[EM] Prevent init with CUDA malloc resource.

src/common/cuda_rt_utils.h

@@ -3,6 +3,11 @@
  */
 #pragma once
 #include <cstdint>  // for int32_t
+
+#if defined(XGBOOST_USE_NVTX)
+#include <nvtx3/nvtx3.hpp>
+#endif  // defined(XGBOOST_USE_NVTX)
+
 namespace xgboost::common {
 std::int32_t AllVisibleGPUs();
 
@@ -18,4 +23,36 @@ bool SupportsAts();
 void CheckComputeCapability();
 
 void SetDevice(std::int32_t device);
+
+struct NvtxDomain {
+  static constexpr char const *name{"libxgboost"};  // NOLINT
+};
+
+#if defined(XGBOOST_USE_NVTX)
+using NvtxScopedRange = ::nvtx3::scoped_range_in<NvtxDomain>;
+using NvtxEventAttr = ::nvtx3::event_attributes;
+using NvtxRgb = ::nvtx3::rgb;
+#else
+class NvtxScopedRange {
+ public:
+  template <typename... Args>
+  explicit NvtxScopedRange(Args &&...) {}
+};
+class NvtxEventAttr {
+ public:
+  template <typename... Args>
+  explicit NvtxEventAttr(Args &&...) {}
+};
+class NvtxRgb {
+ public:
+  template <typename... Args>
+  explicit NvtxRgb(Args &&...) {}
+};
+#endif  // defined(XGBOOST_USE_NVTX)
 }  // namespace xgboost::common
+
+#if defined(XGBOOST_USE_NVTX)
+#define xgboost_NVTX_FN_RANGE() NVTX3_FUNC_RANGE_IN(::xgboost::common::NvtxDomain)
+#else
+#define xgboost_NVTX_FN_RANGE()
+#endif  // defined(XGBOOST_USE_NVTX)

src/common/ref_resource_view.cuh

@@ -16,10 +16,17 @@ namespace xgboost::common {
  * @brief Make a fixed size `RefResourceView` with cudaMalloc resource.
  */
 template <typename T>
-[[nodiscard]] RefResourceView<T> MakeFixedVecWithCudaMalloc(Context const* ctx,
-                                                            std::size_t n_elements, T const& init) {
+[[nodiscard]] RefResourceView<T> MakeFixedVecWithCudaMalloc(Context const*,
+                                                            std::size_t n_elements) {
   auto resource = std::make_shared<common::CudaMallocResource>(n_elements * sizeof(T));
   auto ref = RefResourceView{resource->DataAs<T>(), n_elements, resource};
+  return ref;
+}
+
+template <typename T>
+[[nodiscard]] RefResourceView<T> MakeFixedVecWithCudaMalloc(Context const* ctx,
+                                                            std::size_t n_elements, T const& init) {
+  auto ref = MakeFixedVecWithCudaMalloc<T>(ctx, n_elements);
   thrust::fill_n(ctx->CUDACtx()->CTP(), ref.data(), ref.size(), init);
   return ref;
 }

src/common/resource.cuh

@@ -24,11 +24,9 @@ class CudaMallocResource : public ResourceHandler {
   }
   ~CudaMallocResource() noexcept(true) override { this->Clear(); }
 
-  void* Data() override { return storage_.data(); }
+  [[nodiscard]] void* Data() override { return storage_.data(); }
   [[nodiscard]] std::size_t Size() const override { return storage_.size(); }
-  void Resize(std::size_t n_bytes, std::byte init = std::byte{0}) {
-    this->storage_.resize(n_bytes, init);
-  }
+  void Resize(std::size_t n_bytes) { this->storage_.resize(n_bytes); }
 };
 
 class CudaMmapResource : public ResourceHandler {

src/common/timer.cc

@@ -6,9 +6,10 @@
 #include <utility>
 
 #include "../collective/communicator-inl.h"
+#include "cuda_rt_utils.h"
 
