Implement serv_get_ht, serv_get_ncpus, serv_get_ncorespercpu function…

… for MKL backend

cpp/daal/src/externals/service_service_mkl.h

@@ -25,6 +25,7 @@
 #define __SERVICE_SERVICE_MKL_H__
 
 #include "services/daal_defines.h"
+#include "src/services/service_topo.h"
 #include <mkl.h>
 #include <mkl_service.h>
 #include <string.h>
@@ -61,22 +62,22 @@ struct MklService
  // return memmove_s(dest, destSize, src, smax);
  }
 
- static int serv_get_ht()
+ static int serv_get_ncpus()
  {
- // TODO: real detection of hypertheading
- return 0;
+ unsigned int ncores = daal::services::internal::_internal_daal_GetSysProcessorCoreCount();
+ return (ncores ? ncores : 1);
  }
 
- static int serv_get_ncpus()
+ static int serv_get_ncorespercpu()
  {
- // TODO: detection of npus
- return 1;
+ unsigned int nlogicalcpu = daal::services::internal::_internal_daal_GetSysLogicalProcessorCount();
+ unsigned int ncpus = serv_get_ncpus();
+ return (ncpus > 0 && nlogicalcpu > 0 && nlogicalcpu > ncpus ? nlogicalcpu / ncpus : 1);
  }
 
- static int serv_get_ncorespercpu()
+ static int serv_get_ht()
  {
- // TODO: detection of ncores per cpu
- return 1;
+ return (serv_get_ncorespercpu() > 1 ? 1 : 0);
  }
 
  // TODO: The real call should be delegated to a backend library if the option is supported

cpp/daal/src/services/service_topo.h

@@ -357,13 +357,13 @@ unsigned _internal_daal_GetLogicalProcessorCount();
 unsigned _internal_daal_GetCoresPerPackageProcessorCount();
 unsigned _internal_daal_GetProcessorPackageCount();
 unsigned _internal_daal_GetEnumerateAPICID(unsigned processor);
-unsigned _internal_daal_GetLogicalPerCoreProcessorCount();
 unsigned _internal_daal_GetCoreCount(unsigned long package_ordinal);
 unsigned _internal_daal_GetThreadCount(unsigned long package_ordinal, unsigned long core_ordinal);
 unsigned _internal_daal_GetLogicalProcessorQueue(int * queue);
 unsigned _internal_daal_GetStatus();
 
 unsigned _internal_daal_GetSysLogicalProcessorCount();
+unsigned _internal_daal_GetSysProcessorCoreCount();
 } // namespace internal
 } // namespace services
 } // namespace daal