Details

Time bar (total: 22.4s)

sample198.0ms

Algorithm
intervals
Results
16.0ms184×body80valid
14.0ms31×body2560valid
12.0ms33×body1280valid
7.0ms90×body80nan
3.0ms12×body640valid
2.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify103.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (18.0ms)

IterNodesCost
01013
11513
22312
33012
43212
53412
done3412

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.5b

localize36.0ms

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))
1.0b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
22.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite249.0ms

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:
134.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
32.0ms
(- (* b_2 b_2) (* a c))
49.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
26.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series514.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
75.0ms
(- (* b_2 b_2) (* a c))
127.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
135.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.9s

Counts
112 → 112
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01641638
14051539
216681355
done50001344

prune883.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.7b

localize44.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
2.5b
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
12.4b
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
22.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite411.0ms

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:
63.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
162.0ms
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
117.0ms
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
33.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series906.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
338.0ms
(/ (/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
325.0ms
(/ (+ 0 (* c a)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
109.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify889.0ms

Counts
296 → 296
Iterations

Useful iterations: done (867.0ms)

IterNodesCost
039010604
19748179
done50007437

prune1.8s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 7.6b

localize39.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b_2 b_2) (* a c))
1.1b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
19.3b
(/ (* c a) (* a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
22.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite174.0ms

Algorithm
rewrite-expression-head
Rules
61×prod-diff
51×add-sqr-sqrt
50×*-un-lft-identity
46×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
16×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
neg-mul-1
pow1
cbrt-undiv expm1-log1p-u flip3-- div-exp prod-exp flip-- cbrt-unprod log1p-expm1-u
diff-log
sub-neg sqrt-div associate-*r/ associate-/r/ distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 times-frac pow1/2 neg-log clear-num associate-/r* div-inv associate-/l*
Counts
4 → 148
Calls
4 calls:
19.0ms
(- (* b_2 b_2) (* a c))
59.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
56.0ms
(/ (* c a) (* a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
29.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series567.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(- (* b_2 b_2) (* a c))
114.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
293.0ms
(/ (* c a) (* a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
95.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.0s

Counts
160 → 160
Iterations

Useful iterations: done (3.0s)

IterNodesCost
02375592
16113932
233993010
done50012972

prune923.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 7.6b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ c 1) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
0.8b
(- (* b_2 b_2) (* a c))
1.1b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
22.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
177×add-sqr-sqrt
176×*-un-lft-identity
163×times-frac
116×add-cube-cbrt
61×prod-diff
48×sqrt-prod
36×distribute-rgt-neg-in
30×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
13×associate-/l*
11×add-exp-log fma-neg
10×add-log-exp
add-cbrt-cube div-inv
neg-mul-1 associate-/r*
pow1 div-exp
expm1-log1p-u flip3-- flip-- log1p-expm1-u
cbrt-undiv diff-log
sub-neg sqrt-div associate-/r/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 1-exp neg-log clear-num associate-/l/
Counts
4 → 254
Calls
4 calls:
84.0ms
(/ (/ c 1) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
16.0ms
(- (* b_2 b_2) (* a c))
64.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
25.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series612.0ms

Counts
4 → 12
Calls
4 calls:
323.0ms
(/ (/ c 1) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
61.0ms
(- (* b_2 b_2) (* a c))
115.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
112.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.1s

Counts
266 → 266
Iterations

Useful iterations: done (3.1s)

IterNodesCost
03508678
19116359
241255547
done50015546

prune1.1s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 7.6b

regimes405.0ms

Accuracy

95% (1.2b remaining)

Error of 6.5b against oracle of 5.3b and baseline of 29.5b

bsearch373.0ms

Steps
ItersRangePoint
8
4.049254448328916e+76
2.3057443967677173e+80
1.2718773002973155e+78
9
-3.913094050847411e-200
-3.3037963711260906e-206
-3.3528823044057167e-206
10
-6.623625638726693e+82
-6.4709084601913214e+72
-1.6581383089037873e+81

simplify11.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03358
13954
24154
done4154

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.1s5796×body80valid
832.0ms1066×body2560valid
478.0ms907×body1280valid
292.0ms2977×body80nan
183.0ms451×body640valid
137.0ms124×body5120valid
52.0ms231×body320valid
20.0ms135×body160valid