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Support column split in GPU evaluate splits (#9511)

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This commit is contained in:
Rong Ou
2023-08-23 01:33:43 -07:00
committed by GitHub
parent 8c10af45a0
commit 6103dca0bb
11 changed files with 240 additions and 113 deletions
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24
tests/cpp/plugin/test_federated_adapter.cu
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@@ -11,8 +11,8 @@
#include "../../../plugin/federated/federated_communicator.h"
#include "../../../src/collective/communicator-inl.cuh"
#include "../../../src/collective/device_communicator_adapter.cuh"
#include "./helpers.h"
#include "../helpers.h"
#include "./helpers.h"
namespace xgboost::collective {
@@ -45,6 +45,28 @@ TEST_F(FederatedAdapterTest, MGPUAllReduceSum) {
RunWithFederatedCommunicator(kWorldSize, server_->Address(), &VerifyAllReduceSum);
}
namespace {
void VerifyAllGather() {
auto const world_size = collective::GetWorldSize();
auto const rank = collective::GetRank();
auto const device = GPUIDX;
common::SetDevice(device);
thrust::device_vector<double> send_buffer(1, rank);
thrust::device_vector<double> receive_buffer(world_size, 0);
collective::AllGather(device, send_buffer.data().get(), receive_buffer.data().get(),
sizeof(double));
thrust::host_vector<double> host_buffer = receive_buffer;
EXPECT_EQ(host_buffer.size(), world_size);
for (auto i = 0; i < world_size; i++) {
EXPECT_EQ(host_buffer[i], i);
}
}
} // anonymous namespace
TEST_F(FederatedAdapterTest, MGPUAllGather) {
RunWithFederatedCommunicator(kWorldSize, server_->Address(), &VerifyAllGather);
}
namespace {
void VerifyAllGatherV() {
auto const world_size = collective::GetWorldSize();