Add perfbench to examples: a few small microbenchmarks.
This commit is contained in:
Matt Pharr
@@ -39,9 +39,6 @@ example implementation of this function that counts the number of times the
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callback is made and records some statistics about control flow coherence
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is provided in the instrument.cpp file.
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*** Note: on Linux, this example currently hits an assertion in LLVM during
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*** compilation
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Deferred
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========
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@@ -110,6 +107,13 @@ This program implements both the Black-Scholes and Binomial options pricing
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models in both ispc and regular serial C++ code.
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Perfbench
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=========
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This runs a number of microbenchmarks to measure system performance and
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code generation quality.
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RT
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==
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7
examples/perfbench/Makefile
Normal file
7
examples/perfbench/Makefile
Normal file
@@ -0,0 +1,7 @@
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EXAMPLE=perbench
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CPP_SRC=perfbench.cpp perfbench_serial.cpp
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ISPC_SRC=perfbench.ispc
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ISPC_TARGETS=sse2,sse4,avx
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include ../common.mk
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108
examples/perfbench/perfbench.cpp
Normal file
108
examples/perfbench/perfbench.cpp
Normal file
@@ -0,0 +1,108 @@
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/*
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Copyright (c) 2012, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
* Neither the name of Intel Corporation nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
||||
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
||||
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
||||
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef _MSC_VER
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#define _CRT_SECURE_NO_WARNINGS
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#define NOMINMAX
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#pragma warning (disable: 4244)
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#pragma warning (disable: 4305)
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#endif
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#include <stdio.h>
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#include <algorithm>
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#include "../timing.h"
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#include "perfbench_ispc.h"
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typedef void (FuncType)(float *, int, float *, float *);
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struct PerfTest {
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FuncType *aFunc;
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const char *aName;
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FuncType *bFunc;
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const char *bName;
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const char *testName;
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};
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extern void xyzSumAOS(float *a, int count, float *zeros, float *result);
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extern void xyzSumSOA(float *a, int count, float *zeros, float *result);
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static void
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lInitData(float *ptr, int count) {
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for (int i = 0; i < count; ++i)
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ptr[i] = float(i) / (1024.f * 1024.f);
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}
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static PerfTest tests[] = {
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{ xyzSumAOS, "serial", ispc::xyzSumAOS, "ispc", "AOS vector element sum (with coalescing)" },
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{ xyzSumAOS, "serial", ispc::xyzSumAOSStdlib, "ispc", "AOS vector element sum (stdlib swizzle)" },
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{ xyzSumAOS, "serial", ispc::xyzSumAOSNoCoalesce, "ispc", "AOS vector element sum (no coalescing)" },
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{ xyzSumSOA, "serial", ispc::xyzSumSOA, "ispc", "SOA vector element sum" },
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{ ispc::gathers, "gather", ispc::loads, "vector load", "Memory reads" },
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{ ispc::scatters, "scatter", ispc::stores, "vector store", "Memory writes" },
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};
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int main() {
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int count = 3*64*1024;
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float *a = new float[count];
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float zeros[32] = { 0 };
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int nTests = sizeof(tests) / sizeof(tests[0]);
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for (int i = 0; i < nTests; ++i) {
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lInitData(a, count);
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reset_and_start_timer();
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float resultA[3] = { 0, 0, 0 };
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for (int j = 0; j < 100; ++j)
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tests[i].aFunc(a, count, zeros, resultA);
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double aTime = get_elapsed_mcycles();
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lInitData(a, count);
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reset_and_start_timer();
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float resultB[3] = { 0, 0, 0 };
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for (int j = 0; j < 100; ++j)
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tests[i].bFunc(a, count, zeros, resultB);
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double bTime = get_elapsed_mcycles();
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printf("%-40s: [%.2f] M cycles %s, [%.2f] M cycles %s (%.2fx speedup).\n",
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tests[i].testName, aTime, tests[i].aName, bTime, tests[i].bName,
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aTime/bTime);
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#if 0
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printf("\t(%f %f %f) - (%f %f %f)\n", resultSerial[0], resultSerial[1],
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resultSerial[2], resultISPC[0], resultISPC[1], resultISPC[2]);
