Details

Time bar (total: 24.1s)

sample44.0ms

Algorithm
intervals
Results
17.0ms255×body80valid
3.0ms16×body640valid
1.0ms12×body320valid
1.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify2.7s

Counts
1 → 1
Iterations

Useful iterations: 3 (17.0ms)

IterNodesCost
01113
12013
24513
311612
432612
5100212
6398412
done500012

prune37.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.7b

localize30.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
14.3b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite58.0ms

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:
52.0ms
(/ (- y x) (- a t))
1.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series254.0ms

Counts
2 → 6
Calls
2 calls:
101.0ms
(/ (- y x) (- a t))
153.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify2.7s

Counts
70 → 70
Iterations

Useful iterations: 3 (822.0ms)

IterNodesCost
0118918
1275890
2851838
34610836
done5000836

prune487.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 7.6b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- y x) (/ 1 (- a t)))
14.2b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite77.0ms

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))
58.0ms
(* (- y x) (/ 1 (- a t)))
1.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series378.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(/ 1 (- a t))
122.0ms
(* (- y x) (/ 1 (- a t)))
180.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify6.4s

Counts
114 → 114
Iterations

Useful iterations: done (6.4s)

IterNodesCost
01551285
13741129
22964954
done5001952

prune644.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 7.6b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
0.5b
(/ 1 (/ (- a t) (- y x)))
14.3b
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

rewrite102.0ms

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:
42.0ms
(/ (- a t) (- y x))
42.0ms
(/ 1 (/ (- a t) (- y x)))
1.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

series601.0ms

Counts
3 → 9
Calls
3 calls:
93.0ms
(/ (- a t) (- y x))
319.0ms
(/ 1 (/ (- a t) (- y x)))
188.0ms
(fma (/ 1 (/ (- a t) (- y x))) (- z t) x)

simplify1.6s

Counts
223 → 223
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02743778
17163266
233793035
done50013029

prune808.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 7.6b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- y x))
4.0b
(+ (/ (- z t) (/ (- a t) (- y x))) x)
5.2b
(/ (- z t) (/ (- a t) (- y x)))

rewrite399.0ms

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:
44.0ms
(/ (- a t) (- y x))
241.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
54.0ms
(/ (- z t) (/ (- a t) (- y x)))

series853.0ms

Counts
3 → 9
Calls
3 calls:
93.0ms
(/ (- a t) (- y x))
288.0ms
(+ (/ (- z t) (/ (- a t) (- y x))) x)
472.0ms
(/ (- z t) (/ (- a t) (- y x)))

simplify791.0ms

Counts
449 → 449
Iterations

Useful iterations: done (768.0ms)

IterNodesCost
03586030
111585727
done50015528

prune2.3s

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 5.3b

regimes940.0ms

Accuracy

-2.4% (8.5b remaining)

Error of 11.8b against oracle of 3.3b and baseline of 11.6b

bsearch135.0ms

Steps
ItersRangePoint
4
-6.052045417163306e-253
-4.224751207741741e-253
-4.3681140934149486e-253
10
-1.4677513957497507e-191
-2.8514417684493804e-201
-8.932233526672919e-192

simplify10.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02956
13554
23654
done3654

end0.0ms

sample1.6s

Algorithm
intervals
Results
607.0ms7789×body80valid
186.0ms483×body640valid
98.0ms410×body320valid
95.0ms265×body1280valid
26.0ms253×body160valid
5.0ms16×body2560valid