minor patch which allows us to pass mutable strings to simdjson::from… (#2448)

* minor patch which allows us to pass mutable strings to simdjson::from and fix
an issue with ambiguous integrals

* compatibility patch.

.gitignore

@@ -88,7 +88,6 @@ objs
 # Build outputs
 /build*/
 /visual_studio/
-/originbuild/
 
 # Fuzzer outputs generated by instructions in fuzz/Fuzzing.md
 /corpus.zip

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.14)
 project(
     simdjson
     # The version number is modified by tools/release.py
-    VERSION 4.0.2
+    VERSION 4.0.3
     DESCRIPTION "Parsing gigabytes of JSON per second"
     HOMEPAGE_URL "https://simdjson.org/"
     LANGUAGES CXX C

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         = "4.0.2"
+PROJECT_NUMBER         = "4.0.3"
 
 # 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

README.md

@@ -117,9 +117,10 @@ Godbolt
 -------------
 
 Some users may want to browse code along with the compiled assembly. You want to check out the following lists of examples:
+* [C++26 reflection example](https://godbolt.org/z/K3Px64TqK)
 * [simdjson examples with errors handled through exceptions](https://godbolt.org/z/7G5qE4sr9)
 * [simdjson examples with errors without exceptions](https://godbolt.org/z/e9dWb9E4v)
-* [C++26 reflection example](https://godbolt.org/z/xK5TGKdPb)
+ 
 
 Performance results
 -------------------

benchmark/static_reflect/CMakeLists.txt

@@ -6,8 +6,9 @@ CPMAddPackage(
   EXCLUDE_FROM_ALL YES
 )
 
+option(SIMDJSON_USE_RUST "Build the static_reflect benchmark" OFF)
 
-
+if(SIMDJSON_USER_RUST)
   if(NOT WIN32)
   # We want the check whether Rust is available before trying to build a crate.
   CPMAddPackage(
@@ -38,6 +39,9 @@ else()
       message(STATUS "curl https://sh.rustup.rs -sSf | sh")
     endif()
   endif()
+else(SIMDJSON_USER_RUST)
+  message(STATUS "We will not benchmark serde-benchmark." )
+endif(SIMDJSON_USER_RUST)
 
 # Add the benchmark executable targets
 add_subdirectory(twitter_benchmark)

cmake/implementation-flags.cmake

@@ -1,7 +1,7 @@
 #
 # Implementation selection
 #
-set(SIMDJSON_ALL_IMPLEMENTATIONS fallback westmere haswell icelake arm64 ppc64 rvv)
+set(SIMDJSON_ALL_IMPLEMENTATIONS fallback westmere haswell icelake arm64 ppc64)
 
 set(
     SIMDJSON_IMPLEMENTATION ""
@@ -15,7 +15,7 @@ set(
     SIMDJSON_EXCLUDE_IMPLEMENTATION ""
     CACHE STRING "\
 Semicolon-separated list of implementations to exclude \
-(icelake/haswell/westmere/arm64/ppc64/rvv/fallback). By default, excludes any \
+(icelake/haswell/westmere/arm64/ppc64/fallback). By default, excludes any \
 implementations that are unsupported at compile time or cannot be selected at \
 runtime."
 )

doc/basics.md

@@ -1395,7 +1395,7 @@ Car c = doc.get<Car>();
 
 We try to automate the parsing of any given structure or class
 by looking at its non-static public members. At compile-time,
-the library looks at a simple structre like `Car` and
+the library looks at a simple structure like `Car` and
 maps it to parsing code. We call the default constructor,
 and then assign values to the public members.
 
@@ -1450,7 +1450,7 @@ struct complicated_weather_data {
 };
 ```
 
-The code might as simple as the following.
+The code might be as simple as the following.
 
 ```cpp
 auto padded = R"({"time":["2023-03-15T12:00:00Z"],"temperature":[42]})"_padded;

doc/builder.md

@@ -41,7 +41,7 @@ Parameters:
 - `append_raw(std::string_view input)`: Appends a string view directly to the JSON buffer without escaping.
 - `append_raw(const char *str, size_t len)`: Appends a specified number of characters from a C string directly to the JSON
 
-After writting the content, if you have reasons to believe that the content might violate UTF-8 conventions, you can check it as follows:
+After writing the content, if you have reasons to believe that the content might violate UTF-8 conventions, you can check it as follows:
 
 - `validate_unicode()`: Checks if the content in the JSON buffer is valid UTF-8. Returns: true if the content is valid UTF-8, false otherwise.
 

doc/dom.md

@@ -129,7 +129,7 @@ Once you have an element, you can navigate it with idiomatic C++ iterators, oper
   The strings contain unescaped valid UTF-8 strings: no unmatched surrogate is allowed.
   Internally, numbers are stored as either 64-bit integers or 64-bit floating-point numbers.
   Thus it is possible to get the full 64-bit integer range (either signed or  unsigned).
-  By default, the string `-0` is parsed as the integer 0 as in Pytho or C++. If you set the macro
+  By default, the string `-0` is parsed as the integer 0 as in Python or C++. If you set the macro
   `SIMDJSON_MINUS_ZERO_AS_FLOAT` to `1` when building simdjson, you can get that `-0` is mapped to `-0.0`
   as in JavaScript. You can get the desired effect by building simdjson with cmake setting the
   `SIMDJSON_MINUS_ZERO_AS_FLOAT` to on: `cmake -B build -D SIMDJSON_MINUS_ZERO_AS_FLOAT=ON`.

