v4.4.0

CMakeLists.txt

@@ -12,7 +12,7 @@ endif()
 project(
     simdjson
     # The version number is modified by tools/release.py
-    VERSION 4.3.1
+    VERSION 4.4.0
     DESCRIPTION "Parsing gigabytes of JSON per second"
     HOMEPAGE_URL "https://simdjson.org/"
     LANGUAGES CXX C
@@ -29,8 +29,8 @@ string(
 # ---- Options, variables ----
 
 # These version numbers are modified by tools/release.py
-set(SIMDJSON_LIB_VERSION "30.0.0" CACHE STRING "simdjson library version")
-set(SIMDJSON_LIB_SOVERSION "30" CACHE STRING "simdjson library soversion")
+set(SIMDJSON_LIB_VERSION "31.0.0" CACHE STRING "simdjson library version")
+set(SIMDJSON_LIB_SOVERSION "31" CACHE STRING "simdjson library soversion")
 
 option(SIMDJSON_BUILD_STATIC_LIB "Build simdjson_static library along with simdjson (only makes sense if BUILD_SHARED_LIBS=ON)" OFF)
 if(SIMDJSON_BUILD_STATIC_LIB AND NOT BUILD_SHARED_LIBS)

Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = simdjson
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "4.3.1"
+PROJECT_NUMBER         = "4.4.0"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

include/simdjson/simdjson_version.h

@@ -4,7 +4,7 @@
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.3.1"
+#define SIMDJSON_VERSION "4.4.0"
 
 namespace simdjson {
 enum {
@@ -15,11 +15,11 @@ enum {
   /**
    * The minor version (major.MINOR.revision) of simdjson being used.
    */
-  SIMDJSON_VERSION_MINOR = 3,
+  SIMDJSON_VERSION_MINOR = 4,
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 1
+  SIMDJSON_VERSION_REVISION = 0
 };
 } // namespace simdjson
 

singleheader/simdjson.cpp

@@ -1,4 +1,4 @@
-/* auto-generated on 2026-02-20 16:16:37 -0500. version 4.3.1 Do not edit! */
+/* auto-generated on 2026-03-12 20:40:43 -0400. version 4.4.0 Do not edit! */
 /* including simdjson.cpp:  */
 /* begin file simdjson.cpp */
 #define SIMDJSON_SRC_SIMDJSON_CPP
@@ -146,7 +146,6 @@
 #define SIMDJSON_CONSTEVAL 0
 #endif // defined(__cpp_consteval) && __cpp_consteval >= 201811L && defined(__cpp_lib_constexpr_string) && __cpp_lib_constexpr_string >= 201907L
 #endif // !defined(SIMDJSON_CONSTEVAL)
-
 #endif // SIMDJSON_COMPILER_CHECK_H
 /* end file simdjson/compiler_check.h */
 /* including simdjson/portability.h: #include "simdjson/portability.h" */
@@ -219,6 +218,25 @@ using std::size_t;
   #define SIMDJSON_IS_LASX 1 // We can always run both
 #elif defined(__loongarch_sx)
   #define SIMDJSON_IS_LSX 1
+
+// Adjust for runtime dispatching support.
+#if defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER) && !defined(__NVCOMPILER)
+#if __GNUC__ > 15 || (__GNUC__ == 15 && __GNUC_MINOR__ >= 0)
+  // We are ok, we will support runtime dispatch for LASX.
+#else
+  // We disable runtime dispatch for LASX, which means that we will not be able to use LASX
+  // even if it is supported by the hardware.
+  // Loongson users should update to GCC 15 or better.
+  #define SIMDJSON_IMPLEMENTATION_LASX 0
+#endif
+#else
+  // We are not using GCC, so we assume that we can support runtime dispatch for LASX.
+  // https://godbolt.org/z/jcMnrjYhs
+  #define SIMDJSON_IMPLEMENTATION_LASX 0
+#endif
+
+
+
 #endif
 #elif defined(__PPC64__) || defined(_M_PPC64)
 #define SIMDJSON_IS_PPC64 1
@@ -60938,6 +60956,19 @@ simdjson_inline int leading_zeroes(uint64_t input_num) {
 #endif// _MSC_VER
 }
 
+simdjson_inline int trailing_zeroes(uint64_t input_num) {
+#ifdef _MSC_VER
+  unsigned long trailing_zero = 0;
+  // Search the mask data from least significant bit (LSB)
+  // to most significant bit (MSB) for a set bit (1).
+  if (_BitScanForward64(&trailing_zero, input_num))
+    return (int)trailing_zero;
+  else    return 64;
+#else
+  return __builtin_ctzll(input_num);
+#endif// _MSC_VER
+}
+
 } // unnamed namespace
 } // namespace fallback
 } // namespace simdjson
@@ -63169,6 +63200,19 @@ simdjson_inline int leading_zeroes(uint64_t input_num) {
 #endif// _MSC_VER
 }
 
+simdjson_inline int trailing_zeroes(uint64_t input_num) {
+#ifdef _MSC_VER
+  unsigned long trailing_zero = 0;
+  // Search the mask data from least significant bit (LSB)
+  // to most significant bit (MSB) for a set bit (1).
+  if (_BitScanForward64(&trailing_zero, input_num))
+    return (int)trailing_zero;
+  else    return 64;
+#else
+  return __builtin_ctzll(input_num);
+#endif// _MSC_VER
+}
+
 } // unnamed namespace
 } // namespace fallback
 } // namespace simdjson