Details

sample13.0ms

Algorithm

intervals

Results

6.0ms

343×

body

valid

simplify10.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	10	3
1	23	3
2	44	3
3	62	3
4	63	3
5	63	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: 0.0b

Counts

2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

0.0b	(* x (- 1.0 (* x 0.5)))

rewrite3.0ms

Algorithm

rewrite-expression-head

Rules

2×	`distribute-rgt-in` `sub-neg` `distribute-lft-in` `associate-*r/`
1×	`flip3--` `*-commutative` `flip--`

Counts

1 → 7

Calls

1 calls:

3.0ms

(* x (- 1.0 (* x 0.5)))

series70.0ms

Counts

1 → 3

Calls

1 calls:

70.0ms

(* x (- 1.0 (* x 0.5)))

simplify94.0ms

Algorithm

egg-herbie

Counts

10 → 10

Iterations

Useful iterations: 2 (8.0ms)

Iter	Nodes	Cost
0	61	39
1	162	39
2	627	35
3	2459	35
4	5003	35

prune16.0ms

Filtered

10 candidates to 4 candidates (40.0%)

Pruning

2 alts after pruning (2 fresh and 0 done)

	Pruned	Kept	Total
New	8	2	10
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	9	2	11

Merged error: 0b

Counts

11 → 2

localize6.0ms

Local error

Found 1 expressions with local error:

0.0b	(+ (* x 1.0) (* x (- (* x 0.5))))

rewrite6.0ms

Algorithm

rewrite-expression-head

Rules

5×	`*-commutative`
2×	`distribute-rgt-out` `fma-def` `distribute-rgt-neg-out`
1×	`+-commutative` `distribute-lft-neg-in` `flip3-+` `associate-r` `unsub-neg` `flip-+` `distribute-lft-out`

Counts

1 → 10

Calls

1 calls:

6.0ms

(+ (* x 1.0) (* x (- (* x 0.5))))

series76.0ms

Counts

1 → 3

Calls

1 calls:

76.0ms

(+ (* x 1.0) (* x (- (* x 0.5))))

simplify72.0ms

Algorithm

egg-herbie

Counts

13 → 13

Iterations

Useful iterations: 3 (70.0ms)

Iter	Nodes	Cost
0	88	53
1	349	45
2	2050	42
3	5002	40

prune16.0ms

Filtered

13 candidates to 7 candidates (53.8%)

Pruning

2 alts after pruning (1 fresh and 1 done)

	Pruned	Kept	Total
New	13	0	13
Fresh	0	1	1
Picked	0	1	1
Done	0	0	0
Total	13	2	15

Merged error: 0b

Counts

15 → 2

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b	(* x (fma 0.5 x 1.0))
0.0b	(* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5)))
5.6b	(/ (* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5))) (+ 1.0 (* x 0.5)))

rewrite14.0ms

Algorithm

rewrite-expression-head

Rules

5×	`*-commutative`
4×	`associate-r/` `associate-l` `associate-/l`
3×	`distribute-rgt-in` `distribute-lft-in`
2×	`sub-neg` `flip3--` `associate-/r/` `flip--` `fma-udef` `associate-/l/`
1×	`frac-2neg` `flip3-+` `clear-num` `flip-+` `div-inv`

Counts

3 → 23

Calls

3 calls:

2.0ms	(* x (fma 0.5 x 1.0))
4.0ms	(* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5)))
7.0ms	(/ (* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5))) (+ 1.0 (* x 0.5)))

series449.0ms

Counts

3 → 9

Calls

3 calls:

65.0ms	(* x (fma 0.5 x 1.0))
149.0ms	(* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5)))
235.0ms	(/ (* (* x (fma 0.5 x 1.0)) (- 1.0 (* x 0.5))) (+ 1.0 (* x 0.5)))

simplify74.0ms

Algorithm

egg-herbie

Counts

32 → 32

Iterations

Useful iterations: 3 (70.0ms)

Iter	Nodes	Cost
0	162	171
1	573	160
2	2622	140
3	5001	139

prune51.0ms

Filtered

32 candidates to 20 candidates (62.5%)

Pruning

2 alts after pruning (0 fresh and 2 done)

	Pruned	Kept	Total
New	32	0	32
Fresh	0	0	0
Picked	0	1	1
Done	0	1	1
Total	32	2	34

Merged error: 0b

Counts

34 → 2

regimes10.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	18	5
1	23	5
2	24	5
3	24	5

end0.0ms

sample306.0ms

Algorithm

intervals

Results

190.0ms

10726×

body

valid