include/simdjson/builtin.h

@@ -24,8 +24,6 @@
 #include "simdjson/lsx.h"
 #elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(lasx)
 #include "simdjson/lasx.h"
-#elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(rvv)
-#include "simdjson/rvv.h"
 #else
 #error Unknown SIMDJSON_BUILTIN_IMPLEMENTATION
 #endif

include/simdjson/builtin/base.h

@@ -21,8 +21,6 @@ namespace simdjson {
   namespace lsx {}
 #elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(lasx)
   namespace lasx {}
-#elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(rvv)
-  namespace rvv {}
 #else
 #error Unknown SIMDJSON_BUILTIN_IMPLEMENTATION
 #endif

include/simdjson/builtin/implementation.h

@@ -23,8 +23,6 @@
 #include "simdjson/lsx/implementation.h"
 #elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(lasx)
 #include "simdjson/lasx/implementation.h"
-#elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(rvv)
-#include "simdjson/rvv/implementation.h"
 #else
 #error Unknown SIMDJSON_BUILTIN_IMPLEMENTATION
 #endif

include/simdjson/builtin/ondemand.h

@@ -24,8 +24,6 @@
 #include "simdjson/lsx/ondemand.h"
 #elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(lasx)
 #include "simdjson/lasx/ondemand.h"
-#elif SIMDJSON_BUILTIN_IMPLEMENTATION_IS(rvv)
-#include "simdjson/rvv/ondemand.h"
 #else
 #error Unknown SIMDJSON_BUILTIN_IMPLEMENTATION
 #endif

include/simdjson/convert-inl.h

@@ -116,6 +116,16 @@ template <typename T>
 inline auto to_adaptor<T>::operator()(ondemand::parser &parser, padded_string_view const str) const noexcept {
   return auto_parser<ondemand::parser *>{parser, str};
 }
+
+template <typename T>
+inline auto to_adaptor<T>::operator()(std::string str) const noexcept {
+  return auto_parser{pad_with_reserve(str)};
+}
+
+template <typename T>
+inline auto to_adaptor<T>::operator()(ondemand::parser &parser, std::string str) const noexcept {
+  return auto_parser<ondemand::parser *>{parser, pad_with_reserve(str)};
+}
 } // namespace internal
 } // namespace convert
 } // namespace simdjson

include/simdjson/convert.h

@@ -72,6 +72,11 @@ struct to_adaptor {
 	T operator()(simdjson_result<ondemand::value> &val) const noexcept;
 	auto operator()(padded_string_view const str) const noexcept;
 	auto operator()(ondemand::parser &parser, padded_string_view const str) const noexcept;
+	// The std::string is padded with reserve to ensure there is enough space for padding.
+	// Some sanitizers may not like this, so you can use simdjson::pad instead.
+	// simdjson::from(simdjson::pad(str))
+	auto operator()(std::string str) const noexcept;
+	auto operator()(ondemand::parser &parser, std::string str) const noexcept;
 };
 } // namespace internal
 } // namespace convert

include/simdjson/generic/ondemand/json_string_builder-inl.h

@@ -284,10 +284,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -299,9 +301,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -332,7 +333,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,

include/simdjson/implementation_detection.h

@@ -12,7 +12,6 @@
 #define SIMDJSON_IMPLEMENTATION_ID_westmere 6
 #define SIMDJSON_IMPLEMENTATION_ID_lsx 7
 #define SIMDJSON_IMPLEMENTATION_ID_lasx 8
-#define SIMDJSON_IMPLEMENTATION_ID_rvv 9
 
 #define SIMDJSON_IMPLEMENTATION_ID_FOR(IMPL) SIMDJSON_CAT(SIMDJSON_IMPLEMENTATION_ID_, IMPL)
 #define SIMDJSON_IMPLEMENTATION_ID SIMDJSON_IMPLEMENTATION_ID_FOR(SIMDJSON_IMPLEMENTATION)
@@ -24,15 +23,6 @@
 // in which we include them.
 //
 
-#ifndef SIMDJSON_IMPLEMENTATION_RVV
-#define SIMDJSON_IMPLEMENTATION_RVV (SIMDJSON_IS_RISCV64 && SIMDJSON_IS_RVV)
-#endif
-#if SIMDJSON_IMPLEMENTATION_RVV && SIMDJSON_IS_RISCV64 && SIMDJSON_IS_RVV
-#define SIMDJSON_CAN_ALWAYS_RUN_RVV 1
-#else
-#define SIMDJSON_CAN_ALWAYS_RUN_RVV 0
-#endif
-
 #ifndef SIMDJSON_IMPLEMENTATION_ARM64
 #define SIMDJSON_IMPLEMENTATION_ARM64 (SIMDJSON_IS_ARM64)
 #endif
@@ -138,7 +128,7 @@
 