 #if defined(XGBOOST_USE_NVTX)
-#include <nvtx3/nvToolsExt.h>
+#include <nvtx3/nvtx3.hpp>
 #endif  // defined(XGBOOST_USE_NVTX)
 
 namespace xgboost::common {
@@ -17,8 +18,8 @@ void Monitor::Start(std::string const &name) {
     auto &stats = statistics_map_[name];
     stats.timer.Start();
 #if defined(XGBOOST_USE_NVTX)
-    std::string nvtx_name = "xgboost::" + label_ + "::" + name;
-    stats.nvtx_id = nvtxRangeStartA(nvtx_name.c_str());
+    auto range_handle = nvtx3::start_range_in<common::NvtxDomain>(label_ + "::" + name);
+    stats.nvtx_id = range_handle.get_value();
 #endif  // defined(XGBOOST_USE_NVTX)
   }
 }
@@ -29,34 +30,32 @@ void Monitor::Stop(const std::string &name) {
     stats.timer.Stop();
     stats.count++;
 #if defined(XGBOOST_USE_NVTX)
-    nvtxRangeEnd(stats.nvtx_id);
+    nvtx3::end_range_in<common::NvtxDomain>(nvtx3::range_handle{stats.nvtx_id});
 #endif  // defined(XGBOOST_USE_NVTX)
   }
 }
 
-void Monitor::PrintStatistics(StatMap const& statistics) const {
+void Monitor::PrintStatistics(StatMap const &statistics) const {
   for (auto &kv : statistics) {
     if (kv.second.first == 0) {
-      LOG(WARNING) <<
-          "Timer for " << kv.first << " did not get stopped properly.";
+      LOG(WARNING) << "Timer for " << kv.first << " did not get stopped properly.";
       continue;
     }
-    LOG(CONSOLE) << kv.first << ": " << static_cast<double>(kv.second.second) / 1e+6
-                 << "s, " << kv.second.first << " calls @ "
-                 << kv.second.second
-                 << "us" << std::endl;
+    LOG(CONSOLE) << kv.first << ": " << static_cast<double>(kv.second.second) / 1e+6 << "s, "
+                 << kv.second.first << " calls @ " << kv.second.second << "us" << std::endl;
   }
 }
 
 void Monitor::Print() const {
-  if (!ConsoleLogger::ShouldLog(ConsoleLogger::LV::kDebug)) { return; }
+  if (!ConsoleLogger::ShouldLog(ConsoleLogger::LV::kDebug)) {
+    return;
+  }
   auto rank = collective::GetRank();
   StatMap stat_map;
   for (auto const &kv : statistics_map_) {
     stat_map[kv.first] = std::make_pair(
-        kv.second.count, std::chrono::duration_cast<std::chrono::microseconds>(
-                             kv.second.timer.elapsed)
-                             .count());
+        kv.second.count,
+        std::chrono::duration_cast<std::chrono::microseconds>(kv.second.timer.elapsed).count());
   }
   if (stat_map.empty()) {
     return;

src/data/ellpack_page.cu

@@ -404,7 +404,7 @@ size_t EllpackPageImpl::Copy(Context const* ctx, EllpackPageImpl const* page, bs
     LOG(FATAL) << "Concatenating the same Ellpack.";
     return this->n_rows * this->row_stride;
   }
-  dh::LaunchN(num_elements, CopyPage{this, page, offset});
+  dh::LaunchN(num_elements, ctx->CUDACtx()->Stream(), CopyPage{this, page, offset});
   monitor_.Stop(__func__);
   return num_elements;
 }

src/data/ellpack_page_raw_format.cu

@@ -6,6 +6,7 @@
 #include <cstddef>  // for size_t
 #include <vector>   // for vector
 
+#include "../common/cuda_rt_utils.h"
 #include "../common/io.h"                   // for AlignedResourceReadStream, AlignedFileWriteStream
 #include "../common/ref_resource_view.cuh"  // for MakeFixedVecWithCudaMalloc
 #include "../common/ref_resource_view.h"    // for ReadVec, WriteVec
@@ -21,6 +22,8 @@ namespace {
 template <typename T>
 [[nodiscard]] bool ReadDeviceVec(common::AlignedResourceReadStream* fi,
                                  common::RefResourceView<T>* vec) {
+  xgboost_NVTX_FN_RANGE();
+
   std::uint64_t n{0};
   if (!fi->Read(&n)) {
     return false;
@@ -37,7 +40,7 @@ template <typename T>
   }
 
   auto ctx = Context{}.MakeCUDA(common::CurrentDevice());
-  *vec = common::MakeFixedVecWithCudaMalloc(&ctx, n, static_cast<T>(0));
+  *vec = common::MakeFixedVecWithCudaMalloc<T>(&ctx, n);
   dh::safe_cuda(cudaMemcpyAsync(vec->data(), ptr, n_bytes, cudaMemcpyDefault, dh::DefaultStream()));
   return true;
 }
@@ -50,6 +53,7 @@ template <typename T>
 
