Details

Time bar (total: 15.4s)

sample76.0ms

Algorithm
intervals
Results
16.0ms38×body2560valid
12.0ms178×body80valid
9.0ms104×body80nan
8.0ms24×body1280valid
4.0ms16×body640valid
2.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify155.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
375
240
122
012

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.4b
(- (* b b) (* (* 3.0 a) c))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
21.4b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
66.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
7.0ms
(- (* b b) (* (* 3.0 a) c))
22.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series472.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
85.0ms
(- (* b b) (* (* 3.0 a) c))
119.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
113.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.7s

Counts
102 → 102
Iterations
IterNodes
done5001
21376
1435
0167

prune693.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 3.0 (* a c))
0.4b
(- (* b b) (* 3.0 (* a c)))
1.5b
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
21.4b
(sqrt (- (* b b) (* 3.0 (* a c))))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
19×prod-diff
16×sqrt-prod
10×pow1
add-cbrt-cube add-exp-log
add-log-exp
fma-neg
expm1-log1p-u log1p-expm1-u
flip3-- associate-*l* pow-prod-down prod-exp cbrt-unprod flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative distribute-lft-out--
Counts
4 → 94
Calls
4 calls:
12.0ms
(* 3.0 (* a c))
8.0ms
(- (* b b) (* 3.0 (* a c)))
53.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
17.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

series299.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* 3.0 (* a c))
66.0ms
(- (* b b) (* 3.0 (* a c)))
99.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
90.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

simplify1.6s

Counts
106 → 106
Iterations
IterNodes
done5000
21243
1393
0158

prune551.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* 3.0 a) (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
0.4b
(- (* b b) (* (* 3.0 a) c))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
21.4b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 associate-/r* times-frac
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-/r/ flip-+ flip--
neg-sub0 +-commutative rem-sqrt-square clear-num neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log prod-diff neg-log prod-exp associate-+l- cbrt-unprod div-inv associate-/l*
Counts
4 → 89
Calls
4 calls:
37.0ms
(/ (* 3.0 a) (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
12.0ms
(- (* b b) (* (* 3.0 a) c))
33.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
8.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series498.0ms

Counts
4 → 12
Calls
4 calls:
271.0ms
(/ (* 3.0 a) (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
51.0ms
(- (* b b) (* (* 3.0 a) c))
88.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
88.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done5002
21395
1425
0159

prune620.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
0.4b
(- (* b b) (* 3.0 (* a c)))
1.5b
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
21.4b
(sqrt (- (* b b) (* 3.0 (* a c))))

rewrite150.0ms

Algorithm
rewrite-expression-head
Rules
70×add-sqr-sqrt
46×*-un-lft-identity
36×add-cube-cbrt
34×times-frac
26×add-exp-log
22×associate-*r*
19×prod-diff sqrt-prod
16×add-cbrt-cube
13×associate-*l*
div-exp prod-exp add-log-exp difference-of-squares
pow1 fma-neg
unswap-sqr
expm1-log1p-u cbrt-undiv cbrt-unprod log1p-expm1-u distribute-lft-out--
flip3-- flip--
rec-exp sub-neg sqrt-div diff-log 1-exp div-inv
frac-times rem-sqrt-square sqrt-pow1 pow1/2 pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
4 → 141
Calls
4 calls:
80.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
7.0ms
(- (* b b) (* 3.0 (* a c)))
45.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
9.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(* (/ 1 3.0) (/ (- (sqrt (- (* b b) (* 3.0 (* a c)))) b) a))
76.0ms
(- (* b b) (* 3.0 (* a c)))
100.0ms
(- (sqrt (- (* b b) (* 3.0 (* a c)))) b)
85.0ms
(sqrt (- (* b b) (* 3.0 (* a c))))

simplify1.6s

Counts
153 → 153
Iterations
IterNodes
done5010
22156
1719
0260

prune713.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 6.1b

regimes880.0ms

Accuracy

83.4% (4.7b remaining)

Error of 10.3b against oracle of 5.6b and baseline of 34.0b

bsearch204.0ms

Steps
ItersRangePoint
10
2.044647849876085e-45
1.359053137570048e-33
6.407662420749315e-35
10
-8.897020078895062e+156
-1.101416214509623e+146
-8.035809894237901e+152

simplify28.0ms

Iterations
IterNodes
done32
132
027

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.0s5811×body80valid
502.0ms1026×body2560valid
390.0ms885×body1280valid
270.0ms2885×body80nan
172.0ms506×body640valid
78.0ms216×body320valid
62.0ms118×body5120valid
17.0ms121×body160valid