 // Default Fallback to on unless a builtin implementation has already been selected.
 #ifndef SIMDJSON_IMPLEMENTATION_FALLBACK
-#if SIMDJSON_CAN_ALWAYS_RUN_ARM64 || SIMDJSON_CAN_ALWAYS_RUN_ICELAKE || SIMDJSON_CAN_ALWAYS_RUN_HASWELL || SIMDJSON_CAN_ALWAYS_RUN_WESTMERE || SIMDJSON_CAN_ALWAYS_RUN_PPC64 || SIMDJSON_CAN_ALWAYS_RUN_LSX || SIMDJSON_CAN_ALWAYS_RUN_LASX || SIMDJSON_CAN_ALWAYS_RUN_RVV
+#if SIMDJSON_CAN_ALWAYS_RUN_ARM64 || SIMDJSON_CAN_ALWAYS_RUN_ICELAKE || SIMDJSON_CAN_ALWAYS_RUN_HASWELL || SIMDJSON_CAN_ALWAYS_RUN_WESTMERE || SIMDJSON_CAN_ALWAYS_RUN_PPC64 || SIMDJSON_CAN_ALWAYS_RUN_LSX || SIMDJSON_CAN_ALWAYS_RUN_LASX
 // if anything at all except fallback can always run, then disable fallback.
 #define SIMDJSON_IMPLEMENTATION_FALLBACK 0
 #else
@@ -164,8 +154,6 @@
 #define SIMDJSON_BUILTIN_IMPLEMENTATION lsx
 #elif SIMDJSON_CAN_ALWAYS_RUN_LASX
 #define SIMDJSON_BUILTIN_IMPLEMENTATION lasx
-#elif SIMDJSON_CAN_ALWAYS_RUN_RVV
-#define SIMDJSON_BUILTIN_IMPLEMENTATION rvv
 #elif SIMDJSON_CAN_ALWAYS_RUN_FALLBACK
 #define SIMDJSON_BUILTIN_IMPLEMENTATION fallback
 #else

include/simdjson/rvv.h

@@ -1,8 +0,0 @@
-#ifndef SIMDJSON_RVV_H
-#define SIMDJSON_RVV_H
-
-#include "simdjson/rvv/begin.h"
-#include "simdjson/generic/amalgamated.h"
-#include "simdjson/rvv/end.h"
-
-#endif // SIMDJSON_RVV_H

include/simdjson/rvv/base.h

@@ -1,20 +0,0 @@
-#ifndef SIMDJSON_RVV_BASE_H
-#define SIMDJSON_RVV_BASE_H
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/base.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-namespace simdjson {
-namespace rvv {
-
-class implementation;
-
-namespace {
-namespace simd {
-template <typename T> struct simd8;
-template <typename T> struct simd8x64;
-} // namespace simd
-} // unnamed namespace
-} // namespace rvv
-} // namespace simdjson
-#endif // SIMDJSON_RVV_BASE_H

include/simdjson/rvv/begin.h

@@ -1,13 +0,0 @@
-#define SIMDJSON_IMPLEMENTATION rvv
-
-// include RVV intrinsics and definitions
-#include <riscv_vector.h>
-#include "simdjson/rvv/base.h"
-#include "simdjson/rvv/intrinsics.h"
-#include "simdjson/rvv/bitmanipulation.h"
-#include "simdjson/rvv/bitmask.h"
-#include "simdjson/rvv/numberparsing_defs.h"
-#include "simdjson/rvv/simd.h"
-#include "simdjson/rvv/stringparsing_defs.h"
-
-#define SIMDJSON_SKIP_BACKSLASH_SHORT_CIRCUIT 1

include/simdjson/rvv/bitmanipulation.h

@@ -1,54 +0,0 @@
-#ifndef SIMDJSON_RVV_BITMANIPULATION_H
-#define SIMDJSON_RVV_BITMANIPULATION_H
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/rvv/base.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-
-namespace simdjson {
-namespace rvv {
-namespace {
-
-/* result might be undefined when input_num is zero */
-simdjson_inline int leading_zeroes(uint64_t input_num) {
-#if defined(_MSC_VER) && !defined(__clang__)
-    unsigned long leading_zero = 0;
-    if (_BitScanReverse64(&leading_zero, input_num))
-        return (int)(63 - leading_zero);
-    else
-        return 64;
-#else
-    return __builtin_clzll(input_num);
-#endif
-}
-
-simdjson_inline uint64_t clear_lowest_bit(uint64_t input_num) {
-    return input_num & (input_num - 1);
-}
-
-simdjson_inline int count_ones(uint64_t input_num) {
-    return __builtin_popcountll(input_num);
-}
-
-
-inline simdjson::internal::value128 full_multiplication(uint64_t a, uint64_t b) {
-#if __SIZEOF_INT128__
-    unsigned __int128 p = (unsigned __int128)a * b;
-    return { (uint64_t)p, (uint64_t)(p >> 64) };
-#else
-    uint64_t lo = a * b;
-    uint64_t a0 = (uint32_t)a, a1 = a >> 32;
-    uint64_t b0 = (uint32_t)b, b1 = b >> 32;
-    uint64_t mid1 = a0 * b1;
-    uint64_t mid2 = a1 * b0;
-    uint64_t carry = ((mid1 & 0xFFFFFFFF) + (mid2 & 0xFFFFFFFF) + (lo >> 32)) >> 32;
-    uint64_t hi = a1 * b1 + (mid1 >> 32) + (mid2 >> 32) + carry;
-    return { lo, hi };
-#endif
-}
-
-} // unnamed namespace
-} // namespace rvv
-} // namespace simdjson
-
-#endif // SIMDJSON_RVV_BITMANIPULATION_H

include/simdjson/rvv/end.h

@@ -1,6 +0,0 @@
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/rvv/base.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-
-#undef SIMDJSON_SKIP_BACKSLASH_SHORT_CIRCUIT
-#undef SIMDJSON_IMPLEMENTATION

