AthEnvironmentSvc.cxx

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/*
 * Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration.
 */
 
 
#include "AthEnvironmentSvc.h"
#include <Eigen/Core>
 

StatusCode AthEnvironmentSvc::initialize()
{
  if (m_eigenL1CacheSize > 0 || m_eigenL2CacheSize > 0 || m_eigenL3CacheSize > 0) {
    ATH_MSG_VERBOSE("Setting Eigen cache sizes to L1: {} L2: {} L3: {}",
                    m_eigenL1CacheSize.value(), m_eigenL2CacheSize.value(), m_eigenL3CacheSize.value());
    Eigen::setCpuCacheSizes (m_eigenL1CacheSize, m_eigenL2CacheSize, m_eigenL3CacheSize);
  }
  return StatusCode::SUCCESS;
}