Details

Time bar (total: 1.9s)

sample20.0ms

Algorithm
intervals
Results
9.0ms282×body80valid

simplify23.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0204
1464
2884
31384
41884
52364
62604
72634
82634

prune7.0ms

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: 6.1b

Counts
2 → 2

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
6.0b
(/ x (/ (* z (- y t)) 2.0))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
associate-*r/
distribute-rgt-in sub-neg flip3-- frac-2neg distribute-lft-in clear-num *-commutative flip-- div-inv associate-/l/ associate-/l*
associate-/r*
Counts
2 → 18
Calls
2 calls:
3.0ms
(* z (- y t))
5.0ms
(/ x (/ (* z (- y t)) 2.0))

series79.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(* z (- y t))
45.0ms
(/ x (/ (* z (- y t)) 2.0))

simplify57.0ms

Algorithm
egg-herbie
Counts
24 → 24
Iterations

Useful iterations: 4 (54.0ms)

IterNodesCost
07765
121062
259361
3241561
4500360

prune44.0ms

Filtered
24 candidates to 15 candidates (62.5%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New20424
Fresh101
Picked011
Done000
Total21526

Merged error: 0.0b

Counts
26 → 5

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 2.0 (- y t))
5.8b
(* (/ x z) (/ 2.0 (- y t)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
10×clear-num
frac-times frac-2neg
associate-/r/
associate-*r/ associate-*r* associate-*l/ div-inv
flip3-- flip--
associate-*l* un-div-inv *-commutative
Counts
2 → 26
Calls
2 calls:
3.0ms
(/ 2.0 (- y t))
5.0ms
(* (/ x z) (/ 2.0 (- y t)))

series85.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ 2.0 (- y t))
45.0ms
(* (/ x z) (/ 2.0 (- y t)))

simplify44.0ms

Algorithm
egg-herbie
Counts
32 → 32
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
013487
150883
2192883
3500183

prune70.0ms

Filtered
32 candidates to 25 candidates (78.1%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New28432
Fresh303
Picked101
Done011
Total32537

Merged error: 0.0b

Counts
37 → 5

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (- y t))
0.2b
(/ (/ 2.0 (- y t)) z)
5.8b
(* x (/ (/ 2.0 (- y t)) z))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
associate-*r/
clear-num associate-/l/
associate-/r/ associate-/l*
frac-2neg div-inv
flip3-- flip--
un-div-inv
associate-*r* *-commutative
Counts
3 → 27
Calls
3 calls:
3.0ms
(/ 2.0 (- y t))
4.0ms
(/ (/ 2.0 (- y t)) z)
5.0ms
(* x (/ (/ 2.0 (- y t)) z))

series188.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ 2.0 (- y t))
72.0ms
(/ (/ 2.0 (- y t)) z)
75.0ms
(* x (/ (/ 2.0 (- y t)) z))

simplify51.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 3 (19.0ms)

IterNodesCost
09466
125965
270964
3196162
4500162

prune72.0ms

Filtered
36 candidates to 25 candidates (69.4%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New36036
Fresh033
Picked011
Done011
Total36541

Merged error: 0.0b

Counts
41 → 5

localize8.0ms

Local error

Found 2 expressions with local error:

0.6b
(/ 1 (* (/ z x) (/ (- y t) 2.0)))
5.3b
(* (/ z x) (/ (- y t) 2.0))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
30×frac-times
24×associate-/r/
23×clear-num
21×frac-2neg
16×associate-/l/
10×associate-*r/
flip3-- flip--
associate-*l/
div-inv
associate-/r*
associate-*r* associate-*l* un-div-inv *-commutative
inv-pow
Counts
2 → 59
Calls
2 calls:
8.0ms
(/ 1 (* (/ z x) (/ (- y t) 2.0)))
6.0ms
(* (/ z x) (/ (- y t) 2.0))

series121.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ 1 (* (/ z x) (/ (- y t) 2.0)))
77.0ms
(* (/ z x) (/ (- y t) 2.0))

simplify47.0ms

Algorithm
egg-herbie
Counts
65 → 65
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0283259
11301253
25001244

prune155.0ms

Filtered
65 candidates to 55 candidates (84.6%)
Pruning

5 alts after pruning (2 fresh and 3 done)

PrunedKeptTotal
New65065
Fresh022
Picked011
Done022
Total65570

Merged error: 0.0b

Counts
70 → 5

regimes132.0ms

Accuracy

53.1% (2.6b remaining)

Error of 2.6b against oracle of 0.0b and baseline of 5.6b

bsearch67.0ms

Steps
ItersRangePoint
8
1.9643604573599217e-63
2.0522646471221353e-60
3.861992641392967e-62
7
-3.857969354615995e+95
-3.277729253430659e+93
-6.501064448897589e+94

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0238
1238

end0.0ms

sample517.0ms

Algorithm
intervals
Results
283.0ms8709×body80valid