Details

Time bar (total: 12.9s)

sample25.0ms

Algorithm
intervals
Results
11.0ms266×body80valid

simplify2.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12317
23717
35517
47217
58417
610817
717717
832617
960517
10138917
11395917
done500117

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 22.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ y (* z (- b y)))
0.0b
(* z (- t a))
1.4b
(+ (* x y) (* z (- t a)))
21.8b
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
14×add-cube-cbrt
times-frac
add-exp-log associate-+r+ add-cbrt-cube add-log-exp
pow1 distribute-rgt-in sub-neg distribute-lft-in
associate-*r*
flip3-+ flip-+
associate-*l* associate-/r* associate-/l*
+-commutative associate-*r/ sum-log associate-/r/ associate-/l/
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 → 87
Calls
4 calls:
3.0ms
(+ y (* z (- b y)))
10.0ms
(* z (- t a))
3.0ms
(+ (* x y) (* z (- t a)))
12.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

series406.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(+ y (* z (- b y)))
36.0ms
(* z (- t a))
40.0ms
(+ (* x y) (* z (- t a)))
302.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

simplify1.6s

Counts
99 → 99
Iterations

Useful iterations: 2 (121.0ms)

IterNodesCost
01481497
13571447
210871327
344981327
done50001327

prune265.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 21.9b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.7b
(/ 1 (+ y (* z (- b y))))
1.4b
(+ (* x y) (* z (- t a)))
21.5b
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
25×*-un-lft-identity
22×add-cube-cbrt
20×times-frac associate-*r*
19×add-exp-log
13×add-cbrt-cube
pow1
associate-*l* add-log-exp
flip3-+ prod-exp flip-+
distribute-rgt-in sub-neg associate-+r+ distribute-lft-in div-exp associate-/r/ unswap-sqr
associate-*r/ associate-/r* cbrt-unprod associate-/l*
cbrt-undiv frac-times rec-exp 1-exp pow-prod-down associate-*l/ *-commutative div-inv
+-commutative flip3-- pow-flip frac-2neg clear-num sum-log un-div-inv flip-- distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 116
Calls
4 calls:
10.0ms
(* z (- t a))
4.0ms
(/ 1 (+ y (* z (- b y))))
3.0ms
(+ (* x y) (* z (- t a)))
19.0ms
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

series477.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* z (- t a))
82.0ms
(/ 1 (+ y (* z (- b y))))
40.0ms
(+ (* x y) (* z (- t a)))
317.0ms
(* (+ (* x y) (* z (- t a))) (/ 1 (+ y (* z (- b y)))))

simplify738.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (174.0ms)

IterNodesCost
01742024
14471842
213921656
done50001656

prune321.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 21.9b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.2b
(/ 1 (/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a)))))
1.4b
(+ (* x y) (* z (- t a)))
21.8b
(/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a))))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
62×add-sqr-sqrt
60×*-un-lft-identity
58×add-cube-cbrt
19×add-exp-log
18×associate-/r*
13×add-cbrt-cube
11×associate-/r/
div-exp
pow1 flip3-+ flip-+
div-inv associate-/l* add-log-exp
associate-*r*
cbrt-undiv distribute-rgt-in sub-neg associate-+r+ distribute-lft-in
associate-*l*
rec-exp frac-2neg 1-exp associate-*r/ clear-num associate-/l/
+-commutative flip3-- pow-flip pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod distribute-lft-out-- inv-pow difference-of-squares unswap-sqr
Counts
4 → 156
Calls
4 calls:
10.0ms
(* z (- t a))
10.0ms
(/ 1 (/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a)))))
3.0ms
(+ (* x y) (* z (- t a)))
14.0ms
(/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a))))

series1.1s

Counts
4 → 12
Calls
4 calls:
35.0ms
(* z (- t a))
789.0ms
(/ 1 (/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a)))))
39.0ms
(+ (* x y) (* z (- t a)))
256.0ms
(/ (+ y (* z (- b y))) (+ (* x y) (* z (- t a))))

simplify671.0ms

Counts
168 → 168
Iterations

Useful iterations: 2 (183.0ms)

IterNodesCost
02414169
15713889
215073574
done50003574

prune366.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 21.8b

localize14.0ms

Local error

Found 4 expressions with local error:

0.7b
(/ 1 (+ (* z (- b y)) y))
1.0b
(/ 1 (+ (* x y) (* z (- t a))))
1.4b
(+ (* x y) (* z (- t a)))
21.1b
(/ (/ 1 (+ (* z (- b y)) y)) (/ 1 (+ (* x y) (* z (- t a)))))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
531×times-frac
244×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
69×associate-/r/
52×add-exp-log
36×div-exp
35×flip3-+ flip-+ div-inv
21×associate-/r* associate-/l*
20×add-cbrt-cube
10×cbrt-undiv rec-exp 1-exp
pow1 add-log-exp
associate-+r+
frac-2neg clear-num
distribute-rgt-in sub-neg pow-flip distribute-lft-in inv-pow
+-commutative sum-log associate-/l/
Counts
4 → 368
Calls
4 calls:
10.0ms
(/ 1 (+ (* z (- b y)) y))
5.0ms
(/ 1 (+ (* x y) (* z (- t a))))
3.0ms
(+ (* x y) (* z (- t a)))
31.0ms
(/ (/ 1 (+ (* z (- b y)) y)) (/ 1 (+ (* x y) (* z (- t a)))))

series598.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(/ 1 (+ (* z (- b y)) y))
55.0ms
(/ 1 (+ (* x y) (* z (- t a))))
40.0ms
(+ (* x y) (* z (- t a)))
452.0ms
(/ (/ 1 (+ (* z (- b y)) y)) (/ 1 (+ (* x y) (* z (- t a)))))

simplify1.4s

Counts
380 → 380
Iterations

Useful iterations: 2 (849.0ms)

IterNodesCost
054214402
1166312544
2364511708
done500011708

prune537.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 12.1b

regimes836.0ms

Accuracy

65.7% (4.2b remaining)

Error of 15.7b against oracle of 11.5b and baseline of 23.8b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
032131
143125
done43125

end0.0ms

sample663.0ms

Algorithm
intervals
Results
362.0ms8403×body80valid