Details

Time bar (total: 7.4s)

sample2.6s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.598145%

Guaranteed chance to sample good point: 44.823775%

Results
9.0ms256×body80valid
1.0ms20×body80invalid

simplify47.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0205
1345
2555
3935
41495
51845
62025
72295
82805
93725
104655
117685
128765
138785
148785

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 2.1b

Counts
2 → 1

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.5b
(* y (/ (- z t) (- a t)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
8.0ms
(/ (- z t) (- a t))
13.0ms
(* y (/ (- z t) (- a t)))

series24.0ms

Counts
2 → 6
Calls
2 calls:
9.0ms
(/ (- z t) (- a t))
15.0ms
(* y (/ (- z t) (- a t)))

simplify41.0ms

Algorithm
egg-herbie
Counts
108 → 108
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0349647
11396606
25002606

prune112.0ms

Filtered
71 candidates to 108 candidates (-52.1%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New1035108
Fresh000
Picked011
Done000
Total1036109

Merged error: 0.0b

Counts
109 → 6

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- z t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
20×cbrt-prod
16×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt cbrt-div
pow1 add-exp-log flip3-- pow1/3 add-cbrt-cube flip-- distribute-lft-out-- add-log-exp difference-of-squares
Counts
4 → 60
Calls
4 calls:
3.0ms
(cbrt (- z t))
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))

series105.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(cbrt (- z t))
28.0ms
(cbrt (- a t))
25.0ms
(cbrt (- a t))
27.0ms
(cbrt (- a t))

simplify45.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (39.0ms)

IterNodesCost
0244444
1537424
21500384
35001351

prune100.0ms

Filtered
56 candidates to 72 candidates (-28.6%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New71172
Fresh044
Picked011
Done011
Total71778

Merged error: 0.0b

Counts
78 → 7

localize22.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
20×cbrt-prod
16×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt cbrt-div
pow1 add-exp-log flip3-- pow1/3 add-cbrt-cube flip-- distribute-lft-out-- add-log-exp difference-of-squares
Counts
4 → 60
Calls
4 calls:
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))

series103.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(cbrt (- a t))
25.0ms
(cbrt (- a t))
25.0ms
(cbrt (- a t))
27.0ms
(cbrt (- a t))

simplify142.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (28.0ms)

IterNodesCost
0152444
1339424
2940384
33773348
45001348

prune102.0ms

Filtered
56 candidates to 72 candidates (-28.6%)
Pruning

7 alts after pruning (4 fresh and 3 done)

PrunedKeptTotal
New72072
Fresh044
Picked011
Done022
Total72779

Merged error: 0.0b

Counts
79 → 7

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
8.9b
(/ (* y (- z t)) (- a t))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity
add-exp-log add-cbrt-cube
add-cube-cbrt
times-frac associate-*r* associate-/r*
pow1 associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 55
Calls
2 calls:
6.0ms
(* y (- z t))
8.0ms
(/ (* y (- z t)) (- a t))

series22.0ms

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

simplify34.0ms

Algorithm
egg-herbie
Counts
61 → 61
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0264276
11211239
25001239

prune47.0ms

Filtered
36 candidates to 61 candidates (-69.4%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New59261
Fresh213
Picked011
Done123
Total62668

Merged error: 0b

Counts
68 → 6

regimes614.0ms

Accuracy

0% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 0.7b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02527
12527

end0.0ms

sample3.2s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0.598145%

Guaranteed chance to sample good point: 44.823775%

Results
331.0ms7998×body80valid
31.0ms660×body80invalid
0.0msbody1280valid
0.0msbody640valid

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