Details

Time bar (total: 3.7s)

sample26.0ms

Algorithm
intervals
Results
7.0ms260×body80valid
1.0ms14×body640valid
1.0ms10×body320valid
1.0msbody1280valid
0.0msbody160valid

simplify68.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
13.0b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite25.0ms

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:
22.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series115.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- y x) (- a t))
72.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify55.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (16.0ms)

IterNodesCost
0269450
1734425
22488423
35002423

prune179.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 6.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
13.0b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
11.0ms
(/ 1 (- a t))
44.0ms
(* (- y x) (/ 1 (- a t)))
0.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series162.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(/ 1 (- a t))
47.0ms
(* (- y x) (/ 1 (- a t)))
86.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify39.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0351602
11495525
25001481

prune252.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 6.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.7b
(+ (* (- z t) (/ (- y x) (- a t))) x)
4.2b
(* (- z t) (/ (- y x) (- a t)))

rewrite106.0ms

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/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 126
Calls
3 calls:
23.0ms
(/ (- y x) (- a t))
22.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
56.0ms
(* (- z t) (/ (- y x) (- a t)))

series288.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (- y x) (- a t))
133.0ms
(+ (* (- z t) (/ (- y x) (- a t))) x)
110.0ms
(* (- z t) (/ (- y x) (- a t)))

simplify56.0ms

Algorithm
egg-herbie
Counts
135 → 135
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
0490904
12049854
25001852

prune327.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 2.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
1.0b
(/ 1 (/ (- a t) (- y x)))
13.0b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite61.0ms

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:
22.0ms
(/ (- a t) (- y x))
28.0ms
(/ 1 (/ (- a t) (- y x)))
0.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series359.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(/ (- a t) (- y x))
205.0ms
(/ 1 (/ (- a t) (- y x)))
112.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify68.0ms

Algorithm
egg-herbie
Counts
223 → 223
Iterations

Useful iterations: 2 (46.0ms)

IterNodesCost
06331907
128101722
250021551

prune342.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 2.6b

regimes272.0ms

Accuracy

22.6% (8.5b remaining)

Error of 12.2b against oracle of 3.7b and baseline of 14.7b

bsearch64.0ms

Steps
ItersRangePoint
4
3.8190548211291673e-104
7.035383739695766e-104
5.946387785554189e-104
9
-1.1608156537149954e-39
-6.177652776114809e-49
-6.280468323025652e-49

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03011
13211
23211

end0.0ms

sample750.0ms

Algorithm
intervals
Results
238.0ms7822×body80valid
52.0ms474×body640valid
38.0ms268×body1280valid
32.0ms405×body320valid
15.0ms278×body160valid
2.0ms15×body2560valid