Details

Time bar (total: 6.4s)

sample28.0ms

Algorithm
intervals
Results
10.0ms261×body80valid
2.0ms17×body640valid
2.0msbody1280valid
1.0ms11×body320valid
0.0msbody160valid
0.0msbody2560valid

simplify66.0ms

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: 22.5b

Counts
2 → 1

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
1.5b
(+ x (/ (* (- y x) (- z t)) (- a t)))
16.8b
(/ (* (- y x) (- z t)) (- a t))

rewrite33.0ms

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:
11.0ms
(* (- y x) (- z t))
7.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
12.0ms
(/ (* (- y x) (- z t)) (- a t))

series294.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(* (- y x) (- z t))
152.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
108.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify60.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
0468583
12162534
25003534

prune229.0ms

Filtered
90 candidates to 67 candidates (74.4%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New771390
Fresh000
Picked101
Done000
Total781391

Merged error: 4.4b

Counts
91 → 13

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.5b
(+ x (/ (- y x) (/ (- a t) (- z t))))
1.7b
(/ (- y x) (/ (- a t) (- z t)))

rewrite79.0ms

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))
39.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
14.0ms
(/ (- y x) (/ (- a t) (- z t)))

series391.0ms

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

prune679.0ms

Filtered
283 candidates to 172 candidates (60.8%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New27310283
Fresh8412
Picked101
Done000
Total28214296

Merged error: 4.1b

Counts
296 → 14

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.3b
(* (- a t) (/ 1 (- z t)))
1.7b
(/ (- y x) (* (- a t) (/ 1 (- z t))))
2.5b
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

rewrite47.0ms

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)))
15.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
9.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

series425.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ 1 (- z t))
47.0ms
(* (- a t) (/ 1 (- z t)))
189.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
154.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

simplify63.0ms

Algorithm
egg-herbie
Counts
154 → 154
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0559960
12445832
25001785

prune267.0ms

Filtered
154 candidates to 94 candidates (61.0%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New1522154
Fresh21113
Picked101
Done000
Total15513168

Merged error: 4.1b

Counts
168 → 13

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.7b
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
1.4b
(/ (/ (- a t) (- z t)) (- y x))
3.2b
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

rewrite260.0ms

Algorithm
rewrite-expression-head
Rules
1933×times-frac
1483×*-un-lft-identity
1480×add-sqr-sqrt
624×add-cube-cbrt
428×distribute-lft-out-- difference-of-squares
171×associate-/r*
65×associate-/r/
39×associate-/l*
34×div-inv
33×flip3-- flip--
32×add-exp-log
20×add-cbrt-cube
19×div-exp
10×cbrt-undiv
add-log-exp
pow1
rec-exp frac-2neg 1-exp div-sub clear-num associate-/l/
distribute-lft-out
+-commutative pow-flip flip3-+ sum-log flip-+ inv-pow
Counts
4 → 946
Calls
4 calls:
7.0ms
(/ (- a t) (- z t))
35.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
17.0ms
(/ (/ (- a t) (- z t)) (- y x))
106.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

series653.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ (- a t) (- z t))
291.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
148.0ms
(/ (/ (- a t) (- z t)) (- y x))
164.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

simplify172.0ms

Algorithm
egg-herbie
Counts
958 → 958
Iterations

Useful iterations: 1 (48.0ms)

IterNodesCost
0235413203
1500111834

prune1.2s

Filtered
958 candidates to 358 candidates (37.4%)
Pruning

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New9580958
Fresh01212
Picked011
Done000
Total95813971

Merged error: 4.1b

Counts
971 → 13

regimes328.0ms

Accuracy

18.1% (6.3b remaining)

Error of 10.4b against oracle of 4.1b and baseline of 11.8b

bsearch185.0ms

Steps
ItersRangePoint
7
5.531914779802399e-150
9.75663645696442e-148
5.673734095128166e-150
7
7.793691238196007e-203
1.048885233134807e-200
2.1392467624841266e-202
8
3.101866924303149e-252
2.420055256897338e-248
2.0025643502427094e-249
9
-2.077825720012246e-165
-1.2927802984630144e-170
-1.1644172666068035e-167

simplify3.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04532
14832
25132
35132

end0.0ms

sample808.0ms

Algorithm
intervals
Results
322.0ms7785×body80valid
79.0ms529×body640valid
47.0ms240×body1280valid
45.0ms408×body320valid
21.0ms272×body160valid
3.0ms12×body2560valid