Details

Time bar (total: 12.3s)

sample76.0ms

Algorithm
intervals
Results
43.0ms98×body1280valid
10.0ms117×body80valid
7.0ms21×body640valid
3.0ms10×body320valid
2.0ms10×body160valid

simplify21.0ms

Counts
1 → 1

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.1b

localize22.0ms

Local error

Found 2 expressions with local error:

2.6b
(- (atan (+ N 1)) (atan N))
0.0b
(atan (+ N 1))

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:
Slowest
7.0ms
(- (atan (+ N 1)) (atan N))
1.0ms
(atan (+ N 1))

series14.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
12.0ms
(- (atan (+ N 1)) (atan N))
2.0ms
(atan (+ N 1))

simplify823.0ms

Counts
46 → 46

prune312.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 1 expressions with local error:

0.2b
(atan2 1 (fma N (+ 1 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 insert-posit16 log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
Slowest
1.0ms
(atan2 1 (fma N (+ 1 N) 1))

series4.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
3.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify4.9s

Counts
13 → 13

prune83.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 4 expressions with local error:

14.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.6b
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
0.2b
(atan2 1 (fma N (+ 1 N) 1))

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:
Slowest
9.0ms
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
4.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series29.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify1.7s

Counts
106 → 106

prune940.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 4 expressions with local error:

14.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.6b
(* (* (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1)))) (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1))))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
60×sqrt-pow1
51×pow1
36×pow1/2
34×pow-prod-up
16×add-sqr-sqrt
14×sqrt-prod
*-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
pow-sqr
pow-prod-down
pow-plus associate-*r*
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-*l* *-commutative
Counts
4 → 103
Calls
4 calls:
Slowest
31.0ms
(* (* (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1)))) (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1))))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

series44.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
16.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
3.0ms
(* (* (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1)))) (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1))))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))

simplify1.1s

Counts
115 → 115

prune793.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.1b

regimes66.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.3s

Algorithm
intervals
Results
769.0ms2951×body1280valid
259.0ms3960×body80valid
110.0ms616×body640valid
42.0ms312×body320valid
16.0ms161×body160valid