Details

Time bar (total: 15.8s)

sample144.0ms

Algorithm
intervals
Results
46.0ms23×body1280valid
30.0ms42×body2560valid
22.0ms176×body80valid
12.0ms23×body640valid
11.0ms98×body80nan
4.0ms10×body320valid
2.0msbody5120valid
1.0msbody160valid

simplify151.0ms

Counts
1 → 1
Iterations
IterNodes
done134
7134
6132
5129
4126
3103
262
128
014

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.5b

localize50.0ms

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)))
0.7b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- insert-posit16 flip--
distribute-rgt-neg-in 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 → 81
Calls
4 calls:
47.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
8.0ms
(- (* b b) (* 4 (* a c)))
19.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series469.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
86.0ms
(- (* b b) (* 4 (* a c)))
124.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
93.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.7s

Counts
93 → 93
Iterations
IterNodes
done2006
32006
21254
1400
0154

prune458.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.3b

localize48.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
0.6b
(- (* b b) (* 4 (* a c)))
0.7b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
insert-posit16
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod pow-flip inv-pow
Counts
4 → 129
Calls
4 calls:
36.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
8.0ms
(- (* b b) (* 4 (* a c)))
14.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series457.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
65.0ms
(- (* b b) (* 4 (* a c)))
114.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
104.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.4s

Counts
141 → 141
Iterations
IterNodes
done2002
32002
21799
1571
0229

prune633.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.3b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1/2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c))))))
0.6b
(- (* b b) (* 4 (* a c)))
0.7b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite147.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity
13×associate-*l* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-*r*
flip3-- sqrt-prod flip--
sub-neg insert-posit16 distribute-lft-out-- difference-of-squares
diff-log
distribute-rgt-in frac-times distribute-rgt-neg-in distribute-lft-in sqrt-div prod-exp associate-*r/ 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-*l/ *-commutative div-inv
Counts
4 → 93
Calls
4 calls:
99.0ms
(* (/ 1/2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c))))))
8.0ms
(- (* b b) (* 4 (* a c)))
24.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
14.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series447.0ms

Counts
4 → 12
Calls
4 calls:
172.0ms
(* (/ 1/2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c))))))
60.0ms
(- (* b b) (* 4 (* a c)))
105.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
108.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.5s

Counts
105 → 105
Iterations
IterNodes
done2001
32001
21599
1463
0174

prune584.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.3b

localize42.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* -4 a) c)
0.6b
(+ (* b b) (* (* -4 a) c))
0.7b
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
21.9b
(sqrt (+ (* b b) (* (* -4 a) c)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1 *-un-lft-identity add-log-exp
add-cbrt-cube add-exp-log
add-cube-cbrt
sqrt-prod insert-posit16
associate-*r* pow-prod-down prod-exp cbrt-unprod
flip3-+ sqrt-div diff-log flip-+ distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 +-commutative rem-sqrt-square sum-log sub-neg distribute-rgt-neg-in sqrt-pow1 flip3-- pow1/2 associate-*l* neg-log *-commutative flip--
Counts
4 → 66
Calls
4 calls:
14.0ms
(* (* -4 a) c)
14.0ms
(+ (* b b) (* (* -4 a) c))
20.0ms
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
6.0ms
(sqrt (+ (* b b) (* (* -4 a) c)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(* (* -4 a) c)
65.0ms
(+ (* b b) (* (* -4 a) c))
120.0ms
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
108.0ms
(sqrt (+ (* b b) (* (* -4 a) c)))

simplify1.2s

Counts
78 → 78
Iterations
IterNodes
done2004
32004
21104
1331
0130

prune358.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.3b

regimes420.0ms

Accuracy

83.1% (4.7b remaining)

Error of 10.4b against oracle of 5.8b and baseline of 33.3b

bsearch207.0ms

Steps
ItersRangePoint
7
6.52945691119865e+99
1.3360629297740576e+102
6.384705165981893e+101
9
-3.929467862544791e-84
-4.77908653107304e-89
-5.961198324014865e-88

simplify10.0ms

Iterations
IterNodes
done34
134
027

end0.0ms

sample4.9s

Algorithm
intervals
Results
1.5s1077×body2560valid
989.0ms5862×body80valid
906.0ms903×body1280valid
537.0ms2940×body80nan
288.0ms471×body640valid
231.0ms109×body5120valid
99.0ms219×body320valid
37.0ms117×body160valid