Details

Time bar (total: 2.8s)

sample23.0ms

Algorithm
intervals
Results
10.0ms345×body80valid

simplify10.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

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: 9.9b

Counts
2 → 1

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x y) (* z t))
9.3b
(/ (- (* 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)

series96.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(- (* x y) (* z t))
54.0ms
(/ (- (* x y) (* z t)) a)

simplify80.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0204313
1717288
22700288
35001288

prune123.0ms

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: 9.5b

Counts
49 → 12

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (/ (* t z) a))
5.7b
(/ (* x y) a)
7.2b
(/ (* t z) 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:
8.0ms
(- (/ (* x y) a) (/ (* t z) a))
4.0ms
(/ (* x y) a)
4.0ms
(/ (* t z) a)

series102.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(- (/ (* x y) a) (/ (* t z) a))
18.0ms
(/ (* x y) a)
21.0ms
(/ (* t z) a)

simplify36.0ms

Algorithm
egg-herbie
Counts
68 → 68
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0275315
11238283
25001283

prune127.0ms

Filtered
68 candidates to 46 candidates (67.6%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New62668
Fresh6511
Picked101
Done000
Total691180

Merged error: 0.5b

Counts
80 → 11

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (* t (/ z a)))
4.5b
(* t (/ z a))
5.7b
(/ (* x y) 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
(* t (/ z a))
4.0ms
(/ (* x y) a)

series100.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(- (/ (* x y) a) (* t (/ z a)))
21.0ms
(* t (/ z a))
18.0ms
(/ (* x y) a)

simplify41.0ms

Algorithm
egg-herbie
Counts
76 → 76
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0335341
11533309
25001309

prune136.0ms

Filtered
76 candidates to 51 candidates (67.1%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New74276
Fresh3710
Picked101
Done000
Total78987

Merged error: 0.0b

Counts
87 → 9

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
3.8b
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
4.5b
(* t (/ z a))

rewrite27.0ms

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)
14.0ms
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
6.0ms
(* t (/ z a))

series411.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(cbrt a)
177.0ms
(cbrt a)
46.0ms
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
21.0ms
(* t (/ z a))

simplify68.0ms

Algorithm
egg-herbie
Counts
125 → 125
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
0574814
12958658
25002621

prune280.0ms

Filtered
125 candidates to 94 candidates (75.2%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1250125
Fresh088
Picked011
Done000
Total1259134

Merged error: 0.0b

Counts
134 → 9

regimes429.0ms

Accuracy

79.2% (1.6b remaining)

Error of 1.6b against oracle of 0.0b and baseline of 7.5b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03216
13216

end0.0ms

sample666.0ms

Algorithm
intervals
Results
340.0ms11129×body80valid