Details

Time bar (total: 26.4s)

sample135.0ms

Algorithm
intervals
Results
37.0ms198×body80valid
30.0ms34×body2560valid
22.0ms29×body1280valid
14.0ms91×body80nan
5.0msbody640valid
3.0msbody320valid
2.0msbody5120valid
2.0msbody160valid

simplify166.0ms

Counts
1 → 1
Iterations
IterNodes
8101
7101
6100
598
490
374
244
125
014

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
1.2b
(fma (* a c) -4 (* b b))
1.3b
(- (sqrt (fma (* a c) -4 (* b b))) b)
27.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
33.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.0ms
(fma (* a c) -4 (* b b))
11.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
66.0ms
(fma (* a c) -4 (* b b))
90.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
104.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify940.0ms

Counts
126 → 126
Iterations
IterNodes
32003
2718
1319
0156

prune1.2s

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 32.0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
1.2b
(fma (* a c) -4 (* b b))
1.3b
(- (sqrt (fma (* a c) -4 (* b b))) b)
27.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
32×*-un-lft-identity
27×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r* add-exp-log
11×times-frac
add-cbrt-cube
pow1
fma-neg associate-*l* add-log-exp
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u difference-of-squares
flip3-- flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef div-inv
Counts
4 → 115
Calls
4 calls:
58.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
0.0ms
(fma (* a c) -4 (* b b))
16.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
3.0ms
(sqrt (fma (* a c) -4 (* b b)))

series439.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(* (- (sqrt (fma (* a c) -4 (* b b))) b) (/ 1 a))
84.0ms
(fma (* a c) -4 (* b b))
111.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
92.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.9s

Counts
127 → 127
Iterations
IterNodes
32457
2936
1380
0175

prune1.1s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 32.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
1.2b
(fma (* a c) -4 (* b b))
1.3b
(- (sqrt (fma (* a c) -4 (* b b))) b)
27.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
137×add-sqr-sqrt
110×*-un-lft-identity
84×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
24×associate-/r*
18×prod-diff
15×add-exp-log
13×distribute-lft-out--
add-cbrt-cube associate-/r/
div-exp
pow1 fma-neg add-log-exp
flip3-- div-inv flip--
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/l*
rec-exp 1-exp
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log fma-udef pow-flip inv-pow
Counts
4 → 192
Calls
4 calls:
24.0ms
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
0.0ms
(fma (* a c) -4 (* b b))
12.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series439.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
66.0ms
(fma (* a c) -4 (* b b))
119.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
121.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify5.8s

Counts
204 → 204
Iterations
IterNodes
34042
21442
1601
0271

prune1.6s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 25.4b

localize60.0ms

Local error

Found 4 expressions with local error:

1.2b
(fma (* a c) -4 (* b b))
1.6b
(+ (sqrt (fma (* a c) -4 (* b b))) b)
14.7b
(/ (fma a (* -4 c) 0) a)
27.8b
(sqrt (fma (* a c) -4 (* b b)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
17×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt
times-frac
fma-def add-cbrt-cube add-exp-log sqrt-prod add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r* associate-/l*
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log frac-2neg sqrt-pow1 flip3-+ pow1/2 div-exp flip-+ fma-udef div-inv distribute-lft-out
Counts
4 → 78
Calls
4 calls:
0.0ms
(fma (* a c) -4 (* b b))
6.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
4.0ms
(/ (fma a (* -4 c) 0) a)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series361.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(fma (* a c) -4 (* b b))
137.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
64.0ms
(/ (fma a (* -4 c) 0) a)
98.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify4.2s

Counts
90 → 90
Iterations
IterNodes
47211
31349
2491
1211
0116

prune980.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 17.7b

regimes391.0ms

Accuracy

96.4% (0.5b remaining)

Error of 14.6b against oracle of 14.0b and baseline of 29.3b

bsearch307.0ms

Steps
ItersRangePoint
8
9.577178113063194e+87
1.3835948343101812e+92
1.3483090680597456e+92
9
-1.2934161330812669e-259
-3.5211401479992753e-265
-5.229623884976429e-265

simplify10.0ms

Iterations
IterNodes
238
138
033

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.5s5886×body80valid
1.1s1054×body2560valid
756.0ms908×body1280valid
416.0ms2993×body80nan
240.0ms446×body640valid
126.0ms232×body320valid
112.0ms110×body5120valid
30.0ms113×body160valid