Details

Time bar (total: 19.3s)

sample211.0ms

Algorithm
intervals
Results
65.0ms118×body320valid
18.0ms249×body80nan
16.0ms505×pre80true
13.0ms91×body160valid
9.0ms20×body640valid
3.0ms27×body80valid

simplify135.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (23.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 53.7b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
28.2b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite185.0ms

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)))
11.0ms
(- (* b b) (* (* 4.0 a) c))
110.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
46.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series503.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
66.0ms
(- (* b b) (* (* 4.0 a) c))
183.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
148.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01671697
14331584
214811361
done50001347

prune367.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.2b
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite364.0ms

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:
67.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
20.0ms
(- (* b b) (* (* 4.0 a) c))
139.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
114.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series747.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
89.0ms
(- (* b b) (* (* 4.0 a) c))
202.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
317.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.1s

Counts
243 → 243
Iterations

Useful iterations: done (2.1s)

IterNodesCost
034010026
18127598
232366483
done50016397

prune866.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.2b
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

rewrite234.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
82×add-sqr-sqrt
78×times-frac
60×add-cube-cbrt
41×prod-diff
27×associate-/l*
26×distribute-rgt-neg-in
22×distribute-lft-out--
18×add-exp-log add-cbrt-cube
15×distribute-lft-neg-in
11×fma-neg difference-of-squares
10×sqrt-prod add-log-exp
cbrt-undiv div-exp associate-/r*
associate-/r/
neg-mul-1 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 → 200
Calls
4 calls:
37.0ms
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
22.0ms
(- (* b b) (* (* 4.0 a) c))
109.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
47.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

series629.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))
55.0ms
(- (* b b) (* (* 4.0 a) c))
191.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c)))))) (* 2.0 a))
258.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (* 1 (- (* b b) (* (* 4.0 a) c))))))

simplify2.2s

Counts
212 → 212
Iterations

Useful iterations: done (2.2s)

IterNodesCost
03288474
17866028
232065145
done50005087

prune974.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* 4.0 (* a c)))
0.1b
(fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))
0.2b
(/ (/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c)))))))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
26×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×add-exp-log add-cbrt-cube
16×associate-/l*
cbrt-undiv div-exp
add-log-exp
pow1 expm1-log1p-u associate-/r* log1p-expm1-u div-inv
associate-/l/
frac-2neg prod-exp clear-num cbrt-unprod
sub-neg flip3-- flip3-+ fma-neg diff-log prod-diff flip-- flip-+ fma-udef
Counts
4 → 105
Calls
4 calls:
16.0ms
(- (* b b) (* 4.0 (* a c)))
0.0ms
(fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))
45.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))) (* 2.0 a))
46.0ms
(/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c)))))))

series1.1s

Counts
4 → 12
Calls
4 calls:
80.0ms
(- (* b b) (* 4.0 (* a c)))
245.0ms
(fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))
324.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c))))))) (* 2.0 a))
427.0ms
(/ (+ 0 (* (* a c) 4.0)) (fma (- (sqrt b)) (sqrt b) (- (sqrt (- (* b b) (* 4.0 (* a c)))))))

simplify1.4s

Counts
117 → 117
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02233857
15733551
222812698
done50012695

prune709.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

regimes175.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02029
12327
done2327

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.3s3634×body320valid
1.0s2967×body160valid
683.0ms8051×body80nan
592.0ms16051×pre80true
280.0ms500×body640valid
67.0ms899×body80valid