Displaying 4 results from an estimated 4 matches for "vec_b".
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vec_a
2005 Dec 02
0
run time assembler patch for altivec, sse + bug fixes
...vec(const float *a, const float *b, int len)
{
int i;
float sum;
int a_aligned = (((unsigned long)a) & 15) ? 0 : 1;
int b_aligned = (((unsigned long)b) & 15) ? 0 : 1;
__vector float MSQa, LSQa, MSQb, LSQb;
__vector unsigned char maska, maskb;
__vector float vec_a, vec_b;
__vector float vec_result;
vec_result = (__vector float)vec_splat_u8(0);
if ((!a_aligned) && (!b_aligned))
{
// This (unfortunately) is the common case.
maska = vec_lvsl(0, a);
maskb = vec_lvsl(0, b);
MSQa = vec_ld(0, a);
MSQb = vec...
2004 Aug 06
2
[PATCH] Make SSE Run Time option. Add Win32 SSE code
Jean-Marc,
>I'm still not sure I get it. On an Athlon XP, I can do something like
>"mulps xmm0, xmm1", which means that the xmm registers are indeed
>supported. Besides, without the xmm registers, you can't use much of
>SSE.
In the Atholon XP 2400+ that we have in our QA lab (Win2000 ) if you run
that code it generates an Illegal Instruction Error. In addition,
2008 Dec 01
1
Help with lattice graphics
...tter the modifications?are most welcome.
Here is my code :
##########################################################
rm(list=ls())
# make up a test data frame with 4 columns
# factors in first 3 cols and a numeric in the 4th
vec_a<-paste("A",1:4,sep=(''));na<-length(vec_a)
vec_b<-paste("B",1:5,sep=(''));nb<-length(vec_b)
yr<-c("2007","2008","2009");ny<-length(yr)
fac_a<-factor(vec_a);fac_b<-factor(vec_b);fac_yr<-factor(yr)
n<-na*nb*ny
# y is the response variable
y<-runif(n);y<-round(y,digits=1)...
2004 Aug 06
6
[PATCH] Make SSE Run Time option.
..._ALTIVEC
int i;
float sum;
int a_aligned = (((unsigned long)a) & 15) ? 0 : 1;
int b_aligned = (((unsigned long)b) & 15) ? 0 : 1;
__vector float MSQa, LSQa, MSQb, LSQb;
__vector unsigned char maska, maskb;
__vector float vec_a, vec_b;
__vector float vec_result;
vec_result = (__vector float)vec_splat_u8(0);
if ((!a_aligned) && (!b_aligned)) {
// This (unfortunately) is the common case.
maska = vec_lvsl(0, a);
maskb = vec_lvsl(0, b);
MSQa =...