Details

Time bar (total: 14.7s)

sample105.0ms

Algorithm
intervals
Results
23.0ms39×body2560valid
18.0ms188×body80valid
18.0ms13×body640valid
15.0ms31×body1280valid
10.0ms87×body80nan
3.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify95.0ms

Counts
1 → 1
Iterations
IterNodes
done115
5115
4107
385
247
125
014

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
0.4b
(- (* b b) (* (* 4 a) c))
0.4b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
23.1b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite105.0ms

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 insert-posit16 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 → 94
Calls
4 calls:
55.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
14.0ms
(- (* b b) (* (* 4 a) c))
25.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
10.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series420.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (+ (- 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))))
96.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.4s

Counts
106 → 106
Iterations
IterNodes
done5000
21513
1437
0166

prune676.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* a 2) (- (sqrt (fma b b (* a (* -4 c)))) b)))
0.4b
(- (sqrt (fma b b (* a (* -4 c)))) b)
0.5b
(fma b b (* a (* -4 c)))
23.1b
(sqrt (fma b b (* a (* -4 c))))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt
60×times-frac
50×*-un-lft-identity
40×add-cube-cbrt
25×add-exp-log
20×sqrt-prod
18×prod-diff
13×add-cbrt-cube
12×associate-/r* div-exp
10×difference-of-squares
associate-/r/
pow1 fma-neg add-log-exp
cbrt-undiv flip3-- div-inv flip-- distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
rec-exp 1-exp prod-exp associate-/l*
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log cbrt-unprod fma-udef pow-flip inv-pow
Counts
4 → 148
Calls
4 calls:
33.0ms
(/ 1 (/ (* a 2) (- (sqrt (fma b b (* a (* -4 c)))) b)))
8.0ms
(- (sqrt (fma b b (* a (* -4 c)))) b)
0.0ms
(fma b b (* a (* -4 c)))
1.0ms
(sqrt (fma b b (* a (* -4 c))))

series489.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(/ 1 (/ (* a 2) (- (sqrt (fma b b (* a (* -4 c)))) b)))
114.0ms
(- (sqrt (fma b b (* a (* -4 c)))) b)
64.0ms
(fma b b (* a (* -4 c)))
139.0ms
(sqrt (fma b b (* a (* -4 c))))

simplify2.0s

Counts
160 → 160
Iterations
IterNodes
done5002
21821
1579
0242

prune711.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.4b

localize42.0ms

Local error

Found 4 expressions with local error:

0.4b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
0.4b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
23.1b
(sqrt (- (* b b) (* (* 4 a) c)))
23.1b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
20×fma-def *-un-lft-identity
14×add-sqr-sqrt
12×add-cube-cbrt add-log-exp
distribute-rgt-neg-in
distribute-lft-neg-in pow1 sqrt-prod
expm1-log1p-u sum-log add-cbrt-cube sqrt-div add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square neg-mul-1 sqrt-pow1 flip3-+ flip3-- pow1/2 neg-log associate-+l- flip-+ flip--
Counts
4 → 92
Calls
4 calls:
20.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
15.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
17.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series450.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
102.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
89.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
111.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify2.0s

Counts
104 → 104
Iterations
IterNodes
done5000
33347
2774
1236
088

prune749.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.4b

localize6.0ms

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

10 alts after pruning (7 fresh and 3 done)

Merged error: 6.4b

regimes462.0ms

Accuracy

83.5% (4.6b remaining)

Error of 10.4b against oracle of 5.8b and baseline of 33.6b

bsearch190.0ms

Steps
ItersRangePoint
8
1.287554927770862e-68
8.304725640954512e-66
4.5810084990875205e-68
8
-3.370135567630554e+133
-1.481129451033522e+129
-2.1144981103869975e+131

simplify6.0ms

Iterations
IterNodes
done31
131
024

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.3s5890×body80valid
1.0s1064×body2560valid
845.0ms901×body1280valid
460.0ms2854×body80nan
251.0ms447×body640valid
141.0ms207×body320valid
128.0ms95×body5120valid
37.0ms133×body160valid