Details

Time bar (total: 3.5s)

sample25.0ms

Algorithm
intervals
Results
8.0ms252×body80valid
1.0ms13×body640valid
1.0ms16×body320valid
1.0msbody1280valid
1.0ms12×body160valid

simplify72.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.9b

localize205.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.1b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite15.0ms

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:
12.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series132.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (- y x) (- a t))
84.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify60.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (19.0ms)

IterNodesCost
0269450
1734425
22488423
35002423

prune194.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 6.2b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
14.1b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite35.0ms

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:
8.0ms
(/ 1 (- a t))
24.0ms
(* (- y x) (/ 1 (- a t)))
0.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series161.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(/ 1 (- a t))
47.0ms
(* (- y x) (/ 1 (- a t)))
80.0ms
(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

prune243.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 6.2b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.1b
(fma (* 1 (/ (- y x) (- a t))) (- z t) x)

rewrite14.0ms

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:
12.0ms
(/ (- y x) (- a t))
0.0ms
(fma (* 1 (/ (- y x) (- a t))) (- z t) x)

series128.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- y x) (- a t))
81.0ms
(fma (* 1 (/ (- y x) (- a t))) (- z t) x)

simplify62.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 3 (56.0ms)

IterNodesCost
0273462
1799434
22926432
35002431

prune201.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 6.2b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
0.2b
(/ 1 (/ (- a t) (- y x)))
14.1b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite43.0ms

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:
12.0ms
(/ (- a t) (- y x))
15.0ms
(/ 1 (/ (- a t) (- y x)))
0.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series390.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(/ (- a t) (- y x))
223.0ms
(/ 1 (/ (- a t) (- y x)))
120.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify69.0ms

Algorithm
egg-herbie
Counts
223 → 223
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
06331907
128101722
250021551

prune341.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 6.2b

regimes362.0ms

Accuracy

48% (4.3b remaining)

Error of 11.0b against oracle of 6.7b and baseline of 15.0b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03437
13437

end0.0ms

sample672.0ms

Algorithm
intervals
Results
243.0ms7772×body80valid
58.0ms494×body640valid
42.0ms255×body1280valid
36.0ms426×body320valid
18.0ms269×body160valid
2.0ms12×body2560valid