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main.c
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/*============================================================================
bandwidth, a benchmark to estimate memory transfer bandwidth.
Copyright (C) 2005-2024 by Zack T Smith.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The author may be reached at 1 at zsmith dot co.
*===========================================================================*/
#include <string.h>
#include <unistd.h>
#include <time.h>
#define GRAPH_WIDTH 1920
#define GRAPH_HEIGHT 1080
#include "defs.h"
#include "OOC/MutableImage.h"
#include "OOC/SimpleGraphing.h"
#include "OOC/Console.h"
#include "OOC/OperatingSystem.h"
#include "OOC/CPU.h"
#include "OOC/Hardware.h"
#include "OOC/colors.h"
#include "TestingX86.h"
#include "TestingARM.h"
#include "TestingRISCV.h"
#include "TestingLOONGARCH.h"
#define TITLE_MEMORY_GRAPH "Results from ''bandwidth'' " RELEASE " by Zack Smith, https://zsmith.co"
#if defined(__WIN32__) || defined(__WIN64__)
#include <w32api/windows.h> // Cygwin
#include <inttypes.h>
#endif
static enum {
OUTPUT_MODE_GRAPH=1,
OUTPUT_MODE_CSV=2,
} outputMode;
static FILE *csv_output_file = NULL;
static char *csv_file_path = NULL;
// Mode to be nice and to keep CPU temperature low, since Mac x86 laptops tend to overheat.
#if defined(__APPLE__) && !defined(__aarch64__)
static bool nice_mode = true;
#else
static bool nice_mode = false;
#endif
#define NICE_DURATION (2)
Console *console = NULL;
static SimpleGraphing *graph = NULL;
static bool do_invert_graph = false;
static bool do_rotate_graph = false;
unsigned long usec_per_test;
bool diagnostic_mode = false;
static size_t chunk_sizes[] = {
256,
512,
768,
1024,
1280,
2048,
3072,
4096,
6144,
8192, // Some processors' L1 data caches are only 8kB.
12288,
16384,
20480,
24576,
28672,
32768, // Common L1 data cache size.
34*1024,
36*1024,
40960,
49152,
65536,
72*1024,
80*1024,
96*1024,
131072, // Tiny L2 cache size from yesteryear.
192 * 1024,
256 * 1024, // Old L2 cache size.
320 * 1024,
384 * 1024,
480 * 1024,
512 * 1024, // Old L2 cache size.
768 * 1024,
ONE_MEGABYTE, // 1 MB = common L2 cache size.
(1024 + 256) * 1024, // 1.25
(1024 + 512) * 1024, // 1.5
(1024 + 768) * 1024, // 1.75
2 * ONE_MEGABYTE, // 2 MB = common L2 cache size.
(2048 + 256) * 1024, // 2.25
(2048 + 512) * 1024, // 2.5
(2048 + 768) * 1024, // 2.75
3 * ONE_MEGABYTE , // 3 MB = common L2 cache size.
3407872, // 3.25 MB
3 * ONE_MEGABYTE + 1024 * 512, // 3.5 MB
4 * ONE_MEGABYTE, // 4 MB
5 * ONE_MEGABYTE, // 5 megs (Core i7-11xxxH has 5 MB L2)
6 * ONE_MEGABYTE, // 6 megs (common L2 cache size)
7 * ONE_MEGABYTE,
8 * ONE_MEGABYTE, // Xeon E3's often has 8MB L3
9 * ONE_MEGABYTE,
10 * ONE_MEGABYTE, // Xeon E5-2609 has 10MB L3
11 * ONE_MEGABYTE,
12 * ONE_MEGABYTE, // Core i7-11xx[x] often have 12MB L3
13 * ONE_MEGABYTE,
14 * ONE_MEGABYTE,
15 * ONE_MEGABYTE, // Xeon E6-2630 has 15MB L3
16 * ONE_MEGABYTE,
20 * ONE_MEGABYTE, // Xeon E5-2690 has 20MB L3
21 * ONE_MEGABYTE,
32 * ONE_MEGABYTE,
48 * ONE_MEGABYTE,
64 * ONE_MEGABYTE,
72 * ONE_MEGABYTE,
96 * ONE_MEGABYTE,
128 * ONE_MEGABYTE,
160 * ONE_MEGABYTE,
192 * ONE_MEGABYTE,
224 * ONE_MEGABYTE,
256 * ONE_MEGABYTE,
320 * ONE_MEGABYTE,
384 * ONE_MEGABYTE,
480 * ONE_MEGABYTE,
512 * ONE_MEGABYTE,
640 * ONE_MEGABYTE,
800 * ONE_MEGABYTE,
1024 * ONE_MEGABYTE,
};
#define N_CHUNK_SIZES sizeof(chunk_sizes)/sizeof(unsigned long)
static double chunk_sizes_log2 [N_CHUNK_SIZES];
//============================================================================
// Output multiplexor.
