Implement iterators over .hic files

.github/workflows/windows-ci.yml

@@ -153,8 +153,9 @@ jobs:
                 --schedule-random   \
                 --output-on-failure \
                 --no-tests=error    \
-                --timeout 300 |&
-          head -n 1000
+                --timeout 180       \
+                --exclude-regex '(HiC: pixel selector fetch.*)|(Cooler: dataset large read\/write.*)' |&
+          tail -n 1000
 
   windows-ci-status-check:
     name: Status Check (Windows CI)

CMakeLists.txt

@@ -113,17 +113,17 @@ add_subdirectory(src)
 
 if(HICTK_ENABLE_TESTING)
   enable_testing()
-  message(STATUS "-- Building unit tests.")
+  message(STATUS "Building unit tests.")
   target_compile_definitions(hictk_project_options INTERFACE HICTK_ENABLE_TESTING)
   add_subdirectory(test)
 endif()
 
 if(HICTK_BUILD_EXAMPLES)
-  message(STATUS "-- Building examples.")
+  message(STATUS "Building examples.")
   # add_subdirectory(examples)
 endif()
 
 if(HICTK_BUILD_BENCHMARKS)
   message(STATUS "Building benchmarks.")
-  # add_subdirectory(benchmarks)
+  add_subdirectory(benchmark)
 endif()

benchmark/CMakeLists.txt

@@ -0,0 +1,5 @@
+# Copyright (C) 2023 Roberto Rossini <roberros@uio.no>
+#
+# SPDX-License-Identifier: MIT
+
+add_subdirectory(hic)

benchmark/hic/CMakeLists.txt

@@ -0,0 +1,19 @@
+# Copyright (C) 2022 Roberto Rossini <roberros@uio.no>
+#
+# SPDX-License-Identifier: MIT
+
+find_package(CLI11 REQUIRED QUIET)
+find_package(Filesystem REQUIRED)
+
+add_executable(hictk_hic_dump_bench dump.cpp)
+
+target_link_libraries(
+  hictk_hic_dump_bench
+  PRIVATE hictk_project_warnings hictk_project_options
+  PUBLIC hictk::hic)
+
+target_link_system_libraries(
+  hictk_hic_dump_bench
+  PUBLIC
+  CLI11::CLI11
+  std::filesystem)

benchmark/hic/dump.cpp

@@ -0,0 +1,97 @@
+// Copyright (C) 2023 Roberto Rossini <roberros@uio.no>
+//
+// SPDX-License-Identifier: MIT
+
+#include <fmt/format.h>
+
+#include <CLI/CLI.hpp>
+#include <chrono>
+#include <cstdint>
+
+#include "hictk/hic.hpp"
+
+using namespace hictk;
+
+struct Config {
+  std::string path_to_hic{};
+  std::vector<std::uint32_t> resolutions{};
+
+  std::size_t target_num_records{1'000'000};
+  bool genome_wide{};
+  std::vector<std::size_t> block_cache_sizes{25'000'000};
+};
+
+static void dump_genome_wide(const std::string& path_to_hic, std::uint32_t resolution,
+                             std::size_t target_num_records, std::size_t block_cache_size) {
+  hic::HiCFile hf(path_to_hic, resolution, hic::MatrixType::observed, hic::MatrixUnit::BP,
+                  block_cache_size);
+  auto sel = hf.fetch();
+
+  const auto t0 = std::chrono::steady_clock::now();
+  auto first = sel.begin<float>();
+  auto last = sel.end<float>();
+
+  std::size_t i = 0;
+  for (; i < target_num_records && first != last; ++i) {
+    std::ignore = ++first;
+  }
+
+  const auto t1 = std::chrono::steady_clock::now();
+
+  const auto delta =
+      static_cast<double>(std::chrono::duration_cast<std::chrono::microseconds>(t1 - t0).count()) /
+      1.0e6;
+  fmt::print(FMT_STRING("{}\t{}\t{}\t{}\t{}\n"), path_to_hic, resolution, i, block_cache_size,
+             delta);
+}
+
+static void dump(const std::string& path_to_hic, std::uint32_t resolution,
+                 std::size_t target_num_records, std::size_t block_cache_size) {
+  hic::HiCFile const hf(path_to_hic, resolution, hic::MatrixType::observed, hic::MatrixUnit::BP,
+                        block_cache_size);
+  auto sel = hf.fetch("chr1");
+
+  const auto t0 = std::chrono::steady_clock::now();
+  auto first = sel.begin<float>();
+  auto last = sel.end<float>();
+
+  std::size_t i = 0;
+  for (; i < target_num_records && first != last; ++i) {
+    std::ignore = ++first;
+  }
+
+  const auto t1 = std::chrono::steady_clock::now();
+
+  const auto delta =
+      static_cast<double>(std::chrono::duration_cast<std::chrono::microseconds>(t1 - t0).count()) /
+      1.0e6;
+  fmt::print(FMT_STRING("{}\t{}\t{}\t{}\t{}\n"), path_to_hic, resolution, i, block_cache_size,
+             delta);
+}
+
+int main(int argc, char** argv) {
+  CLI::App cli{};
+
+  Config c{};
+
+  cli.add_option("hic", c.path_to_hic, "Path to a .hic file.");
+  cli.add_option("resolution", c.resolutions, "Resolution in bp.");
+  cli.add_option("--target-num-records", c.target_num_records, "")->capture_default_str();
+  cli.add_option("--block-cache-size", c.block_cache_sizes, "")->capture_default_str();
+  cli.add_flag("--genome-wide", c.genome_wide, "")->capture_default_str();
+
+  try {
+    cli.parse(argc, argv);
+
+    fmt::print(FMT_STRING("file\tresolution\tnum_records\tblock_cache_size\ttime\n"));
+    for (const auto& resolution : c.resolutions) {
+      for (const auto& block_size : c.block_cache_sizes) {
+        c.genome_wide
+            ? dump_genome_wide(c.path_to_hic, resolution, c.target_num_records, block_size)
+            : dump(c.path_to_hic, resolution, c.target_num_records, block_size);
+      }
+    }
+  } catch (const CLI::ParseError& e) {
+    return cli.exit(e);
+  }
+}

