Details

Time bar (total: 3.5s)

sample1.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 7.931519%

Guaranteed chance to sample good point: 81.716331%

Results
9.0ms256×body80valid
6.0ms45×body80invalid

simplify90.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 7 (36.0ms)

IterNodesCost
0226
1466
21116
32376
44056
55956
69196
726275
850015

prune9.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.0b

Counts
2 → 2

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x z) y)
0.0b
(+ 1.0 (* 4.0 (+ 0.75 (/ (- x z) y))))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l*
add-exp-log add-cbrt-cube distribute-lft-out-- add-log-exp difference-of-squares
associate-/r*
pow1 associate-+r+ associate-/l/
cbrt-undiv +-commutative distribute-rgt-in flip3-- frac-2neg distribute-lft-in flip3-+ div-sub div-exp clear-num sum-log flip-- flip-+ div-inv
Counts
2 → 51
Calls
2 calls:
6.0ms
(/ (- x z) y)
3.0ms
(+ 1.0 (* 4.0 (+ 0.75 (/ (- x z) y))))

series13.0ms

Counts
2 → 6
Calls
2 calls:
6.0ms
(/ (- x z) y)
7.0ms
(+ 1.0 (* 4.0 (+ 0.75 (/ (- x z) y))))

simplify85.0ms

Algorithm
egg-herbie
Counts
57 → 57
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0263320
1854293
23889293
35001293

prune62.0ms

Filtered
42 candidates to 57 candidates (-35.7%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New55257
Fresh101
Picked101
Done000
Total57259

Merged error: 0b

Counts
59 → 2

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×times-frac
22×add-cube-cbrt
19×associate-*r*
add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
associate-/l*
pow1
associate-*l* associate-/r*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 76
Calls
2 calls:
9.0ms
(* 4.0 (/ (- x z) y))
7.0ms
(/ (- x z) y)

series13.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(* 4.0 (/ (- x z) y))
6.0ms
(/ (- x z) y)

simplify35.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0275397
11205366
25001366

prune67.0ms

Filtered
56 candidates to 82 candidates (-46.4%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New81182
Fresh101
Picked101
Done000
Total83184

Merged error: 0b

Counts
84 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
24×*-un-lft-identity
20×times-frac
12×associate-*r*
add-cube-cbrt distribute-lft-out-- difference-of-squares
pow1 add-exp-log associate-*r/ add-cbrt-cube div-inv add-log-exp
sub-neg associate-*l*
distribute-rgt-in flip3-- distribute-rgt-out-- distribute-lft-in frac-sub flip-- sub-div
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
2 → 58
Calls
2 calls:
14.0ms
(- (/ x y) (/ z y))
16.0ms
(* 4.0 (- (/ x y) (/ z y)))

series13.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(- (/ x y) (/ z y))
7.0ms
(* 4.0 (- (/ x y) (/ z y)))

simplify78.0ms

Algorithm
egg-herbie
Counts
64 → 64
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
0235352
1913325
23821325
35001325

prune56.0ms

Filtered
45 candidates to 64 candidates (-42.2%)
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New64064
Fresh000
Picked011
Done000
Total64165

Merged error: 0b

Counts
65 → 1

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0115
1115

end0.0ms

sample1.6s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 7.931519%

Guaranteed chance to sample good point: 81.716331%

Results
293.0ms8000×body80valid
52.0ms1368×body80invalid

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