Details

Time bar (total: 1.3s)

sample20.0ms

Algorithm
intervals
Results
10.0ms327×body80valid

simplify58.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 7 (57.0ms)

IterNodesCost
0205
1475
21465
33565
47505
516045
625775
750014

prune6.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.0b

Counts
2 → 2

localize8.0ms

Local error

Found 1 expressions with local error:

0.2b
(* (/ 4.0 z) (- x (fma 0.5 z y)))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
6×frac-times
4×flip3-- flip--
3×frac-2neg associate-*l/ clear-num
2×distribute-rgt-in sub-neg distribute-lft-in associate-*r/
1×associate-*l* *-commutative div-inv
Counts
1 → 17
Calls
1 calls:
4.0ms
(* (/ 4.0 z) (- x (fma 0.5 z y)))

series50.0ms

Counts
1 → 3
Calls
1 calls:
50.0ms
(* (/ 4.0 z) (- x (fma 0.5 z y)))

simplify55.0ms

Algorithm
egg-herbie
Counts
20 → 20
Iterations

Useful iterations: 3 (52.0ms)

IterNodesCost
0169131
1588129
22746129
35002128

prune50.0ms

Filtered
20 candidates to 15 candidates (75.0%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New17320
Fresh101
Picked101
Done000
Total19322

Merged error: 0b

Counts
22 → 3

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 4.0 (/ y z) 2.0)
0.0b
(fma 4.0 (/ x z) (- (fma 4.0 (/ y z) 2.0)))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
2×fma-udef
Counts
2 → 2
Calls
2 calls:
1.0ms
(fma 4.0 (/ y z) 2.0)
1.0ms
(fma 4.0 (/ x z) (- (fma 4.0 (/ y z) 2.0)))

series51.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(fma 4.0 (/ y z) 2.0)
29.0ms
(fma 4.0 (/ x z) (- (fma 4.0 (/ y z) 2.0)))

simplify39.0ms

Algorithm
egg-herbie
Counts
8 → 8
Iterations

Useful iterations: 4 (9.0ms)

IterNodesCost
02425
14725
28025
313425
420322
533522
653122
795622
8106722
9107522
10107522

prune14.0ms

Filtered
8 candidates to 3 candidates (37.5%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New808
Fresh022
Picked011
Done000
Total8311

Merged error: 0b

Counts
11 → 3

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (- x (fma 0.5 z y)) z)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
2×div-sub associate-/l/
1×flip3-- frac-2neg clear-num flip-- fma-udef div-inv associate--r+
Counts
1 → 7
Calls
1 calls:
3.0ms
(/ (- x (fma 0.5 z y)) z)

series29.0ms

Counts
1 → 3
Calls
1 calls:
29.0ms
(/ (- x (fma 0.5 z y)) z)

simplify41.0ms

Algorithm
egg-herbie
Counts
10 → 10
Iterations

Useful iterations: 3 (14.0ms)

IterNodesCost
06537
115337
243037
3150535
4500135

prune23.0ms

Filtered
10 candidates to 7 candidates (70.0%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New9110
Fresh101
Picked101
Done011
Total11213

Merged error: 0b

Counts
13 → 2

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ z (- x (fma 0.5 z y)))
0.1b
(/ 1 (/ z (- x (fma 0.5 z y))))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
7×associate-/r/
4×clear-num
3×frac-2neg associate-/r* div-inv
2×flip3-- flip--
1×remove-double-div inv-pow
Counts
2 → 16
Calls
2 calls:
3.0ms
(/ z (- x (fma 0.5 z y)))
4.0ms
(/ 1 (/ z (- x (fma 0.5 z y))))

series121.0ms

Counts
2 → 6
Calls
2 calls:
86.0ms
(/ z (- x (fma 0.5 z y)))
35.0ms
(/ 1 (/ z (- x (fma 0.5 z y))))

simplify93.0ms

Algorithm
egg-herbie
Counts
22 → 22
Iterations

Useful iterations: 3 (25.0ms)

IterNodesCost
06862
120261
280559
3417058
4500158

prune45.0ms

Filtered
22 candidates to 16 candidates (72.7%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New22022
Fresh000
Picked011
Done011
Total22224

Merged error: 0b

Counts
24 → 2

regimes42.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0105

end0.0ms

sample534.0ms

Algorithm
intervals
Results
322.0ms10151×body80valid