conanfile.txt

@@ -10,7 +10,7 @@ fmt/10.0.0
 hdf5/1.14.0
 highfive/2.7.1
 libdeflate/1.18
-tsl-ordered-map/1.1.0
+span-lite/0.10.3
 zlib/1.2.13
 
 [generators]

src/bin_table/bin_table_impl.hpp

@@ -22,16 +22,17 @@
 namespace hictk {  // NOLINT
 
 inline Bin::Bin(const Chromosome &chrom_, std::uint32_t start_, std::uint32_t end_) noexcept
-    : Bin(Bin::null_id, chrom_, start_, end_) {}
+    : Bin(Bin::null_id, Bin::rel_null_id, chrom_, start_, end_) {}
 
-inline Bin::Bin(std::uint64_t id_, const Chromosome &chrom_, std::uint32_t start_,
-                std::uint32_t end_) noexcept
-    : _id(id_), _interval(chrom_, start_, end_) {}
+inline Bin::Bin(std::uint64_t id_, std::uint32_t rel_id_, const Chromosome &chrom_,
+                std::uint32_t start_, std::uint32_t end_) noexcept
+    : _id(id_), _rel_id(rel_id_), _interval(chrom_, start_, end_) {}
 
-inline Bin::Bin(GenomicInterval interval) noexcept : Bin(Bin::null_id, std::move(interval)) {}
+inline Bin::Bin(GenomicInterval interval) noexcept
+    : Bin(Bin::null_id, Bin::rel_null_id, std::move(interval)) {}
 
-inline Bin::Bin(std::uint64_t id_, GenomicInterval interval) noexcept
-    : _id(id_), _interval(std::move(interval)) {}
+inline Bin::Bin(std::uint64_t id_, std::uint32_t rel_id_, GenomicInterval interval) noexcept
+    : _id(id_), _rel_id(rel_id_), _interval(std::move(interval)) {}
 
 inline Bin::operator bool() const noexcept { return !!this->chrom(); }
 
@@ -72,6 +73,7 @@ inline bool Bin::operator>=(const Bin &other) const noexcept {
 }
 
 constexpr std::uint64_t Bin::id() const noexcept { return this->_id; }
+constexpr std::uint32_t Bin::rel_id() const noexcept { return this->_rel_id; }
 inline const GenomicInterval &Bin::interval() const noexcept { return this->_interval; }
 inline const Chromosome &Bin::chrom() const noexcept { return this->interval().chrom(); }
 constexpr std::uint32_t Bin::start() const noexcept { return this->_interval.start(); }
@@ -214,7 +216,7 @@ inline Bin BinTable::at_hint(std::uint64_t bin_id, const Chromosome &chrom) cons
   assert(start < chrom.size());
   const auto end = (std::min)(start + this->bin_size(), chrom.size());
 
