Details

Time bar (total: 9.2s)

sample43.0ms

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

simplify85.0ms

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))))

rewrite56.0ms

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:
35.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
3.0ms
(- (* b b) (* 4.0 (* a c)))
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series296.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
48.0ms
(- (* 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))))

simplify928.0ms

Counts
89 → 89
Iterations

Useful iterations: done (925.0ms)

IterNodesCost
01571750
14051650
213281474
done50001459

prune249.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize13.0ms

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))))

rewrite94.0ms

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:
17.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
43.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
24.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series529.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
168.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
204.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify822.0ms

Counts
153 → 153
Iterations

Useful iterations: done (815.0ms)

IterNodesCost
02504579
16264057
223903753
done50003751

prune421.0ms

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))) (- (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))))

rewrite297.0ms

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:
17.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
40.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
230.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series535.0ms

Counts
4 → 12
Calls
4 calls:
87.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
169.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
206.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
72.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify836.0ms

Counts
153 → 153
Iterations

Useful iterations: done (824.0ms)

IterNodesCost
02504579
16264057
223903753
done50003751

prune442.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.3b

localize18.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
2.5b
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
8.2b
(/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
21.1b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
45×add-exp-log add-cbrt-cube
32×add-sqr-sqrt
30×times-frac
21×*-un-lft-identity
18×associate-/r*
17×cbrt-undiv div-exp
13×prod-exp cbrt-unprod
11×add-cube-cbrt
10×difference-of-squares
sqrt-prod
associate-/r/
add-log-exp
pow1 flip3-- flip-- distribute-lft-out--
div-inv
frac-2neg sqrt-div clear-num associate-/l*
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log
Counts
4 → 113
Calls
4 calls:
20.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
27.0ms
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
23.0ms
(/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series442.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
86.0ms
(/ (* 2.0 a) (/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
207.0ms
(/ (* 4.0 (* a c)) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
70.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify973.0ms

Counts
125 → 125
Iterations

Useful iterations: done (969.0ms)

IterNodesCost
02233302
16303098
228422550
done50012549

prune330.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 5.3b

regimes229.0ms

Accuracy

87.1% (3.5b remaining)

Error of 9.0b against oracle of 5.6b and baseline of 32.6b

bsearch250.0ms

Steps
ItersRangePoint
10
1.1889782913455773e+76
6.845935134449847e+90
6.74838527698993e+90
10
-3.8445276237798955e-99
-1.3107711368463098e-114
-1.3311687138255245e-114
9
-3.339096941797073e+59
-6.124320340976488e+51
-5.109856166749479e+57

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03871
14765
done4765

end0.0ms

sample1.2s

Algorithm
intervals
Results
272.0ms1059×body2560valid
250.0ms5841×body80valid
184.0ms909×body1280valid
128.0ms2943×body80nan
74.0ms464×body640valid
30.0ms102×body5120valid
30.0ms234×body320valid
9.0ms111×body160valid