source: icGREP/icgrep-devel/icgrep/lz4/LZ4Generator.h @ 6059

Last change on this file since 6059 was 6059, checked in by xwa163, 12 months ago
  1. Enable swizzled match copy in multiplexing lz4_grep for some special case
  2. Implement some lz4 AIO (all-in-one) pipeline and related kernel
File size: 2.9 KB
Line 
1
2#ifndef ICGREP_LZ4GENERATOR_H
3#define ICGREP_LZ4GENERATOR_H
4#include <llvm/IR/Module.h>
5#include <llvm/IR/Function.h>
6
7#include <llvm/Support/Signals.h>
8#include <llvm/Support/ManagedStatic.h>
9#include <IR_Gen/idisa_target.h>
10
11#include <toolchain/toolchain.h>
12
13#include <toolchain/cpudriver.h>
14#include <string>
15
16namespace re { class CC; }
17
18
19typedef void (*MainFunctionType)(char * byte_data, size_t headerSize, size_t filesize, bool hasBlockChecksum);
20
21class LZ4Generator {
22
23public:
24    LZ4Generator();
25
26    MainFunctionType getMainFunc();
27
28    void generatePipeline(const std::string &outputFile);
29    void generateSwizzledPipeline(const std::string &outputFile);
30    void generateNewExtractOnlyPipeline(const std::string &outputFile);
31    void generateExtractOnlyPipeline(const std::string &outputFile);
32    void generateSwizzledExtractOnlyPipeline(const std::string &outputFile);
33    void generateExtractAndDepositOnlyPipeline(const std::string &outputFile);
34    void generateSwizzledExtractAndDepositOnlyPipeline(const std::string &outputFile);
35
36protected:
37    //// Protected Method
38    void generateMainFunc(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
39    // Pipeline
40    virtual void generateLoadByteStreamAndBitStream(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
41    virtual void generateExtractAndDepositMarkers(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
42    virtual parabix::StreamSetBuffer * generateAIODecompression(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
43    virtual parabix::StreamSetBuffer * generateSwizzledAIODecompression(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
44    virtual std::pair<parabix::StreamSetBuffer*, parabix::StreamSetBuffer*> generateSwizzleExtractData(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
45    virtual parabix::StreamSetBuffer* generateBitStreamExtractData(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
46
47    void generateCompressionMarker(const std::unique_ptr<kernel::KernelBuilder> & iBuilder);
48
49    // BufferSize related Helper Function
50    virtual int getInputBufferBlocks();
51    virtual int getDecompressedBufferBlocks();
52    int get4MbBufferBlocks();
53
54
55    //// Data Member
56    // Driver
57    ParabixDriver mPxDriver;
58
59    // Runtime Arguments
60    llvm::Value * mInputStream;
61    llvm::Value * mHeaderSize;
62    llvm::Value * mFileSize;
63    llvm::Value * mHasBlockChecksum;
64
65
66    // StreamSetBuffers
67    parabix::StreamSetBuffer * mCompressedByteStream;
68    parabix::StreamSetBuffer * mCompressedBasisBits;
69    parabix::StreamSetBuffer * mDeletionMarker;
70    parabix::StreamSetBuffer * mCompressionMarker;
71    parabix::StreamSetBuffer * mDepositMarker;
72    parabix::StreamSetBuffer * mMatchOffsetMarker;
73
74    // M0CountMarker will not contain anything, it will only be used to pass producedItemCount and manage processedItemCount between different kernel
75    parabix::StreamSetBuffer * mM0Marker;
76};
77
78
79#endif //ICGREP_LZ4GENERATOR_H
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