d87691ec60
git-subtree-dir: subtree/rabit git-subtree-split: c7282acb2a92e1d6a32614889ff466fec58937f3
17 lines
475 B
C++
17 lines
475 B
C++
#include <rabit.h>
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using namespace rabit;
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const int N = 3;
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int main(int argc, char *argv[]) {
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rabit::Init(argc, argv);
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std::string s;
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if (rabit::GetRank() == 0) s = "hello world";
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printf("@node[%d] before-broadcast: s=\"%s\"\n",
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rabit::GetRank(), s.c_str());
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// broadcast s from node 0 to all other nodes
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rabit::Broadcast(&s, 0);
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printf("@node[%d] after-broadcast: s=\"%s\"\n",
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rabit::GetRank(), s.c_str());
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rabit::Finalize();
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return 0;
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}
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