Details

Time bar (total: 17.2s)

sample96.0ms

Algorithm
intervals
Results
22.0ms33×body2560valid
20.0ms185×body80valid
16.0ms32×body1280valid
9.0ms97×body80nan
5.0ms12×body640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify174.0ms

Counts
1 → 1
Iterations
IterNodes
done101
7101
6100
598
490
374
244
125
014

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.4b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.6b
(fma (* a c) -4 (* b b))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
22.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite41.0ms

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:
25.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.0ms
(fma (* a c) -4 (* b b))
13.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series479.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
83.0ms
(fma (* a c) -4 (* b b))
115.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
94.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.1s

Counts
126 → 126
Iterations
IterNodes
done2002
32002
2773
1335
0156

prune687.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 23.2b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
0.6b
(fma (* a c) -4 (* b b))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
22.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite64.0ms

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:
39.0ms
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
0.0ms
(fma (* a c) -4 (* b b))
16.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series519.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(/ 1 (/ a (- (sqrt (fma (* a c) -4 (* b b))) b)))
73.0ms
(fma (* a c) -4 (* b b))
129.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
135.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.4s

Counts
204 → 204
Iterations
IterNodes
done2000
32000
21575
1616
0271

prune905.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 22.8b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ 1 a) (/ 1 (- (sqrt (fma (* a c) -4 (* b b))) b)))
0.6b
(fma (* a c) -4 (* b b))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
22.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
789×times-frac
507×add-sqr-sqrt
420×*-un-lft-identity
334×add-cube-cbrt
86×difference-of-squares
58×sqrt-prod
44×add-exp-log
43×distribute-lft-out--
40×div-inv
32×div-exp
29×associate-/r/
24×associate-/r*
18×prod-diff
16×add-cbrt-cube
15×flip3-- flip--
13×associate-/l*
cbrt-undiv rec-exp 1-exp
fma-neg add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log fma-udef associate-/l/
Counts
4 → 453
Calls
4 calls:
40.0ms
(/ (/ 1 a) (/ 1 (- (sqrt (fma (* a c) -4 (* b b))) b)))
0.0ms
(fma (* a c) -4 (* b b))
15.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
3.0ms
(sqrt (fma (* a c) -4 (* b b)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(/ (/ 1 a) (/ 1 (- (sqrt (fma (* a c) -4 (* b b))) b)))
87.0ms
(fma (* a c) -4 (* b b))
104.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
105.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.4s

Counts
465 → 465
Iterations
IterNodes
done2002
22002
11751
0600

prune1.9s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 22.8b

localize95.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
22.2b
(sqrt (fma (* a c) -4 (* b b)))
22.2b
(sqrt (fma (* a c) -4 (* b b)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
38×*-un-lft-identity
36×prod-diff
34×add-cube-cbrt
32×sqrt-prod
12×fma-neg
add-log-exp
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log flip-- distribute-lft-out--
Counts
4 → 116
Calls
4 calls:
7.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
8.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series400.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
95.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
93.0ms
(sqrt (fma (* a c) -4 (* b b)))
115.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.1s

Counts
128 → 128
Iterations
IterNodes
done2003
42003
3925
2319
1173
086

prune812.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 22.8b

regimes373.0ms

Accuracy

92.8% (0.8b remaining)

Error of 22.0b against oracle of 21.2b and baseline of 33.0b

bsearch114.0ms

Steps
ItersRangePoint
8
8.942303404061595e-155
1.797707377495175e-151
1.0362819647114397e-153

simplify8.0ms

Iterations
IterNodes
done25
125
023

end0.0ms

sample4.9s

Algorithm
intervals
Results
1.2s1106×body2560valid
908.0ms2940×body80nan
869.0ms5933×body80valid
725.0ms842×body1280valid
479.0ms210×body320valid
268.0ms437×body640valid
141.0ms120×body5120valid
29.0ms113×body160valid