Details

Time bar (total: 7.9s)

sample27.0ms

Algorithm
intervals
Results
8.0ms246×body80valid
2.0ms16×body640valid
2.0ms11×body1280valid
1.0ms11×body320valid
0.0msbody160valid
0.0msbody2560valid

simplify93.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.1b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.8b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
9.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series155.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- y x) (- a t))
99.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify70.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0269450
1734425
22488423
35002423

prune231.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 7.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
0.3b
(/ 1 (/ (- a t) (- y x)))
14.7b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
8.0ms
(/ (- a t) (- y x))
12.0ms
(/ 1 (/ (- a t) (- y x)))
1.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series476.0ms

Counts
3 → 9
Calls
3 calls:
56.0ms
(/ (- a t) (- y x))
280.0ms
(/ 1 (/ (- a t) (- y x)))
139.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify82.0ms

Algorithm
egg-herbie
Counts
223 → 223
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
06331907
128101722
250021551

prune514.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 7.4b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
2.7b
(+ (/ (- z t) (/ (- a t) (- y x))) x)
4.5b
(/ (- z t) (/ (- a t) (- y x)))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
610×times-frac
572×*-un-lft-identity
570×add-sqr-sqrt
200×add-cube-cbrt
185×distribute-lft-out-- difference-of-squares
160×fma-def
36×associate-/r*
26×associate-/r/
14×flip3-- flip-- div-inv
10×add-exp-log add-cbrt-cube associate-/l*
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 expm1-log1p-u div-sub log1p-expm1-u
frac-2neg clear-num
+-commutative associate-+l- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 440
Calls
3 calls:
9.0ms
(/ (- a t) (- y x))
66.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
17.0ms
(/ (- z t) (/ (- a t) (- y x)))

series605.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(/ (- a t) (- y x))
195.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
350.0ms
(/ (- z t) (/ (- a t) (- y x)))

simplify122.0ms

Algorithm
egg-herbie
Counts
449 → 449
Iterations

Useful iterations: 2 (91.0ms)

IterNodesCost
010363079
142963003
250023001

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.5b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- y x))
2.7b
(- (/ t (/ (- a t) (- y x))) x)
3.6b
(/ z (/ (- a t) (- y x)))
4.0b
(/ t (/ (- a t) (- y x)))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
1086×times-frac
959×add-sqr-sqrt
952×*-un-lft-identity
526×add-cube-cbrt
294×prod-diff
215×difference-of-squares
213×distribute-lft-out--
98×fma-neg
67×associate-/r*
48×associate-/r/
27×div-inv
23×flip3-- flip--
16×add-exp-log add-cbrt-cube
11×associate-/l*
cbrt-undiv div-exp
add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
frac-2neg clear-num
associate-/l/
sub-neg diff-log div-sub
Counts
4 → 752
Calls
4 calls:
9.0ms
(/ (- a t) (- y x))
54.0ms
(- (/ t (/ (- a t) (- y x))) x)
12.0ms
(/ z (/ (- a t) (- y x)))
13.0ms
(/ t (/ (- a t) (- y x)))

series702.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(/ (- a t) (- y x))
164.0ms
(- (/ t (/ (- a t) (- y x))) x)
175.0ms
(/ z (/ (- a t) (- y x)))
291.0ms
(/ t (/ (- a t) (- y x)))

simplify136.0ms

Algorithm
egg-herbie
Counts
764 → 764
Iterations

Useful iterations: 1 (37.0ms)

IterNodesCost
0156510157
150028230

prune1.9s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.5b

regimes319.0ms

Accuracy

12.5% (6.2b remaining)

Error of 9.8b against oracle of 3.5b and baseline of 10.7b

bsearch150.0ms

Steps
ItersRangePoint
6
5.5729737854534255e+225
8.310748197800496e+226
5.014268344444687e+226
10
9.96385176578107e-174
1.0745767130010427e-161
1.8788542726561286e-162
4
-3.5480952993547097e-40
-2.5734052351795068e-40
-3.3348818478163845e-40

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04642
14642

end0.0ms

sample746.0ms

Algorithm
intervals
Results
286.0ms7786×body80valid
62.0ms455×body640valid
45.0ms427×body320valid
40.0ms248×body1280valid
18.0ms275×body160valid
4.0ms18×body2560valid