Details

Time bar (total: 4.6s)

sample29.0ms

Algorithm
intervals
Results
11.0ms243×body80valid
2.0ms11×body1280valid
2.0ms15×body320valid
1.0msbody640valid
1.0ms10×body160valid

simplify60.0ms

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: 25.1b

Counts
2 → 1

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.2b
(+ x (/ (* (- y x) (- z t)) (- a t)))
19.1b
(/ (* (- 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))

series293.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(* (- y x) (- z t))
149.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
106.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify62.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
0468583
12162534
25003534

prune240.0ms

Filtered
90 candidates to 67 candidates (74.4%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New801090
Fresh000
Picked101
Done000
Total811091

Merged error: 3.6b

Counts
91 → 10

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.3b
(/ (- y x) (/ (- a t) (- z t)))
3.2b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite80.0ms

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:
8.0ms
(/ (- a t) (- z t))
18.0ms
(/ (- y x) (/ (- a t) (- z t)))
38.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series389.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(/ (- a t) (- z t))
189.0ms
(/ (- y x) (/ (- a t) (- z t)))
153.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify104.0ms

Algorithm
egg-herbie
Counts
283 → 283
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
010303053
142632984
250032984

prune532.0ms

Filtered
283 candidates to 172 candidates (60.8%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New2749283
Fresh639
Picked101
Done000
Total28112293

Merged error: 3.5b

Counts
293 → 12

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.2b
(* (- a t) (/ 1 (- z t)))
2.3b
(/ (- y x) (* (- a t) (/ 1 (- z t))))
4.4b
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
49×*-un-lft-identity
37×times-frac
32×add-exp-log
26×add-cube-cbrt
21×associate-*r*
20×add-cbrt-cube
11×div-exp
10×associate-/r/ distribute-lft-out-- difference-of-squares
prod-exp associate-/l*
pow1 flip3-- flip--
cbrt-undiv associate-/r* add-log-exp
associate-*l*
frac-times associate-*l/ cbrt-unprod
rec-exp 1-exp div-inv unswap-sqr
frac-2neg div-sub associate-*r/ clear-num un-div-inv associate-/l/
+-commutative associate-+r- pow-flip flip3-+ pow-prod-down sum-log *-commutative flip-+ distribute-lft-out inv-pow
Counts
4 → 142
Calls
4 calls:
5.0ms
(/ 1 (- z t))
13.0ms
(* (- a t) (/ 1 (- z t)))
16.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
8.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

series501.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(/ 1 (- z t))
65.0ms
(* (- a t) (/ 1 (- z t)))
249.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
150.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

simplify62.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0559960
12445832
25001785

prune296.0ms

Filtered
154 candidates to 95 candidates (61.7%)
Pruning

12 alts after pruning (11 fresh and 1 done)

PrunedKeptTotal
New1531154
Fresh11011
Picked011
Done000
Total15412166

Merged error: 3.5b

Counts
166 → 12

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.1b
(* (- y x) (/ (- z t) (- a t)))
3.2b
(+ 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))))

series323.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ (- z t) (- a t))
114.0ms
(* (- y x) (/ (- z t) (- a t)))
159.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify60.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
0476869
12018820
25001820

prune240.0ms

Filtered
128 candidates to 87 candidates (68.0%)
Pruning

13 alts after pruning (11 fresh and 2 done)

PrunedKeptTotal
New1262128
Fresh1910
Picked011
Done011
Total12713140

Merged error: 3.5b

Counts
140 → 13

regimes282.0ms

Accuracy

12.3% (6.9b remaining)

Error of 11.0b against oracle of 4.2b and baseline of 12.0b

bsearch156.0ms

Steps
ItersRangePoint
6
8.869983274952015e-138
1.2853197318124835e-136
1.8290058539643158e-137
7
-2.6039435892411817e-256
-5.035163228635179e-258
-2.5142637093147727e-256
8
-1.8633285949121826e-198
-4.709989452047062e-202
-5.759069533568762e-202
6
-2.104354909493457e-152
-1.688171996528057e-153
-1.9975742700347867e-153

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04732
14732

end0.0ms

sample777.0ms

Algorithm
intervals
Results
306.0ms7676×body80valid
68.0ms487×body640valid
50.0ms451×body320valid
45.0ms253×body1280valid
21.0ms296×body160valid
4.0ms17×body2560valid