Details

sample11.0ms

Algorithm

intervals

Results

5.0ms

256×

body

valid

simplify7.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (2.0ms)

Iter	Nodes	Cost
0	7	3
1	7	3

prune1.0ms

Filtered

1 candidates to 0 candidates (0.0%)

Pruning

2 alts after pruning (2 fresh and 0 done)

	Kept	Total
New	1	1
Fresh	1	1
Picked	0	0
Done	0	0
Total	2	2

Merged error: 13.1b

Counts

2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

13.1b

(/ x (+ (* x x) 1.0))

rewrite7.0ms

Algorithm

rewrite-expression-head

Rules

9×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity` `times-frac`
3×	`add-exp-log` `associate-/r` `add-cbrt-cube` `associate-/l`
2×	`associate-/r/`
1×	`pow1` `cbrt-undiv` `expm1-log1p-u` `frac-2neg` `flip3-+` `div-exp` `clear-num` `flip-+` `log1p-expm1-u` `div-inv` `add-log-exp`

Counts

1 → 31

Calls

1 calls:

6.0ms

(/ x (+ (* x x) 1.0))

series57.0ms

Counts

1 → 3

Calls

1 calls:

57.0ms

(/ x (+ (* x x) 1.0))

simplify58.0ms

Algorithm

egg-herbie

Counts

34 → 34

Iterations

Useful iterations: 3 (54.0ms)

Iter	Nodes	Cost
0	171	215
1	589	196
2	1979	191
3	5002	186

prune71.0ms

Filtered

34 candidates to 29 candidates (85.3%)

Pruning

3 alts after pruning (3 fresh and 0 done)

	Pruned	Kept	Total
New	31	3	34
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	32	3	35

Merged error: 0b

Counts

35 → 3

localize7.0ms

Local error

Found 4 expressions with local error:

0.0b	(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
0.0b	(/ x (sqrt (+ (* x x) 1.0)))
13.0b	(sqrt (+ (* x x) 1.0))
13.0b	(sqrt (+ (* x x) 1.0))

rewrite48.0ms

Algorithm

rewrite-expression-head

Rules

288×	`times-frac`
166×	`add-sqr-sqrt`
162×	`add-cube-cbrt` `*-un-lft-identity`
156×	`sqrt-prod`
27×	`associate-/l*`
22×	`sqrt-div`
18×	`associate-/r/`
12×	`associate-/r*`
11×	`add-exp-log` `flip3-+` `add-cbrt-cube` `flip-+`
9×	`div-inv`
6×	`pow1`
4×	`cbrt-undiv` `expm1-log1p-u` `div-exp` `log1p-expm1-u` `add-log-exp`
2×	`rem-sqrt-square` `frac-2neg` `sqrt-pow1` `pow1/2` `clear-num` `hypot-def`
1×	`associate-/l/`

Counts

4 → 272

Calls

4 calls:

17.0ms	(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
7.0ms	(/ x (sqrt (+ (* x x) 1.0)))
4.0ms	(sqrt (+ (* x x) 1.0))
5.0ms	(sqrt (+ (* x x) 1.0))

series275.0ms

Counts

4 → 12

Calls

4 calls:

59.0ms	(/ (/ x (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
124.0ms	(/ x (sqrt (+ (* x x) 1.0)))
43.0ms	(sqrt (+ (* x x) 1.0))
49.0ms	(sqrt (+ (* x x) 1.0))

simplify88.0ms

Algorithm

egg-herbie

Counts

284 → 284

Iterations

Useful iterations: 2 (54.0ms)

Iter	Nodes	Cost
0	793	3897
1	3057	3471
2	5001	3383

prune389.0ms

Filtered

284 candidates to 159 candidates (56.0%)

Pruning

3 alts after pruning (2 fresh and 1 done)

	Pruned	Kept	Total
New	284	0	284
Fresh	0	2	2
Picked	0	1	1
Done	0	0	0
Total	284	3	287

Merged error: 0b

Counts

287 → 3

localize5.0ms

Local error

Found 2 expressions with local error:

0.1b	(/ 1 (/ (fma x x 1.0) x))
13.0b	(/ (fma x x 1.0) x)

rewrite13.0ms

Algorithm

rewrite-expression-head

Rules

84×	`times-frac`
52×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
16×	`associate-/r*`
15×	`add-exp-log`
9×	`add-cbrt-cube`
8×	`div-exp`
6×	`div-inv` `associate-/l*`
4×	`cbrt-undiv`
3×	`pow1`
2×	`expm1-log1p-u` `rec-exp` `frac-2neg` `1-exp` `clear-num` `log1p-expm1-u` `add-log-exp`
1×	`pow-flip` `associate-/r/` `inv-pow`

Counts

2 → 107

Calls

2 calls:

6.0ms	(/ 1 (/ (fma x x 1.0) x))
3.0ms	(/ (fma x x 1.0) x)

series154.0ms

Counts

2 → 6

Calls

2 calls:

69.0ms	(/ 1 (/ (fma x x 1.0) x))
84.0ms	(/ (fma x x 1.0) x)

simplify43.0ms

Algorithm

egg-herbie

Counts

113 → 113

Iterations

Useful iterations: 2 (33.0ms)

Iter	Nodes	Cost
0	360	746
1	1496	655
2	5002	578

prune125.0ms

Filtered

113 candidates to 64 candidates (56.6%)

Pruning

2 alts after pruning (1 fresh and 1 done)

	Pruned	Kept	Total
New	112	1	113
Fresh	1	0	1
Picked	1	0	1
Done	0	1	1
Total	114	2	116

Merged error: 0b

Counts

116 → 2

localize5.0ms

Local error

Found 1 expressions with local error:

0.1b	(/ 1 (fma 1.0 (/ 1 x) x))

rewrite4.0ms

Algorithm

rewrite-expression-head

Rules

9×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity` `times-frac`
5×	`add-exp-log`
3×	`associate-/r` `add-cbrt-cube` `associate-/l`
2×	`pow1` `div-exp`
1×	`cbrt-undiv` `expm1-log1p-u` `rec-exp` `pow-flip` `frac-2neg` `1-exp` `clear-num` `log1p-expm1-u` `div-inv` `inv-pow` `add-log-exp`

Counts

1 → 33

Calls

1 calls:

3.0ms

(/ 1 (fma 1.0 (/ 1 x) x))

series48.0ms

Counts

1 → 3

Calls

1 calls:

48.0ms

(/ 1 (fma 1.0 (/ 1 x) x))

simplify44.0ms

Algorithm

egg-herbie

Counts

36 → 36

Iterations

Useful iterations: 3 (40.0ms)

Iter	Nodes	Cost
0	130	213
1	400	189
2	1294	175
3	5002	173

prune41.0ms

Filtered

36 candidates to 20 candidates (55.6%)

Pruning

2 alts after pruning (0 fresh and 2 done)

	Pruned	Kept	Total
New	36	0	36
Fresh	0	0	0
Picked	0	1	1
Done	0	1	1
Total	36	2	38

Merged error: 0b

Counts

38 → 2

regimes10.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	8	3
1	8	3

end0.0ms

sample259.0ms

Algorithm

intervals

Results

171.0ms

8000×

body

valid