stringzilla 3.7.0

Faster SIMD-accelerated string search, sorting, fingerprints, and edit distances
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189

import os
import sys
import platform
from setuptools import setup, find_packages, Extension
from typing import List, Tuple
import sysconfig
import glob


def get_compiler() -> str:
    if platform.python_implementation() == "CPython":
        compiler = platform.python_compiler().lower()
        return "gcc" if "gcc" in compiler else "llvm" if "clang" in compiler else ""
    return ""


def is_64bit_x86() -> bool:
    arch = platform.machine()
    return arch == "x86_64" or arch == "i386"


def is_64bit_arm() -> bool:
    arch = platform.machine()
    return arch.startswith("arm")


def is_big_endian() -> bool:
    return sys.byteorder == "big"


def linux_settings() -> Tuple[List[str], List[str], List[Tuple[str]]]:
    compile_args = [
        "-std=c99",  # use the C 99 language dialect
        "-pedantic",  # stick close to the C language standard, avoid compiler extensions
        "-O3",  # maximum optimization level
        "-fdiagnostics-color=always",  # color console output
        "-Wno-unknown-pragmas",  # like: `pragma region` and some unrolls
        "-Wno-unused-function",  # like: ... declared ‘static’ but never defined
        "-Wno-incompatible-pointer-types",  # like: passing argument 4 of ‘sz_export_prefix_u32’ from incompatible pointer type
        "-Wno-discarded-qualifiers",  # like: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type
        "-fPIC",  # to enable dynamic dispatch
    ]
    link_args = [
        "-fPIC",  # to enable dynamic dispatch
    ]

    # GCC is our primary compiler, so when packaging the library, even if the current machine
    # doesn't support AVX-512 or SVE, still precompile those.
    macros_args = [
        ("SZ_USE_X86_AVX512", "1" if is_64bit_x86() else "0"),
        ("SZ_USE_X86_AVX2", "1" if is_64bit_x86() else "0"),
        ("SZ_USE_ARM_SVE", "1" if is_64bit_arm() else "0"),
        ("SZ_USE_ARM_NEON", "1" if is_64bit_arm() else "0"),
        ("SZ_DETECT_BIG_ENDIAN", "1" if is_big_endian() else "0"),
    ]

    if is_64bit_arm():
        compile_args.append("-march=armv8-a+simd")

    return compile_args, link_args, macros_args


def darwin_settings() -> Tuple[List[str], List[str], List[Tuple[str]]]:
    compile_args = [
        "-std=c99",  # use the C 99 language dialect
        "-pedantic",  # stick close to the C language standard, avoid compiler extensions
        "-O3",  # maximum optimization level
        "-fcolor-diagnostics",  # color console output
        "-Wno-unknown-pragmas",  # like: `pragma region` and some unrolls
        "-Wno-incompatible-function-pointer-types",
        "-Wno-incompatible-pointer-types",  # like: passing argument 4 of ‘sz_export_prefix_u32’ from incompatible pointer type
        "-Wno-discarded-qualifiers",  # like: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type
        "-fPIC",  # to enable dynamic dispatch
    ]
    link_args = [
        "-fPIC",  # to enable dynamic dispatch
    ]

    # Apple Clang doesn't support the `-march=native` argument,
    # so we must pre-set the CPU generation. Technically the last Intel-based Apple
    # product was the 2021 MacBook Pro, which had the "Coffee Lake" architecture.
    # During Universal builds, however, even AVX header cause compilation errors.
    can_use_avx2 = is_64bit_x86() and sysconfig.get_platform().startswith("universal")
    macros_args = [
        ("SZ_USE_X86_AVX512", "0"),
        ("SZ_USE_X86_AVX2", "1" if can_use_avx2 else "0"),
        ("SZ_USE_ARM_SVE", "0"),
        ("SZ_USE_ARM_NEON", "1" if is_64bit_arm() else "0"),
    ]

    return compile_args, link_args, macros_args


def windows_settings() -> Tuple[List[str], List[str], List[Tuple[str]]]:
    compile_args = [
        "/std:c99",  # use the C 99 language dialect
        "/Wall",  # stick close to the C language standard, avoid compiler extensions
        "/O2",  # maximum optimization level
    ]

    # Detect supported architectures for MSVC.
    macros_args = []
    if "AVX512" in platform.processor():
        macros_args.append(("SZ_USE_X86_AVX512", "1"))
        compile_args.append("/arch:AVX512")
    if "AVX2" in platform.processor():
        macros_args.append(("SZ_USE_X86_AVX2", "1"))
        compile_args.append("/arch:AVX2")

    link_args = []
    return compile_args, link_args, macros_args


if sys.platform == "linux":
    compile_args, link_args, macros_args = linux_settings()

elif sys.platform == "darwin":
    compile_args, link_args, macros_args = darwin_settings()

elif sys.platform == "win32":
    compile_args, link_args, macros_args = windows_settings()


ext_modules = [
    Extension(
        "stringzilla",
        ["python/lib.c"] + glob.glob("c/*.c"),
        # In the past I've used `np.get_include()` to include NumPy headers,
        # but it's not necessary for this library.
        include_dirs=["include"],
        extra_compile_args=compile_args,
        extra_link_args=link_args,
        define_macros=[("SZ_DYNAMIC_DISPATCH", "1")] + macros_args,
    ),
]

__version__ = open("VERSION", "r").read().strip()
__lib_name__ = "stringzilla"


this_directory = os.path.abspath(os.path.dirname(__file__))
with open(os.path.join(this_directory, "README.md"), "r", encoding="utf-8") as f:
    long_description = f.read()


setup(
    name=__lib_name__,
    version=__version__,
    author="Ash Vardanian",
    description="SIMD-accelerated string search, sort, hashes, fingerprints, & edit distances",
    long_description=long_description,
    long_description_content_type="text/markdown",
    license="Apache-2.0",
    classifiers=[
        "Development Status :: 5 - Production/Stable",
        "Natural Language :: English",
        "Intended Audience :: Developers",
        "Intended Audience :: Information Technology",
        "License :: OSI Approved :: Apache Software License",
        "Programming Language :: C++",
        "Programming Language :: Python :: 3 :: Only",
        "Programming Language :: Python :: 3.6",
        "Programming Language :: Python :: 3.7",
        "Programming Language :: Python :: 3.8",
        "Programming Language :: Python :: 3.9",
        "Programming Language :: Python :: 3.10",
        "Programming Language :: Python :: 3.11",
        "Programming Language :: Python :: 3.12",
        "Programming Language :: Python :: Implementation :: CPython",
        "Programming Language :: Python :: Implementation :: PyPy",
        "Operating System :: OS Independent",
        "Topic :: File Formats",
        "Topic :: Internet :: Log Analysis",
        "Topic :: Scientific/Engineering :: Information Analysis",
        "Topic :: System :: Logging",
        "Topic :: Text Processing :: General",
        "Topic :: Text Processing :: Indexing",
    ],
    include_dirs=[],
    setup_requires=[],
    ext_modules=ext_modules,
    packages=find_packages(),
    entry_points={
        "console_scripts": [
            "sz_split=cli.split:main",
            "sz_wc=cli.wc:main",
        ],
    },
)