mirror/glm
1
0
Fork 0
mirror of https://github.com/g-truc/glm.git synced 2024-11-26 18:24:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Updated test

Browse Source
This commit is contained in:
Christophe Riccio 2014-10-25 21:57:06 +02:00
parent 0c522117c8
commit 1b6b8183a0
1 changed files with 25 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
test/core/core_func_integer.cpp
View File

@ -530,12 +530,12 @@ namespace bitCount
{0x00000001, 1}, {0x00000001, 1},
{0x00000003, 2}, {0x00000003, 2},
{0x00000002, 1}, {0x00000002, 1},
{0xffffffff, 32}, {0x7fffffff, 31},
{0x00000000, 0} {0x00000000, 0}
}; };
template <typename T> template <typename T>
int bitCount_if(T v) inline int bitCount_if(T v)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitCount' only accept integer values"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitCount' only accept integer values");
@ -549,7 +549,7 @@ namespace bitCount
} }
template <typename T> template <typename T>
int bitCount_vec(T v) inline int bitCount_vec(T v)
{ {
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitCount' only accept integer values"); GLM_STATIC_ASSERT(std::numeric_limits<T>::is_integer, "'bitCount' only accept integer values");
@ -566,46 +566,56 @@ namespace bitCount
int Error(0); int Error(0);
std::size_t Size = 10000000; std::size_t Size = 10000000;
std::clock_t TimestampsA = std::clock();
{
std::vector<int> v; std::vector<int> v;
v.resize(Size); v.resize(Size);
std::vector<glm::ivec4> w;
w.resize(Size);
std::clock_t TimestampsA = std::clock();
// bitCount - TimeIf
{
for(std::size_t i = 0, n = v.size(); i < n; ++i) for(std::size_t i = 0, n = v.size(); i < n; ++i)
v[i] = bitCount_if(i); v[i] = bitCount_if(i);
} }
std::clock_t TimestampsB = std::clock(); std::clock_t TimestampsB = std::clock();
// bitCount - TimeVec
{ {
std::vector<int> v;
v.resize(Size);
for(std::size_t i = 0, n = v.size(); i < n; ++i) for(std::size_t i = 0, n = v.size(); i < n; ++i)
v[i] = bitCount_vec(i); v[i] = bitCount_vec(i);
} }
std::clock_t TimestampsC = std::clock(); std::clock_t TimestampsC = std::clock();
// bitCount - TimeDefault
{ {
std::vector<int> v;
v.resize(Size);
for(std::size_t i = 0, n = v.size(); i < n; ++i) for(std::size_t i = 0, n = v.size(); i < n; ++i)
v[i] = glm::bitCount(i); v[i] = glm::bitCount(i);
} }
std::clock_t TimestampsD = std::clock(); std::clock_t TimestampsD = std::clock();
// bitCount - TimeVec4
{
for(std::size_t i = 0, n = v.size(); i < n; ++i)
w[i] = glm::bitCount(glm::ivec4(i));
}
std::clock_t TimestampsE = std::clock();
std::clock_t TimeIf = TimestampsB - TimestampsA; std::clock_t TimeIf = TimestampsB - TimestampsA;
std::clock_t TimeVec = TimestampsC - TimestampsB; std::clock_t TimeVec = TimestampsC - TimestampsB;
std::clock_t TimeDefault = TimestampsD - TimestampsC; std::clock_t TimeDefault = TimestampsD - TimestampsC;
std::clock_t TimeVec4 = TimestampsE - TimestampsD;
printf("TimeIf %d\n", TimeIf); printf("bitCount - TimeIf %d\n", TimeIf);
printf("TimeVec %d\n", TimeVec); printf("bitCount - TimeVec %d\n", TimeVec);
printf("TimeDefault %d\n", TimeDefault); printf("bitCount - TimeDefault %d\n", TimeDefault);
printf("bitCount - TimeVec4 %d\n", TimeVec4);
return Error; return Error;
} }