Details

Time bar (total: 12.9s)

sample33.0ms

Algorithm
intervals
Results
15.0ms92×body1280valid
4.0ms122×body80valid
3.0ms23×body640valid
2.0ms15×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
2.3b
(- (atan (+ N 1.0)) (atan N))

rewrite7.0ms

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 log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 38
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
5.0ms
(- (atan (+ N 1.0)) (atan N))

series26.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
23.0ms
(- (atan (+ N 1.0)) (atan N))

simplify2.2s

Counts
44 → 44
Iterations
IterNodes
done5004
42193
3738
2286
1139
066

prune198.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma N (+ 1.0 N) 1)
0.5b
(atan2 1.0 (fma N (+ 1.0 N) 1))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u add-log-exp
fma-udef
Counts
2 → 19
Calls
2 calls:
0.0ms
(fma N (+ 1.0 N) 1)
0.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))

series24.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(fma N (+ 1.0 N) 1)
2.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))

simplify3.1s

Counts
25 → 25
Iterations
IterNodes
done5000
42753
3442
2121
154
033

prune133.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.5b
(atan2 1.0 (* (* (cbrt (fma N (+ 1.0 N) 1)) (cbrt (fma N (+ 1.0 N) 1))) (cbrt (fma N (+ 1.0 N) 1))))
15.9b
(cbrt (fma N (+ 1.0 N) 1))
15.9b
(cbrt (fma N (+ 1.0 N) 1))
15.9b
(cbrt (fma N (+ 1.0 N) 1))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
pow1/3
Counts
4 → 48
Calls
4 calls:
0.0ms
(atan2 1.0 (* (* (cbrt (fma N (+ 1.0 N) 1)) (cbrt (fma N (+ 1.0 N) 1))) (cbrt (fma N (+ 1.0 N) 1))))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))

series312.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1.0 (* (* (cbrt (fma N (+ 1.0 N) 1)) (cbrt (fma N (+ 1.0 N) 1))) (cbrt (fma N (+ 1.0 N) 1))))
103.0ms
(cbrt (fma N (+ 1.0 N) 1))
104.0ms
(cbrt (fma N (+ 1.0 N) 1))
103.0ms
(cbrt (fma N (+ 1.0 N) 1))

simplify2.4s

Counts
60 → 60
Iterations
IterNodes
done5001
63920
51640
4794
3424
2203
1107
058

prune359.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.4b

localize47.0ms

Local error

Found 4 expressions with local error:

15.9b
(cbrt (fma N (+ 1.0 N) 1))
15.9b
(cbrt (fma N (+ 1.0 N) 1))
15.9b
(cbrt (fma N (+ 1.0 N) 1))
15.9b
(cbrt (fma N (+ 1.0 N) 1))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log log1p-expm1-u add-log-exp
Counts
4 → 52
Calls
4 calls:
5.0ms
(cbrt (fma N (+ 1.0 N) 1))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))
1.0ms
(cbrt (fma N (+ 1.0 N) 1))

series394.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(cbrt (fma N (+ 1.0 N) 1))
102.0ms
(cbrt (fma N (+ 1.0 N) 1))
107.0ms
(cbrt (fma N (+ 1.0 N) 1))
95.0ms
(cbrt (fma N (+ 1.0 N) 1))

simplify1.9s

Counts
64 → 64
Iterations
IterNodes
done5001
63695
51576
4767
3398
2185
192
045

prune329.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.4b

regimes41.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done9
19
06

end0.0ms

sample1.3s

Algorithm
intervals
Results
890.0ms2853×body1280valid
183.0ms4018×body80valid
93.0ms650×body640valid
37.0ms327×body320valid
12.0ms152×body160valid