Details

Time bar (total: 17.9s)

sample93.0ms

Algorithm
intervals
Results
27.0ms253×body80nan
15.0ms143×body160valid
13.0ms509×pre80true
6.0ms113×body80valid

simplify159.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.5b

localize32.0ms

Local error

Found 4 expressions with local error:

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

rewrite191.0ms

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:
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
100.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
12.0ms
(- (* b b) (* (* 4.0 a) c))
57.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series479.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
166.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
75.0ms
(- (* b b) (* (* 4.0 a) c))
125.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01671697
14331584
214841361
done50001347

prune468.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.4b

localize38.0ms

Local error

Found 4 expressions with local error:

0.3b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(- (* 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)))))

rewrite252.0ms

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:
38.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
10.0ms
(- (* b b) (* (* 4.0 a) c))
107.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
84.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series741.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
83.0ms
(- (* b b) (* (* 4.0 a) c))
222.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
303.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.8s

Counts
243 → 243
Iterations

Useful iterations: done (1.8s)

IterNodesCost
033810026
18027598
230396483
done50016397

prune840.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

localize47.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3)))))
0.5b
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))
0.7b
(pow (fma b b (* (* 4.0 a) (- c))) 3)

rewrite228.0ms

Algorithm
rewrite-expression-head
Rules
166×add-sqr-sqrt
138×times-frac
96×*-un-lft-identity
60×difference-of-squares
56×add-cube-cbrt
52×cbrt-prod
50×sqrt-prod
42×associate-/l*
20×distribute-lft-out--
19×add-exp-log add-cbrt-cube
16×unpow-prod-down cube-prod
12×associate-/r* sqr-pow
10×distribute-rgt-neg-in
cbrt-undiv div-exp
associate-/r/
pow1
expm1-log1p-u log1p-expm1-u div-inv add-log-exp
pow-unpow flip3-- flip-- associate-/l/
cube-mult frac-2neg unpow3 prod-exp clear-num cbrt-unprod
pow-to-exp pow-pow flip3-+ pow1/3 pow-exp rem-cbrt-cube flip-+ rem-cube-cbrt
Counts
4 → 213
Calls
4 calls:
114.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))))) (* 2.0 a))
85.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3)))))
2.0ms
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))
3.0ms
(pow (fma b b (* (* 4.0 a) (- c))) 3)

series748.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))))) (* 2.0 a))
315.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3)))))
86.0ms
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 3))
146.0ms
(pow (fma b b (* (* 4.0 a) (- c))) 3)

simplify1.7s

Counts
225 → 225
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03337874
17616439
229296026
done50016024

prune931.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2)) (cbrt (fma b b (* (* 4.0 a) (- c)))))
0.5b
(cbrt (fma b b (* (* 4.0 a) (- c))))
0.5b
(pow (fma b b (* (* 4.0 a) (- c))) 2)
0.6b
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
30×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity
11×unpow-prod-down associate-*l*
10×unswap-sqr
pow1 add-exp-log
associate-*r* unpow2
sqr-pow
expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
pow-unpow
pow-prod-down
pow-to-exp pow-pow pow3 pow-exp prod-exp *-commutative cbrt-unprod
Counts
4 → 93
Calls
4 calls:
31.0ms
(* (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2)) (cbrt (fma b b (* (* 4.0 a) (- c)))))
1.0ms
(cbrt (fma b b (* (* 4.0 a) (- c))))
5.0ms
(pow (fma b b (* (* 4.0 a) (- c))) 2)
4.0ms
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2))

series546.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(* (cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2)) (cbrt (fma b b (* (* 4.0 a) (- c)))))
162.0ms
(cbrt (fma b b (* (* 4.0 a) (- c))))
91.0ms
(pow (fma b b (* (* 4.0 a) (- c))) 2)
193.0ms
(cbrt (pow (fma b b (* (* 4.0 a) (- c))) 2))

simplify1.9s

Counts
105 → 105
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01592307
13282146
27802003
322861974
done50001898

prune657.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

regimes317.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 0.6b

bsearch0.0ms

simplify24.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03254
14252
24852
35452
done5452

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.3s4499×body160valid
1.1s8644×body80nan
708.0ms16644×pre80true
274.0ms3501×body80valid