diff options
Diffstat (limited to 'include/framework/reconstruction/BSMPolicy.h')
| -rw-r--r-- | include/framework/reconstruction/BSMPolicy.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/framework/reconstruction/BSMPolicy.h b/include/framework/reconstruction/BSMPolicy.h index 6d55a12..ae17182 100644 --- a/include/framework/reconstruction/BSMPolicy.h +++ b/include/framework/reconstruction/BSMPolicy.h @@ -21,8 +21,8 @@ class BSMPolicy : public ReconstructionPolicy<ShardType, QueryType> { LevelVector; public: - BSMPolicy(size_t buffer_size) - : m_scale_factor(2), m_buffer_size(buffer_size) {} + BSMPolicy(size_t buffer_size, size_t scale_factor, size_t modifier=0) + : m_scale_factor(scale_factor), m_buffer_size(buffer_size), m_size_modifier(modifier) {} std::vector<ReconstructionVector> get_reconstruction_tasks(const Version<ShardType, QueryType> *version, LockManager &lock_mngr) const override { @@ -79,11 +79,13 @@ private: return target_level; } - inline size_t capacity(level_index level) const { - return m_buffer_size * pow(m_scale_factor, level + 1); + inline size_t capacity(level_index level, size_t reccnt) const { + size_t base = m_scale_factor * pow(log(reccnt), m_size_modifier); + return m_buffer_size * (base - 1) * pow(base, level + 1); } size_t m_scale_factor; size_t m_buffer_size; + size_t m_size_modifier; }; } // namespace de |