Details

Time bar (total: 8.5s)

sample41.0ms

Algorithm
intervals
Results
7.0ms181×body80valid
6.0ms27×body2560valid
6.0ms31×body1280valid
3.0ms21×body640valid
3.0ms81×body80nan
2.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify82.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26317
311417
413017
513617
613917
done13917

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.6b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.4b
(- (* b b) (* 4.0 (* a c)))
0.9b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
40.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
3.0ms
(- (* b b) (* 4.0 (* a c)))
13.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series297.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
50.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
70.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify945.0ms

Counts
89 → 89
Iterations

Useful iterations: done (941.0ms)

IterNodesCost
01571750
14051650
213281474
done50001459

prune260.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize18.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
2.6b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
8.2b
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
78×times-frac
58×*-un-lft-identity
36×add-cube-cbrt
27×associate-/l*
22×difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-lft-out--
cbrt-undiv div-exp associate-/r*
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 141
Calls
4 calls:
23.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
44.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
26.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series738.0ms

Counts
4 → 12
Calls
4 calls:
273.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
175.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
214.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
77.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify830.0ms

Counts
153 → 153
Iterations

Useful iterations: done (824.0ms)

IterNodesCost
02504579
16264057
223903753
done50003751

prune438.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.3b

localize15.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
2.6b
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
8.2b
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
39×add-exp-log
30×add-cbrt-cube
18×times-frac
17×div-exp
16×add-sqr-sqrt
13×*-un-lft-identity
12×cbrt-undiv associate-/l*
11×add-cube-cbrt
10×prod-exp
associate-*r/ associate-/r/ cbrt-unprod add-log-exp
pow1 flip3-- flip--
sqrt-prod div-inv
1-exp associate-/l/
frac-2neg sqrt-div clear-num associate-/r* difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+ distribute-lft-out--
Counts
4 → 100
Calls
4 calls:
20.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
34.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
21.0ms
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series537.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
171.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
209.0ms
(/ (+ 0 (* 4.0 (* a c))) (* 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify898.0ms

Counts
112 → 112
Iterations

Useful iterations: done (894.0ms)

IterNodesCost
02283193
16202606
223532208
done50002206

prune301.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b b) (* 4.0 (* a c)))
1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
12.8b
(/ (* 2.0 a) (* (* a c) 4.0))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log add-cbrt-cube
10×add-sqr-sqrt
prod-exp cbrt-unprod
add-log-exp
*-un-lft-identity
cbrt-undiv div-exp
pow1 add-cube-cbrt
sqrt-prod
flip3-- flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square frac-2neg sqrt-pow1 times-frac pow1/2 clear-num associate-/r* div-inv associate-/l* distribute-lft-out--
Counts
4 → 67
Calls
4 calls:
3.0ms
(- (* b b) (* 4.0 (* a c)))
19.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
9.0ms
(/ (* 2.0 a) (* (* a c) 4.0))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series215.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* b b) (* 4.0 (* a c)))
82.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
12.0ms
(/ (* 2.0 a) (* (* a c) 4.0))
72.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify923.0ms

Counts
79 → 79
Iterations

Useful iterations: 2 (208.0ms)

IterNodesCost
01501250
14141132
22158968
done5000968

prune198.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.3b

regimes149.0ms

Accuracy

94.7% (1.3b remaining)

Error of 6.8b against oracle of 5.6b and baseline of 29.9b

bsearch190.0ms

Steps
ItersRangePoint
10
1.1889782913455773e+76
6.845935134449847e+90
6.74838527698993e+90
8
3.0778477937611473e-255
3.0021351299804193e-252
3.119187438943242e-255
9
-3.410794538153641e+109
-1.852183237050365e+100
-1.56882272369853e+105

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03661
14459
done4459

end0.0ms

sample1.1s

Algorithm
intervals
Results
245.0ms1059×body2560valid
229.0ms5841×body80valid
168.0ms909×body1280valid
105.0ms2943×body80nan
69.0ms464×body640valid
28.0ms102×body5120valid
27.0ms234×body320valid
10.0ms111×body160valid