Details

Time bar (total: 1.8s)

sample20.0ms

Algorithm
intervals
Results
9.0ms282×body80valid

simplify20.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0194
1444
2824
31324
41754
52084
62214
72214

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: 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))

series82.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(* z (- y t))
48.0ms
(/ x (/ (* z (- y t)) 2.0))

simplify64.0ms

Algorithm
egg-herbie
Counts
24 → 24
Iterations

Useful iterations: 4 (61.0ms)

IterNodesCost
07565
120462
254961
3227661
4500160

prune47.0ms

Filtered
24 candidates to 16 candidates (66.7%)
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 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:
2.0ms
(/ 2.0 (- y t))
4.0ms
(/ (/ 2.0 (- y t)) z)
5.0ms
(* x (/ (/ 2.0 (- y t)) z))

series181.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(/ 2.0 (- y t))
68.0ms
(/ (/ 2.0 (- y t)) z)
71.0ms
(* x (/ (/ 2.0 (- y t)) z))

simplify50.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 3 (18.0ms)

IterNodesCost
09166
125065
267765
3186763
4500163

prune67.0ms

Filtered
36 candidates to 26 candidates (72.2%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New34236
Fresh033
Picked101
Done011
Total35641

Merged error: 0.0b

Counts
41 → 6

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)))

series84.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ 2.0 (- y t))
44.0ms
(* (/ x z) (/ 2.0 (- y t)))

simplify46.0ms

Algorithm
egg-herbie
Counts
32 → 32
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
013387
150583
2190883
3500283

prune65.0ms

Filtered
32 candidates to 25 candidates (78.1%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New29332
Fresh314
Picked011
Done011
Total32638

Merged error: 0.0b

Counts
38 → 6

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 2.0 (- y t))
5.4b
(/ (/ 2.0 (- y t)) (/ z x))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
div-inv
frac-2neg clear-num
flip3-- times-frac flip-- associate-/l/ associate-/l*
associate-/r*
Counts
2 → 21
Calls
2 calls:
2.0ms
(/ 2.0 (- y t))
4.0ms
(/ (/ 2.0 (- y t)) (/ z x))

series158.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ 2.0 (- y t))
116.0ms
(/ (/ 2.0 (- y t)) (/ z x))

simplify78.0ms

Algorithm
egg-herbie
Counts
27 → 27
Iterations

Useful iterations: 3 (28.0ms)

IterNodesCost
011888
130982
2100480
3362579
4500179

prune48.0ms

Filtered
27 candidates to 20 candidates (74.1%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New25227
Fresh213
Picked011
Done022
Total27633

Merged error: 0.0b

Counts
33 → 6

regimes161.0ms

Accuracy

54.5% (2.6b remaining)

Error of 2.6b against oracle of 0.0b and baseline of 5.8b

bsearch70.0ms

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

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0238
1238

end0.0ms

sample481.0ms

Algorithm
intervals
Results
263.0ms8709×body80valid