92 lines
3.0 KiB
Systemverilog
92 lines
3.0 KiB
Systemverilog
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/*
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* Copyright 2019 - 2020 Systems Group, ETH Zurich
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package DTPackage;
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parameter TREE_OFFSET_BITS = 10;
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parameter TUPLE_OFFSET_BITS = 9;
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parameter TREE_MEM_WIDTH_BITS = 1;
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parameter MAX_TREE_DEPTH_BITS = 4;
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parameter NUM_PUS_PER_CLUSTER_BITS = 5;
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parameter NUM_PUS_PER_CLUSTER = 28;
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parameter NUM_DTPU_CLUSTERS = 4;
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parameter NUM_DTPU_CLUSTERS_BITS = 2;
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parameter NUM_TREES_PER_PU = 32;
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parameter FEATURES_DISTR_DELAY = 8;
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parameter DATA_PRECISION = 32;
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parameter DATA_LINE_WIDTH = 64;
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parameter TREE_MEM_READ_LATENCY = 2;
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parameter DATA_MEM_READ_LATENCY = 2;
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parameter EMPTY_PIPELINE_WAIT_CYCLES = 128;
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parameter FP_ADDER_LATENCY = 2;
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typedef struct packed {
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bit [TREE_OFFSET_BITS-1:0] tree_offset;
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bit [TUPLE_OFFSET_BITS-1:0] tuple_offset;
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bit last_tree;
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bit empty_tree;
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} TreeInstruction_t;
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typedef struct packed {
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bit [TREE_OFFSET_BITS+TREE_MEM_WIDTH_BITS-1:0] node_address;
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bit [TUPLE_OFFSET_BITS-1:0] tuple_offset;
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bit [MAX_TREE_DEPTH_BITS-1:0] node_level;
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bit empty_tree;
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bit node_nop;
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bit last_tree;
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bit leaf_node;
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bit [31:0] node_res_val;
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} NodeInstruction_t;
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typedef struct packed {
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bit [3:0] split_dir;
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bit [7:0] findex;
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bit right_child;
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bit left_child;
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bit [1:0] op_type;
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} NodeType_t;
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typedef struct packed {
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bit [15:0] word_1_h;
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bit [15:0] word_1_l;
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bit [15:0] right_child_offset;
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NodeType_t node_type;
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} TreeNode_t;
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endpackage
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