Details

Time bar (total: 4.9s)

sample25.0ms

Algorithm
intervals
Results
8.0ms250×body80valid
2.0ms19×body640valid
1.0ms12×body320valid
1.0msbody1280valid
0.0msbody160valid

simplify67.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0206
1456
21116
32886
47146
514936
633936
750026

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: 26.0b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.0b
(+ x (/ (* (- y x) (- z t)) (- a t)))
19.0b
(/ (* (- y x) (- z t)) (- a t))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
9.0ms
(* (- y x) (- z t))
7.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
12.0ms
(/ (* (- y x) (- z t)) (- a t))

series311.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* (- y x) (- z t))
162.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
113.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify59.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0468583
12162534
25003534

prune248.0ms

Filtered
90 candidates to 67 candidates (74.4%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New791190
Fresh000
Picked101
Done000
Total801191

Merged error: 4.0b

Counts
91 → 11

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.0b
(+ x (* (- y x) (/ (- z t) (- a t))))
2.6b
(* (- y x) (/ (- z t) (- a t)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
8.0ms
(/ (- z t) (- a t))
3.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
20.0ms
(* (- y x) (/ (- z t) (- a t)))

series313.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(/ (- z t) (- a t))
154.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
112.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify63.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
0476869
12018820
25001820

prune306.0ms

Filtered
128 candidates to 84 candidates (65.6%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New11810128
Fresh6410
Picked101
Done000
Total12514139

Merged error: 3.9b

Counts
139 → 14

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ z (- a t))
0.0b
(- (/ z (- a t)) (/ t (- a t)))
2.0b
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))
2.6b
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
82×*-un-lft-identity
64×add-sqr-sqrt
51×times-frac
29×distribute-lft-out--
20×add-cube-cbrt
18×associate-*r*
17×difference-of-squares
14×flip3-- flip--
10×associate-/r/
add-exp-log frac-times add-cbrt-cube add-log-exp
pow1 distribute-rgt-out--
sub-neg associate-*l* associate-/r* div-inv
distribute-rgt-in associate-+r+ distribute-lft-in associate-*r/ frac-sub sub-div
associate-/l*
associate-*l/
cbrt-undiv +-commutative frac-2neg flip3-+ diff-log div-exp pow-prod-down prod-exp clear-num sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 134
Calls
4 calls:
6.0ms
(/ z (- a t))
28.0ms
(- (/ z (- a t)) (/ t (- a t)))
7.0ms
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))
39.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

series362.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(/ z (- a t))
64.0ms
(- (/ z (- a t)) (/ t (- a t)))
159.0ms
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))
112.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

simplify70.0ms

Algorithm
egg-herbie
Counts
146 → 146
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
05501126
123661072
250021072

prune433.0ms

Filtered
146 candidates to 109 candidates (74.7%)
Pruning

15 alts after pruning (14 fresh and 1 done)

PrunedKeptTotal
New1406146
Fresh5813
Picked011
Done000
Total14515160

Merged error: 3.9b

Counts
160 → 15

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.0b
(+ x (/ (- y x) (/ (- a t) (- z t))))
3.0b
(/ (- y x) (/ (- a t) (- z t)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-exp-log add-cbrt-cube associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
13.0ms
(/ (- a t) (- z t))
73.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
27.0ms
(/ (- y x) (/ (- a t) (- z t)))

series390.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (- a t) (- z t))
148.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
197.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify106.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
010303053
142632984
250032984

prune592.0ms

Filtered
283 candidates to 172 candidates (60.8%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New2785283
Fresh6713
Picked101
Done101
Total28612298

Merged error: 3.9b

Counts
298 → 12

regimes299.0ms

Accuracy

-0.3% (7.4b remaining)

Error of 11.7b against oracle of 4.3b and baseline of 11.7b

bsearch189.0ms

Steps
ItersRangePoint
9
1.9908101505403098e-192
1.5032745506547678e-187
2.5021366598236835e-191
9
-2.0939008728128375e-165
-5.754752544746523e-173
-3.4260995767552516e-167
7
-2.3670312174782002e-57
-1.0708116427781383e-58
-4.819571159715696e-58
9
-0.0011167250079306748
-1.394695875033139e-08
-1.4065350202544076e-08

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04334
14334

end0.0ms

sample743.0ms

Algorithm
intervals
Results
280.0ms7757×body80valid
69.0ms501×body640valid
50.0ms291×body1280valid
38.0ms391×body320valid
16.0ms246×body160valid
3.0ms16×body2560valid