def GetFileSize(handle):
size = wintypes.LARGE_INTEGER(0)
res = win32api.GetFileSizeEx(handle, ctypes.byref(size))
if not res:
raise ctypes.WinError()
return size.value
def wait_us(nanoseconds):
"""Wait for a specified number of nanoseconds."""
wait_time = wintypes.LARGE_INTEGER(-abs(nanoseconds))
timer_handle = _WIN32.CreateWaitableTimerW(None, True, None)
if timer_handle == 0:
raise Exception("CreateWaitableTimerW returned NULL")
if _WIN32.SetWaitableTimer(timer_handle, byref(wait_time), 0, None,
None, False) == 0:
raise Exception("SetWaitableTimer returned 0")
_WIN32.WaitForSingleObject(timer_handle, _INFINITE)
_WIN32.CloseHandle(timer_handle)
def SetFilePointer(handle, offset,
moveMethod): # we match the naming of pywin32
newPos = wintypes.LARGE_INTEGER(5)
res = win32api.SetFilePointerEx(handle, offset, ctypes.byref(newPos),
moveMethod)
if not res:
raise ctypes.WinError()
return newPos.value
class LARGE_INTEGER(wintypes.LARGE_INTEGER):
# https://msdn.microsoft.com/en-us/library/ff553204
ntdll.RtlSecondsSince1970ToTime.restype = None
_unix_epoch = wintypes.LARGE_INTEGER()
ntdll.RtlSecondsSince1970ToTime(0, ctypes.byref(_unix_epoch))
_unix_epoch = _unix_epoch.value
def __int__(self):
return self.value
def __repr__(self):
name = self.__class__.__name__
return '%s(%d)' % (name, self.value)
def as_time(self):
time100ns = self.value - self._unix_epoch
if time100ns >= 0:
return time100ns / 1e7
raise ValueError('value predates the Unix epoch')
@classmethod
def from_time(cls, t):
time100ns = int(t * 10**7)
return cls(time100ns + cls._unix_epoch)
import math
from platform import system, release, version
from subprocess import check_output
from ctypes import WinDLL, wintypes, byref
# Imports kernel32.dll
kernel32 = WinDLL('kernel32', use_last_error=True)
starting_time = wintypes.LARGE_INTEGER()
ending_time = wintypes.LARGE_INTEGER()
elapsed_time = wintypes.LARGE_INTEGER()
frequency = wintypes.LARGE_INTEGER()
QueryPerformanceFrequency = kernel32.QueryPerformanceFrequency(byref(frequency))
# Upper limit for primes
pr = 8000000
OS = system()
Runs = []
# Main UI
class UI:
Title = f"{85 * '-'}\n{35 * ' '}PYPrime 1.10 Windows{35 * ' '}\n{85 * '-'}\n\n"
Description = '\nThis is a strictly single core benchmark. Please close all applications running in background to get the most reliable result\n'
UserInput = f'{34 * "*"}\nPress ENTER to start the benchmark'
ExitPrompt = 'Press ENTER to exit'
InvalidExitPrompt = '\nInvalid run detected, press ENTER to exit'
StartThing = 'Starting Benchmark...\n'