include/simdjson/rvv/implementation.h

@@ -1,29 +0,0 @@
-#ifndef SIMDJSON_RVV_IMPLEMENTATION_H
-#define SIMDJSON_RVV_IMPLEMENTATION_H
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#define SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/base.h"
-#include "simdjson/implementation.h"
-#include "simdjson/internal/instruction_set.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-
-namespace simdjson {
-namespace rvv {
-
-class implementation final: public simdjson::implementation {
-public:
-  simdjson_inline implementation() : simdjson::implementation("rvv", "RISC-V Vector Extension", 0) {}
-  simdjson_warn_unused error_code create_dom_parser_implementation(
-    size_t capacity,
-    size_t max_depth,
-    std::unique_ptr<internal::dom_parser_implementation>& dst
-  ) const noexcept final;
-  simdjson_warn_unused error_code minify(const uint8_t *buf, size_t len, uint8_t *dst, size_t &dst_len) const noexcept final;
-  simdjson_warn_unused bool validate_utf8(const char *buf, size_t len) const noexcept final;
-};
-
-} // namespace rvv
-} // namespace simdjson
-
-#endif // SIMDJSON_RVV_IMPLEMENTATION_H

include/simdjson/rvv/intrinsics.h

@@ -1,8 +0,0 @@
-#ifndef SIMDJSON_RVV_INTRINSICS_H
-#define SIMDJSON_RVV_INTRINSICS_H
-
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/rvv/base.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-#endif // SIMDJSON_RVV_INTRINSICS_H

include/simdjson/rvv/ondemand.h

@@ -1,9 +0,0 @@
-#ifndef SIMDJSON_RVV_ONDEMAND_H
-#define SIMDJSON_RVV_ONDEMAND_H
-
-#include "simdjson/rvv/begin.h"
-#include "simdjson/generic/ondemand/amalgamated.h"
-#include "simdjson/rvv/end.h"
-
-#endif // SIMDJSON_RVV_ONDEMAND_H
-

