Details

Time bar (total: 14.7s)

sample25.0ms

Algorithm
intervals
Results
11.0ms256×body80valid

simplify1.2s

Counts
1 → 1
Iterations

Useful iterations: 4 (46.0ms)

IterNodesCost
01621
13320
27820
315420
437119
570719
6118819
7241419
done500019

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ t y) a)
1.6b
(+ (* (+ x y) z) (* (+ t y) a))
2.2b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
26.2b
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

rewrite142.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
20×add-sqr-sqrt
18×add-cube-cbrt
15×times-frac
13×distribute-lft-out
11×add-log-exp
10×associate-*l/
add-exp-log add-cbrt-cube
flip3-+ flip-+
pow1
associate-/r*
expm1-log1p-u associate-*l* frac-add log1p-expm1-u
fma-neg associate-*r* prod-diff associate-/l*
flip3-- diff-log sum-log associate-/r/ flip-- associate-/l/
cbrt-undiv +-commutative sub-neg fma-def frac-2neg div-sub div-exp pow-prod-down prod-exp associate--l+ clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 105
Calls
4 calls:
11.0ms
(* (+ t y) a)
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
39.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
83.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

series798.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(* (+ t y) a)
50.0ms
(+ (* (+ x y) z) (* (+ t y) a))
110.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
615.0ms
(/ (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (+ (+ x t) y))

simplify727.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (183.0ms)

IterNodesCost
01922540
15832315
223352102
done50012102

prune442.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 10.4b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ x t) y))
1.6b
(+ (* (+ x y) z) (* (+ t y) a))
2.2b
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
26.2b
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

rewrite206.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
33×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
21×associate-*r* distribute-lft-out
17×add-exp-log
11×add-cbrt-cube add-log-exp
10×associate-*l/
pow1 flip3-+ flip-+
associate-/r*
expm1-log1p-u div-exp frac-add prod-exp associate-/r/ log1p-expm1-u
flip3-- fma-neg associate-*l* prod-diff flip-- associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp diff-log 1-exp sum-log cbrt-unprod div-inv
+-commutative sub-neg pow-flip fma-def frac-2neg associate-*r/ pow-prod-down associate--l+ clear-num un-div-inv *-commutative inv-pow
Counts
4 → 133
Calls
4 calls:
18.0ms
(/ 1 (+ (+ x t) y))
6.0ms
(+ (* (+ x y) z) (* (+ t y) a))
41.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
136.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

series845.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ 1 (+ (+ x t) y))
55.0ms
(+ (* (+ x y) z) (* (+ t y) a))
105.0ms
(- (+ (* (+ x y) z) (* (+ t y) a)) (* y b))
629.0ms
(* (- (+ (* (+ x y) z) (* (+ t y) a)) (* y b)) (/ 1 (+ (+ x t) y)))

simplify887.0ms

Counts
145 → 145
Iterations

Useful iterations: 2 (204.0ms)

IterNodesCost
02072953
16272597
225312268
done50002268

prune442.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 10.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (sqrt 1) (+ (+ x t) y))
0.3b
(fma (+ x y) z (fma t a (* y (- a b))))
1.5b
(fma t a (* y (- a b)))
26.2b
(* (fma (+ x y) z (fma t a (* y (- a b)))) (/ (sqrt 1) (+ (+ x t) y)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
107×*-un-lft-identity
63×times-frac
51×add-sqr-sqrt
41×add-cube-cbrt
39×distribute-lft-out
36×associate-*r*
35×sqrt-prod
11×add-exp-log add-cbrt-cube
pow1 associate-/l*
associate-/r*
expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp unswap-sqr
associate-*l*
cbrt-undiv flip3-+ div-exp prod-exp cbrt-unprod flip-+ fma-udef div-inv
frac-2neg associate-*r/ pow-prod-down clear-num *-commutative
Counts
4 → 136
Calls
4 calls:
19.0ms
(/ (sqrt 1) (+ (+ x t) y))
0.0ms
(fma (+ x y) z (fma t a (* y (- a b))))
0.0ms
(fma t a (* y (- a b)))
50.0ms
(* (fma (+ x y) z (fma t a (* y (- a b)))) (/ (sqrt 1) (+ (+ x t) y)))

series815.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(/ (sqrt 1) (+ (+ x t) y))
107.0ms
(fma (+ x y) z (fma t a (* y (- a b))))
33.0ms
(fma t a (* y (- a b)))
614.0ms
(* (fma (+ x y) z (fma t a (* y (- a b)))) (/ (sqrt 1) (+ (+ x t) y)))

simplify3.9s

Counts
148 → 148
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
01492759
13292463
212912076
341272046
done50012046

prune402.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 10.4b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b))))))
0.3b
(fma z (+ x y) (fma t a (* y (- a b))))
1.5b
(fma t a (* y (- a b)))
26.2b
(/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b)))))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
150×*-un-lft-identity
132×times-frac
70×add-sqr-sqrt add-cube-cbrt
48×distribute-lft-out
22×associate-/r*
17×add-exp-log
11×add-cbrt-cube
div-exp associate-/l*
div-inv
pow1
cbrt-undiv expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num fma-udef associate-/l/
pow-flip flip3-+ associate-/r/ flip-+ inv-pow
Counts
4 → 161
Calls
4 calls:
22.0ms
(/ 1 (/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b))))))
0.0ms
(fma z (+ x y) (fma t a (* y (- a b))))
0.0ms
(fma t a (* y (- a b)))
37.0ms
(/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b)))))

series891.0ms

Counts
4 → 12
Calls
4 calls:
635.0ms
(/ 1 (/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b))))))
109.0ms
(fma z (+ x y) (fma t a (* y (- a b))))
39.0ms
(fma t a (* y (- a b)))
107.0ms
(/ (+ (+ x t) y) (fma z (+ x y) (fma t a (* y (- a b)))))

simplify1.1s

Counts
173 → 173
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01905188
14324893
215014452
done50004421

prune372.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.0b

regimes631.0ms

Accuracy

85.1% (3.4b remaining)

Error of 7.9b against oracle of 4.6b and baseline of 27.1b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02479
13675
done3675

end0.0ms

sample630.0ms

Algorithm
intervals
Results
358.0ms7995×body80valid
0.0msbody160valid
0.0msbody1280valid
0.0msbody320valid