Details

sample20.0ms

Algorithm

intervals

Results

6.0ms	63×	body	1280	valid
4.0ms	47×	body	640	valid
3.0ms	120×	body	80	valid
1.0ms	13×	body	320	valid
1.0ms	13×	body	160	valid

simplify21.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	12	6
1	16	6
2	19	6
3	21	6
4	27	6
5	39	6
6	58	6
7	79	6
8	107	6
9	160	6
10	277	6
11	303	6
12	303	6

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.7b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b	(/ x (+ x 1.0))
0.0b	(/ (+ x 1.0) (- x 1.0))
3.6b	(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

rewrite207.0ms

Algorithm

rewrite-expression-head

Rules

981×	`*-un-lft-identity`
736×	`times-frac`
585×	`add-sqr-sqrt`
468×	`prod-diff`
419×	`add-cube-cbrt`
189×	`distribute-lft-out`
94×	`associate-/r/`
90×	`distribute-lft-out--`
81×	`difference-of-squares`
47×	`div-inv`
29×	`flip3-+` `flip-+`
20×	`flip3--` `flip--`
18×	`fma-neg`
9×	`associate-/r*`
7×	`add-exp-log` `add-cbrt-cube` `associate-/l*`
5×	`add-log-exp`
3×	`pow1` `expm1-log1p-u` `log1p-expm1-u`
2×	`cbrt-undiv` `frac-2neg` `div-exp` `clear-num` `associate-/l/`
1×	`sub-neg` `diff-log` `frac-sub`

Counts

3 → 596

Calls

3 calls:

10.0ms	(/ x (+ x 1.0))
24.0ms	(/ (+ x 1.0) (- x 1.0))
116.0ms	(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

series200.0ms

Counts

3 → 9

Calls

3 calls:

32.0ms	(/ x (+ x 1.0))
39.0ms	(/ (+ x 1.0) (- x 1.0))
128.0ms	(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

simplify190.0ms

Algorithm

egg-herbie

Counts

605 → 605

Iterations

Useful iterations: 2 (73.0ms)

Iter	Nodes	Cost
0	1208	18366
1	3687	13388
2	5001	13292

prune720.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b	(fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3))))
0.3b	(/ 1 (pow x 3))
0.6b	(/ (- 1.0) (pow x 2))
5.2b	(- (/ (- 1.0) (pow x 2)) (fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3)))))

rewrite158.0ms

Algorithm

rewrite-expression-head

Rules

440×	`times-frac`
354×	`add-sqr-sqrt`
344×	`*-un-lft-identity`
342×	`add-cube-cbrt`
252×	`prod-diff`
166×	`unpow-prod-down`
123×	`distribute-lft-neg-in` `distribute-rgt-neg-in`
84×	`fma-neg`
56×	`sqr-pow`
52×	`unpow2`
41×	`neg-mul-1`
20×	`associate-/r*`
18×	`add-exp-log`
13×	`associate-/l*`
12×	`cube-prod`
9×	`div-exp`
8×	`add-cbrt-cube`
6×	`div-inv` `add-log-exp`
5×	`difference-of-squares`
4×	`pow1` `expm1-log1p-u` `cube-mult` `pow-to-exp` `unpow3` `pow-exp` `log1p-expm1-u`
3×	`rec-exp` `1-exp`
2×	`cbrt-undiv` `neg-sub0` `frac-2neg` `div-sub` `clear-num` `fma-udef`
1×	`associate--l-` `sub-neg` `flip3--` `pow-flip` `diff-log` `distribute-frac-neg` `flip--` `associate--r+` `distribute-lft-out--` `inv-pow`

Counts

4 → 559

Calls

4 calls:

0.0ms	(fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3))))
9.0ms	(/ 1 (pow x 3))
11.0ms	(/ (- 1.0) (pow x 2))
100.0ms	(- (/ (- 1.0) (pow x 2)) (fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3)))))

series184.0ms

Counts

4 → 12

Calls

4 calls:

85.0ms	(fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3))))
31.0ms	(/ 1 (pow x 3))
32.0ms	(/ (- 1.0) (pow x 2))
35.0ms	(- (/ (- 1.0) (pow x 2)) (fma 3.0 (/ 1 x) (* 3.0 (/ 1 (pow x 3)))))

simplify174.0ms

Algorithm

egg-herbie

Counts

571 → 571

Iterations

Useful iterations: 2 (80.0ms)

