Details

Time bar (total: 2.7s)

sample26.0ms

Algorithm
intervals
Results
8.0ms235×body80valid
2.0ms15×body640valid
2.0ms11×body1280valid
2.0ms18×body320valid
0.0msbody160valid

simplify76.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015

prune8.0ms

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: 11.5b

Counts
2 → 2

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.5b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
flip3-- associate-/r/ flip-- associate-/l/
frac-2neg div-sub clear-num fma-udef div-inv
Counts
2 → 9
Calls
2 calls:
4.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series145.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(/ (- y x) (- a t))
90.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify54.0ms

Algorithm
egg-herbie
Counts
15 → 15
Iterations

Useful iterations: 4 (52.0ms)

IterNodesCost
010948
127148
271546
3238442
4500140

prune57.0ms

Filtered
15 candidates to 12 candidates (80.0%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New8715
Fresh011
Picked101
Done000
Total9817

Merged error: 6.5b

Counts
17 → 8

localize10.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (- y x) (/ 1 (- a t)))
14.5b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
frac-times
flip3-- flip--
clear-num
frac-2neg associate-*r/ associate-*r*
associate-*l/ associate-/r/ un-div-inv
*-commutative fma-udef div-inv
Counts
2 → 18
Calls
2 calls:
5.0ms
(* (- y x) (/ 1 (- a t)))
1.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series141.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(* (- y x) (/ 1 (- a t)))
88.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify52.0ms

Algorithm
egg-herbie
Counts
24 → 24
Iterations

Useful iterations: 3 (50.0ms)

IterNodesCost
014588
157188
2254986
3500185

prune67.0ms

Filtered
24 candidates to 14 candidates (58.3%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New23124
Fresh167
Picked011
Done000
Total24832

Merged error: 6.5b

Counts
32 → 8

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
2.7b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
5.6b
(* (/ (- y x) (- a t)) (- z t))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
13×flip3-- flip--
10×frac-times
associate-/l/
associate-*l* associate-/r/
fma-def associate-*l/
distribute-rgt-in sub-neg associate-+l+ frac-2neg distribute-lft-in clear-num
div-inv
associate-*r/ *-commutative
+-commutative flip3-+ div-sub flip-+
Counts
3 → 45
Calls
3 calls:
4.0ms
(/ (- y x) (- a t))
10.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
7.0ms
(* (/ (- y x) (- a t)) (- z t))

series415.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- y x) (- a t))
149.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
214.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify57.0ms

Algorithm
egg-herbie
Counts
54 → 54
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0359313
11545311
25001309

prune185.0ms

Filtered
54 candidates to 44 candidates (81.5%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New50454
Fresh246
Picked101
Done101
Total54862

Merged error: 6.5b

Counts
62 → 8

localize10.0ms

Local error

Found 2 expressions with local error:

0.3b
(* (/ 1 (- a t)) (- z t))
5.7b
(fma (- y x) (* (/ 1 (- a t)) (- z t)) x)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
frac-times
flip3-- flip--
frac-2neg associate-*l* associate-*l/ clear-num
distribute-rgt-in sub-neg distribute-lft-in associate-*r/ associate-/r/
*-commutative fma-udef div-inv
Counts
2 → 20
Calls
2 calls:
6.0ms
(* (/ 1 (- a t)) (- z t))
3.0ms
(fma (- y x) (* (/ 1 (- a t)) (- z t)) x)

series228.0ms

Counts
2 → 6
Calls
2 calls:
140.0ms
(* (/ 1 (- a t)) (- z t))
88.0ms
(fma (- y x) (* (/ 1 (- a t)) (- z t)) x)

simplify62.0ms

Algorithm
egg-herbie
Counts
26 → 26
Iterations

Useful iterations: 3 (59.0ms)

IterNodesCost
0189118
1652110
22979108
35002107

prune63.0ms

Filtered
26 candidates to 18 candidates (69.2%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New26026
Fresh077
Picked011
Done000
Total26834

Merged error: 6.5b

Counts
34 → 8

regimes191.0ms

Accuracy

4.8% (4.8b remaining)

Error of 11.6b against oracle of 6.8b and baseline of 11.8b

bsearch56.0ms

Steps
ItersRangePoint
10
-2.996721892080998e+237
-1.6374639002323266e+223
-3.6281805994268665e+235

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0186
1186

end0.0ms

sample682.0ms

Algorithm
intervals
Results
254.0ms7752×body80valid
57.0ms476×body640valid
47.0ms281×body1280valid
36.0ms410×body320valid
15.0ms253×body160valid
3.0ms15×body2560valid