diff options
| -rw-r--r-- | grc/gui/Executor.py | 5 | ||||
| -rw-r--r-- | grc/gui/Utils.py | 19 |
2 files changed, 23 insertions, 1 deletions
diff --git a/grc/gui/Executor.py b/grc/gui/Executor.py index 7b4e006f3c..3d10f869aa 100644 --- a/grc/gui/Executor.py +++ b/grc/gui/Executor.py @@ -17,6 +17,7 @@ from distutils.spawn import find_executable from gi.repository import GLib from ..core import Messages +from . import Utils class ExecFlowGraphThread(threading.Thread): @@ -87,7 +88,9 @@ class ExecFlowGraphThread(threading.Thread): xterm_executable = find_executable(self.xterm_executable) - run_command_args = f'cmake .. && make && cd ../.. && {xterm_executable} -e {run_command}' + nproc = Utils.get_cmake_nproc() + + run_command_args = f'cmake .. && cmake --build . -j{nproc} && cd ../.. && {xterm_executable} -e {run_command}' Messages.send_start_exec(run_command_args) return subprocess.Popen( diff --git a/grc/gui/Utils.py b/grc/gui/Utils.py index 5d710532bd..7538da75ff 100644 --- a/grc/gui/Utils.py +++ b/grc/gui/Utils.py @@ -9,6 +9,7 @@ SPDX-License-Identifier: GPL-2.0-or-later from __future__ import absolute_import from sys import platform +import os import numbers from gi.repository import GLib @@ -174,3 +175,21 @@ def get_modifier_key(angle_brackets=False): return "<Ctrl>" else: return "Ctrl" + + +_nproc = None +def get_cmake_nproc(): + """ Get number of cmake processes for C++ flowgraphs """ + global _nproc # Cached result + if _nproc: + return _nproc + try: + # See https://docs.python.org/3.8/library/os.html#os.cpu_count + _nproc = len(os.sched_getaffinity(0)) + except: + _nproc = os.cpu_count() + if not _nproc: + _nproc = 1 + + _nproc = max(_nproc//2 - 1, 1) + return _nproc |