Details

Time bar (total: 3.1s)

sample24.0ms

Algorithm
intervals
Results
10.0ms360×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: 7.1b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x y) (* z t))
6.7b
(/ (- (* x y) (* z t)) a)

rewrite12.0ms

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:
6.0ms
(- (* x y) (* z t))
5.0ms
(/ (- (* x y) (* z t)) a)

series86.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(- (* x y) (* z t))
48.0ms
(/ (- (* x y) (* z t)) a)

simplify84.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0204313
1717288
22700288
35001288

prune125.0ms

Filtered
48 candidates to 37 candidates (77.1%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New381048
Fresh000
Picked011
Done000
Total381149

Merged error: 6.7b

Counts
49 → 11

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x y) (* z t))
0.2b
(/ 1 (/ a (- (* x y) (* z t))))
6.7b
(/ a (- (* x y) (* z t)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
55×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 125
Calls
3 calls:
4.0ms
(- (* x y) (* z t))
8.0ms
(/ 1 (/ a (- (* x y) (* z t))))
5.0ms
(/ a (- (* x y) (* z t)))

series155.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(- (* x y) (* z t))
78.0ms
(/ 1 (/ a (- (* x y) (* z t))))
39.0ms
(/ a (- (* x y) (* z t)))

simplify53.0ms

Algorithm
egg-herbie
Counts
134 → 134
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
04281235
118721116
250011026

prune242.0ms

Filtered
134 candidates to 73 candidates (54.5%)
Pruning

12 alts after pruning (10 fresh and 2 done)

PrunedKeptTotal
New1277134
Fresh639
Picked011
Done011
Total13312145

Merged error: 6.7b

Counts
145 → 12

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x y) (* z t))
0.2b
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
1.2b
(/ 1 (- (* x y) (* z t)))
5.6b
(* a (/ 1 (- (* x y) (* z t))))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log
29×add-sqr-sqrt
23×*-un-lft-identity times-frac
22×add-cube-cbrt
20×div-exp add-cbrt-cube
16×prod-exp
15×associate-*r*
10×pow1 rec-exp 1-exp
cbrt-undiv associate-/r/ associate-/l* add-log-exp
associate-/r* cbrt-unprod
flip3-- pow-flip associate-*l* flip-- div-inv unswap-sqr
frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv inv-pow
sub-neg diff-log *-commutative
Counts
4 → 123
Calls
4 calls:
3.0ms
(- (* x y) (* z t))
8.0ms
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
5.0ms
(/ 1 (- (* x y) (* z t)))
9.0ms
(* a (/ 1 (- (* x y) (* z t))))

series183.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(- (* x y) (* z t))
78.0ms
(/ 1 (* a (/ 1 (- (* x y) (* z t)))))
29.0ms
(/ 1 (- (* x y) (* z t)))
39.0ms
(* a (/ 1 (- (* x y) (* z t))))

simplify49.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0396885
11746733
25002692

prune230.0ms

Filtered
135 candidates to 69 candidates (51.1%)
Pruning

12 alts after pruning (9 fresh and 3 done)

PrunedKeptTotal
New1323135
Fresh369
Picked011
Done022
Total13512147

Merged error: 6.7b

Counts
147 → 12

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* x y) (* z t))
1.2b
(/ 1 (- (* x y) (* z t)))
5.6b
(/ (/ 1 a) (/ 1 (- (* x y) (* z t))))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
474×times-frac
221×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
47×add-exp-log
34×div-exp
32×div-inv
31×associate-/r/
18×associate-/r*
17×add-cbrt-cube
16×flip3-- flip-- associate-/l*
cbrt-undiv rec-exp 1-exp
add-log-exp
pow1
frac-2neg clear-num
sub-neg pow-flip diff-log associate-/l/ inv-pow
Counts
3 → 300
Calls
3 calls:
3.0ms
(- (* x y) (* z t))
5.0ms
(/ 1 (- (* x y) (* z t)))
13.0ms
(/ (/ 1 a) (/ 1 (- (* x y) (* z t))))

series151.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(- (* x y) (* z t))
31.0ms
(/ 1 (- (* x y) (* z t)))
81.0ms
(/ (/ 1 a) (/ 1 (- (* x y) (* z t))))

simplify74.0ms

Algorithm
egg-herbie
Counts
309 → 309
Iterations

Useful iterations: 1 (33.0ms)

IterNodesCost
013574159
150023587

prune475.0ms

Filtered
309 candidates to 145 candidates (46.9%)
Pruning

11 alts after pruning (7 fresh and 4 done)

PrunedKeptTotal
New3072309
Fresh358
Picked011
Done033
Total31011321

Merged error: 6.7b

Counts
321 → 11

regimes348.0ms

Accuracy

0% (0.3b remaining)

Error of 7.2b against oracle of 6.9b and baseline of 7.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0114
1114

end0.0ms

sample653.0ms

Algorithm
intervals
Results
325.0ms11227×body80valid