An Introduction to the Thrust Parallel Algorithms

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An Introduction to the Thrust Parallel Algorithms Library What is Thrust? High-Level Parallel Algorithms Library Parallel Analog of the C Standard Template Library (STL) Performance-Portable Abstraction Layer Productive way to program

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01
An Introduction to the
Thrust Parallel Algorithms Library<br>
02
What is Thrust? High-Level Parallel Algorithms Library

Parallel Analog of the C++ Standard Template Library (STL)

Performance-Portable Abstraction Layer

Productive way to program CUDA<br>
03
Example #include <thrust/host_vector.h>
#include <thrust/device_vector.h>
#include <thrust/sort.h>
#include <cstdlib>

int main(void)
{
// generate 32M random numbers on the host
thrust::host_vector<int> h_vec(32 << 20);
thrust::generate(h_vec.begin(), h_vec.end(), rand);

// transfer data to the device
thrust::device_vector<int> d_vec = h_vec;

// sort data on the device
thrust::sort(d_vec.begin(), d_vec.end());

// transfer data back to host
thrust::copy(d_vec.begin(), d_vec.end(), h_vec.begin());

return 0;
}<br>