Details

Time bar (total: 4.9s)

sample28.0ms

Algorithm
intervals
Results
9.0ms239×body80valid
3.0ms16×body1280valid
2.0ms13×body640valid
1.0ms12×body320valid
1.0msbody160valid

simplify61.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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: 25.3b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.5b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.4b
(/ (* (- y x) (- z t)) (- a t))

rewrite30.0ms

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))

series307.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(* (- y x) (- z t))
151.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
114.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify57.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0468583
12162534
25003534

prune234.0ms

Filtered
90 candidates to 67 candidates (74.4%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New781290
Fresh000
Picked101
Done000
Total791291

Merged error: 4.3b

Counts
91 → 12

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.3b
(* (- y x) (/ (- z t) (- a t)))
2.5b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite32.0ms

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))
16.0ms
(* (- y x) (/ (- z t) (- a t)))
4.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series364.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(/ (- z t) (- a t))
145.0ms
(* (- y x) (/ (- z t) (- a t)))
155.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify56.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0476869
12018820
25001820

prune256.0ms

Filtered
128 candidates to 83 candidates (64.8%)
Pruning

15 alts after pruning (15 fresh and 0 done)

PrunedKeptTotal
New1235128
Fresh11011
Picked101
Done000
Total12515140

Merged error: 4.3b

Counts
140 → 15

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
2.3b
(* (- y x) (* (- z t) (/ 1 (- a t))))
4.9b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
5.0ms
(/ 1 (- a t))
13.0ms
(* (- z t) (/ 1 (- a t)))
15.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
4.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series357.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ 1 (- a t))
54.0ms
(* (- z t) (/ 1 (- a t)))
113.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
155.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify80.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 2 (67.0ms)

IterNodesCost
05861027
12802910
25003865

prune302.0ms

Filtered
158 candidates to 98 candidates (62.0%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New1562158
Fresh31114
Picked011
Done000
Total15914173

Merged error: 4.3b

Counts
173 → 14

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.5b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.6b
(/ (- y x) (/ (- a t) (- z t)))

rewrite85.0ms

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:
7.0ms
(/ (- a t) (- z t))
38.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
19.0ms
(/ (- y x) (/ (- a t) (- z t)))

series407.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ (- a t) (- z t))
157.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
204.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify112.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
010303053
142632984
250032984

prune527.0ms

Filtered
283 candidates to 172 candidates (60.8%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New2776283
Fresh5712
Picked101
Done011
Total28314297

Merged error: 4.1b

Counts
297 → 14

regimes561.0ms

Accuracy

13.2% (6.9b remaining)

Error of 11.0b against oracle of 4.1b and baseline of 12.1b

bsearch100.0ms

Steps
ItersRangePoint
8
4.654661463081689e-168
6.831425163913281e-165
1.6801047980398177e-165
9
-3.677243742140205e-43
-6.711800384937827e-49
-6.775489710236135e-49

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03114
13114

end0.0ms

sample816.0ms

Algorithm
intervals
Results
314.0ms7727×body80valid
73.0ms477×body640valid
65.0ms325×body1280valid
48.0ms425×body320valid
20.0ms261×body160valid
4.0ms17×body2560valid