodes
done5001
42151
3731
2279
1141
068

prune448.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.9b

localize46.0ms

Local error

Found 1 expressions with local error:

0.9b
(atan2 1.0 (fma N (+ 1.0 N) 1))

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))

series7.0ms

Counts
1 → 3
Calls
1 calls:
7.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))

simplify11.2s

Counts
13 → 13
Iterations
IterNodes
done5010
103647
91229
8744
7431
6130
594
482
362
238
126
019

prune127.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.9b

localize67.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1.0 (fma N (+ 1.0 N) 1))
0.9b
(atan2 1.0 (fma N (+ 1.0 N) 1))
13.0b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
13.0b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 52
Calls
4 calls:
1.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
1.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
4.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
5.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

series75.0ms

Counts
4 → 12
Calls
4 calls:
6.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
6.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
32.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
29.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

simplify3.5s

Counts
64 → 64
Iterations
IterNodes
done5001
71614
6625
5250
4152
3108
271
148
035

prune442.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.9b

localize101.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1.0 (fma N (+ 1.0 N) 1))
13.0b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
13.0b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
13.0b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
1.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
4.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
4.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
4.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

series94.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
29.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
27.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
30.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

simplify3.5s

Counts
70 → 70
Iterations
IterNodes
done5001
71614
6625
5250
4152
3108
271
148
035

prune489.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.9b

regimes88.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done9
19
06

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.1s2937×body1280valid
279.0ms3972×body80valid
131.0ms615×body640valid
53.0ms327×body320valid
17.0ms149×body160valid