90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
#include <rabit.h>
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#include <utils.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cmath>
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#include <mock.h>
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using namespace rabit;
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inline void TestMax(test::Mock &mock, size_t n) {
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int rank = rabit::GetRank();
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int nproc = rabit::GetWorldSize();
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std::vector<float> ndata(n);
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for (size_t i = 0; i < ndata.size(); ++i) {
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ndata[i] = (i * (rank+1)) % 111;
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}
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mock.AllReduce<op::Max>(&ndata[0], ndata.size());
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for (size_t i = 0; i < ndata.size(); ++i) {
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float rmax = (i * 1) % 111;
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for (int r = 0; r < nproc; ++r) {
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rmax = std::max(rmax, (float)((i * (r+1)) % 111));
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}
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utils::Check(rmax == ndata[i], "[%d] TestMax check failure", rank);
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}
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}
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inline void TestSum(test::Mock &mock, size_t n) {
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int rank = rabit::GetRank();
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int nproc = rabit::GetWorldSize();
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const int z = 131;
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std::vector<float> ndata(n);
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for (size_t i = 0; i < ndata.size(); ++i) {
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ndata[i] = (i * (rank+1)) % z;
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}
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mock.AllReduce<op::Sum>(&ndata[0], ndata.size());
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for (size_t i = 0; i < ndata.size(); ++i) {
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float rsum = 0.0f;
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for (int r = 0; r < nproc; ++r) {
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rsum += (float)((i * (r+1)) % z);
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}
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utils::Check(fabsf(rsum - ndata[i]) < 1e-5 ,
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"[%d] TestSum check failure, local=%g, allreduce=%g", rank, rsum, ndata[i]);
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}
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}
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inline void TestBcast(test::Mock &mock, size_t n, int root) {
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int rank = rabit::GetRank();
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std::string s; s.resize(n);
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for (size_t i = 0; i < n; ++i) {
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s[i] = char(i % 126 + 1);
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}
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std::string res;
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if (root == rank) {
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res = s;
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mock.Broadcast(&res, root);
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} else {
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mock.Broadcast(&res, root);
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}
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utils::Check(res == s, "[%d] TestBcast fail", rank);
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}
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int main(int argc, char *argv[]) {
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if (argc < 3) {
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printf("Usage: <ndata> <config>\n");
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return 0;
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}
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int n = atoi(argv[1]);
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rabit::Init(argc, argv);
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int rank = rabit::GetRank();
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int nproc = rabit::GetWorldSize();
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std::string name = rabit::GetProcessorName();
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test::Mock mock(rank, argv[2], argv[3]);
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utils::LogPrintf("[%d] start at %s\n", rank, name.c_str());
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TestMax(mock, n);
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utils::LogPrintf("[%d] !!!TestMax pass\n", rank);
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TestSum(mock, n);
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utils::LogPrintf("[%d] !!!TestSum pass\n", rank);
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for (int i = 0; i < nproc; i += nproc / 3) {
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TestBcast(mock, n, i);
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}
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utils::LogPrintf("[%d] !!!TestBcast pass\n", rank);
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rabit::Finalize();
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printf("[%d] all check pass\n", rank);
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return 0;
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}
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