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#endif
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}
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return 0;
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}
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170
examples/perfbench/perfbench.ispc
Normal file
170
examples/perfbench/perfbench.ispc
Normal file
@@ -0,0 +1,170 @@
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/*
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Copyright (c) 2012, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
|
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modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
* Neither the name of Intel Corporation nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
||||
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
||||
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
||||
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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export void xyzSumAOS(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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float xsum = 0, ysum = 0, zsum = 0;
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foreach (i = 0 ... count/3) {
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float x = array[3*i];
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float y = array[3*i+1];
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float z = array[3*i+2];
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xsum += x;
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ysum += y;
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zsum += z;
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}
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result[0] = reduce_add(xsum);
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result[1] = reduce_add(ysum);
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result[2] = reduce_add(zsum);
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}
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export void xyzSumAOSStdlib(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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float xsum = 0, ysum = 0, zsum = 0;
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for (uniform int i = 0; i < 64*1024 /*count/3*/; i += programCount) {
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float x, y, z;
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aos_to_soa3(&array[3*i], &x, &y, &z);
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xsum += x;
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ysum += y;
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zsum += z;
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}
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result[0] = reduce_add(xsum);
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result[1] = reduce_add(ysum);
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result[2] = reduce_add(zsum);
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}
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export void xyzSumAOSNoCoalesce(uniform float array[], uniform int count,
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uniform float zerosArray[], uniform float result[]) {
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int zeros = zerosArray[programIndex];
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float xsum = 0, ysum = 0, zsum = 0;
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foreach (i = 0 ... count/3) {
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float x = array[3*i+zeros];
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float y = array[3*i+1+zeros];
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float z = array[3*i+2+zeros];
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xsum += x;
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ysum += y;
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zsum += z;
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}
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result[0] = reduce_add(xsum);
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result[1] = reduce_add(ysum);
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result[2] = reduce_add(zsum);
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}
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export void xyzSumSOA(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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float xsum = 0, ysum = 0, zsum = 0;
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uniform float * uniform ap = array;
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assert(programCount <= 8);
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for (uniform int i = 0; i < count/3; i += 8, ap += 24) {
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for (uniform int j = 0; j < 8; j += programCount) {
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float x = ap[j + programIndex];
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float y = ap[8 + j + programIndex];
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float z = ap[16 + j + programIndex];
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xsum += x;
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ysum += y;
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zsum += z;
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}
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}
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result[0] = reduce_add(xsum);
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result[1] = reduce_add(ysum);
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result[2] = reduce_add(zsum);
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}
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export void gathers(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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float sum = 0;
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int zero = zeros[programIndex];
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foreach (i = 0 ... count)
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sum += array[i + zero];
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result[0] = reduce_add(sum);
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}
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export void loads(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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float sum = 0;
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foreach (i = 0 ... count)
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sum += array[i];
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result[0] = reduce_add(sum);
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}
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export void scatters(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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int zero = zeros[programIndex];
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foreach (i = 0 ... count)
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array[i + zero] = zero;
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}
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export void stores(uniform float array[], uniform int count,
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uniform float zeros[], uniform float result[]) {
