/
githubmirror
/
julia
Обзор
Документация
Войти
/
githubmirror
/
julia
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/print_process_affinity.jl
31 строка
896 B
Takafumi Arakaki
Add `setcpuaffinity(cmd, cpus)` for setting CPU affinity of subprocesses (#42469)
10 янв 2022, 20:45
Не верифицирован
10 янв 2022, 20:45
7b62896
Код
Авторство
О чём код?
# This file is a part of Julia. License is MIT: https://julialang.org/license const uv_thread_t = UInt # TODO: this is usually correct (or tolerated by the API), but not guaranteed function uv_thread_getaffinity() masksize = ccall(:uv_cpumask_size, Cint, ()) self = ccall(:uv_thread_self, uv_thread_t, ()) ref = Ref(self) cpumask = zeros(Bool, masksize) err = ccall( :uv_thread_getaffinity, Cint, (Ref{uv_thread_t}, Ptr{Bool}, Cssize_t), ref, cpumask, masksize, ) Base.uv_error("getaffinity", err) n = something(findlast(cpumask)) # we must have at least one active core resize!(cpumask, n) return cpumask end function print_process_affinity() join(stdout, findall(uv_thread_getaffinity()), ",") println() end if Base.Filesystem.samefile(PROGRAM_FILE, @__FILE__) print_process_affinity() end