Details

Time bar (total: 9.8s)

sample3.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 5.438232%

Guaranteed chance to sample good point: 19.157039%

Results
9.0ms256×body80valid
3.0ms87×body80invalid

simplify9.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0164
1334
2454
3634
4694
5694

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 9.7b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.2b
(- (* x y) (* z t))
9.2b
(/ (- (* 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))
5.0ms
(/ (- (* x y) (* z t)) a)

series24.0ms

Counts
2 → 6
Calls
2 calls:
10.0ms
(- (* x y) (* z t))
15.0ms
(/ (- (* x y) (* z t)) a)

simplify81.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0204313
1717288
22686288
35001288

prune104.0ms

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: 9.3b

Counts
49 → 11

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ (* x y) a) (/ (* t z) a))
6.1b
(/ (* t z) a)
7.3b
(/ (* x y) a)

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
9×add-sqr-sqrt *-un-lft-identity
7×add-cube-cbrt
6×times-frac associate-/r*
5×add-log-exp
4×cbrt-undiv div-exp div-inv
3×pow1
2×frac-2neg prod-exp clear-num cbrt-unprod associate-/l*
1×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)

series26.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(- (/ (* x y) a) (/ (* t z) a))
4.0ms
(/ (* t z) a)
5.0ms
(/ (* x y) a)

simplify33.0ms

Algorithm
egg-herbie
Counts
68 → 68
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0275315
11238283
25001283

prune102.0ms

Filtered
46 candidates to 68 candidates (-47.8%)
Pruning

12 alts after pruning (11 fresh and 1 done)

PrunedKeptTotal
New62668
Fresh5510
Picked011
Done000
Total671279

Merged error: 0.3b

Counts
79 → 12

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt a)
0.5b
(cbrt a)
3.8b
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
6.1b
(/ (* t z) a)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
39×add-sqr-sqrt
31×times-frac
30×add-exp-log
23×add-cube-cbrt *-un-lft-identity add-cbrt-cube
22×associate-*r*
17×cbrt-prod
9×cbrt-undiv div-exp prod-exp cbrt-unprod
7×associate-*l*
6×pow1 unswap-sqr
4×add-log-exp
3×associate-/r* div-inv
2×pow1/3
1×frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative associate-/l*
Counts
4 → 102
Calls
4 calls:
1.0ms
(cbrt a)
1.0ms
(cbrt a)
14.0ms
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
4.0ms
(/ (* t z) a)

series58.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(cbrt a)
22.0ms
(cbrt a)
10.0ms
(* (/ x (* (cbrt a) (cbrt a))) (/ y (cbrt a)))
5.0ms
(/ (* t z) a)

simplify61.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
0540790
12622684
25002631

prune140.0ms

Filtered
82 candidates to 114 candidates (-39.0%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New1113114
Fresh3710
Picked101
Done101
Total11610126

Merged error: 0b

Counts
126 → 10

localize17.0ms

Local error

Found 4 expressions with local error:

4.2b
(cbrt (/ y (cbrt a)))
4.2b
(cbrt (/ y (cbrt a)))
4.2b
(cbrt (/ y (cbrt a)))
6.1b
(/ (* t z) a)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
93×cbrt-prod
57×times-frac
45×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
9×add-exp-log add-cbrt-cube
4×pow1 div-inv add-log-exp
3×cbrt-div pow1/3 associate-/r*
2×cbrt-undiv div-exp
1×frac-2neg prod-exp clear-num cbrt-unprod associate-/l*
Counts
4 → 114
Calls
4 calls:
3.0ms
(cbrt (/ y (cbrt a)))
3.0ms
(cbrt (/ y (cbrt a)))
3.0ms
(cbrt (/ y (cbrt a)))
4.0ms
(/ (* t z) a)

series90.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(cbrt (/ y (cbrt a)))
28.0ms
(cbrt (/ y (cbrt a)))
30.0ms
(cbrt (/ y (cbrt a)))
5.0ms
(/ (* t z) a)

simplify141.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 3 (130.0ms)

IterNodesCost
0302943
1951889
24751850
35002829

prune119.0ms

Filtered
97 candidates to 126 candidates (-29.9%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1260126
Fresh099
Picked011
Done000
Total12610136

Merged error: 0b

Counts
136 → 10

regimes1.2s

Accuracy

86.7% (1.0b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 7.8b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03421
13421

end0.0ms

sample4.3s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 5.438232%

Guaranteed chance to sample good point: 19.157039%

Results
306.0ms8000×body80valid
104.0ms2452×body80invalid

Profiling

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