Details

Time bar (total: 2.3s)

sample727.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 15.986224%

Space saved by search: 0.146413%

Guaranteed chance to sample good point: 0%

Results
9.0ms256×body80valid
1.0ms18×body80invalid

simplify90.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 7 (35.0ms)

IterNodesCost
0226
1466
21116
32376
44056
55956
69196
726275
850015

prune8.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 0.0b

Counts
2 → 1

localize10.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ 1.0 (* 4.0 (+ 0.25 (/ (- x z) y))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
associate-+r+
pow1 add-exp-log +-commutative distribute-rgt-in add-sqr-sqrt add-cube-cbrt *-un-lft-identity distribute-lft-in flip3-+ sum-log add-cbrt-cube flip-+
Counts
1 → 13
Calls
1 calls:
3.0ms
(+ 1.0 (* 4.0 (+ 0.25 (/ (- x z) y))))

series8.0ms

Counts
1 → 3
Calls
1 calls:
8.0ms
(+ 1.0 (* 4.0 (+ 0.25 (/ (- x z) y))))

simplify52.0ms

Algorithm
egg-herbie
Counts
16 → 16
Iterations

Useful iterations: 2 (13.0ms)

IterNodesCost
0118123
1429112
22049106
35001106

prune24.0ms

Filtered
13 candidates to 16 candidates (-23.1%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New15116
Fresh000
Picked101
Done000
Total16117

Merged error: 0b

Counts
17 → 1

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×associate-*r*
17×*-un-lft-identity
16×times-frac
11×add-cube-cbrt
add-exp-log add-cbrt-cube
pow1 associate-*l* distribute-lft-out-- difference-of-squares
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 38
Calls
1 calls:
9.0ms
(* 4.0 (/ (- x z) y))

series11.0ms

Counts
1 → 3
Calls
1 calls:
11.0ms
(* 4.0 (/ (- x z) y))

simplify96.0ms

Algorithm
egg-herbie
Counts
41 → 41
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0201200
1951179
24580179
35002179

prune35.0ms

Filtered
27 candidates to 41 candidates (-51.9%)
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New41041
Fresh000
Picked011
Done000
Total41142

Merged error: 0b

Counts
42 → 1

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0114
1114

end0.0ms

sample1.2s

Algorithm
intervals
sampling

Space saved by range analysis: 15.986224%

Space saved by search: 0.146413%

Guaranteed chance to sample good point: 0%

Results
304.0ms8000×body80valid
18.0ms498×body80invalid

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