Details

Time bar (total: 22.8s)

sample232.0ms

Algorithm
intervals
Results
59.0ms278×body80nan
25.0ms121×body320valid
17.0ms534×pre80true
12.0ms85×body160valid
5.0ms19×body640valid
2.0ms31×body80valid

simplify105.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (17.0ms)

IterNodesCost
01417
12817
27016
312716
414016
done14016

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.8b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
25.9b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite149.0ms

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:
13.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(- (* b b) (* (* 4.0 a) c))
83.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
39.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series392.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
50.0ms
(- (* b b) (* (* 4.0 a) c))
143.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
105.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01671697
110781560
done50011408

prune361.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(/ (/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite268.0ms

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
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 neg-log associate-/l/
Counts
4 → 229
Calls
4 calls:
9.0ms
(- (* b b) (* (* 4.0 a) c))
50.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
101.0ms
(/ (/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
90.0ms
(/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series799.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(- (* b b) (* (* 4.0 a) c))
116.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
289.0ms
(/ (/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
329.0ms
(/ (fma (* 4.0 a) c 0) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.1s

Counts
241 → 241
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03319790
done50007049

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.4b
(/ (fma (* 4.0 a) c 0) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

rewrite337.0ms

Algorithm
rewrite-expression-head
Rules
181×prod-diff
132×add-sqr-sqrt *-un-lft-identity
124×add-cube-cbrt
92×sqrt-prod
62×distribute-rgt-in distribute-lft-in
59×distribute-rgt-neg-in
57×distribute-lft-neg-in
19×neg-mul-1
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
pow1
associate-*r*
prod-exp cbrt-unprod
expm1-log1p-u sub-neg flip3-- associate-*r/ flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
cbrt-undiv times-frac diff-log div-exp pow-prod-down associate-/l*
associate-/r/
associate--l- neg-sub0 frac-2neg associate-*l* neg-log clear-num associate-/r* *-commutative div-inv
Counts
4 → 283
Calls
4 calls:
161.0ms
(* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
18.0ms
(- (* b b) (* (* 4.0 a) c))
61.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
63.0ms
(/ (fma (* 4.0 a) c 0) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

series714.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
59.0ms
(- (* b b) (* (* 4.0 a) c))
112.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
394.0ms
(/ (fma (* 4.0 a) c 0) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

simplify5.9s

Counts
295 → 295
Iterations

Useful iterations: done (5.9s)

IterNodesCost
036017484
147489884
done50009883

prune781.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.1b
(/ (* c (/ (* 4.0 a) (* 2.0 a))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite244.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
29×add-exp-log add-cbrt-cube
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×cbrt-undiv div-exp add-log-exp
prod-exp cbrt-unprod
neg-mul-1 times-frac associate-/r*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log
sub-neg sqrt-div associate-/r/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 associate-*r/ neg-log clear-num div-inv associate-/l/ associate-/l*
Counts
4 → 165
Calls
4 calls:
21.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
18.0ms
(- (* b b) (* (* 4.0 a) c))
62.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
130.0ms
(/ (* c (/ (* 4.0 a) (* 2.0 a))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series548.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
62.0ms
(- (* b b) (* (* 4.0 a) c))
131.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
257.0ms
(/ (* c (/ (* 4.0 a) (* 2.0 a))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.7s

Counts
177 → 177
Iterations

Useful iterations: done (2.7s)

IterNodesCost
02867286
142334650
done50004647

prune787.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes149.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01623
12023
done2023

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s16339×pre80true
1.0s3606×body320valid
983.0ms8339×body80nan
503.0ms2912×body160valid
141.0ms508×body640valid
73.0ms974×body80valid