Details

Time bar (total: 17.0s)

sample95.0ms

Algorithm
intervals
Results
23.0ms173×body80valid
22.0ms39×body2560valid
12.0ms30×body1280valid
8.0ms89×body80nan
6.0ms16×body640valid
4.0msbody5120valid
3.0ms10×body320valid
1.0msbody160valid

simplify499.0ms

Counts
1 → 1
Iterations
IterNodes
8142
7142
6140
5135
4130
3110
263
129
014

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 38.0b

localize45.0ms

Local error

Found 3 expressions with local error:

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

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
77×*-un-lft-identity
60×prod-diff
57×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
10×fma-neg distribute-lft-out-- difference-of-squares
neg-mul-1 associate-/l* add-log-exp
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u associate-/r* insert-posit16 log1p-expm1-u
flip3-- diff-log flip-- associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log div-inv
Counts
3 → 156
Calls
3 calls:
27.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
17.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
2.0ms
(sqrt (fma (* -4 a) c (* b b)))

series330.0ms

Counts
3 → 9
Calls
3 calls:
126.0ms
(/ (- (- b) (sqrt (fma (* -4 a) c (* b b)))) a)
84.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
120.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify1.3s

Counts
165 → 165
Iterations
IterNodes
32842
21111
1477
0211

prune1.7s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.6b

localize18.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune50.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 7.6b

localize43.0ms

Local error

Found 3 expressions with local error:

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

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
62×*-un-lft-identity
60×prod-diff
53×add-cube-cbrt
35×sqrt-prod
23×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×associate-*r*
12×add-exp-log
11×times-frac
10×fma-neg
add-cbrt-cube
neg-mul-1 associate-*l* add-log-exp
pow1
prod-exp distribute-lft-out-- difference-of-squares
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip-- unswap-sqr
frac-times diff-log div-exp associate-*l/ cbrt-unprod
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 1-exp pow-prod-down neg-log associate-*r/ un-div-inv *-commutative div-inv
Counts
3 → 154
Calls
3 calls:
38.0ms
(* (- (- b) (sqrt (fma (* -4 a) c (* b b)))) (/ 1 a))
11.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
1.0ms
(sqrt (fma (* -4 a) c (* b b)))

series296.0ms

Counts
3 → 9
Calls
3 calls:
113.0ms
(* (- (- b) (sqrt (fma (* -4 a) c (* b b)))) (/ 1 a))
97.0ms
(- (- b) (sqrt (fma (* -4 a) c (* b b))))
86.0ms
(sqrt (fma (* -4 a) c (* b b)))

simplify3.2s

Counts
163 → 163
Iterations
IterNodes
33112
21319
1538
0230

prune1.7s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 7.6b

localize42.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (+ (sqrt (fma c (* -4 a) (* b b))) b)) a)
1.4b
(+ (sqrt (fma c (* -4 a) (* b b))) b)
26.8b
(sqrt (fma c (* -4 a) (* b b)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
36×times-frac
32×add-sqr-sqrt
31×add-cube-cbrt
16×distribute-lft-neg-in distribute-rgt-neg-in
12×associate-/l*
distribute-lft-out
fma-def sqrt-prod
add-cbrt-cube add-exp-log add-log-exp
pow1 neg-mul-1
expm1-log1p-u associate-/r* insert-posit16 log1p-expm1-u
flip3-+ flip-+ distribute-neg-frac associate-/l/
neg-sub0 cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 pow1/2 div-sub div-exp distribute-frac-neg div-inv
Counts
3 → 107
Calls
3 calls:
22.0ms
(/ (- (+ (sqrt (fma c (* -4 a) (* b b))) b)) a)
6.0ms
(+ (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series367.0ms

Counts
3 → 9
Calls
3 calls:
121.0ms
(/ (- (+ (sqrt (fma c (* -4 a) (* b b))) b)) a)
126.0ms
(+ (sqrt (fma c (* -4 a) (* b b))) b)
121.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify932.0ms

Counts
116 → 116
Iterations
IterNodes
32019
2788
1325
0155

prune1.1s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 7.6b

regimes389.0ms

Accuracy

86.7% (4.5b remaining)

Error of 10.1b against oracle of 5.6b and baseline of 39.3b

bsearch294.0ms

Steps
ItersRangePoint
9
2.662790715355376e+61
3.00977400694497e+66
2.9822108876570007e+66
9
-6.352668374011919e-47
-5.750941040768736e-55
-7.406397712303184e-53

simplify13.0ms

Iterations
IterNodes
338
238
135
026

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.1s916×body1280valid
1.1s1064×body2560valid
957.0ms5799×body80valid
412.0ms2970×body80nan
221.0ms444×body640valid
132.0ms120×body5120valid
99.0ms243×body320valid
62.0ms125×body160valid