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/*
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2024 Gothel Software e.K.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <thread>
#include <cinttypes>
#include <cstring>
#include <jau/test/catch2_ext.hpp>
#include <jau/math/mat4f.hpp>
using namespace jau;
using namespace jau::math;
static const float m1_0[] = { 1, 3, 4, 0,
6, 7, 8, 5,
98, 7, 6, 9,
54, 3, 2, 5 };
static const Mat4f m1(m1_0);
static const float m2_0[] = { 1, 6, 98, 54,
3, 7, 7, 3,
4, 8, 6, 2,
0, 5, 9, 5 };
static const Mat4f m2(m2_0);
TEST_CASE( "Test 05 Perf01", "[mat4f][linear_algebra][math]" ) {
Mat4f res_m;
const size_t warmups = is_debug_enabled() ? 100_u64 : 1000_u64;
const size_t loops = is_debug_enabled() ? 1_u64*1000000_u64 : 300_u64*1000000_u64;
jau::fraction_i64 tI4a = fractions_i64::zero;
jau::fraction_i64 tI4b = fractions_i64::zero;
const uint64_t tI5Max = 1000; // 1s
size_t loops5a = 0;
jau::fraction_i64 tI5a = fractions_i64::zero;
size_t loops5b = 0;
jau::fraction_i64 tI5b = fractions_i64::zero;
// avoid optimizing out unused computation results by simply adding up determinat
double dr = 1;
//
// Mat4f
//
// warm-up
for(size_t i=0; i<warmups; i++) {
res_m = m1 * m2;
dr += res_m.determinant();
res_m = m2 * m1;
dr += res_m.determinant();
}
jau::fraction_timespec t_0 = jau::getMonotonicTime();
for(size_t i=0; i<loops; i++) {
res_m = m1 * m2;
dr += res_m.determinant();
res_m = m2 * m1;
dr += res_m.determinant();
}
tI4a = (getMonotonicTime() - t_0).to_fraction_i64();
REQUIRE( dr > 0 );
// warm-up
for(size_t i=0; i<warmups; i++) {
res_m.load(m1);
res_m.mul(m2);
dr += res_m.determinant();
res_m.load(m2);
res_m.mul(m1);
dr += res_m.determinant();
}
t_0 = jau::getMonotonicTime();
for(size_t i=0; i<loops; i++) {
res_m.load(m1);
res_m.mul(m2);
dr += res_m.determinant();
res_m.load(m2);
res_m.mul(m1);
dr += res_m.determinant();
}
tI4b = (getMonotonicTime() - t_0).to_fraction_i64();
REQUIRE( dr > 0 );
if( catch_perf_analysis ) {
tI5a = fractions_i64::zero;
t_0 = jau::getMonotonicTime();
uint64_t t_5 = jau::getCurrentMilliseconds();
uint64_t td_5=0;
while( td_5 < tI5Max ) {
res_m = m1 * m2;
dr += res_m.determinant();
res_m = m2 * m1;
dr += res_m.determinant();
++loops5a;
// if( 0 == loops5a % 1000000 ) {
td_5 = jau::getCurrentMilliseconds() - t_5;
// }
}
tI5a = (getMonotonicTime() - t_0).to_fraction_i64();
REQUIRE( dr > 0 );
tI5b = fractions_i64::zero;
t_0 = jau::getMonotonicTime();
t_5 = jau::getCurrentMilliseconds();
td_5=0;
while( td_5 < tI5Max ) {
res_m.load(m1);
res_m.mul(m2);
dr += res_m.determinant();
res_m.load(m2);
res_m.mul(m1);
dr += res_m.determinant();
++loops5b;
// if( 0 == loops5b % 1000000 ) {
td_5 = jau::getCurrentMilliseconds() - t_5;
// }
}
tI5b = (getMonotonicTime() - t_0).to_fraction_i64();
REQUIRE( dr > 0 );
}
printf("Checkmark %f\n", dr);
printf("Summary loops %6zu: I4a %6s ms total (%s us), %f ns/mul, I4a / I4b %f%%\n", loops,
jau::to_decstring(tI4a.to_ms()).c_str(), jau::to_decstring(tI4a.to_us()).c_str(),
(double)tI4a.to_ns()/2.0/(double)loops, tI4a.to_double()/tI4b.to_double()*100.0);
printf("Summary loops %6zu: I4b %6s ms total (%s us), %f ns/mul, I4b / I4a %f%%\n", loops,
jau::to_decstring(tI4b.to_ms()).c_str(), jau::to_decstring(tI4b.to_us()).c_str(),
(double)tI4b.to_ns()/2.0/(double)loops, tI4b.to_double()/tI4a.to_double()*100.0);
if( catch_perf_analysis ) {
printf("Summary loops %6zu: I5a %6s ms total, %f ns/mul, I5a / I5b %f%%\n", loops5a,
jau::to_decstring(tI5a.to_ms()).c_str(),
(double)tI5a.to_ns()/2.0/(double)loops5a, tI5a.to_double()/tI5b.to_double()*100.0);
printf("Summary loops %6zu: I5b %6s ms total, %f ns/mul, I5b / I5a %f%%\n", loops5b,
jau::to_decstring(tI5b.to_ms()).c_str(),
(double)tI5b.to_ns()/2.0/(double)loops5b, tI5b.to_double()/tI5a.to_double()*100.0);
}
}
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