Details

Time bar (total: 19.3s)

sample94.0ms

Algorithm
intervals
Results
24.0ms39×body2560valid
20.0ms180×body80valid
15.0ms29×body1280valid
9.0ms21×body640valid
7.0ms70×body80nan
2.0msbody320valid
0.0msbody160valid

simplify103.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
373
241
122
012

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 33.3b

localize31.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
1.0b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
1.0b
(- (* b b) (* (* 3 a) c))
19.1b
(sqrt (- (* b b) (* (* 3 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:
52.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
30.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
12.0ms
(- (* b b) (* (* 3 a) c))
10.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series383.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
113.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
64.0ms
(- (* b b) (* (* 3 a) c))
79.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.4s

Counts
106 → 106
Iterations
IterNodes
done5003
21423
1442
0170

prune608.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.2b

localize39.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (* -3 a) c (* b b))
0.2b
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
1.0b
(- (sqrt (fma (* -3 a) c (* b b))) b)
19.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
135×add-sqr-sqrt
108×*-un-lft-identity
82×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
22×associate-/l*
18×prod-diff
13×distribute-lft-out--
add-cbrt-cube add-exp-log
fma-neg add-log-exp
pow1 div-inv
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/r* div-exp
div-sub
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log fma-udef flip-- associate-/l/
Counts
4 → 179
Calls
4 calls:
0.0ms
(fma (* -3 a) c (* b b))
33.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
23.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
3.0ms
(sqrt (fma (* -3 a) c (* b b)))

series509.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(fma (* -3 a) c (* b b))
212.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
102.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
117.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.6s

Counts
191 → 191
Iterations
IterNodes
done5000
21608
1620
0278

prune1.1s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (* -3 a) c (* b b))
0.2b
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* a 3))
1.0b
(- (sqrt (fma (* -3 a) c (* b b))) b)
19.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
18×prod-diff sqrt-prod
add-cbrt-cube add-exp-log
times-frac fma-neg associate-/l* add-log-exp difference-of-squares
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-out--
cbrt-undiv flip3-- div-exp flip-- associate-/l/
rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub prod-exp cbrt-unprod fma-udef div-inv
Counts
4 → 102
Calls
4 calls:
0.0ms
(fma (* -3 a) c (* b b))
26.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* a 3))
8.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
1.0ms
(sqrt (fma (* -3 a) c (* b b)))

series503.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(fma (* -3 a) c (* b b))
163.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* a 3))
133.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
136.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify3.4s

Counts
114 → 114
Iterations
IterNodes
done5000
34581
2984
1348
0152

prune590.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 4.0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.9b
(+ (sqrt (fma (* -3 a) c (* b b))) b)
5.6b
(/ (/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) (* a 3))
8.6b
(/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
19.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
54×*-un-lft-identity times-frac
33×add-sqr-sqrt
32×add-cube-cbrt
21×associate-/l*
18×add-cbrt-cube add-exp-log
11×distribute-lft-out
cbrt-undiv div-exp
fma-def associate-/r/ sqrt-prod add-log-exp
pow1 associate-/r*
expm1-log1p-u flip3-+ flip-+ insert-posit16 log1p-expm1-u div-inv
clear-num frac-2neg prod-exp cbrt-unprod
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 132
Calls
4 calls:
11.0ms
(+ (sqrt (fma (* -3 a) c (* b b))) b)
37.0ms
(/ (/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) (* a 3))
10.0ms
(/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
1.0ms
(sqrt (fma (* -3 a) c (* b b)))

series829.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(+ (sqrt (fma (* -3 a) c (* b b))) b)
279.0ms
(/ (/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) (* a 3))
298.0ms
(/ (fma (* -3 a) c 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
123.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.8s

Counts
144 → 144
Iterations
IterNodes
done5000
21427
1480
0202

prune801.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.0b

regimes433.0ms

Accuracy

87.7% (3.4b remaining)

Error of 9.0b against oracle of 5.6b and baseline of 32.8b

bsearch199.0ms

Steps
ItersRangePoint
6
1.738775184262485e-37
7.890820011983143e-37
3.633198732680569e-37
6
3.741113117015344e-128
4.125244515964402e-127
3.80416111172822e-128
6
-1.2115114540629089e+151
-9.504756559616229e+149
-7.397994825724217e+150

simplify8.0ms

Iterations
IterNodes
done45
145
040

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s1057×body2560valid
904.0ms5901×body80valid
841.0ms895×body1280valid
575.0ms106×body5120valid
438.0ms2938×body80nan
245.0ms456×body640valid
88.0ms211×body320valid
24.0ms94×body160valid