include/simdjson/rvv/simd.h

@@ -1,298 +0,0 @@
-#ifndef SIMDJSON_RVV_SIMD_H
-#define SIMDJSON_RVV_SIMD_H
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include "simdjson/rvv/base.h"
-#include "simdjson/rvv/intrinsics.h"
-#include "simdjson/internal/simdprune_tables.h"
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-
-namespace simdjson {
-namespace rvv {
-namespace {
-namespace simd {
-
-// ---------- 128-bit fixed vectors ----------
-using vuint8x16 = vuint8m1_t __attribute__((riscv_rvv_vector_bits(128)));
-using vint8x16  = vint8m1_t  __attribute__((riscv_rvv_vector_bits(128)));
-using vbool8x16 = vbool8_t;
-static constexpr size_t fixed_vl = 16;
-
-// ---------- forward ----------
-template<typename T> struct simd8;
-template<typename T> struct simd8x64;
-
-// ---------- base<Child> ----------
-template<typename Child>
-struct base {
-    vuint8x16 value{};
-    base() = default;
-    base(vuint8x16 v) : value(v) {}
-    operator vuint8x16() const { return value; }
-    operator vuint8x16&()      { return value; }
-
-    simdjson_inline Child operator|(const Child o) const { return __riscv_vor_vv_u8m1(value, o, fixed_vl); }
-    simdjson_inline Child operator&(const Child o) const { return __riscv_vand_vv_u8m1(value, o, fixed_vl); }
-    simdjson_inline Child operator^(const Child o) const { return __riscv_vxor_vv_u8m1(value, o, fixed_vl); }
-    simdjson_inline Child bit_andnot(const Child o) const { return __riscv_vandn_vv_u8m1(value, o, fixed_vl); }
-
-    simdjson_inline Child& operator|=(const Child o) { auto* c = static_cast<Child*>(this); *c = *c | o; return *c; }
-    simdjson_inline Child& operator&=(const Child o) { auto* c = static_cast<Child*>(this); *c = *c & o; return *c; }
-    simdjson_inline Child& operator^=(const Child o) { auto* c = static_cast<Child*>(this); *c = *c ^ o; return *c; }
-};
-
-// ---------- base8<T,Mask> ----------
-template<typename T, typename Mask = simd8<bool>>
-struct base8 : base<simd8<T>> {
-    using base<simd8<T>>::value;
-    using bitmask_t = uint32_t;
-    base8() = default;
-    base8(vuint8x16 v) : base<simd8<T>>(v) {}
-
-    friend simdjson_inline Mask operator==(const simd8<T> a, const simd8<T> b) {
-        return simd8<bool>(__riscv_vmseq_vv_u8m1_b8(a, b, fixed_vl));
-    }
-    template<int N=1>
-    simdjson_inline simd8<T> prev(const simd8<T> prev_chunk) const {
-        return __riscv_vslideup_vx_u8m1(prev_chunk, value, fixed_vl - N, 2 * fixed_vl);
-    }
-};
-
-// ---------- simd8<bool> ----------
-template<>
-struct simd8<bool> : base8<bool> {
-    simd8() = default;
-    simd8(vuint8x16 v) : base8(v) {}
-    simd8(vbool8_t m) : base8(__riscv_vmerge_vvm_u8m1(
-                                    __riscv_vmv_v_x_u8m1(0, fixed_vl),
-                                    __riscv_vmv_v_x_u8m1(0xFFu, fixed_vl),
-                                    m, fixed_vl)) {}
-
-    static simdjson_inline simd8<bool> splat(bool b) {
-        return __riscv_vmv_v_x_u8m1(uint8_t(-b), fixed_vl);
-    }
-    simdjson_inline simd8(bool b) : simd8(splat(b)) {}
-
-    simdjson_inline int to_bitmask() const {
-        vuint8x16 bits = __riscv_vand_vx_u8m1(value, 0xFFu, fixed_vl);
-        vbool8x16 mask = __riscv_vmseq_vx_u8m1_b8(bits, 0xFFu, fixed_vl);
-        return __riscv_vcpop_m_b8(mask, fixed_vl);
-    }
-    simdjson_inline bool any_bits_set_anywhere() const {
-        return to_bitmask() != 0;
-    }
-    simdjson_inline simd8<bool> operator~() const { return *this ^ splat(true); }
-};
-
-// ---------- simd8<uint8_t> ----------
-template<>
-struct simd8<uint8_t> : base8<uint8_t> {
-    simd8() = default;
-    simd8(vuint8x16 v) : base8(v) {}
-    static simdjson_inline simd8<uint8_t> splat(uint8_t v) {
-        return __riscv_vmv_v_x_u8m1(v, fixed_vl);
-    }
-    static simdjson_inline simd8<uint8_t> zero() { return splat(0); }
-    static simdjson_inline simd8<uint8_t> load(const uint8_t* p) {
-        return __riscv_vle8_v_u8m1(p, fixed_vl);
-    }
-    simdjson_inline simd8(uint8_t v) : simd8(splat(v)) {}
-    simdjson_inline simd8(const uint8_t* p) : simd8(load(p)) {}
-
-    simdjson_inline void store(uint8_t* p) const {
-        __riscv_vse8_v_u8m1(p, value, fixed_vl);
-    }
-
-    simdjson_inline simd8<uint8_t> operator+(const simd8<uint8_t> o) const {
-        return __riscv_vadd_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<uint8_t> operator-(const simd8<uint8_t> o) const {
-        return __riscv_vsub_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<uint8_t>& operator+=(const simd8<uint8_t> o) {
-        *this = *this + o; return *this;
-    }
-    simdjson_inline simd8<uint8_t>& operator-=(const simd8<uint8_t> o) {
-        *this = *this - o; return *this;
-    }
-
-    simdjson_inline simd8<uint8_t> saturating_add(const simd8<uint8_t> o) const {
-        return __riscv_vsaddu_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<uint8_t> saturating_sub(const simd8<uint8_t> o) const {
-        return __riscv_vssubu_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<uint8_t> max_val(const simd8<uint8_t> o) const {
-        return __riscv_vmaxu_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<uint8_t> min_val(const simd8<uint8_t> o) const {
-        return __riscv_vminu_vv_u8m1(value, o, fixed_vl);
-    }
-    simdjson_inline simd8<bool> operator>(const simd8<uint8_t> o) const {
-        return simd8<bool>(__riscv_vmsgtu_vv_u8m1_b8(value, o, fixed_vl));
-    }
-    simdjson_inline simd8<bool> operator<(const simd8<uint8_t> o) const {
-        return simd8<bool>(__riscv_vmsgtu_vv_u8m1_b8(o, value, fixed_vl));
-    }
-    simdjson_inline simd8<bool> operator<=(const simd8<uint8_t> o) const {
-        return simd8<bool>(__riscv_vmsleu_vv_u8m1_b8(value, o, fixed_vl));
-    }
-    simdjson_inline simd8<bool> operator>=(const simd8<uint8_t> o) const {
-        return simd8<bool>(__riscv_vmsleu_vv_u8m1_b8(o, value, fixed_vl));
-    }
-    template<int NS>
-    simdjson_inline simd8<uint8_t> shr() const {
-        return __riscv_vsrl_vx_u8m1(value, NS, fixed_vl);
-    }