 [[nodiscard]] bool EllpackPageRawFormat::Read(EllpackPage* page,
                                               common::AlignedResourceReadStream* fi) {
+  xgboost_NVTX_FN_RANGE();
   auto* impl = page->Impl();
 
   impl->SetCuts(this->cuts_);
@@ -69,6 +73,8 @@ template <typename T>
 
 [[nodiscard]] std::size_t EllpackPageRawFormat::Write(const EllpackPage& page,
                                                       common::AlignedFileWriteStream* fo) {
+  xgboost_NVTX_FN_RANGE();
+
   std::size_t bytes{0};
   auto* impl = page.Impl();
   bytes += fo->Write(impl->n_rows);
@@ -84,22 +90,30 @@ template <typename T>
 }
 
 [[nodiscard]] bool EllpackPageRawFormat::Read(EllpackPage* page, EllpackHostCacheStream* fi) const {
+  xgboost_NVTX_FN_RANGE();
+
   auto* impl = page->Impl();
   CHECK(this->cuts_->cut_values_.DeviceCanRead());
   impl->SetCuts(this->cuts_);
-  RET_IF_NOT(fi->Read(&impl->n_rows));
-  RET_IF_NOT(fi->Read(&impl->is_dense));
-  RET_IF_NOT(fi->Read(&impl->row_stride));
 
-  // Read vec
+  // Read vector
   Context ctx = Context{}.MakeCUDA(common::CurrentDevice());
-  bst_idx_t n{0};
-  RET_IF_NOT(fi->Read(&n));
-  if (n != 0) {
-    impl->gidx_buffer =
-        common::MakeFixedVecWithCudaMalloc(&ctx, n, static_cast<common::CompressedByteT>(0));
+  auto read_vec = [&] {
+    common::NvtxScopedRange range{common::NvtxEventAttr{"read-vec", common::NvtxRgb{127, 255, 0}}};
+    bst_idx_t n{0};
+    RET_IF_NOT(fi->Read(&n));
+    if (n == 0) {
+      return true;
+    }
+    impl->gidx_buffer = common::MakeFixedVecWithCudaMalloc<common::CompressedByteT>(&ctx, n);
     RET_IF_NOT(fi->Read(impl->gidx_buffer.data(), impl->gidx_buffer.size_bytes()));
-  }
+    return true;
+  };
+  RET_IF_NOT(read_vec());
+
+  RET_IF_NOT(fi->Read(&impl->n_rows));
+  RET_IF_NOT(fi->Read(&impl->is_dense));
+  RET_IF_NOT(fi->Read(&impl->row_stride));
   RET_IF_NOT(fi->Read(&impl->base_rowid));
 
   dh::DefaultStream().Sync();
@@ -108,19 +122,27 @@ template <typename T>
 
 [[nodiscard]] std::size_t EllpackPageRawFormat::Write(const EllpackPage& page,
                                                       EllpackHostCacheStream* fo) const {
+  xgboost_NVTX_FN_RANGE();
+
   bst_idx_t bytes{0};
   auto* impl = page.Impl();
-  bytes += fo->Write(impl->n_rows);
-  bytes += fo->Write(impl->is_dense);
-  bytes += fo->Write(impl->row_stride);
 
   // Write vector
-  bst_idx_t n = impl->gidx_buffer.size();
-  bytes += fo->Write(n);
+  auto write_vec = [&] {
+    common::NvtxScopedRange range{common::NvtxEventAttr{"write-vec", common::NvtxRgb{127, 255, 0}}};
+    bst_idx_t n = impl->gidx_buffer.size();
+    bytes += fo->Write(n);
 
-  if (!impl->gidx_buffer.empty()) {
-    bytes += fo->Write(impl->gidx_buffer.data(), impl->gidx_buffer.size_bytes());
-  }
+    if (!impl->gidx_buffer.empty()) {
+      bytes += fo->Write(impl->gidx_buffer.data(), impl->gidx_buffer.size_bytes());
+    }
+  };
+
+  write_vec();
+
+  bytes += fo->Write(impl->n_rows);
+  bytes += fo->Write(impl->is_dense);
+  bytes += fo->Write(impl->row_stride);
   bytes += fo->Write(impl->base_rowid);
 
   dh::DefaultStream().Sync();

tests/ci_build/conda_env/macos_cpu_test.yml

@@ -37,4 +37,5 @@ dependencies:
 - pyspark>=3.4.0
 - cloudpickle
 - pip:
+  - setuptools
   - sphinx_rtd_theme