amorfo77/json
1
0 Fork 0
mirror of https://github.com/nlohmann/json.git synced 2026-10-12 01:17:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'json-view/16-view-simd' into json-view/19-edit-set

Browse Source 
Signed-off-by: Niels Lohmann <mail@nlohmann.me>

# Conflicts:
#	include/nlohmann/detail/view/document_data.hpp
#	single_include/nlohmann/json_view.hpp
This commit is contained in:
Niels Lohmann committed 2026-10-08 16:33:54 +02:00
2 parents 2105149798 4f1c34e44d
commit 9962b3cf43
43 files changed
+669 -175
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

single_include/nlohmann/json_view.hpp
+12 -7
View File
@@ -305,8 +305,8 @@ struct document_data
std::size_t tape_cap = 0;
node* inline_tape = nullptr; ///< node array allocated together with this header
std::size_t inline_cap = 0;
std::string arena{}; ///< decoded strings that contained escapes // NOLINT(readability-redundant-member-init)
std::string owned{}; ///< owned copy of the input, if any // NOLINT(readability-redundant-member-init)
std::string arena; ///< decoded strings that contained escapes
std::string owned; ///< owned copy of the input, if any
// hash indexes of large objects (see object_index.hpp)
static constexpr std::uint32_t index_min_members = 128;
@@ -315,9 +315,9 @@ struct document_data
std::size_t start; ///< first slot in index_slots
std::uint32_t mask; ///< slot count - 1 (a power of two minus one)
};
std::vector<object_index> indexes{}; // NOLINT(readability-redundant-member-init)
std::vector<std::uint32_t> index_slots{}; // NOLINT(readability-redundant-member-init)
std::vector<std::uint32_t> large_objects{}; ///< positions of the objects to index (noted while parsing) // NOLINT(readability-redundant-member-init)
std::vector<object_index> indexes;
std::vector<std::uint32_t> index_slots;
std::vector<std::uint32_t> large_objects; ///< positions of the objects to index (noted while parsing)
std::array<const char*, 4> base = {{nullptr, nullptr, nullptr, nullptr}}; ///< string bases: source, arena, edit arena (indexed by flags & node_flags::storage)
bool discarded = true;
@@ -557,6 +557,9 @@ NLOHMANN_JSON_NAMESPACE_END
// used where the CPU has SSSE3 (all x86-64 CPUs since about 2011), else the
// portable check. JSON_VIEW_USE_SSSE3 skips the CPU check (for code compiled
// for SSSE3 anyway); JSON_VIEW_NO_SIMD selects the portable code.
// NLOHMANN_VIEW_NO_TARGET_ATTRIBUTE (set by the GCC module interface, where GCC
// ignores the target attribute and then rejects the SSSE3 intrinsics) keeps the
// check portable without disabling the SSE2 code.
#if !defined(JSON_VIEW_NO_SIMD) && defined(__aarch64__) && (defined(__GNUC__) || defined(__clang__)) && NLOHMANN_VIEW_LITTLE_ENDIAN
#include <arm_neon.h>
#define NLOHMANN_VIEW_NEON 1
@@ -575,7 +578,7 @@ NLOHMANN_JSON_NAMESPACE_END
#else
#define NLOHMANN_VIEW_SSSE3 0 // NOLINT(cppcoreguidelines-macro-to-enum,modernize-macro-to-enum)
#endif
#if NLOHMANN_VIEW_SSE2 && !NLOHMANN_VIEW_SSSE3 && ((defined(__clang__) && __clang_major__ >= 4) || (defined(__GNUC__) && !defined(__clang__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))))
#if NLOHMANN_VIEW_SSE2 && !NLOHMANN_VIEW_SSSE3 && !defined(NLOHMANN_VIEW_NO_TARGET_ATTRIBUTE) && ((defined(__clang__) && __clang_major__ >= 4) || (defined(__GNUC__) && !defined(__clang__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))))
// (GCC before 4.9 has no SSSE3 intrinsics without -mssse3)
#include <cpuid.h>
#include <tmmintrin.h>
@@ -933,7 +936,9 @@ NLOHMANN_VIEW_ALWAYS_INLINE const unsigned char* scan_string_run(const unsigned
#define NLOHMANN_VIEW_STEP(i) if (NLOHMANN_VIEW_LIKELY(plain[p[i]] != 0)) {} else { p += (i); goto stop; }
NLOHMANN_VIEW_STEP(0) NLOHMANN_VIEW_STEP(1) NLOHMANN_VIEW_STEP(2) NLOHMANN_VIEW_STEP(3)
NLOHMANN_VIEW_STEP(4) NLOHMANN_VIEW_STEP(5) NLOHMANN_VIEW_STEP(6) NLOHMANN_VIEW_STEP(7)
if (!Value || !NLOHMANN_VIEW_VECTOR)
#if NLOHMANN_VIEW_VECTOR
if (!Value) // (a plain `!Value || !NLOHMANN_VIEW_VECTOR` is a constant condition for MSVC, C4127)
#endif
{
NLOHMANN_VIEW_STEP(8) NLOHMANN_VIEW_STEP(9) NLOHMANN_VIEW_STEP(10) NLOHMANN_VIEW_STEP(11)
NLOHMANN_VIEW_STEP(12) NLOHMANN_VIEW_STEP(13) NLOHMANN_VIEW_STEP(14) NLOHMANN_VIEW_STEP(15)