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Yet another build fix

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This commit is contained in:
Robert Schulze 2023-01-24 09:57:12 +00:00
parent 1a1fa4a40a
commit 36d6af0e04
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GPG Key ID: 26703B55FB13728A
1 changed files with 9 additions and 9 deletions
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18
src/Common/getNumberOfPhysicalCPUCores.cpp
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@ -11,8 +11,10 @@
#include <thread>
#include <set>
namespace {
#if defined(OS_LINUX)
static int32_t readFrom(const char * filename, int default_value)
int32_t readFrom(const char * filename, int default_value)
{
std::ifstream infile(filename);
if (!infile.is_open())
@ -25,7 +27,7 @@ static int32_t readFrom(const char * filename, int default_value)
}
/// Try to look at cgroups limit if it is available.
static uint32_t getCGroupLimitedCPUCores(unsigned default_cpu_count)
uint32_t getCGroupLimitedCPUCores(unsigned default_cpu_count)
{
uint32_t quota_count = default_cpu_count;
/// Return the number of milliseconds per period process is guaranteed to run.
@ -41,8 +43,8 @@ static uint32_t getCGroupLimitedCPUCores(unsigned default_cpu_count)
/// Returns number of physical cores, unlike std::thread::hardware_concurrency() which returns the logical core count. With 2-way SMT
/// (HyperThreading) enabled, physical_concurrency() returns half of of std::thread::hardware_concurrency(), otherwise return the same.
static unsigned physical_concurrency()
#if defined(OS_LINUX)
#if defined(__x86_64__) && defined(OS_LINUX)
unsigned physical_concurrency()
try
{
/// The CPUID instruction isn't reliable across different vendors and CPU models. The best option to get the physical core count is
@ -87,13 +89,9 @@ catch (...)
{
return std::thread::hardware_concurrency(); /// parsing error
}
#else
{
return std::thread::hardware_concurrency();
}
#endif
static unsigned getNumberOfPhysicalCPUCoresImpl()
unsigned getNumberOfPhysicalCPUCoresImpl()
{
unsigned cpu_count = std::thread::hardware_concurrency(); /// logical cores (with SMT/HyperThreading)
@ -115,6 +113,8 @@ static unsigned getNumberOfPhysicalCPUCoresImpl()
return cpu_count;
}
}
unsigned getNumberOfPhysicalCPUCores()
{
/// Calculate once.