/* * Copyright 2011-2013 Blender Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __UTIL_SYSTEM_H__ #define __UTIL_SYSTEM_H__ #include "util/util_string.h" #include "util/util_vector.h" CCL_NAMESPACE_BEGIN /* Make sure CPU groups / NUMA API is initialized. */ bool system_cpu_ensure_initialized(); /* Get total number of threads in all NUMA nodes / CPU groups. */ int system_cpu_thread_count(); /* Get width in characters of the current console output. */ int system_console_width(); /* Get number of available nodes. * * This is in fact an index of last node plus one and it's not guaranteed * that all nodes up to this one are available. */ int system_cpu_num_numa_nodes(); /* Returns truth if the given node is available for compute. */ bool system_cpu_is_numa_node_available(int node); /* Get number of available processors on a given node. */ int system_cpu_num_numa_node_processors(int node); /* Runs the current thread and its children on a specific node. * * Returns truth if affinity has successfully changed. */ bool system_cpu_run_thread_on_node(int node); /* Number of processors within the current CPU group (or within active thread * thread affinity). */ int system_cpu_num_active_group_processors(); string system_cpu_brand_string(); int system_cpu_bits(); bool system_cpu_support_sse2(); bool system_cpu_support_sse3(); bool system_cpu_support_sse41(); bool system_cpu_support_avx(); bool system_cpu_support_avx2(); size_t system_physical_ram(); /* Start a new process of the current application with the given arguments. */ bool system_call_self(const vector &args); /* Get identifier of the currently running process. */ uint64_t system_self_process_id(); CCL_NAMESPACE_END #endif /* __UTIL_SYSTEM_H__ */