//============================================================================
void dataBegins (MutableString *title, String *subtitle)
{
require(outputMode) else { error (__FUNCTION__, "Bad output mode."); }
require(title) else { error_null_parameter (__FUNCTION__); }
//==========
if (!title) {
title = _MutableString(TITLE_MEMORY_GRAPH);
subtitle = NULL;
}
else if (!subtitle) {
subtitle = _String(TITLE_MEMORY_GRAPH);
}
if (outputMode & OUTPUT_MODE_GRAPH) {
if (graph) {
error (__FUNCTION__, "Graphing already initialized.");
}
graph = SimpleGraphing_withSize (GRAPH_WIDTH, GRAPH_HEIGHT);
$(graph, setXAxisMode, MODE_X_AXIS_LOG2);
if (title) {
$(graph, setTitle, title);
}
if (subtitle) {
$(graph, setSubtitle, subtitle);
}
}
if (outputMode & OUTPUT_MODE_CSV) {
if (csv_output_file) {
error (__FUNCTION__, "CSV file already initialized.");
}
csv_output_file = fopen (csv_file_path, "wb");
if (!csv_output_file) {
error (__FUNCTION__, "Cannot open CSV output file.");
}
if (title) {
$(title, print, csv_output_file);
fputc (' ', csv_output_file);
}
}
}
void dataBeginSection (const char *name, uint32_t parameter)
{
require(outputMode) else { error (__FUNCTION__, "Bad output mode."); }
require(name) else { error_null_parameter (__FUNCTION__); }
//==========
if (nice_mode) {
sleep (NICE_DURATION);
}
if (outputMode & OUTPUT_MODE_GRAPH) {
if (!graph)
error (__FUNCTION__, "Graphing not initialized.");
$(graph, addLine, name, parameter);
}
if (outputMode & OUTPUT_MODE_CSV) {
if (!csv_output_file)
error (__FUNCTION__, "CSV output not initialized.");
fprintf (csv_output_file, "%s\n", name);
}
}
void dataEnds (const char *path)
{
require(outputMode) else { error (__FUNCTION__, "Bad output mode."); }
require(path) else { error_null_parameter (__FUNCTION__); }
//==========
if (outputMode & OUTPUT_MODE_GRAPH) {
if (!graph)
error (__FUNCTION__, "Graphing not initialized.");
$(graph, make);
MutableImage *image = $(graph, image);
if (do_invert_graph) {
$(image, invert);
}
if (do_rotate_graph) {
$(image, rotate, MutableImageRotationAngle180);
}
//if ($(image, writeTIFF, path)) {
if ($(image, writeBMP, path)) {
$(console, printf, "Wrote graph to %s\n", path);
} else {
$(console, printf, "Failed to write graph to %s\n", path);
}
}
if (outputMode & OUTPUT_MODE_CSV) {
if (!csv_output_file)
error (__FUNCTION__, "CSV output not initialized.");
fclose (csv_output_file);
$(console, puts, "Wrote CSV.");
}
}
void dataAddDatum (long x, long y)
{
require(outputMode) else { error (__FUNCTION__, "Bad output mode."); }
//==========
if (outputMode & OUTPUT_MODE_GRAPH) {
if (!graph)
error (__FUNCTION__, "Graphing not initialized.");
$(graph, addPoint, x, y);
}
if (outputMode & OUTPUT_MODE_CSV) {
if (!csv_output_file)
error (__FUNCTION__, "CSV output not initialized.");
fprintf (csv_output_file, "%lld, %.1Lf\n", (long long)x, (long double)y/10.);
fflush (csv_output_file);
}
}
//----------------------------------------------------------------------------
// Name: usage
//----------------------------------------------------------------------------
