Details

Time bar (total: 1.3s)

sample29.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 50%

Space saved by search: 50%

Guaranteed chance to sample good point: 47.04159%

Results
12.0ms256×body80valid
3.0ms256×pre80true

simplify30.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (29.0ms)

IterNodesCost
03112
116811
29659
350018

prune6.0ms

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: 16.8b

Counts
2 → 1

localize8.0ms

Local error

Found 1 expressions with local error:

16.3b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp
associate-*l/ associate-/r/
pow1 add-sqr-sqrt add-cube-cbrt flip3-- frac-2neg *-un-lft-identity times-frac clear-num associate-/r* flip-- div-inv associate-/l* add-log-exp
Counts
1 → 27
Calls
1 calls:
13.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series5.0ms

Counts
1 → 3
Calls
1 calls:
5.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify39.0ms

Algorithm
egg-herbie
Counts
30 → 30
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0311392
11550273
25001273

prune35.0ms

Filtered
17 candidates to 30 candidates (-76.5%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New28230
Fresh000
Picked011
Done000
Total28331

Merged error: 0b

Counts
31 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
15.7b
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
25×add-exp-log add-cbrt-cube
20×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
10×cbrt-undiv div-exp associate-/r*
prod-exp cbrt-unprod div-inv
associate-/l*
pow1 frac-2neg associate-*l/ clear-num associate-/l/ add-log-exp
flip3-- associate-/r/ flip--
Counts
2 → 75
Calls
2 calls:
12.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
13.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

series16.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
11.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

simplify58.0ms

Algorithm
egg-herbie
Counts
81 → 81
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
0443962
12261814
25001808

prune87.0ms

Filtered
59 candidates to 81 candidates (-37.3%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New80181
Fresh101
Picked011
Done011
Total81384

Merged error: 0b

Counts
84 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* 16.0 i) (* 4.0 (/ 1 i)))
0.1b
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 41
Calls
2 calls:
3.0ms
(- (* 16.0 i) (* 4.0 (/ 1 i)))
5.0ms
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

series11.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(- (* 16.0 i) (* 4.0 (/ 1 i)))
5.0ms
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

simplify211.0ms

Algorithm
egg-herbie
Counts
47 → 47
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0223402
1845369
24348365
35001365

prune62.0ms

Filtered
36 candidates to 47 candidates (-30.6%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New47047
Fresh000
Picked011
Done022
Total47350

Merged error: 0b

Counts
50 → 3

regimes27.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0135
1135

end0.0ms

sample636.0ms

Algorithm
intervals
sampling

Space saved by range analysis: 50%

Space saved by search: 50%

Guaranteed chance to sample good point: 47.04159%

Results
398.0ms8000×body80valid
90.0ms8000×pre80true

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