Details

Time bar (total: 3.1s)

sample27.0ms

Algorithm
intervals
Results
12.0ms379×body80valid

simplify10.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0164
1334
2454
3634
4694
5694

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 6.5b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.5b
(- (* x y) (* z t))
6.1b
(/ (- (* x y) (* z t)) a)

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 42
Calls
2 calls:
3.0ms
(- (* x y) (* z t))
5.0ms
(/ (- (* x y) (* z t)) a)

series87.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(- (* x y) (* z t))
49.0ms
(/ (- (* x y) (* z t)) a)

simplify80.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0204313
1717288
22700288
35001288

prune119.0ms

Filtered
48 candidates to 37 candidates (77.1%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New361248
Fresh000
Picked101
Done000
Total371249

Merged error: 6.2b

Counts
49 → 12

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (/ (* t z) a))
5.5b
(/ (* t z) a)
6.2b
(/ (* x y) a)

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
times-frac associate-/r*
add-log-exp
cbrt-undiv div-exp div-inv
pow1
frac-2neg prod-exp clear-num cbrt-unprod associate-/l*
sub-neg flip3-- distribute-rgt-out-- diff-log frac-sub flip-- distribute-lft-out-- sub-div difference-of-squares
Counts
3 → 59
Calls
3 calls:
7.0ms
(- (/ (* x y) a) (/ (* t z) a))
4.0ms
(/ (* t z) a)
4.0ms
(/ (* x y) a)

series100.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(- (/ (* x y) a) (/ (* t z) a))
18.0ms
(/ (* t z) a)
19.0ms
(/ (* x y) a)

simplify36.0ms

Algorithm
egg-herbie
Counts
68 → 68
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0275315
11238283
25001283

prune176.0ms

Filtered
68 candidates to 46 candidates (67.6%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New61768
Fresh5611
Picked101
Done000
Total671380

Merged error: 0.8b

Counts
80 → 13

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x (/ y a)) (/ (* t z) a))
3.9b
(* x (/ y a))
5.5b
(/ (* t z) a)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
13×add-exp-log add-cube-cbrt *-un-lft-identity times-frac associate-*r* add-cbrt-cube
pow1 add-log-exp
cbrt-undiv associate-*r/ div-exp associate-*l* prod-exp associate-/r* cbrt-unprod
div-inv unswap-sqr
sub-neg flip3-- frac-2neg diff-log pow-prod-down clear-num *-commutative frac-sub flip-- associate-/l* sub-div
Counts
3 → 67
Calls
3 calls:
5.0ms
(- (* x (/ y a)) (/ (* t z) a))
6.0ms
(* x (/ y a))
4.0ms
(/ (* t z) a)

series103.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(- (* x (/ y a)) (/ (* t z) a))
19.0ms
(* x (/ y a))
19.0ms
(/ (* t z) a)

simplify44.0ms

Algorithm
egg-herbie
Counts
76 → 76
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0330341
11490309
25001309

prune151.0ms

Filtered
76 candidates to 51 candidates (67.1%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New70676
Fresh5712
Picked101
Done000
Total761389

Merged error: 0.0b

Counts
89 → 13

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt a)
0.5b
(cbrt a)
3.9b
(* x (/ y a))
4.0b
(* (/ t (* (cbrt a) (cbrt a))) (/ z (cbrt a)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
38×times-frac
35×associate-*r*
30×add-exp-log
29×add-cube-cbrt *-un-lft-identity
23×add-cbrt-cube
17×cbrt-prod
10×associate-*l* prod-exp cbrt-unprod
pow1 cbrt-undiv div-exp unswap-sqr
add-log-exp
div-inv
pow1/3 associate-*r/ pow-prod-down *-commutative
frac-times associate-*l/
Counts
4 → 113
Calls
4 calls:
1.0ms
(cbrt a)
1.0ms
(cbrt a)
6.0ms
(* x (/ y a))
14.0ms
(* (/ t (* (cbrt a) (cbrt a))) (/ z (cbrt a)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(cbrt a)
166.0ms
(cbrt a)
18.0ms
(* x (/ y a))
49.0ms
(* (/ t (* (cbrt a) (cbrt a))) (/ z (cbrt a)))

simplify76.0ms

Algorithm
egg-herbie
Counts
125 → 125
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
0574814
12958658
25001621

prune280.0ms

Filtered
125 candidates to 94 candidates (75.2%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New1232125
Fresh01212
Picked101
Done000
Total12414138

Merged error: 0.0b

Counts
138 → 14

regimes606.0ms

Accuracy

82.5% (1.3b remaining)

Error of 1.3b against oracle of 0.0b and baseline of 7.3b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03216
13216

end0.0ms

sample713.0ms

Algorithm
intervals
Results
382.0ms11247×body80valid