Details

Time bar (total: 4.1s)

sample32.0ms

Algorithm
intervals
Results
15.0ms499×body80valid

simplify71.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0196
1506
21596
33516
46096
57336
610686
713426
815066
915536
1015536

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 6.3b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* z z) t)
5.9b
(* (* y 4.0) (- (* z z) t))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
associate-*r* add-log-exp
add-cube-cbrt sub-neg *-un-lft-identity pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in flip3-- distribute-lft-in associate-*r/ flip-- difference-of-squares
diff-log associate-*l* *-commutative
Counts
2 → 38
Calls
2 calls:
4.0ms
(- (* z z) t)
8.0ms
(* (* y 4.0) (- (* z z) t))

series82.0ms

Counts
2 → 6
Calls
2 calls:
20.0ms
(- (* z z) t)
62.0ms
(* (* y 4.0) (- (* z z) t))

simplify35.0ms

Algorithm
egg-herbie
Counts
44 → 44
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0214228
1984192
25001191

prune87.0ms

Filtered
44 candidates to 28 candidates (63.6%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New40444
Fresh000
Picked011
Done000
Total40545

Merged error: 2.2b

Counts
45 → 5

localize13.0ms

Local error

Found 4 expressions with local error:

5.9b
(* (* y 4.0) (- (* z z) t))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
associate-*r/
add-sqr-sqrt cbrt-div
add-cube-cbrt *-un-lft-identity
flip3-- associate-*r* flip-- add-log-exp
cbrt-prod pow1/3 pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in sub-neg distribute-lft-in
associate-*l* *-commutative difference-of-squares
Counts
4 → 58
Calls
4 calls:
8.0ms
(* (* y 4.0) (- (* z z) t))
6.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
6.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
6.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

series495.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* (* y 4.0) (- (* z z) t))
146.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
140.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
144.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

simplify39.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0291528
11138466
25001441

prune213.0ms

Filtered
70 candidates to 55 candidates (78.6%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New69170
Fresh033
Picked011
Done011
Total69675

Merged error: 2.2b

Counts
75 → 6

localize19.0ms

Local error

Found 4 expressions with local error:

6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))
6.2b
(cbrt (* (* y 4.0) (- (* z z) t)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-div associate-*r/
pow1 add-exp-log cbrt-prod add-sqr-sqrt add-cube-cbrt flip3-- *-un-lft-identity pow1/3 add-cbrt-cube flip-- add-log-exp
Counts
4 → 44
Calls
4 calls:
6.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
7.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
7.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
7.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

series597.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
165.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
139.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))
150.0ms
(cbrt (* (* y 4.0) (- (* z z) t)))

simplify95.0ms

Algorithm
egg-herbie
Counts
56 → 56
Iterations

Useful iterations: 3 (30.0ms)

IterNodesCost
0158484
1377440
21101408
33390400
45001400

prune223.0ms

Filtered
56 candidates to 52 candidates (92.9%)
Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New56056
Fresh033
Picked011
Done022
Total56662

Merged error: 2.2b

Counts
62 → 6

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ (- (* t t)) (pow z 4)) 4.0)
2.6b
(+ (- (* t t)) (pow z 4))
6.0b
(* (* (+ (- (* t t)) (pow z 4)) 4.0) y)
21.9b
(/ (* (* (+ (- (* t t)) (pow z 4)) 4.0) y) (+ (* z z) t))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
20×add-exp-log add-cbrt-cube
13×*-un-lft-identity
11×pow1 add-sqr-sqrt
10×associate-*l/
add-cube-cbrt
add-log-exp
prod-exp cbrt-unprod
associate-*r*
flip3-+ associate-*l* flip-+
pow-prod-down
cbrt-undiv times-frac div-exp associate-/r*
sum-log associate-/r/ *-commutative associate-/l/ distribute-lft-out
+-commutative neg-sub0 associate-+l- frac-2neg neg-log clear-num div-inv associate-/l* unswap-sqr
Counts
4 → 82
Calls
4 calls:
8.0ms
(* (+ (- (* t t)) (pow z 4)) 4.0)
6.0ms
(+ (- (* t t)) (pow z 4))
10.0ms
(* (* (+ (- (* t t)) (pow z 4)) 4.0) y)
18.0ms
(/ (* (* (+ (- (* t t)) (pow z 4)) 4.0) y) (+ (* z z) t))

series298.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(* (+ (- (* t t)) (pow z 4)) 4.0)
53.0ms
(+ (- (* t t)) (pow z 4))
74.0ms
(* (* (+ (- (* t t)) (pow z 4)) 4.0) y)
94.0ms
(/ (* (* (+ (- (* t t)) (pow z 4)) 4.0) y) (+ (* z z) t))

simplify74.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 2 (66.0ms)

IterNodesCost
0423814
12658627
25001619

prune228.0ms

Filtered
94 candidates to 70 candidates (74.5%)
Pruning

6 alts after pruning (2 fresh and 4 done)

PrunedKeptTotal
New94094
Fresh022
Picked011
Done033
Total946100

Merged error: 2.2b

Counts
100 → 6

regimes399.0ms

Accuracy

80.3% (0.6b remaining)

Error of 3.1b against oracle of 2.5b and baseline of 5.6b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02516
12516

end0.0ms

sample911.0ms

Algorithm
intervals
Results
499.0ms15662×body80valid