Details

Time bar (total: 2.9s)

sample766.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 84.628219%

Results
8.0ms256×body80valid
1.0ms17×body80invalid

simplify53.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0205
1475
21385
33175
46115
512395
619195
750015

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.0b

Counts
2 → 1

localize7.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (* 4.0 (- (- x y) (* z 0.5))) z)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/r*
cbrt-undiv associate-*r/ div-exp associate-/l/
pow1 flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod div-inv associate-/l* add-log-exp
Counts
1 → 23
Calls
1 calls:
10.0ms
(/ (* 4.0 (- (- x y) (* z 0.5))) z)

series10.0ms

Counts
1 → 3
Calls
1 calls:
10.0ms
(/ (* 4.0 (- (- x y) (* z 0.5))) z)

simplify89.0ms

Algorithm
egg-herbie
Counts
26 → 26
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
0187192
1790156
24301156
35002156

prune36.0ms

Filtered
19 candidates to 26 candidates (-36.8%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New24226
Fresh000
Picked011
Done000
Total24327

Merged error: 0b

Counts
27 → 3

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* 4.0 (/ (- x y) z)) (neg 2.0))
0.0b
(* 4.0 (/ (- x y) z))
0.0b
(/ (- x y) z)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
37×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
19×associate-*r*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- add-log-exp difference-of-squares
pow1 associate-/l*
associate-*l* associate-/r*
cbrt-undiv div-exp prod-exp sum-log cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative neg-sub0 associate-+r- flip3-- frac-2neg flip3-+ div-sub associate-*r/ unsub-neg pow-prod-down neg-log clear-num *-commutative flip-- flip-+
Counts
3 → 91
Calls
3 calls:
8.0ms
(+ (* 4.0 (/ (- x y) z)) (neg 2.0))
9.0ms
(* 4.0 (/ (- x y) z))
6.0ms
(/ (- x y) z)

series23.0ms

Counts
3 → 9
Calls
3 calls:
7.0ms
(+ (* 4.0 (/ (- x y) z)) (neg 2.0))
10.0ms
(* 4.0 (/ (- x y) z))
6.0ms
(/ (- x y) z)

simplify46.0ms

Algorithm
egg-herbie
Counts
100 → 100
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0363514
11659474
25001471

prune84.0ms

Filtered
67 candidates to 100 candidates (-49.3%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New991100
Fresh101
Picked101
Done011
Total1012103

Merged error: 0b

Counts
103 → 2

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 4.0 (- (/ x z) (/ y z)))
0.0b
(+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0))
0.0b
(- (/ x z) (/ y z))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt
25×*-un-lft-identity
20×times-frac
12×associate-*r*
add-cube-cbrt add-log-exp
distribute-lft-out-- difference-of-squares
pow1 add-exp-log sub-neg add-cbrt-cube
distribute-rgt-in associate-+l+ distribute-lft-in associate-*r/ div-inv
associate-*l*
flip3-- distribute-rgt-out-- sum-log frac-sub flip-- sub-div
+-commutative neg-sub0 associate-+r- flip3-+ diff-log unsub-neg pow-prod-down neg-log prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 77
Calls
3 calls:
16.0ms
(* 4.0 (- (/ x z) (/ y z)))
19.0ms
(+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0))
13.0ms
(- (/ x z) (/ y z))

series21.0ms

Counts
3 → 9
Calls
3 calls:
8.0ms
(* 4.0 (- (/ x z) (/ y z)))
7.0ms
(+ (* 4.0 (- (/ x z) (/ y z))) (neg 2.0))
6.0ms
(- (/ x z) (/ y z))

simplify41.0ms

Algorithm
egg-herbie
Counts
86 → 86
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0326506
11349470
25002467

prune74.0ms

Filtered
58 candidates to 86 candidates (-48.3%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New86086
Fresh000
Picked011
Done011
Total86288

Merged error: 0b

Counts
88 → 2

regimes200.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0125
1125

end0.0ms

sample1.3s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 84.628219%

Results
274.0ms8000×body80valid
17.0ms522×body80invalid

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