Details

Time bar (total: 7.3s)

sample59.0ms

Algorithm
intervals
Results
13.0ms314×body80nan
10.0ms150×body160valid
10.0ms570×pre80true
4.0ms106×body80valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0259
1469
2869
31139
41219
51219
done1219

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.2b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
28.3b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×add-cube-cbrt fma-def add-log-exp
add-exp-log add-cbrt-cube
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(- (* b b) (* (* 4.0 a) c))
67.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
22.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series319.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
47.0ms
(- (* b b) (* (* 4.0 a) c))
112.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
85.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify50.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
0438854
11702750
25002735
done5002735

prune255.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.2b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite194.0ms

Algorithm
rewrite-expression-head
Rules
123×add-sqr-sqrt *-un-lft-identity
90×times-frac
79×add-cube-cbrt
61×prod-diff
41×sqrt-prod
32×distribute-rgt-neg-in
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
associate-/r*
cbrt-undiv neg-mul-1 div-exp
associate-/r/
flip3-- flip--
pow1 expm1-log1p-u log1p-expm1-u div-inv
diff-log associate-/l/
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 flip3-+ neg-log flip-+
Counts
4 → 231
Calls
4 calls:
30.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(- (* b b) (* (* 4.0 a) c))
85.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
59.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series479.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
50.0ms
(- (* b b) (* (* 4.0 a) c))
154.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
194.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify148.0ms

Counts
243 → 243
Iterations

Useful iterations: 2 (116.0ms)

IterNodesCost
08325100
139673830
250013828
done50013828

prune552.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
0.3b
(/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
0.3b
(* (* a c) (fma b b (* (* 4.0 a) c)))
0.7b
(pow (* (* 4.0 a) c) 3)

rewrite224.0ms

Algorithm
rewrite-expression-head
Rules
90×add-sqr-sqrt
58×*-un-lft-identity times-frac
36×difference-of-squares
34×add-cube-cbrt
21×sqr-pow
19×add-exp-log add-cbrt-cube
15×pow1
13×associate-/l*
12×distribute-lft-out--
11×associate-/r*
unpow-prod-down
sqrt-prod
pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u distribute-rgt-neg-in log1p-expm1-u associate-/l/ add-log-exp
pow-unpow pow-pow associate-*r* pow-exp rem-cube-cbrt
cbrt-undiv flip3-- frac-2neg div-exp clear-num associate-/r/ flip-- fma-udef div-inv
distribute-rgt-in cube-mult pow-to-exp distribute-lft-in flip3-+ unpow3 div-sub cube-prod associate-*l* *-commutative flip-+
Counts
4 → 162
Calls
4 calls:
133.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
51.0ms
(/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
17.0ms
(* (* a c) (fma b b (* (* 4.0 a) c)))
16.0ms
(pow (* (* 4.0 a) c) 3)

series548.0ms

Counts
4 → 12
Calls
4 calls:
287.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
137.0ms
(/ (- (pow b 6) (pow (* (* 4.0 a) c) 3)) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
65.0ms
(* (* a c) (fma b b (* (* 4.0 a) c)))
59.0ms
(pow (* (* 4.0 a) c) 3)

simplify143.0ms

Counts
174 → 174
Iterations

Useful iterations: 2 (116.0ms)

IterNodesCost
07533354
137243127
250013123
done50013123

prune797.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
0.3b
(* (pow a 3) (pow c 3))
0.3b
(/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
0.3b
(* (* a c) (fma b b (* (* 4.0 a) c)))

rewrite168.0ms

Algorithm
rewrite-expression-head
Rules
84×add-sqr-sqrt
48×*-un-lft-identity
37×times-frac
32×add-cube-cbrt
25×add-exp-log
16×unswap-sqr
15×associate-*r* add-cbrt-cube
14×unpow-prod-down cube-prod
13×associate-*l*
12×prod-exp difference-of-squares
11×associate-/r*
10×sqr-pow
pow1
sqrt-prod distribute-lft-out--
pow-to-exp pow-exp associate-/l*
expm1-log1p-u distribute-rgt-neg-in pow-prod-down cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv cube-mult flip3-- frac-2neg unpow3 div-exp clear-num associate-/r/ *-commutative flip-- fma-udef div-inv
distribute-rgt-in distribute-lft-in flip3-+ div-sub flip-+
Counts
4 → 168
Calls
4 calls:
86.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
20.0ms
(* (pow a 3) (pow c 3))
37.0ms
(/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
17.0ms
(* (* a c) (fma b b (* (* 4.0 a) c)))

series549.0ms

Counts
4 → 12
Calls
4 calls:
287.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4))))))
61.0ms
(* (pow a 3) (pow c 3))
138.0ms
(/ (- (pow b 6) (* 64.0 (* (pow a 3) (pow c 3)))) (fma 4.0 (* (* a c) (fma b b (* (* 4.0 a) c))) (pow b 4)))
62.0ms
(* (* a c) (fma b b (* (* 4.0 a) c)))

simplify154.0ms

Counts
180 → 180
Iterations

Useful iterations: 2 (130.0ms)

IterNodesCost
07282939
142402703
250012702
done50012702

prune824.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0b

regimes165.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04123
14323
24323
done4323

end0.0ms

sample1.5s

Algorithm
intervals
Results
306.0ms4423×body160valid
283.0ms16584×pre80true
280.0ms8584×body80nan
122.0ms3577×body80valid