2017-04-06 20:55:26 +00:00
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// Copyright (c) 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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2018-08-03 12:05:33 +00:00
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#ifndef TOOLS_STATS_STATS_ANALYZER_H_
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#define TOOLS_STATS_STATS_ANALYZER_H_
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2017-04-06 20:55:26 +00:00
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2018-08-03 19:06:09 +00:00
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#include <string>
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2017-04-06 20:55:26 +00:00
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#include <unordered_map>
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#include "source/spirv_stats.h"
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class StatsAnalyzer {
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public:
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2018-07-07 13:38:00 +00:00
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explicit StatsAnalyzer(const spvtools::SpirvStats& stats);
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2017-04-06 20:55:26 +00:00
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2017-04-20 19:32:38 +00:00
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// Writes respective histograms to |out|.
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2017-04-06 20:55:26 +00:00
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void WriteVersion(std::ostream& out);
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void WriteGenerator(std::ostream& out);
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void WriteCapability(std::ostream& out);
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void WriteExtension(std::ostream& out);
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void WriteOpcode(std::ostream& out);
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2017-05-04 17:35:52 +00:00
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void WriteConstantLiterals(std::ostream& out);
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2017-04-06 20:55:26 +00:00
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2017-04-20 19:32:38 +00:00
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// Writes first order Markov analysis to |out|.
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// stats_.opcode_markov_hist needs to contain raw data for at least one
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// level.
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void WriteOpcodeMarkov(std::ostream& out);
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2017-07-31 17:08:38 +00:00
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// Writes C++ code containing a function returning opcode histogram.
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void WriteCodegenOpcodeHist(std::ostream& out);
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// Writes C++ code containing a function returning opcode_and_num_operands
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// histogram.
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void WriteCodegenOpcodeAndNumOperandsHist(std::ostream& out);
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// Writes C++ code containing a function returning a map of Huffman codecs
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// for opcode_and_num_operands. Each Huffman codec is created for a specific
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// previous opcode.
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// TODO(atgoo@github.com) Write code which would contain pregenerated Huffman
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// codecs, instead of code which would generate them every time.
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void WriteCodegenOpcodeAndNumOperandsMarkovHuffmanCodecs(std::ostream& out);
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// Writes C++ code containing a function returning a map of Huffman codecs
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// for literal strings. Each Huffman codec is created for a specific opcode.
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// I.e. OpExtension and OpExtInstImport would use different codecs.
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void WriteCodegenLiteralStringHuffmanCodecs(std::ostream& out);
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// Writes C++ code containing a function returning a map of Huffman codecs
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// for single-word non-id operands. Each Huffman codec is created for a
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// specific operand slot (opcode and operand number).
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void WriteCodegenNonIdWordHuffmanCodecs(std::ostream& out);
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2017-08-02 20:47:25 +00:00
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// Writes C++ code containing a function returning a map of Huffman codecs
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// for common id descriptors. Each Huffman codec is created for a
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// specific operand slot (opcode and operand number).
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void WriteCodegenIdDescriptorHuffmanCodecs(std::ostream& out);
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2017-04-06 20:55:26 +00:00
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private:
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2018-07-07 13:38:00 +00:00
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const spvtools::SpirvStats& stats_;
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2017-04-06 20:55:26 +00:00
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uint32_t num_modules_;
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std::unordered_map<uint32_t, double> version_freq_;
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std::unordered_map<uint32_t, double> generator_freq_;
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std::unordered_map<uint32_t, double> capability_freq_;
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std::unordered_map<std::string, double> extension_freq_;
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std::unordered_map<uint32_t, double> opcode_freq_;
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};
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2018-08-03 12:05:33 +00:00
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#endif // TOOLS_STATS_STATS_ANALYZER_H_
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