Details

Time bar (total: 23.0s)

sample110.0ms

Algorithm
intervals
Results
31.0ms37×body2560valid
23.0ms186×body80valid
15.0ms28×body1280valid
10.0ms91×body80nan
8.0ms19×body640valid
4.0ms11×body320valid
1.0msbody160valid

simplify129.0ms

Counts
1 → 1
Iterations
IterNodes
done142
7142
6140
5135
4130
3110
263
129
014

prune14.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.8b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* -4 a) c (* b b))
0.1b
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
1.1b
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
22.9b
(sqrt (fma (* -4 a) c (* b b)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
60×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
10×fma-neg distribute-lft-out-- difference-of-squares
add-log-exp
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- diff-log flip-- associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log fma-udef div-inv
Counts
4 → 167
Calls
4 calls:
0.0ms
(fma (* -4 a) c (* b b))
44.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
21.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
2.0ms
(sqrt (fma (* -4 a) c (* b b)))

series448.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(fma (* -4 a) c (* b b))
155.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
104.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
119.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.3s

Counts
179 → 179
Iterations
IterNodes
done2000
32000
21190
1497
0222

prune2.3s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.6b
(- (* b b) (* 4 (* a c)))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
22.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-cbrt-cube add-exp-log
neg-mul-1 times-frac associate-/l*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip--
diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 161
Calls
4 calls:
86.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
18.0ms
(- (* b b) (* 4 (* a c)))
24.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series444.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
64.0ms
(- (* b b) (* 4 (* a c)))
126.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
127.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.4s

Counts
173 → 173
Iterations
IterNodes
done2005
32005
21867
1599
0239

prune2.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.0b

localize47.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
0.6b
(- (* b b) (* 4 (* a c)))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
22.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite180.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
62×*-un-lft-identity
61×prod-diff
54×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×associate-*r*
11×fma-neg
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 neg-mul-1 associate-*l*
flip3-- flip--
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 169
Calls
4 calls:
111.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
12.0ms
(- (* b b) (* 4 (* a c)))
35.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
17.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series423.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
62.0ms
(- (* b b) (* 4 (* a c)))
105.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
128.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.5s

Counts
181 → 181
Iterations
IterNodes
done2000
32000
21945
1648
0262

prune2.5s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (* (/ 2 (- (- b) (sqrt (fma b b (* -4 (* a c)))))) a))
0.8b
(fma b b (* -4 (* a c)))
1.1b
(- (- b) (sqrt (fma b b (* -4 (* a c)))))
22.9b
(sqrt (fma b b (* -4 (* a c))))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
53×add-sqr-sqrt
52×*-un-lft-identity
48×add-cube-cbrt
34×sqrt-prod
25×add-exp-log
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×add-cbrt-cube
10×fma-neg
div-exp
pow1 add-log-exp
neg-mul-1
prod-exp
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u
rec-exp times-frac 1-exp associate-/l*
diff-log cbrt-unprod pow-flip distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 pow-prod-down neg-log associate-*l/ associate-/r/ fma-udef div-inv flip-- inv-pow
Counts
4 → 154
Calls
4 calls:
48.0ms
(/ 1 (* (/ 2 (- (- b) (sqrt (fma b b (* -4 (* a c)))))) a))
0.0ms
(fma b b (* -4 (* a c)))
22.0ms
(- (- b) (sqrt (fma b b (* -4 (* a c)))))
2.0ms
(sqrt (fma b b (* -4 (* a c))))

series390.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(/ 1 (* (/ 2 (- (- b) (sqrt (fma b b (* -4 (* a c)))))) a))
78.0ms
(fma b b (* -4 (* a c)))
98.0ms
(- (- b) (sqrt (fma b b (* -4 (* a c)))))
90.0ms
(sqrt (fma b b (* -4 (* a c))))

simplify1.2s

Counts
166 → 166
Iterations
IterNodes
done2002
32002
21356
1534
0233

prune2.3s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.0b

regimes339.0ms

Accuracy

79.5% (5.8b remaining)

Error of 11.3b against oracle of 5.5b and baseline of 33.7b

bsearch222.0ms

Steps
ItersRangePoint
8
6.45623811977989e+97
1.5556153764929518e+101
1.786204067849289e+100
10
-1.305087172727865e-183
-3.833210530916389e-194
-1.2890050783826923e-183

simplify10.0ms

Iterations
IterNodes
done35
135
028

end0.0ms

sample5.1s

Algorithm
intervals
Results
1.3s5836×body80valid
1.2s1101×body2560valid
873.0ms2978×body80nan
833.0ms915×body1280valid
272.0ms500×body640valid
108.0ms194×body320valid
108.0ms106×body5120valid
33.0ms117×body160valid