mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-26 21:30:07 +00:00
3dad1cda11
This CL changes all of the libspirv namespace code to spvtools to match the rest of the code base.
131 lines
5.0 KiB
C++
131 lines
5.0 KiB
C++
// 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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#ifndef LIBSPIRV_SPIRV_STATS_H_
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#define LIBSPIRV_SPIRV_STATS_H_
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#include <map>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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struct SpirvStats {
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// Version histogram, version_word -> count.
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std::unordered_map<uint32_t, uint32_t> version_hist;
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// Generator histogram, generator_word -> count.
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std::unordered_map<uint32_t, uint32_t> generator_hist;
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// Capability histogram, SpvCapabilityXXX -> count.
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std::unordered_map<uint32_t, uint32_t> capability_hist;
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// Extension histogram, extension_string -> count.
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std::unordered_map<std::string, uint32_t> extension_hist;
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// Opcode histogram, SpvOpXXX -> count.
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std::unordered_map<uint32_t, uint32_t> opcode_hist;
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// Histogram of words combining opcode and number of operands,
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// opcode | (num_operands << 16) -> count.
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std::unordered_map<uint32_t, uint32_t> opcode_and_num_operands_hist;
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// OpConstant u16 histogram, value -> count.
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std::unordered_map<uint16_t, uint32_t> u16_constant_hist;
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// OpConstant u32 histogram, value -> count.
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std::unordered_map<uint32_t, uint32_t> u32_constant_hist;
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// OpConstant u64 histogram, value -> count.
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std::unordered_map<uint64_t, uint32_t> u64_constant_hist;
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// OpConstant s16 histogram, value -> count.
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std::unordered_map<int16_t, uint32_t> s16_constant_hist;
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// OpConstant s32 histogram, value -> count.
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std::unordered_map<int32_t, uint32_t> s32_constant_hist;
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// OpConstant s64 histogram, value -> count.
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std::unordered_map<int64_t, uint32_t> s64_constant_hist;
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// OpConstant f32 histogram, value -> count.
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std::unordered_map<float, uint32_t> f32_constant_hist;
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// OpConstant f64 histogram, value -> count.
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std::unordered_map<double, uint32_t> f64_constant_hist;
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// Enum histogram, operand type -> operand value -> count.
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std::unordered_map<uint32_t, std::unordered_map<uint32_t, uint32_t>>
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enum_hist;
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// Histogram of all non-id single words.
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// pair<opcode, operand index> -> value -> count.
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// This is a generalization of enum_hist, also includes literal integers and
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// masks.
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std::map<std::pair<uint32_t, uint32_t>, std::map<uint32_t, uint32_t>>
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operand_slot_non_id_words_hist;
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// Historgam of descriptors generated by IdDescriptorCollection.
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// Descriptor -> count.
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std::unordered_map<uint32_t, uint32_t> id_descriptor_hist;
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// Debut labels for id descriptors, descriptor -> label.
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std::unordered_map<uint32_t, std::string> id_descriptor_labels;
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// Historgam of descriptors generated by IdDescriptorCollection for every
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// operand slot. pair<opcode, operand index> -> descriptor -> count.
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std::map<std::pair<uint32_t, uint32_t>, std::map<uint32_t, uint32_t>>
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operand_slot_id_descriptor_hist;
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// Histogram of literal strings, sharded by opcodes, opcode -> string ->
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// count.
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// This is suboptimal if an opcode has multiple literal string operands,
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// as it wouldn't differentiate between operands.
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std::unordered_map<uint32_t, std::unordered_map<std::string, uint32_t>>
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literal_strings_hist;
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// Markov chain histograms:
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// opcode -> next(opcode | (num_operands << 16)) -> count.
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// See also opcode_and_num_operands_hist, which collects global statistics.
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std::unordered_map<uint32_t, std::unordered_map<uint32_t, uint32_t>>
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opcode_and_num_operands_markov_hist;
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// Used to collect statistics on opcodes triggering other opcodes.
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// Container scheme: gap between instructions -> cue opcode -> later opcode
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// -> count.
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// For example opcode_markov_hist[2][OpFMul][OpFAdd] corresponds to
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// the number of times an OpMul appears, followed by 2 other instructions,
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// followed by OpFAdd.
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// opcode_markov_hist[0][OpFMul][OpFAdd] corresponds to how many times
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// OpFMul appears, directly followed by OpFAdd.
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// The size of the outer std::vector also serves as an input parameter,
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// determining how many steps will be collected.
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// I.e. do opcode_markov_hist.resize(1) to collect data for one step only.
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std::vector<
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std::unordered_map<uint32_t, std::unordered_map<uint32_t, uint32_t>>>
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opcode_markov_hist;
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};
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// Aggregates existing |stats| with new stats extracted from |binary|.
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spv_result_t AggregateStats(const spv_context_t& context, const uint32_t* words,
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const size_t num_words, spv_diagnostic* pDiagnostic,
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SpirvStats* stats);
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} // namespace spvtools
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#endif // LIBSPIRV_SPIRV_STATS_H_
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