Details

Time bar (total: 5.9s)

sample39.0ms

Algorithm
intervals
Results
8.0ms197×body80valid
6.0ms28×body2560valid
5.0ms31×body1280valid
3.0ms77×body80nan
1.0ms11×body640valid
1.0msbody320valid
0.0msbody160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0259
1469
2869
31139
41219
51219
done1219

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.7b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.2b
(- (* b b) (* 4.0 (* a c)))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite112.0ms

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:
65.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
22.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
12.0ms
(- (* b b) (* 4.0 (* a c)))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series527.0ms

Counts
4 → 12
Calls
4 calls:
323.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
83.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
47.0ms
(- (* b b) (* 4.0 (* a c)))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify49.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0438854
11658750
25001735
done5001735

prune297.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.8b

localize13.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* 4.0 (* a c)))
3.8b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
11.4b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite168.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
80×add-sqr-sqrt
79×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
20×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
13×sqrt-prod
10×distribute-rgt-neg-in
associate-/r*
cbrt-undiv div-exp
associate-/r/ add-log-exp
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log prod-diff flip-+
Counts
4 → 158
Calls
4 calls:
9.0ms
(- (* b b) (* 4.0 (* a c)))
84.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
58.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series447.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (* b b) (* 4.0 (* a c)))
149.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
177.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify115.0ms

Counts
170 → 170
Iterations

Useful iterations: 2 (95.0ms)

IterNodesCost
06652663
132592412
250012405
done50012405

prune428.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.7b

localize15.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* 4.0 (* a c)))
3.8b
(/ (/ 1 (/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))) (* 2.0 a))
11.7b
(/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
609×times-frac
256×add-sqr-sqrt
255×*-un-lft-identity
159×add-cube-cbrt
154×add-exp-log
117×associate-/l*
94×div-exp
72×add-cbrt-cube
48×distribute-lft-out-- difference-of-squares
40×cbrt-undiv
30×prod-exp
27×sqrt-prod
24×distribute-rgt-neg-in
18×div-inv
12×cbrt-unprod
10×rec-exp 1-exp
add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
flip3-- frac-2neg sqrt-div div-sub clear-num associate-/r* associate-/r/ flip-- associate-/l/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff
Counts
4 → 348
Calls
4 calls:
9.0ms
(- (* b b) (* 4.0 (* a c)))
99.0ms
(/ (/ 1 (/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))) (* 2.0 a))
69.0ms
(/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series355.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(- (* b b) (* 4.0 (* a c)))
123.0ms
(/ (/ 1 (/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))) (* 2.0 a))
108.0ms
(/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 4.0) (* a c))
76.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify80.0ms

Counts
360 → 360
Iterations

Useful iterations: 1 (35.0ms)

IterNodesCost
017576116
150025494
done50025494

prune772.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.7b

localize16.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.2b
(- (* b b) (* 4.0 (* a c)))
14.5b
(/ (* a c) a)
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite66.0ms

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:
31.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(- (* b b) (* 4.0 (* a c)))
9.0ms
(/ (* a c) a)
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series207.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
45.0ms
(- (* b b) (* 4.0 (* a c)))
7.0ms
(/ (* a c) a)
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify68.0ms

Counts
158 → 158
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
05002930
119761883
250011788
done50011788

prune299.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.7b

regimes229.0ms

Accuracy

87.9% (3.2b remaining)

Error of 8.7b against oracle of 5.5b and baseline of 32.1b

bsearch176.0ms

Steps
ItersRangePoint
8
5.30600492772346e+88
1.193256888551369e+92
4.74850993349346e+91
10
8.134666143579123e-130
4.886277919964174e-120
7.666823646884852e-125
8
-5.7211821970331905e+156
-1.4082798590396656e+153
-8.889080831912834e+153

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04528
14528
done4528

end0.0ms

sample1.2s

Algorithm
intervals
Results
229.0ms1069×body2560valid
222.0ms5791×body80valid
166.0ms933×body1280valid
113.0ms2974×body80nan
70.0ms442×body640valid
36.0ms122×body5120valid
25.0ms244×body320valid
10.0ms126×body160valid