Details

Time bar (total: 5.9s)

sample1.9s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.402832%

Guaranteed chance to sample good point: 59.627405%

Results
9.0ms256×body80valid
1.0ms24×body80invalid

simplify16.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0194
1444
2824
31324
41754
52084
62214
72214

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: 5.9b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
5.9b
(/ x (/ (* z (- y t)) 2.0))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
24×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
13×add-exp-log add-cbrt-cube
7×associate-/r*
5×cbrt-undiv div-exp associate-*r* div-inv
4×pow1
3×associate-*l* associate-/l*
2×distribute-rgt-in sub-neg distribute-lft-in associate-*r/ prod-exp cbrt-unprod add-log-exp
1×flip3-- frac-2neg pow-prod-down clear-num associate-/r/ *-commutative flip-- distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 74
Calls
2 calls:
6.0ms
(* z (- y t))
7.0ms
(/ x (/ (* z (- y t)) 2.0))

series22.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(* z (- y t))
15.0ms
(/ x (/ (* z (- y t)) 2.0))

simplify42.0ms

Algorithm
egg-herbie
Counts
80 → 80
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0353467
11535417
25002414

prune114.0ms

Filtered
57 candidates to 80 candidates (-40.4%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New73780
Fresh000
Picked011
Done000
Total73881

Merged error: 0b

Counts
81 → 8

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (- y t))
0.2b
(/ (/ 2.0 (- y t)) z)
5.6b
(* x (/ (/ 2.0 (- y t)) z))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
249×times-frac
180×add-sqr-sqrt
171×*-un-lft-identity
121×add-cube-cbrt
67×associate-*r*
25×distribute-lft-out-- difference-of-squares
24×associate-/l*
19×add-exp-log add-cbrt-cube
16×associate-/r/
10×div-inv
8×flip3-- associate-/r* flip--
7×cbrt-undiv div-exp
5×pow1
3×associate-*l* prod-exp cbrt-unprod add-log-exp unswap-sqr
2×frac-2neg clear-num
1×associate-*r/ pow-prod-down *-commutative associate-/l/
Counts
3 → 228
Calls
3 calls:
5.0ms
(/ 2.0 (- y t))
9.0ms
(/ (/ 2.0 (- y t)) z)
20.0ms
(* x (/ (/ 2.0 (- y t)) z))

series30.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(/ 2.0 (- y t))
10.0ms
(/ (/ 2.0 (- y t)) z)
15.0ms
(* x (/ (/ 2.0 (- y t)) z))

simplify83.0ms

Algorithm
egg-herbie
Counts
237 → 237
Iterations

Useful iterations: 1 (19.0ms)

IterNodesCost
07421638
134181557
250021557

prune267.0ms

Filtered
177 candidates to 237 candidates (-33.9%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New2352237
Fresh336
Picked011
Done011
Total2387245

Merged error: 0b

Counts
245 → 7

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 2.0 (- y t))
0.2b
(* x (/ 2.0 (- y t)))
5.8b
(/ (* x (/ 2.0 (- y t))) z)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
34×times-frac
25×add-cube-cbrt
21×associate-*r*
19×add-exp-log add-cbrt-cube
8×associate-/r*
7×distribute-lft-out-- difference-of-squares
6×cbrt-undiv div-exp
5×pow1
4×prod-exp associate-/r/ cbrt-unprod associate-/l*
3×associate-*l* div-inv add-log-exp
2×flip3-- frac-2neg associate-*r/ clear-num flip-- unswap-sqr
1×pow-prod-down *-commutative associate-/l/
Counts
3 → 101
Calls
3 calls:
5.0ms
(/ 2.0 (- y t))
10.0ms
(* x (/ 2.0 (- y t)))
8.0ms
(/ (* x (/ 2.0 (- y t))) z)

series27.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(/ 2.0 (- y t))
7.0ms
(* x (/ 2.0 (- y t)))
15.0ms
(/ (* x (/ 2.0 (- y t))) z)

simplify49.0ms

Algorithm
egg-herbie
Counts
110 → 110
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0345541
11621474
25002474

prune104.0ms

Filtered
75 candidates to 110 candidates (-46.7%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New1091110
Fresh224
Picked101
Done022
Total1125117

Merged error: 0b

Counts
117 → 5

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (* x 2.0) (- y t))
5.8b
(/ (/ (* x 2.0) (- y t)) z)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
58×times-frac
36×add-sqr-sqrt *-un-lft-identity
24×add-cube-cbrt
16×add-exp-log add-cbrt-cube
12×associate-/l*
10×associate-/r/
8×associate-/r*
7×cbrt-undiv div-exp
6×div-inv distribute-lft-out-- difference-of-squares
5×flip3-- flip--
2×pow1 frac-2neg prod-exp clear-num cbrt-unprod add-log-exp
1×associate-/l/
Counts
2 → 91
Calls
2 calls:
6.0ms
(/ (* x 2.0) (- y t))
10.0ms
(/ (/ (* x 2.0) (- y t)) z)

series22.0ms

Counts
2 → 6
Calls
2 calls:
7.0ms
(/ (* x 2.0) (- y t))
15.0ms
(/ (/ (* x 2.0) (- y t)) z)

simplify47.0ms

Algorithm
egg-herbie
Counts
97 → 97
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0407647
11819587
25001587

prune82.0ms

Filtered
71 candidates to 97 candidates (-36.6%)
Pruning

5 alts after pruning (2 fresh and 3 done)

PrunedKeptTotal
New97097
Fresh022
Picked011
Done022
Total975102

Merged error: 0b

Counts
102 → 5

regimes337.0ms

Accuracy

52.7% (2.5b remaining)

Error of 2.5b against oracle of 0.0b and baseline of 5.3b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02310
12310

end0.0ms

sample2.5s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.402832%

Guaranteed chance to sample good point: 59.627405%

Results
305.0ms8000×body80valid
26.0ms718×body80invalid

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