Details

Time bar (total: 10.1s)

sample284.0ms

Algorithm
intervals
Results
8.0ms40×body2560valid
8.0ms187×body80valid
4.0ms23×body1280valid
3.0ms86×body80nan
2.0ms16×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify24.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11513
22312
33012
43212
53412
done3412

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.3b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
19×add-sqr-sqrt
18×add-cube-cbrt
15×times-frac
10×fma-def distribute-lft-out add-log-exp
distribute-rgt-neg-in
add-exp-log add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub div-exp prod-diff neg-log clear-num div-inv
Counts
4 → 100
Calls
4 calls:
33.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
13.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series271.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
33.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
74.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.9s

Counts
112 → 112
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01641638
13861535
211011355
335981340
done50001338

prune306.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.8b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
8.8b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
199×add-sqr-sqrt
198×*-un-lft-identity
186×times-frac
130×add-cube-cbrt
60×prod-diff
50×sqrt-prod
38×distribute-rgt-neg-in
34×distribute-lft-out-- difference-of-squares
30×associate-/l*
21×distribute-lft-neg-in
11×add-exp-log add-cbrt-cube
10×fma-neg associate-/r* associate-/r/
add-log-exp
neg-mul-1 flip3-- flip--
div-inv
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 284
Calls
4 calls:
17.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
44.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
26.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series442.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
140.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
169.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.2s

Counts
296 → 296
Iterations

Useful iterations: done (1.2s)

IterNodesCost
038810604
19058155
229887302
done50007300

prune587.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.3b

localize13.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.8b
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
8.8b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
126×add-sqr-sqrt
110×*-un-lft-identity
76×add-cube-cbrt
60×prod-diff
58×times-frac
41×sqrt-prod
29×distribute-rgt-neg-in
28×add-exp-log
27×associate-*l*
21×distribute-lft-neg-in
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
13×associate-*r*
10×fma-neg
div-exp
prod-exp add-log-exp
pow1 neg-mul-1 associate-/r*
unswap-sqr
cbrt-undiv
expm1-log1p-u flip3-- associate-/r/ flip-- cbrt-unprod log1p-expm1-u
div-inv associate-/l*
rec-exp sqrt-div diff-log 1-exp associate-/l/
associate--l- neg-sub0 frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 229
Calls
4 calls:
16.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
63.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
28.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series438.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
138.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
167.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.2s

Counts
241 → 241
Iterations

Useful iterations: done (1.2s)

IterNodesCost
03348087
18755920
226524946
done50004944

prune445.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.0b
(/ (* a c) a)
21.1b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
61×prod-diff
53×add-sqr-sqrt
52×*-un-lft-identity
48×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-exp-log add-cbrt-cube
neg-mul-1
pow1
expm1-log1p-u log1p-expm1-u
flip3-- times-frac diff-log associate-/r* flip--
cbrt-undiv sub-neg sqrt-div div-exp distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 neg-log prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 146
Calls
4 calls:
3.0ms
(- (* b_2 b_2) (* a c))
16.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
5.0ms
(/ (* a c) a)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series170.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (* b_2 b_2) (* a c))
67.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(/ (* a c) a)
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify822.0ms

Counts
158 → 158
Iterations

Useful iterations: done (817.0ms)

IterNodesCost
02175108
14673445
213822683
done50002677

prune264.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.3b

regimes154.0ms

Accuracy

94% (1.4b remaining)

Error of 6.7b against oracle of 5.3b and baseline of 29.0b

bsearch145.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
4.144553567986907e+60
11
-2.5535425374078063e-212
-1.1714445965311569e-247
-1.273959369302109e-247
7
-3.550313394724354e+57
-2.3888623512096697e+55
-3.124283374205192e+57

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03255
13953
done3953

end0.0ms

sample1.0s

Algorithm
intervals
Results
209.0ms1075×body2560valid
198.0ms5844×body80valid
147.0ms911×body1280valid
94.0ms2888×body80nan
56.0ms451×body640valid
29.0ms231×body320valid
27.0ms102×body5120valid
7.0ms119×body160valid