Iter	Nodes	Cost
0	1159	12779
1	4167	7106
2	5001	7094

prune776.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b	(* 3.0 (/ 1 (pow x 3)))
0.1b	(/ (/ 1.0 x) x)
0.3b	(/ 1 (pow x 3))
5.2b	(- (fma -1 (/ (/ 1.0 x) x) (/ (- 3.0) x)) (* 3.0 (/ 1 (pow x 3))))

rewrite66.0ms

Algorithm

rewrite-expression-head

Rules

155×	`times-frac`
116×	`add-sqr-sqrt`
100×	`*-un-lft-identity`
96×	`add-cube-cbrt`
40×	`associate-r`
38×	`add-exp-log`
23×	`unpow-prod-down` `cube-prod`
16×	`add-cbrt-cube` `associate-/l*`
15×	`div-exp` `associate-/r*`
10×	`prod-exp`
9×	`unswap-sqr` `sqr-pow`
7×	`cube-mult` `unpow3` `div-inv`
6×	`pow1` `pow-to-exp` `rec-exp` `1-exp` `pow-exp` `add-log-exp`
5×	`cbrt-undiv`
4×	`expm1-log1p-u` `log1p-expm1-u`
3×	`fma-neg` `associate-l` `prod-diff`
2×	`frac-2neg` `clear-num` `cbrt-unprod`
1×	`sub-neg` `flip3--` `pow-flip` `diff-log` `associate-r/` `pow-prod-down` `associate--l+` `un-div-inv` `-commutative` `flip--` `fma-udef` `associate-/l/` `inv-pow`

Counts

4 → 245

Calls

4 calls:

27.0ms	(* 3.0 (/ 1 (pow x 3)))
11.0ms	(/ (/ 1.0 x) x)
12.0ms	(/ 1 (pow x 3))
6.0ms	(- (fma -1 (/ (/ 1.0 x) x) (/ (- 3.0) x)) (* 3.0 (/ 1 (pow x 3))))

series139.0ms

Counts

4 → 12

Calls

4 calls:

42.0ms	(* 3.0 (/ 1 (pow x 3)))
25.0ms	(/ (/ 1.0 x) x)
31.0ms	(/ 1 (pow x 3))
40.0ms	(- (fma -1 (/ (/ 1.0 x) x) (/ (- 3.0) x)) (* 3.0 (/ 1 (pow x 3))))

simplify91.0ms

Algorithm

egg-herbie

Counts

257 → 257

Iterations

Useful iterations: 2 (76.0ms)

Iter	Nodes	Cost
0	760	1454
1	3965	1161
2	5003	1147

prune445.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.3b	(/ 1 (pow x 3))
0.6b	(/ 1.0 (pow x 2))
6.7b	(fma 3.0 (+ (/ 1 x) (/ 1 (pow x 3))) (/ 1.0 (pow x 2)))
13.3b	(/ 0 (pow x 2))

rewrite33.0ms

Algorithm

rewrite-expression-head

Rules

84×	`times-frac`
63×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
36×	`unpow-prod-down`
28×	`associate-/r*`
23×	`add-exp-log`
12×	`cube-prod` `div-exp` `sqr-pow`
10×	`add-cbrt-cube`
9×	`associate-/l*`
8×	`unpow2`
5×	`pow-to-exp` `pow-exp`
4×	`pow1` `expm1-log1p-u` `cube-mult` `unpow3` `log1p-expm1-u` `add-log-exp`
3×	`cbrt-undiv` `rec-exp` `frac-2neg` `1-exp` `clear-num` `div-inv`
1×	`pow-flip` `div0` `fma-udef` `inv-pow`

Counts

4 → 188

Calls

4 calls:

9.0ms	(/ 1 (pow x 3))
11.0ms	(/ 1.0 (pow x 2))
0.0ms	(fma 3.0 (+ (/ 1 x) (/ 1 (pow x 3))) (/ 1.0 (pow x 2)))
8.0ms	(/ 0 (pow x 2))

series94.0ms

Counts

4 → 12

Calls

4 calls:

37.0ms	(/ 1 (pow x 3))
25.0ms	(/ 1.0 (pow x 2))
31.0ms	(fma 3.0 (+ (/ 1 x) (/ 1 (pow x 3))) (/ 1.0 (pow x 2)))
1.0ms	(/ 0 (pow x 2))

simplify67.0ms

Algorithm

egg-herbie

Counts

200 → 200

Iterations

Useful iterations: 2 (56.0ms)

Iter	Nodes	Cost
0	453	855
1	2471	637
2	5001	554

prune302.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes47.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.9b

bsearch74.0ms

Steps

Iters	Range		Point
9	41.96612619086958	53435221.69579046	8646.459775303862
9	-1873866393.190807	-0.5149414008252181	-10207.349462423768

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	37	17
1	37	17

end0.0ms

sample544.0ms

Algorithm

intervals

Results

174.0ms	1708×	body	1280	valid
105.0ms	1246×	body	640	valid
93.0ms	4101×	body	80	valid
40.0ms	627×	body	320	valid
13.0ms	318×	body	160	valid

Iter	Nodes	Cost
0	12	6
1	16	6
2	19	6
3	21	6
4	27	6
5	39	6
6	58	6
7	79	6
8	107	6
9	160	6
10	277	6
11	303	6
12	303	6

Iter	Nodes	Cost
0	12	6
1	16	6
2	19	6
3	21	6
4	27	6
5	39	6
6	58	6
7	79	6
8	107	6
9	160	6
10	277	6
11	303	6
12	303	6

Iter	Nodes	Cost
0	12	6
1	16	6
2	19	6
3	21	6
4	27	6
5	39	6
6	58	6
7	79	6
8	107	6
9	160	6
10	277	6
11	303	6
12	303	6