Details

Time bar (total: 13.5s)

sample27.0ms

Algorithm
intervals
Results
13.0ms265×body80valid

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12416
24315
36615
49715
513115
616415
724015
847315
9102315
10373515
done500015

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 24.7b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (- t a))
0.8b
(fma x y (* z (- t a)))
24.0b
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
27×*-un-lft-identity
25×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 associate-*l* associate-/r* log1p-expm1-u associate-/l* add-log-exp
sub-neg associate-*r/
cbrt-undiv flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod fma-udef div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 85
Calls
3 calls:
12.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
5.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series395.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(* z (- t a))
44.0ms
(fma x y (* z (- t a)))
310.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify3.1s

Counts
94 → 94
Iterations

Useful iterations: 3 (597.0ms)

IterNodesCost
01631562
12991378
210391170
342891110
done50001110

prune248.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 24.0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.5b
(+ (* z t) (* z (- a)))
0.8b
(fma x y (+ (* z t) (* z (- a))))
24.0b
(/ (fma x y (+ (* z t) (* z (- a)))) (fma z (- b y) y))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
pow1 expm1-log1p-u associate-/r* log1p-expm1-u associate-/l*
distribute-rgt-neg-out
cbrt-undiv +-commutative fma-def frac-2neg flip3-+ div-exp unsub-neg clear-num sum-log flip-+ fma-udef div-inv distribute-lft-out
Counts
3 → 56
Calls
3 calls:
3.0ms
(+ (* z t) (* z (- a)))
0.0ms
(fma x y (+ (* z t) (* z (- a))))
2.0ms
(/ (fma x y (+ (* z t) (* z (- a)))) (fma z (- b y) y))

series426.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(+ (* z t) (* z (- a)))
56.0ms
(fma x y (+ (* z t) (* z (- a))))
336.0ms
(/ (fma x y (+ (* z t) (* z (- a)))) (fma z (- b y) y))

simplify1.3s

Counts
65 → 65
Iterations

Useful iterations: 3 (277.0ms)

IterNodesCost
0961209
1220976
2763883
33020879
done5000879

prune201.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 24.0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.5b
(+ (* z t) (* z (- a)))
1.3b
(+ (* x y) (+ (* z t) (* z (- a))))
24.0b
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (fma z (- b y) y))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
10×add-log-exp
times-frac
distribute-rgt-neg-out
add-exp-log add-cbrt-cube
associate-+r- sum-log
pow1 expm1-log1p-u flip3-+ unsub-neg associate-/r* flip-+ log1p-expm1-u associate-/l*
+-commutative fma-def div-sub associate-/l/
cbrt-undiv associate-+r+ frac-2neg div-exp clear-num div-inv distribute-lft-out
Counts
3 → 68
Calls
3 calls:
3.0ms
(+ (* z t) (* z (- a)))
9.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
23.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (fma z (- b y) y))

series408.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(+ (* z t) (* z (- a)))
42.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
335.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (fma z (- b y) y))

simplify430.0ms

Counts
77 → 77
Iterations

Useful iterations: done (428.0ms)

IterNodesCost
01141513
13111148
212191069
done50011065

prune230.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 24.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.2b
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
0.8b
(fma x y (* z (- t a)))
24.0b
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

rewrite26.0ms

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:
12.0ms
(* z (- t a))
5.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
0.0ms
(fma x y (* z (- t a)))
2.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

series620.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* z (- t a))
443.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
49.0ms
(fma x y (* z (- t a)))
94.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

simplify1.3s

Counts
175 → 175
Iterations

Useful iterations: 2 (201.0ms)

IterNodesCost
02643896
15363551
219033100
done50023100

prune376.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 12.2b

regimes427.0ms

Accuracy

32% (9.0b remaining)

Error of 19.7b against oracle of 10.7b and baseline of 23.9b

bsearch93.0ms

Steps
ItersRangePoint
9
2.2108085494553437e+120
6.680833282765864e+126
1.621555450877592e+125
8
-7.928120464220808e+174
-1.214019913834516e+172
-1.285204343974009e+172

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02339
12933
done2933

end0.0ms

sample662.0ms

Algorithm
intervals
Results
354.0ms8413×body80valid