Miroirs/planckforth
1
0
Fork 0
mirror of https://github.com/nineties/planckforth synced 2024-12-25 21:58:22 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Use unpack_from and pack_into for speedup

Browse source
This commit is contained in:
Koichi Nakamura 2021-12-29 21:34:25 +09:00
parent 4c91bcb9a8
commit 5005ff0e8e
1 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
others/planck.py
View file

@ -6,9 +6,9 @@
import os import os
import sys import sys
import operator import operator
import ctypes from ctypes import c_uint32
import platform import platform
from struct import pack, unpack from struct import pack_into, unpack_from
RUNTIME_NAME = "Python {}".format(platform.python_version()) RUNTIME_NAME = "Python {}".format(platform.python_version())
COPYRIGHT = "Copyright (c) 2021 Koichi Nakamura <koichi@idein.jp>" COPYRIGHT = "Copyright (c) 2021 Koichi Nakamura <koichi@idein.jp>"
@ -39,13 +39,13 @@ def align():
write(HERE_CELL, aligned(read(HERE_CELL))) write(HERE_CELL, aligned(read(HERE_CELL)))
def readi(addr): def readi(addr):
return unpack('<i', memory[addr:addr+CELL])[0] return unpack_from('<i', memory, addr)[0]
def read(addr): def read(addr):
return unpack('<I', memory[addr:addr+CELL])[0] return unpack_from('<I', memory, addr)[0]
def write(addr, v): def write(addr, v):
memory[addr:addr+CELL] = pack('<I', ctypes.c_uint32(v).value) pack_into('<I', memory, addr, c_uint32(v).value)
def comma(v, signed=False): def comma(v, signed=False):
here = read(HERE_CELL) here = read(HERE_CELL)
@ -148,8 +148,8 @@ def add_simple_operator(name, func):
def add_uint_operator(name, op): def add_uint_operator(name, op):
def func(): def func():
b = ctypes.c_uint(pop()).value b = c_uint32(pop()).value
a = ctypes.c_uint(pop()).value a = c_uint32(pop()).value
push(op(a, b)) push(op(a, b))
return add_simple_operator(name, func) return add_simple_operator(name, func)
def add_int_operator(name, op): def add_int_operator(name, op):
@ -225,8 +225,8 @@ def litstring(ip, np):
return next(np + CELL + read(np)) return next(np + CELL + read(np))
add_operator('S', litstring) add_operator('S', litstring)
def divmod(): def divmod():
b = ctypes.c_uint(pop()).value b = c_uint32(pop()).value
a = ctypes.c_uint(pop()).value a = c_uint32(pop()).value
push(a%b) push(a%b)
push(a//b) push(a//b)
add_simple_operator('/', divmod) add_simple_operator('/', divmod)