Details

Time bar (total: 18.8s)

sample102.0ms

Algorithm
intervals
Results
35.0ms143×body160valid
15.0ms296×body80nan
15.0ms552×pre80true
9.0ms55×body320valid
3.0ms58×body80valid

simplify81.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.8b

localize22.0ms

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))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
37.3b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite175.0ms

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:
22.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
12.0ms
(- (* b b) (* (* 4.0 a) c))
104.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
33.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series455.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
73.0ms
(- (* b b) (* (* 4.0 a) c))
142.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
111.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01671697
14331584
214811361
done50001347

prune398.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* 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)))))

rewrite245.0ms

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:
9.0ms
(- (* b b) (* (* 4.0 a) c))
43.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
91.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
90.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series702.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(- (* b b) (* (* 4.0 a) c))
146.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
261.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
229.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.2s

Counts
243 → 243
Iterations

Useful iterations: done (2.2s)

IterNodesCost
034010026
18127598
232286483
done50006397

prune957.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

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

rewrite426.0ms

Algorithm
rewrite-expression-head
Rules
61×prod-diff
52×add-sqr-sqrt *-un-lft-identity
48×add-cube-cbrt
31×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
pow1
neg-mul-1
prod-exp cbrt-unprod
expm1-log1p-u flip3-- associate-*r/ associate-*l/ flip-- log1p-expm1-u
cbrt-undiv times-frac diff-log div-exp associate-*r* pow-prod-down associate-/l*
sub-neg associate-/r/ associate-/l/ distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 frac-2neg flip3-+ associate-*l* neg-log clear-num associate-/r* *-commutative flip-+ div-inv
Counts
4 → 157
Calls
4 calls:
19.0ms
(- (* b b) (* (* 4.0 a) c))
63.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
133.0ms
(* (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
204.0ms
(/ (+ 0 (* (* a c) 4.0)) (* (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

series560.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(- (* b b) (* (* 4.0 a) c))
126.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
144.0ms
(* (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
201.0ms
(/ (+ 0 (* (* a c) 4.0)) (* (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

simplify2.2s

Counts
169 → 169
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02787131
17015051
233513964
done50013878

prune548.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize39.0ms

Local error

Found 4 expressions with local error:

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

rewrite466.0ms

Algorithm
rewrite-expression-head
Rules
142×add-exp-log
72×add-cbrt-cube
67×prod-exp
60×prod-diff
59×add-sqr-sqrt
57×*-un-lft-identity
53×add-cube-cbrt
44×div-exp
31×sqrt-prod
29×cbrt-unprod
22×cbrt-undiv distribute-rgt-neg-in
21×distribute-lft-neg-in
12×times-frac
10×rec-exp fma-neg 1-exp
pow1 associate-*l*
add-log-exp
neg-mul-1 associate-*r*
associate-*r/
expm1-log1p-u associate-/r* associate-/r/ log1p-expm1-u div-inv associate-/l*
flip3-- flip--
pow-flip frac-2neg diff-log pow-prod-down clear-num distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 frac-times sub-neg neg-log associate-*l/ *-commutative inv-pow unswap-sqr
Counts
4 → 218
Calls
4 calls:
20.0ms
(/ (* c (* 4.0 a)) a)
51.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
74.0ms
(/ 1 (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
310.0ms
(* (/ 1 (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))) (/ (* c (* 4.0 a)) a))

series482.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(/ (* c (* 4.0 a)) a)
115.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
145.0ms
(/ 1 (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
204.0ms
(* (/ 1 (* 2.0 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))) (/ (* c (* 4.0 a)) a))

simplify2.3s

Counts
230 → 230
Iterations

Useful iterations: done (2.3s)

IterNodesCost
03438860
18396638
229854879
done50004793

prune768.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes152.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01825
12325
done2325

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.3s8186×body80nan
956.0ms4842×body160valid
757.0ms16186×pre80true
369.0ms1362×body320valid
192.0ms1796×body80valid