Details

Time bar (total: 21.8s)

sample43.0ms

Algorithm
intervals
Results
18.0ms270×body80valid

simplify6.2s

Counts
1 → 1
Iterations

Useful iterations: 2 (15.0ms)

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

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.0b
(* z (- b y))
0.7b
(+ (* x y) (* z (- t a)))
23.7b
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
60×add-sqr-sqrt
56×*-un-lft-identity
54×prod-diff
52×add-cube-cbrt
33×distribute-rgt-in distribute-lft-in
22×associate-+r+
10×add-exp-log associate-*r* add-cbrt-cube
times-frac
pow1
sub-neg associate-*l* add-log-exp
expm1-log1p-u associate-*r/ log1p-expm1-u
flip3-+ associate-/r* flip-+ associate-/l*
flip3-- pow-prod-down prod-exp associate-/r/ *-commutative flip-- cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv +-commutative fma-def frac-2neg div-exp clear-num sum-log div-inv
Counts
4 → 161
Calls
4 calls:
27.0ms
(* z (- t a))
40.0ms
(* z (- b y))
35.0ms
(+ (* x y) (* z (- t a)))
42.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

series778.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* z (- t a))
69.0ms
(* z (- b y))
103.0ms
(+ (* x y) (* z (- t a)))
544.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

simplify1.4s

Counts
173 → 173
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02912904
16192372
216711992
done50001920

prune736.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 23.8b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- b y))
0.7b
(+ (* x y) (+ (* z t) (* z (- a))))
1.1b
(+ (* z t) (* z (- a)))
23.7b
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (+ y (* z (- b y))))

rewrite217.0ms

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 add-log-exp
times-frac
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-out
associate-*r*
expm1-log1p-u associate-+r- flip3-+ sum-log flip-+ log1p-expm1-u
associate-*l* unsub-neg associate-/r* associate-/l*
+-commutative sub-neg fma-def div-sub associate-*r/ associate-/r/ associate-/l/
cbrt-undiv associate-+r+ flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 116
Calls
4 calls:
41.0ms
(* z (- b y))
44.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
13.0ms
(+ (* z t) (* z (- a)))
116.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (+ y (* z (- b y))))

series921.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* z (- b y))
117.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
58.0ms
(+ (* z t) (* z (- a)))
670.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (+ y (* z (- b y))))

simplify1.4s

Counts
128 → 128
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02152335
15161779
217971550
done50021524

prune480.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 21.9b

localize17.0ms

Local error

Found 4 expressions with local error:

0.5b
(fma t z (* x y))
2.2b
(/ a (/ (fma z (- b y) y) z))
13.9b
(/ (fma z (- b y) y) z)
21.0b
(/ (fma t z (* x y)) (fma z (- b y) y))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
93×times-frac
62×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
19×associate-/r*
13×add-exp-log add-cbrt-cube
associate-/l*
div-inv
cbrt-undiv div-exp
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num
associate-/r/ fma-udef
Counts
4 → 140
Calls
4 calls:
1.0ms
(fma t z (* x y))
18.0ms
(/ a (/ (fma z (- b y) y) z))
6.0ms
(/ (fma z (- b y) y) z)
5.0ms
(/ (fma t z (* x y)) (fma z (- b y) y))

series871.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(fma t z (* x y))
93.0ms
(/ a (/ (fma z (- b y) y) z))
53.0ms
(/ (fma z (- b y) y) z)
667.0ms
(/ (fma t z (* x y)) (fma z (- b y) y))

simplify2.7s

Counts
152 → 152
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02172610
14182522
212532356
338092354
done50002354

prune869.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma z (- b y) y)
0.5b
(fma t z (* x y))
2.2b
(/ a (- (+ (/ y z) b) y))
21.0b
(/ (fma t z (* x y)) (fma z (- b y) y))

rewrite146.0ms

Algorithm
rewrite-expression-head
Rules
43×*-un-lft-identity
31×add-sqr-sqrt
27×times-frac
23×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out--
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u distribute-lft-out add-log-exp difference-of-squares
cbrt-undiv frac-2neg div-exp clear-num associate-/r/ fma-udef div-inv
flip3-- flip--
Counts
4 → 92
Calls
4 calls:
1.0ms
(fma z (- b y) y)
1.0ms
(fma t z (* x y))
123.0ms
(/ a (- (+ (/ y z) b) y))
18.0ms
(/ (fma t z (* x y)) (fma z (- b y) y))

series403.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(fma z (- b y) y)
74.0ms
(fma t z (* x y))
67.0ms
(/ a (- (+ (/ y z) b) y))
223.0ms
(/ (fma t z (* x y)) (fma z (- b y) y))

simplify1.4s

Counts
104 → 104
Iterations

Useful iterations: 2 (103.0ms)

IterNodesCost
01451507
12651467
26541349
319791349
done50001349

prune579.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 12.9b

regimes707.0ms

Accuracy

-12.4% (7.1b remaining)

Error of 18.6b against oracle of 11.5b and baseline of 17.9b

bsearch241.0ms

Steps
ItersRangePoint
9
1.331307691297302e-186
1.209597066017153e-181
1.4056232999710475e-186
6
-9.369023534978355e-298
-8.66213590632976e-299
-6.97840241981796e-298
9
-4.375475773243934e+160
-2.5035812315715853e+153
-6.665018424556654e+158

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03694
14094
done4094

end0.0ms

sample1.4s

Algorithm
intervals
Results
820.0ms8404×body80valid