Details

Time bar (total: 14.4s)

sample26.0ms

Algorithm
intervals
Results
11.0ms265×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12416
24315
36515
49615
513015
616315
723915
839615
970715
10155315
11426915
done500015

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 24.7b

localize22.0ms

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))

rewrite18.0ms

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)))
2.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series449.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* z (- t a))
54.0ms
(fma x y (* z (- t a)))
358.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify1.3s

Counts
94 → 94
Iterations

Useful iterations: 3 (457.0ms)

IterNodesCost
01631562
12881378
26861188
324921146
done50011146

prune316.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 24.0b

localize21.0ms

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))

rewrite7.0ms

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))))
3.0ms
(/ (fma x y (+ (* z t) (* z (- a)))) (fma z (- b y) y))

series460.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(+ (* z t) (* z (- a)))
57.0ms
(fma x y (+ (* z t) (* z (- a))))
366.0ms
(/ (fma x y (+ (* z t) (* z (- a)))) (fma z (- b y) y))

simplify1.4s

Counts
65 → 65
Iterations

Useful iterations: 3 (464.0ms)

IterNodesCost
0961209
1217976
2691883
32607879
done5001879

prune261.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 24.0b

localize16.0ms

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))

rewrite35.0ms

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)))
7.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
23.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (fma z (- b y) y))

series456.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(+ (* z t) (* z (- a)))
47.0ms
(+ (* x y) (+ (* z t) (* z (- a))))
366.0ms
(/ (+ (* x y) (+ (* z t) (* z (- a)))) (fma z (- b y) y))

simplify1.1s

Counts
77 → 77
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01141513
13101148
211791069
done50001065

prune293.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 24.0b

localize18.0ms

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:
11.0ms
(* 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))))

series710.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* z (- t a))
503.0ms
(/ 1 (/ (fma z (- b y) y) (fma x y (* z (- t a)))))
55.0ms
(fma x y (* z (- t a)))
114.0ms
(/ (fma z (- b y) y) (fma x y (* z (- t a))))

simplify2.1s

Counts
175 → 175
Iterations

Useful iterations: 3 (938.0ms)

IterNodesCost
02643896
15193507
211183118
336863058
done50003058

prune469.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 12.2b

regimes495.0ms

Accuracy

32.2% (8.9b remaining)

Error of 19.6b against oracle of 10.7b and baseline of 23.8b

bsearch121.0ms

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

simplify5.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02441
13435
23735
33835
done3835

end0.0ms

sample686.0ms

Algorithm
intervals
Results
389.0ms8413×body80valid