Details

sample69.0ms

Algorithm

intervals

Results

35.0ms	81×	body	1280	valid
11.0ms	130×	body	80	valid
7.0ms	23×	body	640	valid
3.0ms	15×	body	320	valid
1.0ms	7×	body	160	valid

simplify9.0ms

Counts

1 → 1

Iterations

Iter	Nodes
done	12
2	12
1	11
0	6

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b	(atan (+ N 1))
1.8b	(- (atan (+ N 1)) (atan N))

rewrite6.0ms

Algorithm

rewrite-expression-head

Rules

4×	`add-sqr-sqrt` `*-un-lft-identity` `add-log-exp`
2×	`pow1` `add-cbrt-cube` `add-exp-log` `add-cube-cbrt` `insert-posit16`
1×	`sub-neg` `flip3--` `diff-log` `diff-atan` `flip--` `distribute-lft-out--` `difference-of-squares`

Counts

2 → 24

Calls

2 calls:

1.0ms	(atan (+ N 1))
4.0ms	(- (atan (+ N 1)) (atan N))

series14.0ms

Counts

2 → 6

Calls

2 calls:

2.0ms	(atan (+ N 1))
13.0ms	(- (atan (+ N 1)) (atan N))

simplify1.1s

Counts

30 → 30

Iterations

Iter	Nodes
done	2000
5	2000
4	719
3	313
2	151
1	77
0	41

prune249.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b	(* (+ N 1) N)
0.4b	(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite30.0ms

Algorithm

rewrite-expression-head

Rules

6×	`add-sqr-sqrt` `*-un-lft-identity`
4×	`pow1` `add-cbrt-cube` `associate-l` `add-exp-log` `add-cube-cbrt`
3×	`associate-r`
2×	`associate-*l/` `insert-posit16` `add-log-exp`
1×	`flip3-+` `pow-prod-down` `prod-exp` `*-commutative` `cbrt-unprod` `flip-+` `distribute-lft-out` `unswap-sqr`

Counts

2 → 30

Calls

2 calls:

29.0ms	(* (+ N 1) N)
1.0ms	(atan2 1 (+ 1 (* (+ N 1) N)))

series60.0ms

Counts

2 → 6

Calls

2 calls:

56.0ms	(* (+ N 1) N)
4.0ms	(atan2 1 (+ 1 (* (+ N 1) N)))

simplify1.2s

Counts

36 → 36

Iterations

Iter	Nodes
done	2002
4	2002
3	706
2	266
1	121
0	55

prune289.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

localize41.0ms

Local error

Found 4 expressions with local error:

0.4b	(atan2 1 (+ 1 (* (+ N 1) N)))
0.6b	(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
13.9b	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
13.9b	(sqrt (atan2 1 (+ 1 (* (+ N 1) 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`
8×	`swap-sqr`
6×	`add-cbrt-cube` `associate-r` `associate-l` `add-exp-log`
5×	`pow-prod-up`
4×	`insert-posit16` `add-log-exp` `unswap-sqr`
3×	`pow-prod-down` `pow-sqr`
2×	`rem-sqrt-square`
1×	`pow2` `rem-square-sqrt` `pow-plus` `sqrt-unprod` `prod-exp` `*-commutative` `cbrt-unprod`

Counts

4 → 86

Calls

4 calls:

0.0ms	(atan2 1 (+ 1 (* (+ N 1) N)))
11.0ms	(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
2.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
2.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

series36.0ms

Counts

4 → 12

Calls

4 calls:

2.0ms	(atan2 1 (+ 1 (* (+ N 1) N)))
3.0ms	(* (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))) (sqrt (atan2 1 (+ 1 (* (+ N 1) N)))))
15.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
15.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

simplify1.7s

Counts

98 → 98

Iterations

Iter	Nodes
done	2004
5	2004
4	1111
3	489
2	247
1	128
0	65

prune844.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.4b

localize41.0ms

Local error

Found 4 expressions with local error:

13.9b	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.4b	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.4b	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.4b	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))

rewrite4.0ms

Algorithm

rewrite-expression-head

Rules

9×	`cbrt-prod` `add-sqr-sqrt`
8×	`*-un-lft-identity` `add-cube-cbrt`
5×	`pow1`
4×	`add-cbrt-cube` `add-exp-log` `insert-posit16` `add-log-exp`
3×	`pow1/3` `sqrt-prod`
1×	`rem-sqrt-square` `sqrt-pow1` `pow1/2`

Counts

4 → 50

Calls

4 calls:

1.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))

series420.0ms

Counts

4 → 12

Calls

4 calls:

14.0ms	(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
122.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
145.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))
139.0ms	(cbrt (atan2 1 (+ 1 (* (+ N 1) N))))

simplify809.0ms

Counts

62 → 62

Iterations

Iter	Nodes
done	2009
6	2009
5	1294
4	416
3	156
2	87
1	59
0	37

prune530.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.4b

regimes59.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Iter	Nodes
done	11
1	11
0	6

end0.0ms

sample1.2s

Algorithm

intervals

Results

745.0ms	2875×	body	1280	valid
218.0ms	4048×	body	80	valid
133.0ms	620×	body	640	valid
37.0ms	282×	body	320	valid
17.0ms	175×	body	160	valid