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Diffstat (limited to 'src/mem/ruby/network/orion/Allocator/VCAllocator.hh')
-rw-r--r-- | src/mem/ruby/network/orion/Allocator/VCAllocator.hh | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/Allocator/VCAllocator.hh b/src/mem/ruby/network/orion/Allocator/VCAllocator.hh new file mode 100644 index 000000000..c989089fb --- /dev/null +++ b/src/mem/ruby/network/orion/Allocator/VCAllocator.hh @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2009 Princeton University, and + * Regents of the University of California + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Hangsheng Wang (Orion 1.0, Princeton) + * Xinping Zhu (Orion 1.0, Princeton) + * Xuning Chen (Orion 1.0, Princeton) + * Bin Li (Orion 2.0, Princeton) + * Kambiz Samadi (Orion 2.0, UC San Diego) + */ + +#ifndef __VCALLOCATOR_H__ +#define __VCALLOCATOR_H__ + +#include "mem/ruby/network/orion/Type.hh" + +class TechParameter; +class OrionConfig; +class Arbiter; +class Buffer; + +class VCAllocator +{ + public: + enum VAModel + { + NO_MODEL = 0, + ONE_STAGE_ARB, + TWO_STAGE_ARB, + VC_SELECT + }; + + public: + ~VCAllocator(); + + protected: + // for ONE_STAGE_ARB + VCAllocator( + uint32_t num_in_port_, + uint32_t num_out_port_, + uint32_t num_vclass_, + uint32_t num_vchannel_, + const string& arb_model_str_, + const string& arb_ff_model_str_, + const TechParameter* tech_param_ptr_ + ); + // for TWO_STAGE_ARB + VCAllocator( + uint32_t num_in_port_, + uint32_t num_out_port_, + uint32_t num_vclass_, + uint32_t num_vchannel_, + const string& local_arb_model_str_, + const string& local_arb_ff_model_str_, + const string& global_arb_model_str_, + const string& global_arb_ff_model_str_, + const TechParameter* tech_param_ptr_ + ); + // for VC_SELECT + VCAllocator( + uint32_t num_in_port_, + uint32_t num_out_port_, + uint32_t num_vclass_, + uint32_t num_vchannel_, + const string& vc_select_buf_model_str_, + const OrionConfig* orion_cfg_ptr_ + ); + + public: + double get_dynamic_energy_local_vc_arb(double num_req_, bool is_max_) const; + double get_dynamic_energy_global_vc_arb(double num_req_, bool is_max_) const; + double get_dynamic_energy_vc_select(bool is_read_, bool is_max_) const; + double get_static_power() const; + + void print_all() const; + + protected: + VAModel m_va_model; + uint32_t m_num_in_port; + uint32_t m_num_out_port; + uint32_t m_num_vclass; + uint32_t m_num_vchannel; + + Arbiter* m_local_arb_ptr; + Arbiter* m_global_arb_ptr; + Buffer* m_vc_select_ptr; + + public: + static VCAllocator* create_vcallocator( + const string& vcalloc_model_str_, + uint32_t num_in_port_, + uint32_t num_out_port_, + uint32_t num_vclass_, + uint32_t num_vchannel_, + const OrionConfig* orion_cfg_ptr_ + ); +}; + +#endif |