-  return {bin_id, chrom, start, end};
+  return {bin_id, static_cast<std::uint32_t>(relative_bin_id), chrom, start, end};
 }
 
 inline std::pair<Bin, Bin> BinTable::at(const GenomicInterval &gi) const {

src/bin_table/include/hictk/bin_table.hpp

@@ -19,18 +19,20 @@ namespace hictk {
 class Bin {
  public:
   static constexpr std::uint64_t null_id{(std::numeric_limits<std::uint64_t>::max)()};
+  static constexpr std::uint32_t rel_null_id{(std::numeric_limits<std::uint32_t>::max)()};
 
  private:
   std::uint64_t _id{null_id};
+  std::uint32_t _rel_id{rel_null_id};
   GenomicInterval _interval{};
 
  public:
   constexpr Bin() = default;
   Bin(const Chromosome &chrom_, std::uint32_t start_, std::uint32_t end) noexcept;
-  Bin(std::uint64_t id_, const Chromosome &chrom_, std::uint32_t start_,
+  Bin(std::uint64_t id_, std::uint32_t rel_id_, const Chromosome &chrom_, std::uint32_t start_,
       std::uint32_t end_) noexcept;
   explicit Bin(GenomicInterval interval) noexcept;
-  Bin(std::uint64_t id, GenomicInterval interval) noexcept;
+  Bin(std::uint64_t id_, std::uint32_t rel_id_, GenomicInterval interval) noexcept;
 
   [[nodiscard]] explicit operator bool() const noexcept;
 
@@ -44,6 +46,7 @@ class Bin {
   [[nodiscard]] bool operator>=(const Bin &other) const noexcept;
 
   [[nodiscard]] constexpr std::uint64_t id() const noexcept;
+  [[nodiscard]] constexpr std::uint32_t rel_id() const noexcept;
   [[nodiscard]] const GenomicInterval &interval() const noexcept;
   [[nodiscard]] const Chromosome &chrom() const noexcept;
   [[nodiscard]] constexpr std::uint32_t start() const noexcept;

src/common/include/hictk/common.hpp

@@ -15,6 +15,7 @@ namespace hictk {
 
 inline const std::string_view HICTK_VERSION_STRING{hictk::config::version::str()};
 
+namespace cooler {
 // Magic values
 inline constexpr std::string_view COOL_MAGIC{"HDF5::Cooler"};
 inline constexpr std::string_view MCOOL_MAGIC{"HDF5::MCOOL"};
@@ -58,6 +59,8 @@ inline constexpr std::string_view SENTINEL_ATTR_NAME{"format-version"};
 inline constexpr std::uint8_t SENTINEL_ATTR_VALUE{255};
 }  // namespace internal
 
+}  // namespace cooler
+
 [[nodiscard]] constexpr bool ndebug_defined() noexcept {
 #ifdef NDEBUG
   return true;

src/cooler/attribute_impl.hpp

@@ -26,7 +26,7 @@
 #include "hictk/suppress_warnings.hpp"
 #include "hictk/type_pretty_printer.hpp"
 
-namespace hictk {
+namespace hictk::cooler {
 
 template <typename ParentObj>
 inline bool Attribute::exists(ParentObj& h5obj, std::string_view key) {
@@ -129,6 +129,7 @@ DISABLE_WARNING_UNREACHABLE_CODE
 template <typename T1, typename Tout, typename Tin>
 // NOLINTNEXTLINE(readability-function-cognitive-complexity)
 inline Tout Attribute::numeric_converter(T1& buff) {
+  using namespace hictk::internal;
   static_assert(!std::is_same_v<Tin, std::monostate>);
 
   if constexpr (std::is_same_v<Tin, Tout>) {
@@ -143,12 +144,12 @@ inline Tout Attribute::numeric_converter(T1& buff) {
   if constexpr (std::is_same_v<Tin, std::string> && std::is_arithmetic_v<Tout>) {
     // Try to convert a string attribute to the appropriate numeric type
     try {
-      return internal::parse_numeric_or_throw<Tout>(buff);
+      return parse_numeric_or_throw<Tout>(buff);
     } catch (const std::exception& e) {
       throw std::runtime_error(
           fmt::format(FMT_STRING("Expected type {}, found std::string. An attempt to convert "
                                  "std::string to {} was made, but failed. Reason {}"),
-                      internal::type_name<Tout>(), internal::type_name<Tin>(), e.what()));
+                      type_name<Tout>(), type_name<Tin>(), e.what()));
     }
   }
 
