Details

Time bar (total: 25.3s)

sample59.0ms

Algorithm
intervals
Results
12.0ms198×body80valid
11.0ms31×body2560valid
8.0ms28×body1280valid
5.0ms87×body80nan
4.0ms17×body640valid
2.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify189.0ms

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

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.4b
(- (* b b) (* 4 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite149.0ms

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:
88.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
16.0ms
(- (* b b) (* 4 (* a c)))
30.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
11.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series447.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
70.0ms
(- (* b b) (* 4 (* a c)))
125.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
106.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.9s

Counts
173 → 173
Iterations
IterNodes
done5001
21867
1599
0239

prune814.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.6b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
0.4b
(- (* b b) (* 4 (* a c)))
7.5b
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
204×times-frac
141×prod-diff
101×*-un-lft-identity
98×add-sqr-sqrt
95×add-cube-cbrt
51×sqrt-prod
34×distribute-rgt-neg-in
33×distribute-lft-neg-in
28×div-inv
15×fma-neg
11×neg-mul-1
add-cbrt-cube add-exp-log
add-log-exp
associate-/l*
pow1
expm1-log1p-u flip3-- sqrt-div insert-posit16 log1p-expm1-u flip--
distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 distribute-rgt-out-- pow1/2 div-sub prod-exp frac-sub cbrt-unprod sub-div difference-of-squares
Counts
4 → 244
Calls
4 calls:
21.0ms
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
9.0ms
(- (* b b) (* 4 (* a c)))
50.0ms
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
9.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series471.0ms

Counts
4 → 12
Calls
4 calls:
172.0ms
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
74.0ms
(- (* b b) (* 4 (* a c)))
115.0ms
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
110.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.9s

Counts
256 → 256
Iterations
IterNodes
done5009
22364
1844
0351

prune1.8s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.6b

localize58.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a)))
0.4b
(- (* b b) (* 4 (* a c)))
12.6b
(- (/ (- b) (* 2 a)) (* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a))))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
23×times-frac add-exp-log
22×add-sqr-sqrt
17×*-un-lft-identity add-cube-cbrt
15×fma-neg prod-diff
13×add-cbrt-cube
10×sqrt-div prod-exp
add-log-exp
pow1 flip3-- associate-*r* sqrt-prod flip--
distribute-lft-neg-in distribute-rgt-neg-in associate-*l* frac-sub
expm1-log1p-u frac-times div-exp associate-*l/ cbrt-unprod insert-posit16 log1p-expm1-u div-inv
associate-*r/ un-div-inv
cbrt-undiv rec-exp neg-mul-1 sub-neg diff-log 1-exp sub-div unswap-sqr
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 distribute-rgt-out-- pow1/2 div-sub pow-prod-down *-commutative
Counts
4 → 131
Calls
4 calls:
65.0ms
(* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a)))
17.0ms
(- (* b b) (* 4 (* a c)))
80.0ms
(- (/ (- b) (* 2 a)) (* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a))))
27.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series510.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a)))
84.0ms
(- (* b b) (* 4 (* a c)))
157.0ms
(- (/ (- b) (* 2 a)) (* (sqrt (- (* b b) (* 4 (* a c)))) (/ 1 (* 2 a))))
80.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.1s

Counts
143 → 143
Iterations
IterNodes
done5001
22600
1704
0260

prune994.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.6b

localize59.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c))))))
0.4b
(- (* b b) (* 4 (* a c)))
11.5b
(- (/ (- b) (* 2 a)) (/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c)))))))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
1238×times-frac
575×prod-diff
514×add-sqr-sqrt
510×*-un-lft-identity
506×add-cube-cbrt
141×sqrt-prod
126×distribute-lft-neg-in distribute-rgt-neg-in
107×associate-/r/
104×div-inv
94×sqrt-div
49×flip3-- flip--
42×neg-mul-1
25×add-exp-log
15×fma-neg
13×add-cbrt-cube
12×associate-/r* div-exp
add-log-exp
pow1
cbrt-undiv
expm1-log1p-u insert-posit16 log1p-expm1-u
rec-exp 1-exp prod-exp associate-/l* difference-of-squares
sub-neg diff-log distribute-lft-out--
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub frac-sub cbrt-unprod pow-flip inv-pow
Counts
4 → 724
Calls
4 calls:
41.0ms
(/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c))))))
13.0ms
(- (* b b) (* 4 (* a c)))
63.0ms
(- (/ (- b) (* 2 a)) (/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c)))))))
10.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series510.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c))))))
68.0ms
(- (* b b) (* 4 (* a c)))
172.0ms
(- (/ (- b) (* 2 a)) (/ 1 (/ (* 2 a) (sqrt (- (* b b) (* 4 (* a c)))))))
132.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify3.1s

Counts
736 → 736
Iterations
IterNodes
done5000
24560
12184
0902

prune5.3s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 6.6b

regimes487.0ms

Accuracy

83% (4.8b remaining)

Error of 10.6b against oracle of 5.8b and baseline of 34.2b

bsearch376.0ms

Steps
ItersRangePoint
9
6.2301214455520334e+75
1.9082112581546424e+85
1.6691257204922504e+85
4
-2.3602019652593256e-123
-1.5355849018748885e-123
-2.3344326820285623e-123
9
-2.9300981025422624e-27
-1.2024011261401705e-33
-6.936587154412951e-28
8
-1.0943378505721803e-12
-1.4409381956716427e-15
-7.363255598823911e-15

simplify15.0ms

Iterations
IterNodes
done46
146
037

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.3s891×body1280valid
729.0ms5842×body80valid
652.0ms1057×body2560valid
216.0ms2845×body80nan
176.0ms456×body640valid
78.0ms114×body5120valid
53.0ms228×body320valid
18.0ms117×body160valid