Details

Time bar (total: 20.4s)

sample128.0ms

Algorithm
intervals
Results
42.0ms31×body2560valid
21.0ms35×body1280valid
21.0ms173×body80valid
9.0ms20×body640valid
9.0ms82×body80nan
5.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify63.0ms

Counts
1 → 1
Iterations
IterNodes
done126
5126
4118
387
243
122
012

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.1b

localize24.0ms

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))
0.9b
(- (sqrt (fma (* -3 a) c (* b b))) b)
22.2b
(sqrt (fma (* -3 a) c (* b b)))

rewrite41.0ms

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))
29.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* 3 a))
7.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
1.0ms
(sqrt (fma (* -3 a) c (* b b)))

series470.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(fma (* -3 a) c (* b b))
152.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* 3 a))
125.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
119.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.5s

Counts
114 → 114
Iterations
IterNodes
done5000
21279
1350
0152

prune580.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 28.3b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
0.2b
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
0.9b
(- (sqrt (fma (* -3 a) c (* b b))) b)
22.2b
(sqrt (fma (* -3 a) c (* b b)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
162×add-sqr-sqrt
156×times-frac
127×*-un-lft-identity
93×add-cube-cbrt
34×difference-of-squares
32×sqrt-prod
28×associate-/l*
18×prod-diff
17×distribute-lft-out--
11×add-cbrt-cube add-exp-log
associate-/r* fma-neg div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u
div-sub associate-/l/
clear-num frac-2neg flip3-- flip--
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log
Counts
4 → 213
Calls
4 calls:
20.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
20.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
13.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
1.0ms
(sqrt (fma (* -3 a) c (* b b)))

series490.0ms

Counts
4 → 12
Calls
4 calls:
144.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
152.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
105.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
89.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.6s

Counts
225 → 225
Iterations
IterNodes
done5001
22514
1666
0282

prune1.2s

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 28.3b

localize51.0ms

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))
0.9b
(- (sqrt (fma (* -3 a) c (* b b))) b)
22.2b
(sqrt (fma (* -3 a) c (* b b)))

rewrite59.0ms

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))
38.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* a 3))
15.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
2.0ms
(sqrt (fma (* -3 a) c (* b b)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(fma (* -3 a) c (* b b))
165.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* a 3))
107.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
128.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.3s

Counts
114 → 114
Iterations
IterNodes
done5001
21290
1350
0152

prune684.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 28.3b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (fma (* -3 a) c (* b b))) 3)
0.2b
(/ (- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3)) a)
0.9b
(- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3))
22.2b
(sqrt (fma (* -3 a) c (* b b)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
575×times-frac
481×add-sqr-sqrt
425×*-un-lft-identity
385×add-cube-cbrt
286×prod-diff
151×sqrt-prod
48×div-inv
30×difference-of-squares
22×fma-neg
20×associate-/l* distribute-lft-out--
add-cbrt-cube add-exp-log
associate-/r* add-log-exp
pow1 distribute-rgt-out--
expm1-log1p-u insert-posit16 log1p-expm1-u associate-/l/
cbrt-undiv clear-num frac-2neg flip3-- div-exp frac-sub flip-- sub-div
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log div-sub
Counts
4 → 473
Calls
4 calls:
9.0ms
(/ (sqrt (fma (* -3 a) c (* b b))) 3)
46.0ms
(/ (- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3)) a)
32.0ms
(- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3))
2.0ms
(sqrt (fma (* -3 a) c (* b b)))

series580.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(/ (sqrt (fma (* -3 a) c (* b b))) 3)
179.0ms
(/ (- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3)) a)
134.0ms
(- (/ (sqrt (fma (* -3 a) c (* b b))) 3) (/ b 3))
116.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify2.5s

Counts
485 → 485
Iterations
IterNodes
done5000
24000
11240
0548

prune2.7s

Pruning

23 alts after pruning (22 fresh and 1 done)

Merged error: 28.1b

regimes1.0s

Accuracy

89.2% (0.6b remaining)

Error of 29.2b against oracle of 28.7b and baseline of 33.9b

bsearch164.0ms

Steps
ItersRangePoint
10
3.302865865338161e+140
2.8302951796802603e+150
5.03307751825146e+142

simplify2.0ms

Iterations
IterNodes
done18
118
016

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.3s1055×body2560valid
921.0ms5742×body80valid
769.0ms978×body1280valid
511.0ms2913×body80nan
292.0ms455×body640valid
203.0ms138×body5120valid
94.0ms257×body320valid
31.0ms118×body160valid