Details

Time bar (total: 3.1s)

sample544.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 89.941406%

Results
12.0ms256×body80valid

simplify35.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0268
1618
21418
33478
47928
550028

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 10.8b

Counts
2 → 1

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
0.9b
(- (* (* z 2.0) z) (* y t))
19.9b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
12×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity add-log-exp
add-cube-cbrt
pow1 cbrt-undiv flip3-- times-frac div-exp prod-exp associate-/r* flip-- cbrt-unprod
sub-neg diff-log associate-/r/
frac-2neg clear-num div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
3 → 51
Calls
3 calls:
8.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
4.0ms
(- (* (* z 2.0) z) (* y t))
12.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series59.0ms

Counts
3 → 9
Calls
3 calls:
25.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
8.0ms
(- (* (* z 2.0) z) (* y t))
26.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify47.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0318564
11519493
25002493

prune104.0ms

Filtered
42 candidates to 60 candidates (-42.9%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New53760
Fresh000
Picked101
Done000
Total54761

Merged error: 4.0b

Counts
61 → 7

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
0.9b
(- (* (* z 2.0) z) (* y t))
5.0b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
17.2b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
28×add-sqr-sqrt *-un-lft-identity
26×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1 div-inv associate-/l*
flip3-- flip--
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod associate-/l/
div-sub associate-/r/ distribute-lft-out-- difference-of-squares
Counts
4 → 102
Calls
4 calls:
10.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
4.0ms
(- (* (* z 2.0) z) (* y t))
8.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
7.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series69.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
8.0ms
(- (* (* z 2.0) z) (* y t))
26.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
10.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify64.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
04721105
12263993
25003988

prune151.0ms

Filtered
84 candidates to 114 candidates (-35.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1113114
Fresh336
Picked101
Done000
Total1156121

Merged error: 2.2b

Counts
121 → 6

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
5.0b
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))
5.3b
(/ (* t y) z)

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
times-frac associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1
flip3-- frac-2neg prod-exp clear-num associate-/r/ flip-- cbrt-unprod div-inv associate-/l*
sub-neg diff-log distribute-lft-out-- difference-of-squares
Counts
3 → 58
Calls
3 calls:
7.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
7.0ms
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))
4.0ms
(/ (* t y) z)

series47.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
23.0ms
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))
5.0ms
(/ (* t y) z)

simplify37.0ms

Algorithm
egg-herbie
Counts
67 → 67
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0312463
11403412
25001412

prune85.0ms

Filtered
46 candidates to 67 candidates (-45.7%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New65267
Fresh325
Picked101
Done000
Total69473

Merged error: 1.0b

Counts
73 → 4

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* y 2.0) (- (* z 2.0) (/ t (/ z y)))))
3.2b
(/ t (/ z y))
5.0b
(/ (* y 2.0) (- (* z 2.0) (/ t (/ z y))))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
49×add-sqr-sqrt *-un-lft-identity
47×add-cube-cbrt
16×associate-/r*
13×add-exp-log add-cbrt-cube
div-inv
cbrt-undiv div-exp add-log-exp
associate-/l*
pow1 associate-/r/
flip3-- frac-2neg clear-num flip--
sub-neg diff-log prod-exp cbrt-unprod distribute-lft-out-- difference-of-squares
Counts
3 → 107
Calls
3 calls:
13.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ t (/ z y)))))
5.0ms
(/ t (/ z y))
13.0ms
(/ (* y 2.0) (- (* z 2.0) (/ t (/ z y))))

series48.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ t (/ z y)))))
5.0ms
(/ t (/ z y))
24.0ms
(/ (* y 2.0) (- (* z 2.0) (/ t (/ z y))))

simplify55.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
0528830
12279774
25001773

prune114.0ms

Filtered
92 candidates to 116 candidates (-26.1%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1160116
Fresh033
Picked011
Done000
Total1164120

Merged error: 1.0b

Counts
120 → 4

regimes246.0ms

Accuracy

-41.3% (2.3b remaining)

Error of 2.9b against oracle of 0.6b and baseline of 2.2b

bsearch42.0ms

Steps
ItersRangePoint
7
3.493783335999971e-167
6.947742300568198e-165
3.5940792936678314e-167
9
7.07011612363586e-294
1.685577285845621e-286
1.6604623612953187e-286

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03616
13616

end0.0ms

sample1.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 89.941406%

Results
397.0ms8000×body80valid

Profiling

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