Details

Time bar (total: 11.3s)

sample37.0ms

Algorithm
intervals
Results
19.0ms87×body1280valid
6.0ms133×body80valid
3.0ms17×body640valid
1.0ms10×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
312
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
2.2b
(- (atan (+ N 1)) (atan N))

rewrite8.0ms

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:
2.0ms
(atan (+ N 1))
6.0ms
(- (atan (+ N 1)) (atan N))

series17.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
15.0ms
(- (atan (+ N 1)) (atan N))

simplify676.0ms

Counts
46 → 46
Iterations
IterNodes
42149
3771
2288
1140
067

prune346.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

Local error

Found 1 expressions with local error:

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

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 insert-posit16 log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(atan2 1 (+ 1 (fma N N N)))

series2.0ms

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

simplify4.8s

Counts
13 → 13
Iterations
IterNodes
107757
91615
8521
7243
6138
583
459
343
230
122
017

prune84.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1 (+ 1 (fma N N N)))
0.6b
(* (sqrt (atan2 1 (+ 1 (fma N N N)))) (sqrt (atan2 1 (+ 1 (fma N N N)))))
13.9b
(sqrt (atan2 1 (+ 1 (fma N N N))))
13.9b
(sqrt (atan2 1 (+ 1 (fma N N N))))

rewrite16.0ms

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 insert-posit16 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 → 94
Calls
4 calls:
0.0ms
(atan2 1 (+ 1 (fma N N N)))
12.0ms
(* (sqrt (atan2 1 (+ 1 (fma N N N)))) (sqrt (atan2 1 (+ 1 (fma N N N)))))
1.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))
1.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))

series31.0ms

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

simplify1.0s

Counts
106 → 106
Iterations
IterNodes
52615
4731
3397
2231
1118
068

prune667.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.6b
(* (sqrt (atan2 1 (+ 1 (fma N N N)))) (* (sqrt (sqrt (atan2 1 (+ 1 (fma N N N))))) (sqrt (sqrt (atan2 1 (+ 1 (fma N N N)))))))
13.9b
(sqrt (atan2 1 (+ 1 (fma N N N))))
13.9b
(sqrt (atan2 1 (+ 1 (fma N N N))))
13.9b
(sqrt (atan2 1 (+ 1 (fma N N N))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
54×sqrt-pow1
45×pow1
30×pow1/2 pow-prod-up
16×add-sqr-sqrt
14×sqrt-prod
*-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
pow-prod-down
associate-*l* pow-sqr
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square prod-exp cbrt-unprod
sqrt-unprod swap-sqr unswap-sqr
associate-*r* *-commutative
Counts
4 → 97
Calls
4 calls:
32.0ms
(* (sqrt (atan2 1 (+ 1 (fma N N N)))) (* (sqrt (sqrt (atan2 1 (+ 1 (fma N N N))))) (sqrt (sqrt (atan2 1 (+ 1 (fma N N N)))))))
1.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))
1.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))
1.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))

series41.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(* (sqrt (atan2 1 (+ 1 (fma N N N)))) (* (sqrt (sqrt (atan2 1 (+ 1 (fma N N N))))) (sqrt (sqrt (atan2 1 (+ 1 (fma N N N)))))))
12.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))
13.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))
13.0ms
(sqrt (atan2 1 (+ 1 (fma N N N))))

simplify1.2s

Counts
109 → 109
Iterations
IterNodes
52391
4876
3382
2260
1172
087

prune742.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.3b

regimes38.0ms

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
28
18
05

end0.0ms

sample1.5s

Algorithm
intervals
Results
845.0ms2890×body1280valid
275.0ms3977×body80valid
133.0ms653×body640valid
52.0ms327×body320valid
44.0ms153×body160valid