void
usage ()
{
puts ("Usage: bandwidth (options)");
puts ("Options include:");
puts (" --slow");
puts (" --fast");
puts (" --faster");
puts (" --fastest");
#ifdef x86
puts (" --nosse2");
puts (" --nosse4");
puts (" --noavx");
puts (" --noavx512");
#endif
puts (" --norandom");
puts (" --nowrite");
puts (" --nonontemporal");
puts (" --noregister");
puts (" --unlimited");
puts (" --reverse");
puts (" --invert");
puts (" --rotate");
puts (" --noviewer");
puts (" --title string");
puts (" --csv file");
puts (" --nice");
exit (-1);
}
//----------------------------------------------------------------------------
// Name: main
//----------------------------------------------------------------------------
int
main (int argc, char **argv)
{
if (!argc)
return -1;
struct {
bool perform_mainregister_nontemporal_tests;
bool perform_128bit_tests;
bool perform_128bit_nontemporal_tests;
bool perform_256bit_tests;
bool perform_256bit_nontemporal_tests;
bool perform_512bit_tests;
bool perform_512bit_nontemporal_tests;
bool perform_read_tests;
bool perform_write_tests;
bool perform_copy_tests;
bool perform_register_and_stack_tests;
bool perform_random_tests;
bool perform_direct_tests;
bool limit_at_128MB;
bool launch_viewer;
} options;
options.perform_mainregister_nontemporal_tests = true;
options.perform_128bit_tests = true;
options.perform_128bit_nontemporal_tests = true;
options.perform_256bit_tests = true;
options.perform_256bit_nontemporal_tests = true;
options.perform_512bit_tests = true;
options.perform_512bit_nontemporal_tests = true;
options.perform_read_tests = true;
options.perform_write_tests = true;
options.perform_copy_tests = true;
options.perform_register_and_stack_tests = true;
options.perform_random_tests = true;
options.perform_direct_tests = true;
options.limit_at_128MB = true;
options.launch_viewer = true;
console = new(Console);
CPU *cpu = new(CPU);
Hardware *hardware = new(Hardware);
OperatingSystem *os = new(OperatingSystem);
#if defined(x86)
TestingX86 *benchmarks = new(TestingX86);
#endif
#if defined(__arm__) || defined(__aarch64__)
TestingARM *benchmarks = new(TestingARM);
#endif
#if defined(RISCV64)
TestingRISCV *benchmarks = new(TestingRISCV);
#endif
#if defined(LOONGARCH64)
TestingLOONGARCH *benchmarks = new(TestingLOONGARCH);
#endif
usec_per_test = 5000000; // 5 seconds per test.
outputMode = OUTPUT_MODE_GRAPH;
--argc;
++argv;
MutableString *graphTitle = new(MutableString);
bool reverse_chunk_size_order = false;
int i = 0;
while (i < argc) {
char *s = argv [i++];
if (!strcmp ("--nice", s)) {
nice_mode = true;
}
else if (!strcmp ("--slow", s)) {
usec_per_test=20000000; // 20 seconds per test.
}
else if (!strcmp ("--unlimited", s)) {
if (sizeof(long) == 8) {
options.limit_at_128MB = false;
}
}
else if (!strcmp ("--fast", s)) {
usec_per_test = 1000000; // 1 second per test.
}
else if (!strcmp ("--faster", s)) {
usec_per_test = 500000; // 0.5 seconds per test.
}
else if (!strcmp ("--fastest", s)) {
usec_per_test = 50000; // 0.05 seconds per test.
