Details

Time bar (total: 8.5s)

sample3.5s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 84.628219%

Results
9.0ms256×body80valid
1.0ms15×body80invalid

simplify59.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0205
1475
21385
33175
46115
512395
619195
750015

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.0b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

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

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac diff-log associate-/r*
pow1 cbrt-undiv sub-neg flip3-- associate-*r/ div-exp associate--l+ flip-- associate-/l/
associate--l- frac-2neg prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
2 → 39
Calls
2 calls:
6.0ms
(- (- x y) (* z 0.5))
10.0ms
(/ (* 4.0 (- (- x y) (* z 0.5))) z)

series16.0ms

Counts
2 → 6
Calls
2 calls:
6.0ms
(- (- x y) (* z 0.5))
10.0ms
(/ (* 4.0 (- (- x y) (* z 0.5))) z)

simplify31.0ms

Algorithm
egg-herbie
Counts
45 → 45
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0238285
11000242
25002242

prune58.0ms

Filtered
31 candidates to 45 candidates (-45.2%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New42345
Fresh000
Picked011
Done000
Total42446

Merged error: 0b

Counts
46 → 4

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (- x y) (* z 0.5))
0.0b
(/ z (* 4.0 (- (- x y) (* z 0.5))))
0.2b
(/ 1 (/ z (* 4.0 (- (- x y) (* z 0.5)))))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
42×times-frac
29×add-exp-log
23×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
17×add-cbrt-cube
14×div-exp
11×associate-/r/
10×associate-*r/ associate-/r*
add-log-exp
cbrt-undiv
flip3-- flip-- div-inv associate-/l*
pow1 prod-exp
rec-exp diff-log 1-exp
sub-neg frac-2neg associate--l+ clear-num cbrt-unprod
associate--l- pow-flip inv-pow
Counts
3 → 103
Calls
3 calls:
6.0ms
(- (- x y) (* z 0.5))
8.0ms
(/ z (* 4.0 (- (- x y) (* z 0.5))))
13.0ms
(/ 1 (/ z (* 4.0 (- (- x y) (* z 0.5)))))

series28.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(- (- x y) (* z 0.5))
14.0ms
(/ z (* 4.0 (- (- x y) (* z 0.5))))
9.0ms
(/ 1 (/ z (* 4.0 (- (- x y) (* z 0.5)))))

simplify55.0ms

Algorithm
egg-herbie
Counts
112 → 112
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0402934
11961814
25003762

prune86.0ms

Filtered
59 candidates to 112 candidates (-89.8%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New1111112
Fresh202
Picked011
Done101
Total1142116

Merged error: 0b

Counts
116 → 2

localize9.0ms

Local error

Found 3 expressions with local error:

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

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
26×associate-*r*
20×times-frac
19×add-cube-cbrt *-un-lft-identity
13×add-exp-log add-cbrt-cube
add-log-exp
pow1
associate-*l*
associate-*r/ prod-exp cbrt-unprod unswap-sqr
cbrt-undiv diff-log div-exp pow-prod-down *-commutative frac-sub div-inv
sub-neg flip3-- flip3-+ sum-log flip-- flip-+ associate--r+
Counts
3 → 80
Calls
3 calls:
6.0ms
(* 4.0 (/ x z))
7.0ms
(* 4.0 (/ y z))
9.0ms
(- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))

series14.0ms

Counts
3 → 9
Calls
3 calls:
3.0ms
(* 4.0 (/ x z))
3.0ms
(* 4.0 (/ y z))
8.0ms
(- (* 4.0 (/ x z)) (+ (* 4.0 (/ y z)) 2.0))

simplify53.0ms

Algorithm
egg-herbie
Counts
89 → 89
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
0443458
11919422
25001418

prune84.0ms

Filtered
61 candidates to 89 candidates (-45.9%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New89089
Fresh000
Picked011
Done011
Total89291

Merged error: 0b

Counts
91 → 2

regimes161.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0146
1146

end0.0ms

sample4.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 84.628219%

Results
282.0ms8000×body80valid
16.0ms483×body80invalid

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