-    template<int NS>
-    simdjson_inline simd8<uint8_t> shl() const {
-        return __riscv_vsll_vx_u8m1(value, NS, fixed_vl);
-    }
-    template <typename Ret>
-    simdjson_inline simd8<Ret> lookup_16(const Ret* table) const {
-        alignas(16) uint8_t idx[16];
-        store(idx);
-        alignas(16) Ret res[16];
-        for (int i = 0; i < 16; ++i) res[i] = table[idx[i]];
-        return simd8<Ret>::load(reinterpret_cast<const Ret*>(res));
-    }
-    simdjson_inline void compress(uint16_t mask, uint8_t* out) const {
-        alignas(16) uint8_t tmp[16];
-        store(tmp);
-        for (int i = 0, j = 0; i < 16; ++i)
-            if (mask & (1u << i)) out[j++] = tmp[i];
-    }
-    simdjson_inline uint64_t gt_bits(uint8_t max_value) const {
-        return (*this > splat(max_value)).to_bitmask();
-    }
-    simdjson_inline uint64_t gt_bits(const simd8<uint8_t>& max_vec) const {
-        return (*this > max_vec).to_bitmask();
-    }
-    simdjson_inline bool any_bits_set_anywhere() const {
-        return (*this > zero()).any_bits_set_anywhere();
-    }
-};
-
-// ---------- simd8<int8_t> ----------
-template<>
-struct simd8<int8_t> {
-    vint8x16 value{};
-    simd8() = default;
-    simd8(vint8x16 v) : value(v) {}
-    static simdjson_inline simd8<int8_t> splat(int8_t v) {
-        return __riscv_vmv_v_x_i8m1(v, fixed_vl);
-    }
-    static simdjson_inline simd8<int8_t> zero() { return splat(0); }
-        static simdjson_inline simd8<int8_t> load(const int8_t* p) {
-        return __riscv_vle8_v_i8m1(p, fixed_vl);
-    }
-    simdjson_inline simd8(int8_t v) : simd8(splat(v)) {}
-    simdjson_inline simd8(const int8_t* p) : simd8(load(p)) {}
-
-    simdjson_inline void store(int8_t* p) const {
-        __riscv_vse8_v_i8m1(p, value, fixed_vl);
-    }
-    simdjson_inline simd8<int8_t> operator+(const simd8<int8_t> o) const {
-        return __riscv_vadd_vv_i8m1(value, o.value, fixed_vl);
-    }
-    simdjson_inline simd8<int8_t> operator-(const simd8<int8_t> o) const {
-        return __riscv_vsub_vv_i8m1(value, o.value, fixed_vl);
-    }
-    simdjson_inline simd8<int8_t> max_val(const simd8<int8_t> o) const {
-        return __riscv_vmax_vv_i8m1(value, o.value, fixed_vl);
-    }
-    simdjson_inline simd8<int8_t> min_val(const simd8<int8_t> o) const {
-        return __riscv_vmin_vv_i8m1(value, o.value, fixed_vl);
-    }
-    simdjson_inline simd8<bool> operator>(const simd8<int8_t> o) const {
-        return simd8<bool>(__riscv_vmsgt_vv_i8m1_b8(value, o.value, fixed_vl));
-    }
-    simdjson_inline simd8<bool> operator<(const simd8<int8_t> o) const {
-        return simd8<bool>(__riscv_vmsgt_vv_i8m1_b8(o.value, value, fixed_vl));
-    }
-    simdjson_inline simd8<bool> operator==(const simd8<int8_t> o) const {
-        return simd8<bool>(__riscv_vmseq_vv_i8m1_b8(value, o.value, fixed_vl));
-    }
-    template<int N=1>
-    simdjson_inline simd8<int8_t> prev(const simd8<int8_t> prev_chunk) const {
-        return __riscv_vslideup_vx_i8m1(prev_chunk.value, value, fixed_vl - N, 2 * fixed_vl);
-    }
-};
-
-// ---------- simd8x64<T> ----------
-template<typename T>
-struct simd8x64 {
-    static constexpr int NUM_CHUNKS = 64 / sizeof(simd8<T>);
-    static_assert(NUM_CHUNKS == 4, "RVV kernel uses 4×128-bit chunks per 64-byte block.");
-    const simd8<T> chunks[4];
-
-    simd8x64(const simd8x64&) = delete;
-    simd8x64& operator=(const simd8x64&) = delete;
-    simd8x64() = delete;
-
-    simdjson_inline simd8x64(const simd8<T> c0, const simd8<T> c1,
-                             const simd8<T> c2, const simd8<T> c3)
-        : chunks{c0, c1, c2, c3} {}
-    simdjson_inline simd8x64(const T* ptr)
-        : chunks{simd8<T>::load(ptr),
-                 simd8<T>::load(ptr + 16),
-                 simd8<T>::load(ptr + 32),
-                 simd8<T>::load(ptr + 48)} {}
-
-    simdjson_inline void store(T* ptr) const {
-        chunks[0].store(ptr);
-        chunks[1].store(ptr + 16);
-        chunks[2].store(ptr + 32);
-        chunks[3].store(ptr + 48);
-    }
-    simdjson_inline simd8<T> reduce_or() const {
-        return (chunks[0] | chunks[1]) | (chunks[2] | chunks[3]);
-    }
-    simdjson_inline uint64_t to_bitmask() const {
-        uint16_t m0 = uint16_t(chunks[0].to_bitmask());
-        uint16_t m1 = uint16_t(chunks[1].to_bitmask());
-        uint16_t m2 = uint16_t(chunks[2].to_bitmask());
-        uint16_t m3 = uint16_t(chunks[3].to_bitmask());
-        return m0 | (uint64_t(m1) << 16) | (uint64_t(m2) << 32) | (uint64_t(m3) << 48);
-    }
-    simdjson_inline uint64_t eq(const T m) const {
-        simd8<T> spl = simd8<T>::splat(m);
-        return simd8x64<bool>(chunks[0] == spl,
-                              chunks[1] == spl,
-                              chunks[2] == spl,
-                              chunks[3] == spl).to_bitmask();
-    }
-    simdjson_inline uint64_t lteq(const T m) const {
-        simd8<T> spl = simd8<T>::splat(m);
-        return simd8x64<bool>(chunks[0] <= spl,
-                              chunks[1] <= spl,
-                              chunks[2] <= spl,
-                              chunks[3] <= spl).to_bitmask();
-    }
-    simdjson_inline uint64_t compress(uint64_t mask, T* out) const {
-        using internal::BitsSetTable256mul2;
-        uint32_t m0 = uint32_t(mask);
-        uint32_t m1 = uint32_t(mask >> 16);
-        uint32_t m2 = uint32_t(mask >> 32);
-        uint32_t m3 = uint32_t(mask >> 48);
-
-        int pop0 = BitsSetTable256mul2[uint8_t(m0)];
-        int pop1 = BitsSetTable256mul2[uint8_t(m1)];
-        int pop2 = BitsSetTable256mul2[uint8_t(m2)];
-
-        chunks[0].compress(uint16_t(m0), out);
-        chunks[1].compress(uint16_t(m1), out + 16 - pop0);
-        chunks[2].compress(uint16_t(m2), out + 32 - pop0 - pop1);
-        chunks[3].compress(uint16_t(m3), out + 48 - pop0 - pop1 - pop2);
-        return 64 - __builtin_popcountll(mask);
-    }
-};
-
-
-} // namespace simd
-} // unnamed namespace
-} // namespace rvv
-} // namespace simdjson
-
-
-#endif // SIMDJSON_RVV_SIMD_H