}
else if (!strcmp ("--noviewer", s)) {
options.launch_viewer = false;
}
else if (!strcmp ("--noread", s)) {
options.perform_read_tests = false;
}
else if (!strcmp ("--nowrite", s)) {
options.perform_write_tests = false;
}
else if (!strcmp ("--norandom", s)) {
options.perform_random_tests = false;
}
else if (!strcmp ("--nocopy", s)) {
options.perform_copy_tests = false;
}
else if (!strcmp ("--nonontemporal", s)) {
options.perform_mainregister_nontemporal_tests = false;
options.perform_128bit_nontemporal_tests = false;
options.perform_256bit_nontemporal_tests = false;
options.perform_512bit_nontemporal_tests = false;
}
#ifdef x86
else if (!strcmp ("--nosse2", s)) {
options.perform_128bit_tests = false;
options.perform_128bit_nontemporal_tests = false;
options.perform_256bit_tests = false;
options.perform_512bit_tests = false;
}
else if (!strcmp ("--nosse4", s)) {
options.perform_128bit_nontemporal_tests = false;
options.perform_256bit_tests = false;
options.perform_512bit_tests = false;
}
else if (!strcmp ("--noavx", s)) {
options.perform_256bit_tests = false;
options.perform_512bit_tests = false;
}
else if (!strcmp ("--noavx512", s)) {
options.perform_512bit_tests = false;
}
#endif
else if (!strcmp ("--noregister", s)) {
options.perform_register_and_stack_tests = false;
}
else if (!strcmp ("--invert", s)) {
do_invert_graph = true;
}
else if (!strcmp ("--rotate", s)) {
do_rotate_graph = true;
}
else if (!strcmp ("--diagnostic", s)) {
diagnostic_mode = true;
}
else if (!strcmp ("--reverse", s)) {
reverse_chunk_size_order = true;
}
else if (!strcmp ("--help", s)) {
usage ();
}
else
if (!strcmp ("--nograph", s)) {
outputMode &= ~OUTPUT_MODE_GRAPH;
}
else
if (!strcmp ("--csv", s) && i != argc) {
outputMode |= OUTPUT_MODE_CSV;
if (i < argc)
csv_file_path = argv[i++];
else
usage ();
}
else
if (!strcmp ("--title", s) && i != argc) {
$(graphTitle, appendFormat, "%s", argv[i++]);
}
else {
if ('-' == *s)
usage ();
}
}
size_t chunk_limit = 1;
if (options.limit_at_128MB) {
chunk_limit <<= 27;
} else {
chunk_limit <<= 30;
}
if (reverse_chunk_size_order) {
int last = 0;
while (last < N_CHUNK_SIZES && chunk_sizes[last] != chunk_limit) {
last++;
}
for (int i = 0; i < last/2; i++) {
unsigned long tmp = chunk_sizes[i];
chunk_sizes[i] = chunk_sizes[last-i];
chunk_sizes[last-i] = tmp;
}
}
for (i = 0; chunk_sizes[i] && i < N_CHUNK_SIZES; i++) {
chunk_sizes_log2[i] = log2 (chunk_sizes[i]);
}
$(console, puts, "This is bandwidth version " RELEASE);
$(console, puts, "Copyright (C) 2005-2024 by Zack T Smith.");
$(console, newline);
$(console, puts, "This software is covered by the GNU Public License.");
$(console, puts, "It is provided AS-IS, use at your own risk.");
$(console, puts, "See the file COPYING for more information.");
$(console, newline);
$(console, flush);
if (!$(cpu, has128bitVectors)) {
options.perform_128bit_tests = false;
options.perform_128bit_nontemporal_tests = false;
}
if (!$(cpu, has256bitVectors)) {
options.perform_256bit_tests = false;
}
if (!$(cpu, has512bitVectors)) {
options.perform_512bit_tests = false;
}
MutableArray *features = $(cpu, features);
#if defined(__x86_64__) || defined(__i386__)
String *sse4String = _String("sse41");
if ($(features, contains, sse4String)) {
benchmarks->use_sse4 = true;
}
release(sse4String);
if (options.perform_direct_tests) {
String *string;
#ifdef IS_64BIT
string = _String("movdir64b");
#else
string = _String("movdiri");
#endif
if ($(features, contains, string)) {
benchmarks->use_direct_transfers = true;
}
release(string);
}
benchmarks->use_sse2 = options.perform_128bit_tests;
benchmarks->use_avx = options.perform_256bit_tests;
benchmarks->use_avx512 = options.perform_512bit_tests;
#endif
//------------------------------------------------------------
// Attempt to obtain information about the system.
