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pub
pi
Commits
ba85ba18
Commit
ba85ba18
authored
Dec 25, 2020
by
Neil Gershenfeld
Browse files
wip
parent
bf10e1df
Pipeline
#9891
passed with stage
in 1 second
Changes
2
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
Arduino/pi.ino
View file @
ba85ba18
...
...
@@ -5,11 +5,10 @@
* pi = 3.14159265358979323846
*/
#define NPTS 100000
0
#define NPTS 100000
int
i
;
float
a
,
b
,
c
,
pi
,
dt
,
mflops
;
unsigned
long
tstart
,
tend
;
unsigned
long
i
,
tstart
,
tend
;
void
setup
()
{
Serial
.
begin
(
115200
);
...
...
@@ -26,6 +25,12 @@ void loop() {
tend
=
millis
();
dt
=
(
tend
-
tstart
)
/
1000.0
;
mflops
=
NPTS
*
5.0
/
(
dt
*
1e6
);
printf
(
"NPTS = %d, pi = %f
\n
"
,
NPTS
,
pi
);
printf
(
"time = %f, estimated MFlops = %f
\n
"
,
dt
,
mflops
);
Serial
.
print
(
"NPTS = "
);
Serial
.
print
(
NPTS
);
Serial
.
print
(
" pi = "
);
Serial
.
println
(
pi
);
Serial
.
print
(
"time = "
);
Serial
.
print
(
dt
);
Serial
.
print
(
" estimated MFlops = "
);
Serial
.
println
(
mflops
);
}
README.md
View file @
ba85ba18
...
...
@@ -50,6 +50,7 @@
|0.001|prior|Sun SPARCStation 1|C|prior|
|0.001|prior|DEC VAX 8650|C|prior|
|0.0007|prior|Intel 486|C|prior|
|0.0001|
[
pi.ino
](
Arduino/pi.ino
)
|Arduino, floats|ATtiny1614|December, 2020|
|0.00003|prior|Sun 3/60|C|prior|
|0.00003|prior|Intel 286|C|prior|
|0.000001|prior|Intel 8088|C|prior|
...
...
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