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 "4.0.2"
+#define SIMDJSON_VERSION "4.0.3"
 
 namespace simdjson {
 enum {
@@ -19,7 +19,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 2
+  SIMDJSON_VERSION_REVISION = 3
 };
 } // namespace simdjson
 

singleheader/amalgamate.py

@@ -71,7 +71,7 @@ else:
 RelativeRoot = str # Literal['src','include'] # Literal not supported in Python 3.7 (CI)
 RELATIVE_ROOTS: List[RelativeRoot] = ['src', 'include' ]
 Implementation = str # Literal['arm64', 'fallback', 'haswell', 'icelake', 'ppc64', 'westmere', 'lsx', 'lasx'] # Literal not supported in Python 3.7 (CI)
-IMPLEMENTATIONS: List[Implementation] = [ 'arm64', 'haswell', 'icelake', 'lasx', 'lsx', 'ppc64', 'westmere', 'fallback', 'rvv' ]
+IMPLEMENTATIONS: List[Implementation] = [ 'arm64', 'haswell', 'icelake', 'lasx', 'lsx', 'ppc64', 'westmere', 'fallback' ]
 GENERIC_INCLUDE = "simdjson/generic"
 GENERIC_SRC = "generic"
 BUILTIN = "simdjson/builtin"
@@ -358,6 +358,7 @@ class Amalgamator:
         self.include_stack.append(file)
 
         file.processed = False
+
         self.write(f"/* begin file {self.file_to_str(file)} */")
 
         if file == BUILTIN_BEGIN_H:

singleheader/simdjson.cpp

@@ -1,4 +1,4 @@
-/* auto-generated on 2025-09-14 09:01:41 -0600. version 4.0.2 Do not edit! */
+/* auto-generated on 2025-09-15 19:47:29 -0600. version 4.0.3 Do not edit! */
 /* including simdjson.cpp:  */
 /* begin file simdjson.cpp */
 #define SIMDJSON_SRC_SIMDJSON_CPP

singleheader/simdjson.h

@@ -1,4 +1,4 @@
-/* auto-generated on 2025-09-14 09:01:41 -0600. version 4.0.2 Do not edit! */
+/* auto-generated on 2025-09-15 19:47:29 -0600. version 4.0.3 Do not edit! */
 /* including simdjson.h:  */
 /* begin file simdjson.h */
 #ifndef SIMDJSON_H
@@ -2508,7 +2508,7 @@ namespace std {
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.0.2"
+#define SIMDJSON_VERSION "4.0.3"
 
 namespace simdjson {
 enum {
@@ -2523,7 +2523,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 2
+  SIMDJSON_VERSION_REVISION = 3
 };
 } // namespace simdjson
 
@@ -45345,10 +45345,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -45360,9 +45362,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -45393,7 +45394,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -58304,10 +58309,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -58319,9 +58326,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -58352,7 +58358,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -71762,10 +71772,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -71777,9 +71789,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -71810,7 +71821,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -85220,10 +85235,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -85235,9 +85252,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -85268,7 +85284,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -98793,10 +98813,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -98808,9 +98830,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -98841,7 +98862,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -112682,10 +112707,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -112697,9 +112724,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -112730,7 +112756,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -126048,10 +126078,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -126063,9 +126095,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -126096,7 +126127,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -139427,10 +139462,12 @@ simdjson_inline void string_builder::clear() noexcept {
 
 namespace internal {
 
-// We could specialize further for 32-bit integers.
-simdjson_really_inline int int_log2(uint32_t x) { return (63 - leading_zeroes(x | 1)); }
 
-simdjson_really_inline int fast_digit_count(uint32_t x) {
+template <typename number_type, typename = typename std::enable_if<
+                                    std::is_unsigned<number_type>::value>::type>
+simdjson_really_inline int int_log2(number_type x) { return 63 - leading_zeroes(uint64_t(x) | 1); }
+
+simdjson_really_inline int fast_digit_count_32(uint32_t x) {
   static uint64_t table[] = {
       4294967296,  8589934582,  8589934582,  8589934582,  12884901788,
       12884901788, 12884901788, 17179868184, 17179868184, 17179868184,
@@ -139442,9 +139479,8 @@ simdjson_really_inline int fast_digit_count(uint32_t x) {
   return uint32_t((x + table[int_log2(x)]) >> 32);
 }
 
-simdjson_really_inline int int_log2(uint64_t x) { return 63 - leading_zeroes(x | 1); }
 