//
String *string = $(hardware, systemMake);
if (string) {
$(console, printf, "Computer make: ");
$(console, printObject, string);
$(console, newline);
$(graphTitle, appendString, string);
$(graphTitle, appendCharacter, ' ');
release (string);
}
string = $(hardware, systemModel);
if (string) {
$(console, printf, "Computer model: ");
$(console, printObject, string);
$(console, newline);
$(graphTitle, appendString, string);
$(graphTitle, appendCharacter, ' ');
release (string);
}
string = $(cpu, family);
if (string) {
$(console, printf, "CPU family: ");
$(console, printObject, string);
$(console, newline);
release (string);
}
String *cpuMake = $(cpu, make);
String *cpuModel = $(cpu, model);
bool dont_append_make = cpuModel != NULL && $(cpuModel, hasPrefix, cpuMake);
if (!dont_append_make) {
if (cpuMake) {
$(console, printf, "CPU make: ");
$(console, printObject, cpuMake);
$(console, newline);
$(graphTitle, appendString, cpuMake);
$(graphTitle, appendCharacter, ' ');
}
}
release (cpuMake);
if (cpuModel) {
if ($(string, containsCString, "(R)")) {
// TODO Remove the (R)
}
$(console, printf, "CPU model: ");
$(console, printObject, cpuModel);
$(console, newline);
$(graphTitle, appendString, cpuModel);
$(graphTitle, appendCharacter, ' ');
release (cpuModel);
}
unsigned regSize = $(cpu, registerSize);
$(console, printf, "CPU register size: %u\n", regSize);
$(console, printf, "CPU vector sizes: ");
bool hasVectors = false;
if ($(cpu, has128bitVectors)) {
$(console, printf, "128 ");
hasVectors = true;
}
if ($(cpu, has256bitVectors)) {
$(console, printf, "256 ");
hasVectors = true;
}
if ($(cpu, has512bitVectors)) {
$(console, printf, "512 ");
hasVectors = true;
}
if (!hasVectors) {
$(console, printf, "(none)");
}
$(console, newline);
string = $(cpu, instructionSet);
$(console, printf, "CPU instruction set: ");
$(console, printObject, string);
$(console, newline);
$(graphTitle, appendString, string);
$(graphTitle, appendCharacter, ' ');
release (string);
if ($(features, count)) {
$(console, printf, "CPU features: ");
$(features, print, NULL);
$(console, newline);
}
bool printed_core_info = false;
unsigned ncores = $(cpu, nCores);
#ifndef __APPLE__
for (unsigned core = 0; core < ncores; core++) {
#else
unsigned core = 0; {
#endif
unsigned L1i = $(cpu, levelNCacheSize, core, 1, false);
unsigned L1d = $(cpu, levelNCacheSize, core, 1, true);
unsigned L2 = $(cpu, levelNCacheSize, core, 2, false);
unsigned L3 = $(cpu, levelNCacheSize, core, 3, false);
float maxSpeed = $(cpu, maximumSpeed, core);
float minSpeed = $(cpu, minimumSpeed, core);
bool have_cache_info = L1i > 0 || L1d > 0 || L2 > 0 || L3 > 0;
bool have_speed_info = maxSpeed > 0.f;
bool have_any_core_info = have_cache_info || have_speed_info;
