TBB
TBB (Intel Threading Building Blocks) is a parallel-programming library that abstracts out details for managing threads, synchronization, or load balancing explicitly. Key features include:
- Task parallelism
- Data parallelism
- Concurrent Data Structures
Example usage: parallelize a for loop
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#include <tbb/parallel_for.h>
#include <vector>
int main(){
// initialize the vector to 1000 1s
std::vector <int> vec{1000, 1};
tbb::parallel_for(tbb::blocked_range<size_t>(0, data.size()),
[&](const tbb::blocked_range<size_t>& range){
for(size_t i = range.begin(); i != range.end(); ++i){
data[i] += i;
}
}
)
}
To install:
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sudo apt-get update
sudo apt-get install libtbb-dev
To link:
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cmake_minimum_required(VERSION 3.10)
project(MyProject)
# Find the TBB package
find_package(TBB REQUIRED)
# Add the executable target
add_executable(MyExecutable main.cpp)
# Link against the TBB::tbb target
target_link_libraries(MyExecutable PRIVATE TBB::tbb)
# (Optional) Specify C++ standard
set_target_properties(MyExecutable PROPERTIES
CXX_STANDARD 17
CXX_STANDARD_REQUIRED YES
CXX_EXTENSIONS NO
)
