Details

Time bar (total: 13.2s)

sample41.0ms

Algorithm
intervals
Results
17.0ms90×body1280valid
5.0ms125×body80valid
4.0ms24×body640valid
1.0ms10×body320valid
1.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.5b

localize8.0ms

Local error

Found 1 expressions with local error:

1.3b
(- (atan (+ N 1.0)) (atan N))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log diff-atan add-exp-log log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 29
Calls
1 calls:
6.0ms
(- (atan (+ N 1.0)) (atan N))

series18.0ms

Counts
1 → 3
Calls
1 calls:
18.0ms
(- (atan (+ N 1.0)) (atan N))

simplify7.3s

Counts
32 → 32
Iterations
IterNodes
done5000
34363
2503
1136
062

prune116.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 15.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.0b
(atan2 (- (+ N 1.0) N) (+ 1 (* (+ N 1.0) N)))
2.2b
(- (+ N 1.0) N)

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
17×add-sqr-sqrt
13×add-cube-cbrt
12×prod-diff
add-log-exp
distribute-lft-out
pow1 add-cbrt-cube add-exp-log
fma-neg associate-*l*
expm1-log1p-u associate-*r* log1p-expm1-u
diff-log associate-*l/ distribute-lft-out--
sum-log sub-neg flip3-+ flip3-- pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod flip-+ flip-- difference-of-squares unswap-sqr
Counts
3 → 67
Calls
3 calls:
33.0ms
(* (+ N 1.0) N)
1.0ms
(atan2 (- (+ N 1.0) N) (+ 1 (* (+ N 1.0) N)))
45.0ms
(- (+ N 1.0) N)

series57.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(* (+ N 1.0) N)
6.0ms
(atan2 (- (+ N 1.0) N) (+ 1 (* (+ N 1.0) N)))
2.0ms
(- (+ N 1.0) N)

simplify1.2s

Counts
76 → 76
Iterations
IterNodes
done5001
21237
1252
0106

prune211.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize8.0ms

Local error

Found 1 expressions with local error:

0.3b
(atan2 1.0 (fma N (+ 1.0 N) 1))

rewrite0.0ms

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
Counts
1 → 9
Calls
1 calls:
0.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))

series2.0ms

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

simplify1.7s

Counts
12 → 12
Iterations
IterNodes
done5001
81017
7376
6195
5125
487
362
238
125
018

prune52.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize17.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1.0 (fma N (+ 1.0 N) 1))
0.6b
(* (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))) (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))))
14.1b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
14.1b
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×*-un-lft-identity add-cube-cbrt
10×sqrt-pow1 pow1/2
swap-sqr
add-cbrt-cube associate-*r* associate-*l* add-exp-log
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 rem-square-sqrt pow-plus sqrt-unprod prod-exp *-commutative cbrt-unprod
Counts
4 → 90
Calls
4 calls:
0.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
14.0ms
(* (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))) (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))))
1.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
1.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

series32.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma N (+ 1.0 N) 1))
3.0ms
(* (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))) (sqrt (atan2 1.0 (fma N (+ 1.0 N) 1))))
13.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))
14.0ms
(sqrt (atan2 1.0 (fma N (+ 1.0 N) 1)))

simplify943.0ms

Counts
102 → 102
Iterations
IterNodes
done5000
2616
1127
067

prune287.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

regimes37.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done9
19
06

end0.0ms

sample1.1s

Algorithm
intervals
Results
685.0ms2811×body1280valid
148.0ms4101×body80valid
87.0ms626×body640valid
32.0ms315×body320valid
11.0ms147×body160valid