Details

Time bar (total: 18.4s)

sample128.0ms

Algorithm
intervals
Results
28.0ms176×body80valid
27.0ms31×body2560valid
19.0ms30×body1280valid
12.0ms85×body80nan
9.0ms16×body640valid
5.0msbody5120valid
4.0msbody320valid
1.0msbody160valid

simplify214.0ms

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

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.3b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.8b
(- (* b b) (* 4 (* a c)))
1.2b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
22.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite123.0ms

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:
75.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
21.0ms
(- (* b b) (* 4 (* a c)))
19.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series746.0ms

Counts
4 → 12
Calls
4 calls:
465.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
71.0ms
(- (* b b) (* 4 (* a c)))
111.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
98.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.1s

Counts
93 → 93
Iterations
IterNodes
done2006
32006
21254
1400
0154

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (+ (* b b) (* (* -4 a) c)))) (* 2 a))
0.8b
(+ (* b b) (* (* -4 a) c))
1.2b
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
22.9b
(sqrt (+ (* b b) (* (* -4 a) c)))

rewrite102.0ms

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
insert-posit16
distribute-rgt-neg-in
cbrt-undiv flip3-+ flip3-- sqrt-div diff-log div-exp flip-+ flip-- associate-/l/
associate--l- neg-sub0 +-commutative rem-sqrt-square clear-num associate-/r* sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 80
Calls
4 calls:
58.0ms
(/ (- (- b) (sqrt (+ (* b b) (* (* -4 a) c)))) (* 2 a))
16.0ms
(+ (* b b) (* (* -4 a) c))
20.0ms
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
6.0ms
(sqrt (+ (* b b) (* (* -4 a) c)))

series377.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(/ (- (- b) (sqrt (+ (* b b) (* (* -4 a) c)))) (* 2 a))
61.0ms
(+ (* b b) (* (* -4 a) c))
100.0ms
(- (- b) (sqrt (+ (* b b) (* (* -4 a) c))))
93.0ms
(sqrt (+ (* b b) (* (* -4 a) c)))

simplify1.2s

Counts
92 → 92
Iterations
IterNodes
done2000
32000
21344
1412
0156

prune884.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.7b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
0.8b
(- (* b b) (* 4 (* a c)))
1.2b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
22.9b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-*l*
flip3-- sqrt-prod flip--
insert-posit16 distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg distribute-rgt-neg-in 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 → 89
Calls
4 calls:
61.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
8.0ms
(- (* b b) (* 4 (* a c)))
17.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series358.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
57.0ms
(- (* b b) (* 4 (* a c)))
99.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
74.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.2s

Counts
101 → 101
Iterations
IterNodes
done2015
32015
21553
1452
0177

prune1.1s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.7b

localize52.0ms

Local error

Found 4 expressions with local error:

22.9b
(sqrt (* (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c))))) (cbrt (- (* b b) (* 4 (* a c))))))
23.8b
(cbrt (- (* b b) (* 4 (* a c))))
23.8b
(cbrt (- (* b b) (* 4 (* a c))))
23.8b
(cbrt (- (* b b) (* 4 (* a c))))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-div
30×flip3-- flip--
28×frac-times
26×sqrt-div
24×pow1
15×sqrt-pow1
14×associate-*l/
12×pow1/3
cbrt-prod pow-prod-up
associate-*r/
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow-plus
pow-prod-down
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
pow-sqr
pow2
pow1/2 pow3 sqrt-prod
Counts
4 → 93
Calls
4 calls:
101.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c))))) (cbrt (- (* b b) (* 4 (* a c))))))
9.0ms
(cbrt (- (* b b) (* 4 (* a c))))
7.0ms
(cbrt (- (* b b) (* 4 (* a c))))
5.0ms
(cbrt (- (* b b) (* 4 (* a c))))

series537.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4 (* a c)))) (cbrt (- (* b b) (* 4 (* a c))))) (cbrt (- (* b b) (* 4 (* a c))))))
143.0ms
(cbrt (- (* b b) (* 4 (* a c))))
128.0ms
(cbrt (- (* b b) (* 4 (* a c))))
148.0ms
(cbrt (- (* b b) (* 4 (* a c))))

simplify1.5s

Counts
105 → 105
Iterations
IterNodes
done2005
42005
31921
2703
1351
0187

prune1.6s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 5.7b

regimes437.0ms

Accuracy

81.7% (5.0b remaining)

Error of 10.7b against oracle of 5.7b and baseline of 33.2b

bsearch214.0ms

Steps
ItersRangePoint
8
2.231296991249122e+66
2.5939819947174796e+69
2.559678284282607e+69
9
-2.273288360947074e-131
-1.9680749876012584e-137
-2.2415082771065304e-131

simplify5.0ms

Iterations
IterNodes
done30
130
024

end0.0ms

sample5.0s

Algorithm
intervals
Results
1.9s1048×body2560valid
868.0ms5790×body80valid
815.0ms956×body1280valid
430.0ms2938×body80nan
332.0ms454×body640valid
125.0ms98×body5120valid
125.0ms220×body320valid
28.0ms105×body160valid