@@ -163,8 +164,7 @@ inline Tout Attribute::numeric_converter(T1& buff) {
     throw std::runtime_error(
         fmt::format(FMT_STRING("Expected type {}, found {}. Unable to represent value {} as {} "
                                "without information loss"),
-                    internal::type_name<Tout>(), internal::type_name<Tin>(), buff,
-                    internal::type_name<Tout>()));
+                    type_name<Tout>(), type_name<Tin>(), buff, type_name<Tout>()));
   }
 
   if constexpr (std::is_integral_v<Tin> && std::is_integral_v<Tout>) {
@@ -189,16 +189,14 @@ inline Tout Attribute::numeric_converter(T1& buff) {
     throw std::runtime_error(fmt::format(
         FMT_STRING(
             "Expected type {}, found {}. Unable to represent value {} as {} without overflowing"),
-        internal::type_name<Tout>(), internal::type_name<Tin>(), buff,
-        internal::type_name<Tout>()));
+        type_name<Tout>(), type_name<Tin>(), buff, type_name<Tout>()));
   }
   // No conversion was possible
   throw std::runtime_error(fmt::format(
       FMT_STRING(
           "Expected type {}, found {}. Unable to safely convert value {} of type {} to type {}"),
-      internal::type_name<Tout>(), internal::type_name<Tin>(), buff, internal::type_name<Tin>(),
-      internal::type_name<Tout>()));
+      type_name<Tout>(), type_name<Tin>(), buff, type_name<Tin>(), type_name<Tout>()));
 }
 DISABLE_WARNING_POP
 
-}  // namespace hictk
+}  // namespace hictk::cooler

src/cooler/balancing_impl.hpp

@@ -12,7 +12,7 @@
 #include <string_view>
 #include <utility>
 
-namespace hictk {
+namespace hictk::cooler {
 
 inline Weights::Weights(std::vector<double> weights, Type type) noexcept
     : _weights(std::move(weights)), _type(type) {
@@ -252,4 +252,4 @@ inline auto Balancer<N, CHUNK_SIZE>::iterator::operator++(int) -> iterator {
   return it;
 }
 
-}  // namespace hictk
+}  // namespace hictk::cooler

src/cooler/dataset_accessors_impl.hpp

@@ -10,7 +10,7 @@
 #include <highfive/H5DataSet.hpp>
 #include <highfive/H5DataType.hpp>
 
-namespace hictk {
+namespace hictk::cooler {
 
 inline HighFive::DataSet Dataset::operator()() { return this->_dataset; }
 
@@ -95,4 +95,4 @@ inline auto Dataset::cend() const -> iterator<T, CHUNK_SIZE> {
   return this->end<T, CHUNK_SIZE>();
 }
 
-}  // namespace hictk
+}  // namespace hictk::cooler

src/cooler/dataset_impl.hpp

@@ -19,7 +19,7 @@
 
 #include "hictk/common.hpp"
 
-namespace hictk {
+namespace hictk::cooler {
 
 namespace internal {
 
@@ -180,4 +180,4 @@ inline HighFive::Selection Dataset::select(std::size_t i1, std::size_t i2) const
   return this->_dataset.select(std::vector<std::size_t>{i1}, std::vector<std::size_t>{i2});
 }
 
-}  // namespace hictk
+}  // namespace hictk::cooler

src/cooler/dataset_iterator_impl.hpp

@@ -19,7 +19,7 @@
 #include "hictk/common.hpp"
 #include "hictk/type_pretty_printer.hpp"
 
-namespace hictk {
+namespace hictk::cooler {
 
 template <typename T, std::size_t CHUNK_SIZE>
 inline Dataset::iterator<T, CHUNK_SIZE>::iterator(const Dataset &dset, std::size_t h5_offset,
@@ -286,4 +286,4 @@ constexpr auto Dataset::iterator<T, CHUNK_SIZE>::make_end_iterator(const Dataset
   return it;
 }
 
-}  // namespace hictk
+}  // namespace hictk::cooler