当前位置: 首页>>代码示例>>Python>>正文


Python ExternalCompilationInfo.separate_module_files方法代码示例

本文整理汇总了Python中rpython.translator.tool.cbuild.ExternalCompilationInfo.separate_module_files方法的典型用法代码示例。如果您正苦于以下问题:Python ExternalCompilationInfo.separate_module_files方法的具体用法?Python ExternalCompilationInfo.separate_module_files怎么用?Python ExternalCompilationInfo.separate_module_files使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在rpython.translator.tool.cbuild.ExternalCompilationInfo的用法示例。


在下文中一共展示了ExternalCompilationInfo.separate_module_files方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_precompiled_headers

# 需要导入模块: from rpython.translator.tool.cbuild import ExternalCompilationInfo [as 别名]
# 或者: from rpython.translator.tool.cbuild.ExternalCompilationInfo import separate_module_files [as 别名]
 def test_precompiled_headers(self):
     if self.platform.cc != 'cl.exe':
         py.test.skip("Only MSVC profits from precompiled headers")
     import time
     tmpdir = udir.join('precompiled_headers').ensure(dir=1)
     # Create an eci that should not use precompiled headers
     eci = ExternalCompilationInfo(include_dirs=[tmpdir])
     main_c = tmpdir.join('main_no_pch.c')
     eci.separate_module_files = [main_c]
     ncfiles = 10
     nprecompiled_headers = 20
     txt = ''
     for i in range(ncfiles):
         txt += "int func%03d();\n" % i
     txt += "\nint main(int argc, char * argv[])\n"
     txt += "{\n   int i=0;\n"
     for i in range(ncfiles):
         txt += "   i += func%03d();\n" % i
     txt += '    printf("%d\\n", i);\n'
     txt += "   return 0;\n};\n"
     main_c.write(txt)
     # Create some large headers with dummy functions to be precompiled
     cfiles_precompiled_headers = []
     for i in range(nprecompiled_headers):
         pch_name =tmpdir.join('pcheader%03d.h' % i)
         txt = '#ifndef PCHEADER%03d_H\n#define PCHEADER%03d_H\n' %(i, i)
         for j in range(3000):
             txt += "int pcfunc%03d_%03d();\n" %(i, j)
         txt += '#endif'
         pch_name.write(txt)    
         cfiles_precompiled_headers.append(pch_name)        
     # Create some cfiles with headers we want precompiled
     cfiles = []
     for i in range(ncfiles):
         c_name =tmpdir.join('implement%03d.c' % i)
         txt = ''
         for pch_name in cfiles_precompiled_headers:
             txt += '#include "%s"\n' % pch_name
         txt += "int func%03d(){ return %d;};\n" % (i, i)
         c_name.write(txt)
         cfiles.append(c_name)        
     if sys.platform == 'win32':
         clean = ('clean', '', 'for %f in ( $(OBJECTS) $(TARGET) ) do @if exist %f del /f %f')
         get_time = time.clock
     else:    
         clean = ('clean', '', 'rm -f $(OBJECTS) $(TARGET) ')
         get_time = time.time
     #write a non-precompiled header makefile
     mk = self.platform.gen_makefile(cfiles, eci, path=tmpdir)
     mk.rule(*clean)
     mk.write()
     t0 = get_time()
     self.platform.execute_makefile(mk)
     t1 = get_time()
     t_normal = t1 - t0
     self.platform.execute_makefile(mk, extra_opts=['clean'])
     # Write a super-duper makefile with precompiled headers
     mk = self.platform.gen_makefile(cfiles, eci, path=tmpdir,
                        headers_to_precompile=cfiles_precompiled_headers,)
     mk.rule(*clean)
     mk.write()
     t0 = get_time()
     self.platform.execute_makefile(mk)
     t1 = get_time()
     t_precompiled = t1 - t0
     res = self.platform.execute(mk.exe_name)
     self.check_res(res, '%d\n' %sum(range(ncfiles)))
     print "precompiled haeder 'make' time %.2f, non-precompiled header time %.2f" %(t_precompiled, t_normal)
     assert t_precompiled < t_normal * 0.5
开发者ID:Darriall,项目名称:pypy,代码行数:71,代码来源:test_makefile.py


注:本文中的rpython.translator.tool.cbuild.ExternalCompilationInfo.separate_module_files方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。