Details

Time bar (total: 7.1s)

sample2.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 2.719116%

Guaranteed chance to sample good point: 47.796217%

Results
9.0ms256×body80valid
2.0ms68×body80invalid

simplify10.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0164
1334
2454
3634
4694
5694

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 8.4b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x y) (* z t))
8.0b
(/ (- (* x y) (* z t)) a)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
9×times-frac
4×add-exp-log add-cbrt-cube add-log-exp
3×associate-/r* associate-/l*
2×pow1 flip3-- flip-- associate-/l/
1×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))
6.0ms
(/ (- (* x y) (* z t)) a)

series24.0ms

Counts
2 → 6
Calls
2 calls:
10.0ms
(- (* x y) (* z t))
14.0ms
(/ (- (* x y) (* z t)) a)

simplify90.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0204313
1717288
22686288
35001288

prune96.0ms

Filtered
37 candidates to 48 candidates (-29.7%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New371148
Fresh000
Picked101
Done000
Total381149

Merged error: 8.1b

Counts
49 → 11

localize8.0ms

Local error

Found 2 expressions with local error:

5.1b
(/ (* t z) a)
7.2b
(/ (* x y) a)

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
12×add-exp-log add-cbrt-cube
6×add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/r*
4×cbrt-undiv div-exp
2×pow1 frac-2neg prod-exp clear-num cbrt-unprod div-inv associate-/l* add-log-exp
Counts
2 → 42
Calls
2 calls:
4.0ms
(/ (* t z) a)
4.0ms
(/ (* x y) a)

series9.0ms

Counts
2 → 6
Calls
2 calls:
4.0ms
(/ (* t z) a)
5.0ms
(/ (* x y) a)

simplify108.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0208170
11006140
24892140
35002140

prune91.0ms

Filtered
32 candidates to 48 candidates (-50.0%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New41748
Fresh5510
Picked101
Done000
Total471259

Merged error: 0.3b

Counts
59 → 12

localize8.0ms

Local error

Found 2 expressions with local error:

5.1b
(/ (* t z) a)
6.2b
(/ x (/ a y))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
46×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
16×associate-/r*
12×add-exp-log add-cbrt-cube
6×div-inv
5×cbrt-undiv div-exp
4×associate-/l*
2×pow1 frac-2neg clear-num add-log-exp
1×prod-exp associate-/r/ cbrt-unprod
Counts
2 → 91
Calls
2 calls:
4.0ms
(/ (* t z) a)
5.0ms
(/ x (/ a y))

series10.0ms

Counts
2 → 6
Calls
2 calls:
4.0ms
(/ (* t z) a)
5.0ms
(/ x (/ a y))

simplify51.0ms

Algorithm
egg-herbie
Counts
97 → 97
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0423537
11847502
25001501

prune118.0ms

Filtered
76 candidates to 97 candidates (-27.6%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New95297
Fresh5611
Picked101
Done000
Total1018109

Merged error: 0b

Counts
109 → 8

localize8.0ms

Local error

Found 2 expressions with local error:

5.1b
(/ (* t z) a)
5.9b
(* x (/ y a))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×times-frac associate-*r*
12×add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
4×pow1
3×cbrt-undiv div-exp associate-*l* prod-exp associate-/r* cbrt-unprod
2×div-inv add-log-exp unswap-sqr
1×frac-2neg associate-*r/ pow-prod-down clear-num *-commutative associate-/l*
Counts
2 → 53
Calls
2 calls:
4.0ms
(/ (* t z) a)
6.0ms
(* x (/ y a))

series9.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ (* t z) a)
5.0ms
(* x (/ y a))

simplify37.0ms

Algorithm
egg-herbie
Counts
59 → 59
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0265218
11243188
25002188

prune45.0ms

Filtered
40 candidates to 59 candidates (-47.5%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New59059
Fresh077
Picked011
Done000
Total59867

Merged error: 0b

Counts
67 → 8

regimes1.0s

Accuracy

87.1% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 7.9b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03116
13116

end0.0ms

sample3.1s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 2.719116%

Guaranteed chance to sample good point: 47.796217%

Results
306.0ms8000×body80valid
115.0ms2954×body80invalid

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