Details

Time bar (total: 21.7s)

sample108.0ms

Algorithm
intervals
Results
26.0ms16×body640valid
21.0ms39×body2560valid
17.0ms173×body80valid
14.0ms30×body1280valid
8.0ms89×body80nan
3.0msbody5120valid
3.0ms10×body320valid
1.0msbody160valid

simplify166.0ms

Counts
1 → 1
Iterations
IterNodes
8134
7134
6132
5129
4126
3103
262
128
014

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
1.2b
(- (* b b) (* 4 (* a c)))
1.4b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
26.8b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite103.0ms

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:
57.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
18.0ms
(- (* b b) (* 4 (* a c)))
20.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series394.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
54.0ms
(- (* b b) (* 4 (* a c)))
102.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
104.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.2s

Counts
93 → 93
Iterations
IterNodes
34255
21194
1398
0154

prune900.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.6b

localize14.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune75.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 7.6b

localize55.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
1.2b
(- (* b b) (* 4 (* a c)))
1.4b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
26.8b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite165.0ms

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:
107.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
15.0ms
(- (* b b) (* 4 (* a c)))
26.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
14.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series413.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
63.0ms
(- (* b b) (* 4 (* a c)))
118.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
112.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.8s

Counts
101 → 101
Iterations
IterNodes
35724
21456
1448
0177

prune961.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.6b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
1.2b
(- (* b b) (* 4 (* a c)))
1.4b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
26.8b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite138.0ms

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:
72.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
17.0ms
(- (* b b) (* 4 (* a c)))
31.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
14.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series357.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
49.0ms
(- (* b b) (* 4 (* a c)))
99.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
88.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify6.0s

Counts
141 → 141
Iterations
IterNodes
36319
21703
1554
0229

prune994.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.4b

regimes503.0ms

Accuracy

86.7% (3.5b remaining)

Error of 9.0b against oracle of 5.5b and baseline of 31.7b

bsearch429.0ms

Steps
ItersRangePoint
9
2.662790715355376e+61
3.00977400694497e+66
9.179168538250646e+63
9
-7.863485219732001e-306
1.6702113216735622e-306
-2.396838732613953e-306
9
-229886301330938.94
-710549284.1101115
-6239046376.848015

simplify30.0ms

Iterations
IterNodes
573
473
368
256
146
035

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.4s5799×body80valid
1.1s1064×body2560valid
858.0ms916×body1280valid
466.0ms2970×body80nan
246.0ms444×body640valid
150.0ms120×body5120valid
115.0ms243×body320valid
56.0ms125×body160valid