Details

Time bar (total: 26.4s)

sample43.0ms

Algorithm
intervals
Results
16.0ms266×body80valid

simplify5.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01417
12416
24315
37515
411215
514815
618115
725715
841915
972815
10152515
11409615
done500015

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 22.5b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma z (- b y) y)
0.0b
(* z (- t a))
0.5b
(fma x y (* z (- t a)))
21.7b
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
28×*-un-lft-identity
26×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
times-frac
add-exp-log add-cbrt-cube
pow1
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l* associate-/r* associate-/l*
sub-neg associate-*r/ fma-udef
cbrt-undiv flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 95
Calls
4 calls:
1.0ms
(fma z (- b y) y)
28.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
6.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series784.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(fma z (- b y) y)
52.0ms
(* z (- t a))
107.0ms
(fma x y (* z (- t a)))
567.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify2.5s

Counts
107 → 107
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01711678
13091491
26991283
328171241
done50001187

prune561.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 21.9b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.5b
(fma x y (* z (- t a)))
0.8b
(/ 1 (fma z (- b y) y))
21.0b
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
37×*-un-lft-identity
34×add-cube-cbrt
20×times-frac
19×add-exp-log
18×associate-*r* prod-diff
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
pow1
associate-*l*
prod-exp
expm1-log1p-u div-exp log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ associate-/r* cbrt-unprod associate-/l*
cbrt-undiv sub-neg rec-exp 1-exp pow-prod-down *-commutative div-inv
flip3-- pow-flip frac-2neg clear-num un-div-inv flip-- fma-udef distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 127
Calls
4 calls:
46.0ms
(* z (- t a))
1.0ms
(fma x y (* z (- t a)))
11.0ms
(/ 1 (fma z (- b y) y))
31.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

series774.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* z (- t a))
85.0ms
(fma x y (* z (- t a)))
75.0ms
(/ 1 (fma z (- b y) y))
571.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

simplify3.2s

Counts
139 → 139
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
02002133
13871818
29151550
338161508
done50001508

prune608.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 21.9b

localize38.0ms

Local error

Found 4 expressions with local error:

0.5b
(fma x y (+ (* z t) (* z (- a))))
0.8b
(/ 1 (fma z (- b y) y))
1.4b
(+ (* z t) (* z (- a)))
21.0b
(* (fma x y (+ (* z t) (* z (- a)))) (/ 1 (fma z (- b y) y)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity
20×add-cube-cbrt times-frac
17×add-exp-log
13×associate-*r*
11×add-cbrt-cube
pow1
add-log-exp
expm1-log1p-u div-exp prod-exp log1p-expm1-u
associate-*l* associate-/r* associate-/l* unswap-sqr
cbrt-undiv rec-exp 1-exp distribute-rgt-neg-out cbrt-unprod div-inv
+-commutative pow-flip fma-def frac-2neg flip3-+ associate-*r/ unsub-neg pow-prod-down clear-num sum-log un-div-inv *-commutative flip-+ fma-udef distribute-lft-out inv-pow
Counts
4 → 98
Calls
4 calls:
1.0ms
(fma x y (+ (* z t) (* z (- a))))
11.0ms
(/ 1 (fma z (- b y) y))
17.0ms
(+ (* z t) (* z (- a)))
31.0ms
(* (fma x y (+ (* z t) (* z (- a)))) (/ 1 (fma z (- b y) y)))

series806.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(fma x y (+ (* z t) (* z (- a))))
100.0ms
(/ 1 (fma z (- b y) y))
54.0ms
(+ (* z t) (* z (- a)))
569.0ms
(* (fma x y (+ (* z t) (* z (- a)))) (/ 1 (fma z (- b y) y)))

simplify2.8s

Counts
110 → 110
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01331792
13151416
29571245
339381241
done50001241

prune498.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 21.9b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.4b
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
0.5b
(fma x y (* z (- t a)))
21.7b
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
72×add-sqr-sqrt
70×*-un-lft-identity
68×add-cube-cbrt
19×add-exp-log
18×prod-diff
16×associate-/r*
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
div-exp
pow1
div-inv associate-/l*
associate-*r*
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
associate-*l*
sub-neg rec-exp frac-2neg 1-exp associate-*r/ clear-num
flip3-- pow-flip pow-prod-down prod-exp associate-/r/ *-commutative flip-- cbrt-unprod fma-udef distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
4 → 163
Calls
4 calls:
40.0ms
(* z (- t a))
14.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
0.0ms
(fma x y (* z (- t a)))
9.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

series1.2s

Counts
4 → 12
Calls
4 calls:
61.0ms
(* z (- t a))
862.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
87.0ms
(fma x y (* z (- t a)))
176.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

simplify2.8s

Counts
175 → 175
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02643896
15093507
210783118
340593058
done50003058

prune571.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 9.8b

regimes707.0ms

Accuracy

34.4% (8.2b remaining)

Error of 19.1b against oracle of 10.9b and baseline of 23.3b

bsearch169.0ms

Steps
ItersRangePoint
10
1.5005533500003862e+154
1.421934971328253e+171
5.1156121506382365e+154
9
-6.706721591036622e+138
-1.26417539014382e+131
-1.3832283572379638e+135

simplify9.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02542
13636
24036
34136
done4136

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.5s8419×body80valid