Details

Time bar (total: 21.4s)

sample103.0ms

Algorithm
intervals
Results
19.0ms32×body2560valid
17.0ms171×body80valid
17.0ms34×body1280valid
10.0ms105×body80nan
5.0ms13×body640valid
2.0msbody5120valid
2.0ms10×body160valid
1.0msbody320valid

simplify281.0ms

Counts
1 → 1
Iterations
IterNodes
done138
7138
6136
5131
4126
3107
261
128
014

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.4b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
1.0b
(- (* b b) (* 4.0 (* a c)))
2.4b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.3b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite235.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
133.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
18.0ms
(- (* b b) (* 4.0 (* a c)))
60.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
19.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series581.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
89.0ms
(- (* b b) (* 4.0 (* a c)))
172.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
137.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify5.1s

Counts
89 → 89
Iterations
IterNodes
done5000
34826
21269
1409
0157

prune854.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.1b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* c (* 4.0 a))))) (* 2.0 a))
1.0b
(- (* b b) (* c (* 4.0 a)))
2.4b
(- (- b) (sqrt (- (* b b) (* c (* 4.0 a)))))
22.3b
(sqrt (- (* b b) (* c (* 4.0 a))))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
141.0ms
(/ (- (- b) (sqrt (- (* b b) (* c (* 4.0 a))))) (* 2.0 a))
26.0ms
(- (* b b) (* c (* 4.0 a)))
48.0ms
(- (- b) (sqrt (- (* b b) (* c (* 4.0 a)))))
18.0ms
(sqrt (- (* b b) (* c (* 4.0 a))))

series591.0ms

Counts
4 → 12
Calls
4 calls:
188.0ms
(/ (- (- b) (sqrt (- (* b b) (* c (* 4.0 a))))) (* 2.0 a))
106.0ms
(- (* b b) (* c (* 4.0 a)))
166.0ms
(- (- b) (sqrt (- (* b b) (* c (* 4.0 a)))))
130.0ms
(sqrt (- (* b b) (* c (* 4.0 a))))

simplify2.7s

Counts
89 → 89
Iterations
IterNodes
done5000
21311
1414
0159

prune845.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 6.1b

localize65.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
1.0b
(- (* b b) (* 4.0 (* a c)))
2.4b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.3b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite297.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×add-sqr-sqrt
16×*-un-lft-identity
13×add-cbrt-cube
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r* associate-*l*
flip3-- sqrt-prod flip--
div-exp cbrt-unprod distribute-lft-out-- difference-of-squares
times-frac diff-log
cbrt-undiv frac-times sub-neg rec-exp distribute-rgt-neg-in sqrt-div 1-exp associate-*l/
associate--l- neg-sub0 rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 85
Calls
4 calls:
206.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
18.0ms
(- (* b b) (* 4.0 (* a c)))
49.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
19.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series515.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 (* 2.0 a)))
83.0ms
(- (* b b) (* 4.0 (* a c)))
139.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
115.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.9s

Counts
97 → 97
Iterations
IterNodes
done5001
21679
1474
0183

prune783.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 6.1b

localize15.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune1.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 6.1b

regimes731.0ms

Accuracy

85.4% (4.2b remaining)

Error of 9.8b against oracle of 5.6b and baseline of 34.2b

bsearch190.0ms

Steps
ItersRangePoint
7
6.896997489231346e+142
2.39218470372122e+144
6.0605931798902975e+143
8
-1.9399997713196595e-50
-4.155540846280759e-54
-9.446364120144488e-54

simplify9.0ms

Iterations
IterNodes
done32
132
027

end0.0ms

sample4.2s

Algorithm
intervals
Results
1.5s5836×body80valid
915.0ms1056×body2560valid
511.0ms909×body1280valid
502.0ms2825×body80nan
169.0ms449×body640valid
71.0ms103×body5120valid
69.0ms230×body320valid
23.0ms127×body160valid