Details

Time bar (total: 2.6s)

sample23.0ms

Algorithm
intervals
Results
10.0ms277×body80valid

simplify59.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
0175
1325
2604
31124
41724
52314
62794
73524
84854
96484
1010744
1113584
1213994
1313994

prune10.0ms

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: 0.1b

Counts
2 → 2

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- a t))
1.6b
(fma (/ y (- a t)) (- z t) x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
flip3-- frac-2neg clear-num flip-- fma-udef div-inv
Counts
2 → 6
Calls
2 calls:
3.0ms
(/ y (- a t))
1.0ms
(fma (/ y (- a t)) (- z t) x)

series209.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ y (- a t))
180.0ms
(fma (/ y (- a t)) (- z t) x)

simplify74.0ms

Algorithm
egg-herbie
Counts
12 → 12
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
05726
111626
223224
358723
4168423
5500123

prune39.0ms

Filtered
12 candidates to 9 candidates (75.0%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New8412
Fresh011
Picked101
Done000
Total9514

Merged error: 0.0b

Counts
14 → 5

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* y (/ 1 (- a t)))
1.6b
(fma (* y (/ 1 (- a t))) (- z t) x)

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
associate-*r/ associate-*r* clear-num
flip3-- frac-2neg un-div-inv flip-- div-inv
*-commutative fma-udef inv-pow
Counts
3 → 16
Calls
3 calls:
3.0ms
(/ 1 (- a t))
4.0ms
(* y (/ 1 (- a t)))
1.0ms
(fma (* y (/ 1 (- a t))) (- z t) x)

series251.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(/ 1 (- a t))
29.0ms
(* y (/ 1 (- a t)))
182.0ms
(fma (* y (/ 1 (- a t))) (- z t) x)

simplify46.0ms

Algorithm
egg-herbie
Counts
25 → 25
Iterations

Useful iterations: 3 (19.0ms)

IterNodesCost
07134
123234
267632
3152831
4500131

prune55.0ms

Filtered
25 candidates to 14 candidates (56.0%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New25025
Fresh044
Picked011
Done000
Total25530

Merged error: 0.0b

Counts
30 → 5

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) y)
0.7b
(/ 1 (/ (- a t) y))
1.6b
(fma (/ 1 (/ (- a t) y)) (- z t) x)

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
clear-num associate-/l/
frac-2neg div-inv
flip3-- flip--
div-sub associate-/r* fma-udef remove-double-div inv-pow
Counts
3 → 18
Calls
3 calls:
3.0ms
(/ (- a t) y)
4.0ms
(/ 1 (/ (- a t) y))
1.0ms
(fma (/ 1 (/ (- a t) y)) (- z t) x)

series296.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(/ (- a t) y)
75.0ms
(/ 1 (/ (- a t) y))
193.0ms
(fma (/ 1 (/ (- a t) y)) (- z t) x)

simplify61.0ms

Algorithm
egg-herbie
Counts
27 → 27
Iterations

Useful iterations: 4 (57.0ms)

IterNodesCost
09856
124254
281552
3260251
4500250

prune69.0ms

Filtered
27 candidates to 17 candidates (63.0%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New24327
Fresh213
Picked101
Done101
Total28432

Merged error: 0.0b

Counts
32 → 4

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- a t))
1.6b
(fma (/ y (- a t)) (- z t) x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
flip3-- frac-2neg clear-num flip-- fma-udef div-inv
Counts
2 → 6
Calls
2 calls:
3.0ms
(/ y (- a t))
1.0ms
(fma (/ y (- a t)) (- z t) x)

series213.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(/ y (- a t))
185.0ms
(fma (/ y (- a t)) (- z t) x)

simplify69.0ms

Algorithm
egg-herbie
Counts
12 → 12
Iterations

Useful iterations: 3 (10.0ms)

IterNodesCost
05726
111626
223224
358723
4168423
5500123

prune27.0ms

Filtered
12 candidates to 9 candidates (75.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New12012
Fresh033
Picked011
Done000
Total12416

Merged error: 0.0b

Counts
16 → 4

regimes402.0ms

Accuracy

68.8% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 3.1b

bsearch1.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02422
12422

end0.0ms

sample587.0ms

Algorithm
intervals
Results
323.0ms8699×body80valid
0.0msbody640valid
0.0msbody320valid