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int zero = zeros[programIndex];
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foreach (i = 0 ... count)
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array[i] = zero;
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}
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export void normalizeAOSNoCoalesce(uniform float array[], uniform int count,
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uniform float zeroArray[]) {
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float zeros = zeroArray[programIndex];
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foreach (i = 0 ... count/3) {
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float x = array[3*i+zeros];
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float y = array[3*i+1+zeros];
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float z = array[3*i+2+zeros];
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float l2 = x*x + y*y + z*z;
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array[3*i] /= l2;
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array[3*i+1] /= l2;
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array[3*i+2] /= l2;
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||||
}
|
||||
}
|
||||
|
||||
export void normalizeSOA(uniform float array[], uniform int count,
|
||||
uniform float zeros[]) {
|
||||
foreach (i = 0 ... count/3) {
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||||
float x = array[3*i];
|
||||
float y = array[3*i+1];
|
||||
float z = array[3*i+2];
|
||||
|
||||
float l2 = x*x + y*y + z*z;
|
||||
|
||||
array[3*i] /= l2;
|
||||
array[3*i+1] /= l2;
|
||||
array[3*i+2] /= l2;
|
||||
}
|
||||
}
|
||||
175
examples/perfbench/perfbench.vcxproj
Normal file
175
examples/perfbench/perfbench.vcxproj
Normal file
@@ -0,0 +1,175 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|Win32">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|Win32">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{d923bb7e-a7c8-4850-8fcf-0eb9ce35b4e8}</ProjectGuid>
|
||||
<Keyword>Win32Proj</Keyword>
|
||||
<RootNamespace>perfbench</RootNamespace>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
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<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
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<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
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||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
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</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
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<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
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<LinkIncremental>true</LinkIncremental>
|
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<ExecutablePath>$(ProjectDir)..\..;$(ExecutablePath)</ExecutablePath>
|
||||
</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
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<LinkIncremental>true</LinkIncremental>
|
||||
<ExecutablePath>$(ProjectDir)..\..;$(ExecutablePath)</ExecutablePath>
|
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</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
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<LinkIncremental>false</LinkIncremental>
|
||||
<ExecutablePath>$(ProjectDir)..\..;$(ExecutablePath)</ExecutablePath>
|
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</PropertyGroup>
|
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
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<LinkIncremental>false</LinkIncremental>
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<ExecutablePath>$(ProjectDir)..\..;$(ExecutablePath)</ExecutablePath>
|
||||
</PropertyGroup>
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||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<ClCompile>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<AdditionalIncludeDirectories>$(TargetDir)</AdditionalIncludeDirectories>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<FloatingPointModel>Fast</FloatingPointModel>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<ClCompile>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<AdditionalIncludeDirectories>$(TargetDir)</AdditionalIncludeDirectories>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<FloatingPointModel>Fast</FloatingPointModel>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<AdditionalIncludeDirectories>$(TargetDir)</AdditionalIncludeDirectories>
|
||||
<FloatingPointModel>Fast</FloatingPointModel>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<AdditionalIncludeDirectories>$(TargetDir)</AdditionalIncludeDirectories>
|
||||
<FloatingPointModel>Fast</FloatingPointModel>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="perfbench.cpp" />
|
||||
<ClCompile Include="perfbench_serial.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<CustomBuild Include="perfbench.ispc">
|
||||
<FileType>Document</FileType>
|
||||
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">ispc -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --arch=x86 --target=sse2,sse4,avx
|
||||
</Command>
|
||||
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">ispc -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4,avx
|
||||
</Command>
|
||||
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
|
||||
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
|
||||
<Command Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">ispc -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --arch=x86 --target=sse2,sse4,avx
|
||||
</Command>
|
||||
<Command Condition="'$(Configuration)|$(Platform)'=='Release|x64'">ispc -O2 %(Filename).ispc -o $(TargetDir)%(Filename).obj -h $(TargetDir)%(Filename)_ispc.h --target=sse2,sse4,avx
|
||||
</Command>
|
||||
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
|
||||
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(TargetDir)%(Filename).obj;$(TargetDir)%(Filename)_sse2.obj;$(TargetDir)%(Filename)_sse4.obj;$(TargetDir)%(Filename)_avx.obj;$(TargetDir)%(Filename)_ispc.h</Outputs>
|
||||
</CustomBuild>
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
61
examples/perfbench/perfbench_serial.cpp
Normal file
61
examples/perfbench/perfbench_serial.cpp
Normal file
@@ -0,0 +1,61 @@
|
||||
/*
|
||||
Copyright (c) 2012, Intel Corporation
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
* Neither the name of Intel Corporation nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
||||
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
||||
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
||||
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
|
||||
void
|
||||
xyzSumAOS(float *a, int count, float *zeros, float *result) {
|
||||
float xsum = 0, ysum = 0, zsum = 0;
|
||||
for (int i = 0; i < count; i += 3) {
|
||||
xsum += a[i];
|
||||
ysum += a[i+1];
|
||||
zsum += a[i+2];
|
||||
}
|
||||
result[0] = xsum;
|
||||
result[1] = ysum;
|
||||
result[2] = zsum;
|
||||
}
|
||||
|
||||
void
|
||||
xyzSumSOA(float *a, int count, float *zeros, float *result) {
|
||||
float xsum = 0, ysum = 0, zsum = 0;
|
||||
for (int i = 0; i < count/3; ++i) {
|
||||
float *p = a + (i >> 3) * 24 + (i & 7);
|
||||
xsum += p[0];
|
||||
ysum += p[8];
|
||||
zsum += p[16];
|
||||
}
|
||||
result[0] = xsum;
|
||||
result[1] = ysum;
|
||||
result[2] = zsum;
|
||||
}
|
||||
Reference in New Issue
Block a user