Details

Time bar (total: 21.0s)

sample126.0ms

Algorithm
intervals
Results
34.0ms210×body80valid
24.0ms25×body1280valid
22.0ms23×body2560valid
12.0ms84×body80nan
5.0msbody640valid
4.0msbody320valid
2.0msbody5120valid
1.0msbody160valid

simplify116.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
373
241
122
012

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.5b

localize33.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
0.8b
(- (* b b) (* (* 3 a) c))
1.0b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
20.8b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite1.4s

Algorithm
rewrite-expression-head
Rules
483×add-sqr-sqrt
330×associate-*l* prod-diff
309×*-un-lft-identity
229×add-cube-cbrt
177×associate-*r*
125×unswap-sqr
75×swap-sqr
65×*-commutative
60×times-frac
30×difference-of-squares
28×distribute-lft-out
24×sqrt-prod
17×distribute-rgt-neg-in
15×fma-neg
12×associate-/r* distribute-lft-out--
10×fma-def add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-/l*
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-neg-in
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 545
Calls
4 calls:
741.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
126.0ms
(- (* b b) (* (* 3 a) c))
253.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
200.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series481.0ms

Counts
4 → 12
Calls
4 calls:
163.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
86.0ms
(- (* b b) (* (* 3 a) c))
122.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
109.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify2.5s

Counts
557 → 557
Iterations
IterNodes
done5000
24036
11510
0621

prune2.5s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.5b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3) a)
0.3b
(/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3)
1.0b
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
20.8b
(sqrt (fma (* -3 a) c (* b b)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
58×add-sqr-sqrt
57×*-un-lft-identity add-cube-cbrt
19×associate-/l*
11×add-cbrt-cube add-exp-log
associate-/r* associate-/l/
div-inv
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 138
Calls
4 calls:
25.0ms
(/ (/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3) a)
10.0ms
(/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3)
0.0ms
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
3.0ms
(sqrt (fma (* -3 a) c (* b b)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
164.0ms
(/ (/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3) a)
163.0ms
(/ (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 3)
109.0ms
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
102.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.5s

Counts
150 → 150
Iterations
IterNodes
done5000
21354
1526
0242

prune1.0s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.5b

localize42.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3) a)
0.5b
(* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3)
1.0b
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
20.8b
(sqrt (fma (* -3 a) c (* b b)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
36×times-frac
32×*-un-lft-identity add-cube-cbrt
15×associate-*r* associate-*l*
12×associate-/l*
11×add-cbrt-cube add-exp-log
pow1
*-commutative unswap-sqr
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
associate-/r* sqrt-prod
cbrt-undiv div-exp prod-exp cbrt-unprod
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down fma-udef div-inv
Counts
4 → 116
Calls
4 calls:
24.0ms
(/ (* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3) a)
14.0ms
(* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3)
1.0ms
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
3.0ms
(sqrt (fma (* -3 a) c (* b b)))

series515.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(/ (* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3) a)
127.0ms
(* (fma b -1 (sqrt (fma (* -3 a) c (* b b)))) 1/3)
133.0ms
(fma b -1 (sqrt (fma (* -3 a) c (* b b))))
109.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.6s

Counts
128 → 128
Iterations
IterNodes
done5001
21289
1460
0202

prune743.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.5b

localize40.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (- (sqrt (fma -3 (* c a) (* b b))) b) (* 3 a))
0.9b
(fma -3 (* c a) (* b b))
1.0b
(- (sqrt (fma -3 (* c a) (* b b))) b)
20.8b
(sqrt (fma -3 (* c a) (* b b)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
124×add-sqr-sqrt
81×*-un-lft-identity
72×times-frac
53×add-cube-cbrt
29×sqrt-prod
28×difference-of-squares
21×associate-*r* associate-*l*
18×prod-diff
14×distribute-lft-out--
12×associate-/r*
add-cbrt-cube add-exp-log
*-commutative unswap-sqr
fma-neg associate-/l* add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv flip3-- div-exp flip-- associate-/l/
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub prod-exp cbrt-unprod fma-udef div-inv
Counts
4 → 179
Calls
4 calls:
71.0ms
(/ (- (sqrt (fma -3 (* c a) (* b b))) b) (* 3 a))
1.0ms
(fma -3 (* c a) (* b b))
22.0ms
(- (sqrt (fma -3 (* c a) (* b b))) b)
3.0ms
(sqrt (fma -3 (* c a) (* b b)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(/ (- (sqrt (fma -3 (* c a) (* b b))) b) (* 3 a))
69.0ms
(fma -3 (* c a) (* b b))
104.0ms
(- (sqrt (fma -3 (* c a) (* b b))) b)
114.0ms
(sqrt (fma -3 (* c a) (* b b)))

simplify2.2s

Counts
191 → 191
Iterations
IterNodes
done5001
21834
1644
0244

prune756.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 5.5b

regimes454.0ms

Accuracy

80.8% (5.3b remaining)

Error of 10.9b against oracle of 5.7b and baseline of 33.1b

bsearch346.0ms

Steps
ItersRangePoint
8
5.451909898538592e-70
5.081728108716245e-67
1.546013236023957e-67
7
6.366271362828677e-80
2.0474353944207673e-78
1.6168702840263923e-79
8
1.9015403840268286e-125
4.787339246176752e-121
1.3353078790738604e-121
7
-9.460060253608456e+39
-2.573022393154551e+38
-9.348931433494438e+39

simplify9.0ms

Iterations
IterNodes
done52
152
041

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.2s1084×body2560valid
714.0ms5867×body80valid
516.0ms908×body1280valid
336.0ms3007×body80nan
235.0ms446×body640valid
124.0ms101×body5120valid
70.0ms236×body320valid
40.0ms108×body160valid