source: icGREP/icgrep-devel/icgrep/kernels/s2p_kernel.h @ 6132

Last change on this file since 6132 was 6132, checked in by xwa163, 8 months ago
  1. More experiment on lz4 grep
  2. Improve performance of lzparabix grep
File size: 2.2 KB
Line 
1/*
2 *  Copyright (c) 2018 International Characters.
3 *  This software is licensed to the public under the Open Software License 3.0.
4 */
5#ifndef S2P_KERNEL_H
6#define S2P_KERNEL_H
7
8#include "kernel.h"  // for KernelBuilder
9#include <cc/alphabet.h>
10#include <pablo/pablo_kernel.h>
11#include <string>
12
13namespace IDISA { class IDISA_Builder; }  // lines 14-14
14namespace llvm { class Value; }
15
16namespace kernel {
17
18    class S2P4StreamByPEXTKernel final : public BlockOrientedKernel{
19    public:
20        S2P4StreamByPEXTKernel(const std::unique_ptr<kernel::KernelBuilder> & b);
21    protected:
22        void generateDoBlockMethod(const std::unique_ptr<KernelBuilder> & b) override;
23    };
24
25class S2PKernel final : public MultiBlockKernel {
26public:
27    S2PKernel(const std::unique_ptr<kernel::KernelBuilder> & b, cc::BitNumbering basisNumbering = cc::BitNumbering::LittleEndian, bool aligned = true, std::string prefix = "", unsigned numOfStreams = 8);
28    bool isCachable() const override { return true; }
29    bool hasSignature() const override { return false; }
30protected:
31    void generateMultiBlockLogic(const std::unique_ptr<KernelBuilder> & kb, llvm::Value * const numOfStrides) override;
32private:
33    cc::BitNumbering mBasisSetNumbering;
34    bool mAligned;
35    unsigned mNumOfStreams;
36};
37
38class S2P_21Kernel final : public MultiBlockKernel {
39public:
40    S2P_21Kernel(const std::unique_ptr<kernel::KernelBuilder> & b, cc::BitNumbering basisNumbering = cc::BitNumbering::LittleEndian);
41    bool isCachable() const override { return true; }
42    bool hasSignature() const override { return false; }
43protected:
44    void generateMultiBlockLogic(const std::unique_ptr<KernelBuilder> & kb, llvm::Value * const numOfStrides) override;
45    cc::BitNumbering mBasisSetNumbering;
46};
47
48class S2P_PabloKernel final : public pablo::PabloKernel {
49public:
50    S2P_PabloKernel(const std::unique_ptr<KernelBuilder> & b, unsigned codeUnitWidth = 8, cc::BitNumbering basisNumbering = cc::BitNumbering::LittleEndian);
51    bool isCachable() const override { return true; }
52    bool hasSignature() const override { return false; }
53protected:
54    void generatePabloMethod() override;
55    unsigned mCodeUnitWidth;
56    cc::BitNumbering mBasisSetNumbering;
57};
58
59
60}
61#endif
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