Details

Time bar (total: 24.3s)

sample99.0ms

Algorithm
intervals
Results
26.0ms37×body2560valid
20.0ms186×body80valid
15.0ms28×body1280valid
10.0ms91×body80nan
7.0ms19×body640valid
3.0ms11×body320valid
1.0msbody160valid

simplify224.0ms

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

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.8b

localize45.0ms

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)))

rewrite78.0ms

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))
45.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
26.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
4.0ms
(sqrt (fma (* -4 a) c (* b b)))

series411.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(fma (* -4 a) c (* b b))
118.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
107.0ms
(- (- 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

prune2.4s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.0b

localize34.0ms

Local error

Found 4 expressions with local error:

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

rewrite217.0ms

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-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-+ flip3-- sqrt-div diff-log flip-+ flip-- associate-/l/
associate--l- neg-sub0 cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg fma-def frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log div-inv
Counts
4 → 173
Calls
4 calls:
107.0ms
(/ (- (- b) (sqrt (+ (* (* -4 a) c) (* b b)))) a)
30.0ms
(+ (* (* -4 a) c) (* b b))
50.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
27.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series433.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(/ (- (- b) (sqrt (+ (* (* -4 a) c) (* b b)))) a)
80.0ms
(+ (* (* -4 a) c) (* b b))
113.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
115.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.1s

Counts
185 → 185
Iterations
IterNodes
done2008
32008
21565
1578
0239

prune2.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.0b

localize32.0ms

Local error

Found 4 expressions with local error:

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

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
70×add-sqr-sqrt
63×*-un-lft-identity
60×prod-diff
54×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×associate-*r* add-exp-log
11×times-frac
10×fma-neg add-log-exp
add-cbrt-cube
pow1 neg-mul-1 associate-*l*
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u distribute-lft-out-- difference-of-squares
flip3-- flip-- unswap-sqr
frac-times flip3-+ sqrt-div diff-log div-exp associate-*l/ cbrt-unprod flip-+
associate--l- neg-sub0 cbrt-undiv +-commutative rem-sqrt-square rec-exp sum-log sub-neg fma-def sqrt-pow1 pow1/2 1-exp pow-prod-down neg-log associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 171
Calls
4 calls:
167.0ms
(* (- (- b) (sqrt (+ (* (* -4 a) c) (* b b)))) (/ 1 a))
16.0ms
(+ (* (* -4 a) c) (* b b))
58.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
33.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series439.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(* (- (- b) (sqrt (+ (* (* -4 a) c) (* b b)))) (/ 1 a))
77.0ms
(+ (* (* -4 a) c) (* b b))
122.0ms
(- (- b) (sqrt (+ (* (* -4 a) c) (* b b))))
111.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.3s

Counts
183 → 183
Iterations
IterNodes
done2003
32003
21732
1641
0258

prune2.5s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.0b

localize52.0ms

Local error

Found 4 expressions with local error:

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

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
171×add-sqr-sqrt
170×*-un-lft-identity
165×times-frac
118×add-cube-cbrt
60×prod-diff
46×sqrt-prod
34×distribute-rgt-neg-in
27×associate-/r*
26×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
15×add-exp-log
10×fma-neg
add-cbrt-cube associate-/r/
add-log-exp
neg-mul-1 div-exp
pow1
flip3-- div-inv flip--
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/l*
rec-exp diff-log 1-exp
associate--l- neg-sub0 rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 neg-log fma-udef pow-flip inv-pow
Counts
4 → 253
Calls
4 calls:
16.0ms
(/ 1 (/ a (- (- b) (sqrt (fma -4 (* c a) (* b b))))))
0.0ms
(fma -4 (* c a) (* b b))
10.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
1.0ms
(sqrt (fma -4 (* c a) (* b b)))

series443.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(/ 1 (/ a (- (- b) (sqrt (fma -4 (* c a) (* b b))))))
69.0ms
(fma -4 (* c a) (* b b))
95.0ms
(- (- b) (sqrt (fma -4 (* c a) (* b b))))
126.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify1.4s

Counts
265 → 265
Iterations
IterNodes
done2001
32001
21787
1761
0331

prune3.9s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.0b

regimes371.0ms

Accuracy

79.6% (5.8b remaining)

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

bsearch244.0ms

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

simplify12.0ms

Iterations
IterNodes
done40
140
032

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s1101×body2560valid
1.0s5836×body80valid
808.0ms915×body1280valid
679.0ms500×body640valid
394.0ms2978×body80nan
161.0ms106×body5120valid
77.0ms194×body320valid
34.0ms117×body160valid