Details

Time bar (total: 21.3s)

sample165.0ms

Algorithm
intervals
Results
35.0ms35×body2560valid
31.0ms184×body80valid
27.0ms28×body1280valid
25.0ms15×body640valid
13.0ms86×body80nan
5.0msbody5120valid
4.0msbody320valid
2.0msbody160valid

simplify91.0ms

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

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.4b

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))
1.7b
(- (sqrt (fma (* a c) -4 (* b b))) b)
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite39.0ms

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:
24.0ms
(/ (- (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)))

series459.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
67.0ms
(fma (* a c) -4 (* b b))
113.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
128.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify986.0ms

Counts
126 → 126
Iterations
IterNodes
32003
2718
1319
0156

prune1.5s

Pruning

20 alts after pruning (20 fresh and 0 done)

Merged error: 29.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (fma (* a c) -4 (* b b))) a)
0.6b
(fma (* a c) -4 (* b b))
8.4b
(- (/ (sqrt (fma (* a c) -4 (* b b))) a) (/ b a))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
481×times-frac
378×add-sqr-sqrt
366×*-un-lft-identity
358×add-cube-cbrt
286×prod-diff
143×sqrt-prod
39×div-inv
22×fma-neg
add-cbrt-cube add-exp-log associate-/l* add-log-exp difference-of-squares
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out--
associate-/r*
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- distribute-rgt-out-- pow1/2 diff-log div-exp frac-sub fma-udef flip-- sub-div
Counts
4 → 405
Calls
4 calls:
9.0ms
(/ (sqrt (fma (* a c) -4 (* b b))) a)
0.0ms
(fma (* a c) -4 (* b b))
27.0ms
(- (/ (sqrt (fma (* a c) -4 (* b b))) a) (/ b a))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series445.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (sqrt (fma (* a c) -4 (* b b))) a)
92.0ms
(fma (* a c) -4 (* b b))
144.0ms
(- (/ (sqrt (fma (* a c) -4 (* b b))) a) (/ b a))
103.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify969.0ms

Counts
417 → 417
Iterations
IterNodes
22100
1970
0453

prune5.7s

Pruning

24 alts after pruning (24 fresh and 0 done)

Merged error: 29.2b

localize57.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (sqrt (fma (* a c) -4 (* b b))) b)
24.6b
(sqrt (fma (* a c) -4 (* b b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
23×*-un-lft-identity
22×sqrt-prod
21×add-cube-cbrt
18×prod-diff
pow1
fma-neg add-log-exp
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
12.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))
7.0ms
(sqrt (fma (* a c) -4 (* b b)))
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series405.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
93.0ms
(sqrt (fma (* a c) -4 (* b b)))
98.0ms
(sqrt (fma (* a c) -4 (* b b)))
114.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.2s

Counts
102 → 102
Iterations
IterNodes
42519
3919
2298
1158
086

prune1.7s

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 29.2b

localize48.0ms

Local error

Found 3 expressions with local error:

0.6b
(fma (* a c) -4 (* b b))
21.2b
(fma (sqrt (fma (* a c) -4 (* b b))) (/ 1 a) (- (/ b a)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log sqrt-prod insert-posit16 log1p-expm1-u add-log-exp
fma-udef
rem-sqrt-square sqrt-pow1 pow1/2
Counts
3 → 38
Calls
3 calls:
0.0ms
(fma (* a c) -4 (* b b))
0.0ms
(fma (sqrt (fma (* a c) -4 (* b b))) (/ 1 a) (- (/ b a)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series307.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(fma (* a c) -4 (* b b))
155.0ms
(fma (sqrt (fma (* a c) -4 (* b b))) (/ 1 a) (- (/ b a)))
87.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.5s

Counts
47 → 47
Iterations
IterNodes
42484
3633
2190
192
060

prune596.0ms

Pruning

25 alts after pruning (25 fresh and 0 done)

Merged error: 29.0b

regimes617.0ms

Accuracy

79.5% (1.3b remaining)

Error of 29.8b against oracle of 28.4b and baseline of 35.0b

bsearch122.0ms

Steps
ItersRangePoint
7
3.2477440454532417e+94
1.208571928248366e+96
4.307246706626464e+94

simplify3.0ms

Iterations
IterNodes
220
120
019

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.2s915×body1280valid
1.0s1126×body2560valid
911.0ms5836×body80valid
490.0ms2976×body80nan
232.0ms417×body640valid
114.0ms119×body5120valid
89.0ms236×body320valid
25.0ms115×body160valid