From f0238cfb6997c4acfc2bd200de7295f3fa36968f Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 3 Mar 2019 21:09:10 +0100
Subject: don't index Eigen

---
 eigen/bench/benchVecAdd.cpp | 135 --------------------------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 eigen/bench/benchVecAdd.cpp

(limited to 'eigen/bench/benchVecAdd.cpp')

diff --git a/eigen/bench/benchVecAdd.cpp b/eigen/bench/benchVecAdd.cpp
deleted file mode 100644
index ce8e1e9..0000000
--- a/eigen/bench/benchVecAdd.cpp
+++ /dev/null
@@ -1,135 +0,0 @@
-
-#include <iostream>
-#include <Eigen/Core>
-#include <bench/BenchTimer.h>
-using namespace Eigen;
-
-#ifndef SIZE
-#define SIZE 50
-#endif
-
-#ifndef REPEAT
-#define REPEAT 10000
-#endif
-
-typedef float Scalar;
-
-__attribute__ ((noinline)) void benchVec(Scalar* a, Scalar* b, Scalar* c, int size);
-__attribute__ ((noinline)) void benchVec(MatrixXf& a, MatrixXf& b, MatrixXf& c);
-__attribute__ ((noinline)) void benchVec(VectorXf& a, VectorXf& b, VectorXf& c);
-
-int main(int argc, char* argv[])
-{
-    int size = SIZE * 8;
-    int size2 = size * size;
-    Scalar* a = internal::aligned_new<Scalar>(size2);
-    Scalar* b = internal::aligned_new<Scalar>(size2+4)+1;
-    Scalar* c = internal::aligned_new<Scalar>(size2); 
-    
-    for (int i=0; i<size; ++i)
-    {
-        a[i] = b[i] = c[i] = 0;
-    }
-    
-    BenchTimer timer;
-    
-    timer.reset();
-    for (int k=0; k<10; ++k)
-    {
-        timer.start();
-        benchVec(a, b, c, size2);
-        timer.stop();
-    }
-    std::cout << timer.value() << "s  " << (double(size2*REPEAT)/timer.value())/(1024.*1024.*1024.) << " GFlops\n";
-    return 0;
-    for (int innersize = size; innersize>2 ; --innersize)
-    {
-        if (size2%innersize==0)
-        {
-            int outersize = size2/innersize;
-            MatrixXf ma = Map<MatrixXf>(a, innersize, outersize );
-            MatrixXf mb = Map<MatrixXf>(b, innersize, outersize );
-            MatrixXf mc = Map<MatrixXf>(c, innersize, outersize );
-            timer.reset();
-            for (int k=0; k<3; ++k)
-            {
-                timer.start();
-                benchVec(ma, mb, mc);
-                timer.stop();
-            }
-            std::cout << innersize << " x " << outersize << "  " << timer.value() << "s   " << (double(size2*REPEAT)/timer.value())/(1024.*1024.*1024.) << " GFlops\n";
-        }
-    }
-    
-    VectorXf va = Map<VectorXf>(a, size2);
-    VectorXf vb = Map<VectorXf>(b, size2);
-    VectorXf vc = Map<VectorXf>(c, size2);
-    timer.reset();
-    for (int k=0; k<3; ++k)
-    {
-        timer.start();
-        benchVec(va, vb, vc);
-        timer.stop();
-    }
-    std::cout << timer.value() << "s   " << (double(size2*REPEAT)/timer.value())/(1024.*1024.*1024.) << " GFlops\n";
-
-    return 0;
-}
-
-void benchVec(MatrixXf& a, MatrixXf& b, MatrixXf& c)
-{
-    for (int k=0; k<REPEAT; ++k)
-        a = a + b;
-}
-
-void benchVec(VectorXf& a, VectorXf& b, VectorXf& c)
-{
-    for (int k=0; k<REPEAT; ++k)
-        a = a + b;
-}
-
-void benchVec(Scalar* a, Scalar* b, Scalar* c, int size)
-{
-    typedef internal::packet_traits<Scalar>::type PacketScalar;
-    const int PacketSize = internal::packet_traits<Scalar>::size;
-    PacketScalar a0, a1, a2, a3, b0, b1, b2, b3;
-    for (int k=0; k<REPEAT; ++k)
-        for (int i=0; i<size; i+=PacketSize*8)
-        {
-//             a0 = internal::pload(&a[i]);
-//             b0 = internal::pload(&b[i]);
-//             a1 = internal::pload(&a[i+1*PacketSize]);
-//             b1 = internal::pload(&b[i+1*PacketSize]);
-//             a2 = internal::pload(&a[i+2*PacketSize]);
-//             b2 = internal::pload(&b[i+2*PacketSize]);
-//             a3 = internal::pload(&a[i+3*PacketSize]);
-//             b3 = internal::pload(&b[i+3*PacketSize]);
-//             internal::pstore(&a[i], internal::padd(a0, b0));
-//             a0 = internal::pload(&a[i+4*PacketSize]);
-//             b0 = internal::pload(&b[i+4*PacketSize]);
-//             
-//             internal::pstore(&a[i+1*PacketSize], internal::padd(a1, b1));
-//             a1 = internal::pload(&a[i+5*PacketSize]);
-//             b1 = internal::pload(&b[i+5*PacketSize]);
-//             
-//             internal::pstore(&a[i+2*PacketSize], internal::padd(a2, b2));
-//             a2 = internal::pload(&a[i+6*PacketSize]);
-//             b2 = internal::pload(&b[i+6*PacketSize]);
-//             
-//             internal::pstore(&a[i+3*PacketSize], internal::padd(a3, b3));
-//             a3 = internal::pload(&a[i+7*PacketSize]);
-//             b3 = internal::pload(&b[i+7*PacketSize]);
-//             
-//             internal::pstore(&a[i+4*PacketSize], internal::padd(a0, b0));
-//             internal::pstore(&a[i+5*PacketSize], internal::padd(a1, b1));
-//             internal::pstore(&a[i+6*PacketSize], internal::padd(a2, b2));
-//             internal::pstore(&a[i+7*PacketSize], internal::padd(a3, b3));
-            
-            internal::pstore(&a[i+2*PacketSize], internal::padd(internal::ploadu(&a[i+2*PacketSize]), internal::ploadu(&b[i+2*PacketSize])));
-            internal::pstore(&a[i+3*PacketSize], internal::padd(internal::ploadu(&a[i+3*PacketSize]), internal::ploadu(&b[i+3*PacketSize])));
-            internal::pstore(&a[i+4*PacketSize], internal::padd(internal::ploadu(&a[i+4*PacketSize]), internal::ploadu(&b[i+4*PacketSize])));
-            internal::pstore(&a[i+5*PacketSize], internal::padd(internal::ploadu(&a[i+5*PacketSize]), internal::ploadu(&b[i+5*PacketSize])));
-            internal::pstore(&a[i+6*PacketSize], internal::padd(internal::ploadu(&a[i+6*PacketSize]), internal::ploadu(&b[i+6*PacketSize])));
-            internal::pstore(&a[i+7*PacketSize], internal::padd(internal::ploadu(&a[i+7*PacketSize]), internal::ploadu(&b[i+7*PacketSize])));
-        }
-}
-- 
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