if (have_any_core_info) {
printed_core_info = true;
#ifndef __APPLE__
$(console, printf, "CPU core %u: ", core);
#else
$(console, printf, "CPU current core: ");
#endif
if (have_speed_info) {
$(console, printf, "max %.2g GHz", maxSpeed);
if (minSpeed) {
$(console, printf, ", min %.2g GHz", minSpeed);
}
if (have_cache_info) {
$(console, printf, "; ");
}
}
if (have_cache_info) {
$(console, printf, "caches: L1 instruction %ukB, L1 data %ukB", L1i, L1d);
if (L2 > 0) {
if (L2 >= 1024 && ((L2 & 1023)==0)) {
$(console, printf, ", L2 %uMB", L2 >> 10);
}
else if (L2 >= 1024) {
$(console, printf, ", L2 %f.02MB", (float)L2/1024.f);
} else {
$(console, printf, ", L2 %ukB", L2);
}
}
if (L3 > 0) {
if (L3 >= 1024 && ((L3 & 1023)==0)) {
$(console, printf, ", L3 %uMB", L3 >> 10);
}
else if (L3 >= 1024) {
$(console, printf, ", L3 %.02fMB", (float)L3/1024.f);
} else {
$(console, printf, ", L3 %ukB", L3);
}
}
}
$(console, newline);
}
}
if (!printed_core_info) {
$(console, printf, "CPU cores: %u\n", ncores);
}
size_t pagesize = $(os, memoryPageSize);
$(console, printf, "Memory page size: %lu bytes\n", pagesize);
unsigned long totalRAM = $(hardware, totalRAM);
if (totalRAM > 0) {
$(console, printf, "Memory available: %lu MB\n", totalRAM);
}
string = $(os, kernelName);
if (string) {
$(console, printf, "Kernel name: ");
$(console, printObject, string);
$(console, newline);
$(graphTitle, appendString, string);
$(graphTitle, appendCharacter, ' ');
release (string);
}
string = $(os, kernelRelease);
if (string) {
$(console, printf, "Kernel release: ");
$(console, printObject, string);
$(console, newline);
$(graphTitle, appendString, string);
//$(graphTitle, appendCharacter, ' ');
release (string);
}
// Print physical core temperatures.
for (int core = 0; core < ncores; core++) {
float temp = $(cpu, temperature, core);
if (temp > 0.f) {
$(console, printf, "Physical core %d temperature: %.2fC\n", core, temp);
}
}
// Print thermal zone temperatures.
#define MAX_THERMAL_ZONES 128
for (int zone = 0; zone < MAX_THERMAL_ZONES; zone++) {
float temp = $(hardware, temperature, zone);
if (temp > 0.f) {
$(console, printf, "Thermal zone %d temperature: %.2fC\n", zone, temp);
} else {
break;
}
}
String *subtitle = _String(TITLE_MEMORY_GRAPH);
dataBegins (graphTitle, subtitle);
$(console, newline);
$(console, printf, "Graph title: ");
$(console, printObject, graphTitle);
$(console, newline);
$(console, newline);
$(console, puts, "Notation: B = byte, kB = 1024 B, MB = 1048576 B.");
$(console, flush);
unsigned long chunk_size;
if (diagnostic_mode) {
chunk_limit = 1777;
}
//------------------------------------------------------------
// Sequential non-vector register reads.
