Details

Time bar (total: 29.2s)

sample152.0ms

Algorithm
intervals
Results
44.0ms186×body80valid
32.0ms37×body2560valid
22.0ms28×body1280valid
15.0ms91×body80nan
11.0ms19×body640valid
5.0ms11×body320valid
1.0msbody160valid

simplify164.0ms

Counts
1 → 1
Iterations
IterNodes
8142
7142
6140
5135
4130
3110
263
129
014

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.8b

localize38.0ms

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)))

rewrite73.0ms

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:
1.0ms
(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))))
3.0ms
(sqrt (fma (* -4 a) c (* b b)))

series386.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(fma (* -4 a) c (* b b))
113.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
107.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
103.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.6s

Counts
179 → 179
Iterations
IterNodes
33048
21154
1495
0222

prune2.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.0b

localize43.0ms

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))))

rewrite137.0ms

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:
68.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
17.0ms
(- (* b b) (* 4 (* a c)))
30.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
17.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series400.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
71.0ms
(- (* b b) (* 4 (* a c)))
105.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
98.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify5.4s

Counts
173 → 173
Iterations
IterNodes
36002
21722
1597
0239

prune2.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.0b

localize29.0ms

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))))

rewrite151.0ms

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:
96.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
19.0ms
(- (* b b) (* 4 (* a c)))
24.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series461.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
67.0ms
(- (* b b) (* 4 (* a c)))
148.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
109.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify4.1s

Counts
181 → 181
Iterations
IterNodes
35940
21809
1644
0262

prune2.4s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.0b

localize37.0ms

Local error

Found 4 expressions with local error:

8.9b
(- (- b) (* (sqrt (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c)))))) (sqrt (cbrt (- (* b b) (* 4 (* a c)))))))
23.6b
(cbrt (- (* b b) (* 4 (* a c))))
23.6b
(cbrt (- (* b b) (* 4 (* a c))))
23.6b
(cbrt (- (* b b) (* 4 (* a c))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
10×fma-neg prod-diff
cbrt-prod
add-log-exp
distribute-lft-neg-in cbrt-div distribute-rgt-neg-in
expm1-log1p-u pow1 flip3-- add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u flip--
pow1/3
neg-mul-1 diff-log
associate--l- neg-sub0 sub-neg neg-log
Counts
4 → 85
Calls
4 calls:
17.0ms
(- (- b) (* (sqrt (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c)))))) (sqrt (cbrt (- (* b b) (* 4 (* a c)))))))
5.0ms
(cbrt (- (* b b) (* 4 (* a c))))
5.0ms
(cbrt (- (* b b) (* 4 (* a c))))
5.0ms
(cbrt (- (* b b) (* 4 (* a c))))

series495.0ms

Counts
4 → 12
Calls
4 calls:
117.0ms
(- (- b) (* (sqrt (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c)))))) (sqrt (cbrt (- (* b b) (* 4 (* a c)))))))
104.0ms
(cbrt (- (* b b) (* 4 (* a c))))
146.0ms
(cbrt (- (* b b) (* 4 (* a c))))
128.0ms
(cbrt (- (* b b) (* 4 (* a c))))

simplify1.7s

Counts
97 → 97
Iterations
IterNodes
33118
2958
1330
0133

prune1.4s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 6.0b

regimes801.0ms

Accuracy

79.9% (5.6b remaining)

Error of 11.2b against oracle of 5.5b and baseline of 33.6b

bsearch198.0ms

Steps
ItersRangePoint
6
1.0281935457265552e+141
5.100996805178893e+141
2.88466596167667e+141
10
-1.305087172727865e-183
-3.833210530916389e-194
-1.2890050783826923e-183

simplify9.0ms

Iterations
IterNodes
237
137
029

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s1101×body2560valid
1.0s5836×body80valid
830.0ms2978×body80nan
711.0ms915×body1280valid
307.0ms500×body640valid
140.0ms106×body5120valid
113.0ms194×body320valid
32.0ms117×body160valid