Details

Time bar (total: 5.4s)

sample27.0ms

Algorithm
intervals
Results
7.0ms247×body80valid
2.0ms16×body640valid
2.0ms20×body320valid
1.0msbody1280valid
1.0ms10×body160valid

simplify81.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
0206
1456
21165
33245
48615
519075
645605
750015
done50015

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.2b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.8b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite28.0ms

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:
26.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series146.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- y x) (- a t))
90.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify60.0ms

Counts
70 → 70
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0269450
1734425
22488423
35002423
done5002423

prune203.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 8.8b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
15.7b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite59.0ms

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:
14.0ms
(/ 1 (- a t))
42.0ms
(* (- y x) (/ 1 (- a t)))
0.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series184.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ 1 (- a t))
53.0ms
(* (- y x) (/ 1 (- a t)))
93.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify46.0ms

Counts
114 → 114
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0351602
11495525
25001481
done5001481

prune276.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 8.8b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
0.6b
(/ 1 (/ (- a t) (- y x)))
15.8b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite66.0ms

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))
27.0ms
(/ 1 (/ (- a t) (- y x)))
0.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series407.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(/ (- a t) (- y x))
220.0ms
(/ 1 (/ (- a t) (- y x)))
128.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify71.0ms

Counts
223 → 223
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
06331907
128101722
250021551
done50021551

prune417.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 8.8b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
4.2b
(+ (/ (- z t) (/ (- a t) (- y x))) x)
6.2b
(/ (- z t) (/ (- a t) (- y x)))

rewrite276.0ms

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:
23.0ms
(/ (- a t) (- y x))
175.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
39.0ms
(/ (- z t) (/ (- a t) (- y x)))

series563.0ms

Counts
3 → 9
Calls
3 calls:
53.0ms
(/ (- a t) (- y x))
188.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
322.0ms
(/ (- z t) (/ (- a t) (- y x)))

simplify118.0ms

Counts
449 → 449
Iterations

Useful iterations: 2 (84.0ms)

IterNodesCost
010363079
142963003
250023001
done50023001

prune1.0s

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 4.9b

regimes529.0ms

Accuracy

55.2% (3.8b remaining)

Error of 7.5b against oracle of 3.7b and baseline of 12.2b

bsearch2.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03661
13661
done3661

end0.0ms

sample752.0ms

Algorithm
intervals
Results
239.0ms7858×body80valid
51.0ms483×body640valid
40.0ms400×body320valid
38.0ms288×body1280valid
14.0ms265×body160valid
3.0ms16×body2560valid