//
bool supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_MAIN_REGISTER, false);
if (supported && options.perform_read_tests) {
$(console, newline);
#ifdef IS_64BIT
dataBeginSection ("Sequential 64-bit reads", RGB_BLUE);
#else
dataBeginSection ("Sequential 32-bit reads", RGB_BLUE);
#endif
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_MAIN_REGISTER, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 128-bit sequential reads using Intel SSE2 or ARM NEON.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_128, false);
if (supported && options.perform_read_tests && options.perform_128bit_tests) {
dataBeginSection ("Sequential 128-bit reads", RGB_LIGHTBLUE);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_128, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 256-bit sequential reads using AVX.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_256, false);
if (supported && options.perform_read_tests && options.perform_256bit_tests) {
dataBeginSection ("Sequential 256-bit reads", RGB_NAVYBLUE);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_256, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 512-bit sequential reads using AVX512.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_512, false);
if (supported && options.perform_read_tests && options.perform_512bit_tests) {
if ($(cpu, has512bitVectors)) {
dataBeginSection ("Sequential 512-bit reads (dashed)", RGB_NAVYBLUE | DASHED);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_512, false);
dataAddDatum (chunk_size, amount);
}
}
}
//------------------------------------------------------------
// 32/64-bit sequential nontemporal reads.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_MAIN_REGISTER_NONTEMPORAL, false);
if (supported && options.perform_read_tests && options.perform_mainregister_nontemporal_tests) {
#ifdef IS_64BIT
dataBeginSection ("Sequential 64-bit nontemporal reads", RGB_STEELBLUE);
#else
dataBeginSection ("Sequential 32-bit nontemporal reads", RGB_STEELBLUE);
#endif
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_MAIN_REGISTER_NONTEMPORAL, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 128-bit nontemporal sequential reads using SSE4.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_128_NONTEMPORAL, false);
if (supported && options.perform_read_tests && options.perform_128bit_nontemporal_tests) {
dataBeginSection ("Sequential 128-bit nontemporal reads", RGB_LIGHTTEAL);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_128_NONTEMPORAL, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 256-bit nontemporal sequential reads using AVX512.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_256_NONTEMPORAL, false);
if (supported && options.perform_read_tests && options.perform_256bit_nontemporal_tests) {
dataBeginSection ("Sequential 256-bit nontemporal reads", RGB_DARKCYAN);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_256_NONTEMPORAL, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 512-bit nontemporal sequential reads using AVX512.
//
supported = TEST_SUPPORTED == $(benchmarks, read, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_512_NONTEMPORAL, false);
if (supported && options.perform_read_tests && options.perform_512bit_nontemporal_tests) {
dataBeginSection ("Sequential 512-bit nontemporal reads (dashed)", RGB_DARKCYAN | DASHED);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, read, chunk_size, SIZE_VECTOR_512_NONTEMPORAL, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// Sequential non-vector register writes.
//
supported = TEST_SUPPORTED == $(benchmarks, write, CHECK_WHETHER_SUPPORTED, SIZE_MAIN_REGISTER, false);
if (supported && options.perform_write_tests) {
#ifdef IS_64BIT
dataBeginSection ("Sequential 64-bit writes", RGB_MEDIUMGREEN);
#else
dataBeginSection ("Sequential 32-bit writes", RGB_MEDIUMGREEN);
#endif
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, write, chunk_size, SIZE_MAIN_REGISTER, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 128-bit sequential writes using SSE2 or NEON 128.
//
supported = TEST_SUPPORTED == $(benchmarks, write, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_128, false);
if (supported && options.perform_write_tests && options.perform_128bit_tests) {
dataBeginSection ("Sequential 128-bit writes", RGB_LIGHTGREEN);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, write, chunk_size, SIZE_VECTOR_128, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 256-bit sequential writes using AVX.
//
supported = TEST_SUPPORTED == $(benchmarks, write, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_256, false);
if (supported && options.perform_write_tests && options.perform_256bit_tests) {
dataBeginSection ("Sequential 256-bit writes", RGB_DARKGREEN);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, write, chunk_size, SIZE_VECTOR_256, false);
dataAddDatum (chunk_size, amount);
}
}
//------------------------------------------------------------
// 512-bit sequential writes using AVX512.
//
supported = TEST_SUPPORTED == $(benchmarks, write, CHECK_WHETHER_SUPPORTED, SIZE_VECTOR_512, false);
if (supported && options.perform_write_tests && options.perform_512bit_tests) {
if ($(cpu, has512bitVectors)) {
dataBeginSection ("Sequential 512-bit writes (dashed)", RGB_DARKGREEN | DASHED);
$(console, newline);
i = 0;
while ((chunk_size = chunk_sizes [i++]) && chunk_size <= chunk_limit) {
long amount = $(benchmarks, write, chunk_size, SIZE_VECTOR_512, false);
dataAddDatum (chunk_size, amount);
}
}
}
//------------------------------------------------------------