Mercurial > cpython-lru_cache-weakref

annotate Python/getversion.c @ 44334:07aa19170a67 legacy-trunk

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Speed-up dictionary constructor by about 10%. New opcode, STORE_MAP saves the compiler from awkward stack manipulations and specializes for dicts using PyDict_SetItem instead of PyObject_SetItem. Old disassembly: 0 BUILD_MAP 0 3 DUP_TOP 4 LOAD_CONST 1 (1) 7 ROT_TWO 8 LOAD_CONST 2 ('x') 11 STORE_SUBSCR 12 DUP_TOP 13 LOAD_CONST 3 (2) 16 ROT_TWO 17 LOAD_CONST 4 ('y') 20 STORE_SUBSCR New disassembly: 0 BUILD_MAP 0 3 LOAD_CONST 1 (1) 6 LOAD_CONST 2 ('x') 9 STORE_MAP 10 LOAD_CONST 3 (2) 13 LOAD_CONST 4 ('y') 16 STORE_MAP
author Raymond Hettinger <python@rcn.com>
date Tue, 18 Dec 2007 18:26:18 +0000
parents 379fc66f4c96
children 9f2fbee420da
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f158edccc72c grand renaming; added copyright to some files
Guido van Rossum <guido@python.org>
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1
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2 /* Return the full version string. */
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3
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237c3b2a6187 include Python.h
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4 #include "Python.h"
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5
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6 #include "patchlevel.h"
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7
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8 const char *
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f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
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9 Py_GetVersion(void)
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10 {
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8c6ffe670963 Allow longer strings (up to 80 chars each) for version, build,
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11 static char version[250];
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379fc66f4c96 Use PyOS_snprintf instead of sprintf.
Jeremy Hylton <jeremy@alum.mit.edu>
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12 PyOS_snprintf(version, sizeof(version), "%.80s (%.80s) %.80s",
379fc66f4c96 Use PyOS_snprintf instead of sprintf.
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13 PY_VERSION, Py_GetBuildInfo(), Py_GetCompiler());
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14 return version;
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15 }