-simdjson_really_inline int fast_digit_count(uint64_t x) {
+simdjson_really_inline int fast_digit_count_64(uint64_t x) {
   static uint64_t table[] = {9,
                              99,
                              999,
@@ -139475,7 +139511,11 @@ simdjson_really_inline size_t digit_count(number_type v) noexcept {
   static_assert(sizeof(number_type) == 8 || sizeof(number_type) == 4 ||
                     sizeof(number_type) == 2 || sizeof(number_type) == 1,
                 "We only support 8-bit, 16-bit, 32-bit and 64-bit numbers");
-  return fast_digit_count(v);
+  SIMDJSON_IF_CONSTEXPR(sizeof(number_type) <= 4) {
+    return fast_digit_count_32(static_cast<uint32_t>(v));
+  } else {
+    return fast_digit_count_64(static_cast<uint64_t>(v));
+  }
 }
 static const char decimal_table[200] = {
   0x30, 0x30, 0x30, 0x31, 0x30, 0x32, 0x30, 0x33, 0x30, 0x34, 0x30, 0x35,
@@ -140244,6 +140284,11 @@ struct to_adaptor {
 	T operator()(simdjson_result<ondemand::value> &val) const noexcept;
 	auto operator()(padded_string_view const str) const noexcept;
 	auto operator()(ondemand::parser &parser, padded_string_view const str) const noexcept;
+	// The std::string is padded with reserve to ensure there is enough space for padding.
+	// Some sanitizers may not like this, so you can use simdjson::pad instead.
+	// simdjson::from(simdjson::pad(str))
+	auto operator()(std::string str) const noexcept;
+	auto operator()(ondemand::parser &parser, std::string str) const noexcept;
 };
 } // namespace internal
 } // namespace convert
@@ -140402,6 +140447,16 @@ template <typename T>
 inline auto to_adaptor<T>::operator()(ondemand::parser &parser, padded_string_view const str) const noexcept {
   return auto_parser<ondemand::parser *>{parser, str};
 }
+
+template <typename T>
+inline auto to_adaptor<T>::operator()(std::string str) const noexcept {
+  return auto_parser{pad_with_reserve(str)};
+}
+
+template <typename T>
+inline auto to_adaptor<T>::operator()(ondemand::parser &parser, std::string str) const noexcept {
+  return auto_parser<ondemand::parser *>{parser, pad_with_reserve(str)};
+}
 } // namespace internal
 } // namespace convert
 } // namespace simdjson

src/implementation.cpp

@@ -21,19 +21,6 @@ bool implementation::supported_by_runtime_system() const {
 
 #define SIMDJSON_CONDITIONAL_INCLUDE
 
-#if SIMDJSON_IMPLEMENTATION_RVV
-#include <simdjson/rvv/implementation.h>
-namespace simdjson {
-namespace internal {
-static const rvv::implementation* get_rvv_singleton() {
-  static const rvv::implementation rvv_singleton{};
-  return &rvv_singleton;
-}
-} // namespace internal
-} // namespace simdjson
-#endif // SIMDJSON_IMPLEMENTATION_RVV
-
-
 #if SIMDJSON_IMPLEMENTATION_ARM64
 #include <simdjson/arm64/implementation.h>
 namespace simdjson {
@@ -143,7 +130,6 @@ namespace internal {
              + SIMDJSON_IMPLEMENTATION_HASWELL + SIMDJSON_IMPLEMENTATION_WESTMERE \
              + SIMDJSON_IMPLEMENTATION_ARM64 + SIMDJSON_IMPLEMENTATION_PPC64 \
              + SIMDJSON_IMPLEMENTATION_LSX + SIMDJSON_IMPLEMENTATION_LASX \
-             + SIMDJSON_IMPLEMENTATION_RVV \
              + SIMDJSON_IMPLEMENTATION_FALLBACK == 1)
 
 #if SIMDJSON_SINGLE_IMPLEMENTATION
@@ -170,9 +156,6 @@ namespace internal {
 #if SIMDJSON_IMPLEMENTATION_LASX
     get_lasx_singleton();
 #endif
-#if SIMDJSON_IMPLEMENTATION_RVV
-    get_rvv_singleton();
-#endif
 #if SIMDJSON_IMPLEMENTATION_FALLBACK
     get_fallback_singleton();
 #endif
@@ -233,9 +216,6 @@ static const std::initializer_list<const implementation *>& get_available_implem
 #if SIMDJSON_IMPLEMENTATION_LASX
     get_lasx_singleton(),
 #endif
-#if SIMDJSON_IMPLEMENTATION_RVV
-    get_rvv_singleton(),
-#endif
 #if SIMDJSON_IMPLEMENTATION_FALLBACK
     get_fallback_singleton(),
 #endif

src/rvv.cpp

@@ -1,23 +0,0 @@
-#ifndef SIMDJSON_SRC_RVV_CPP
-#define SIMDJSON_SRC_RVV_CPP
-
-#ifndef SIMDJSON_CONDITIONAL_INCLUDE
-#include <base.h>
-#endif // SIMDJSON_CONDITIONAL_INCLUDE
-
-
-#include <simdjson/rvv.h>
-#include <simdjson/rvv/implementation.h>
-
-
-
-namespace simdjson {
-namespace rvv {
-error_code implementation::create_dom_parser_implementation(
-    size_t, size_t,
-    std::unique_ptr<simdjson::internal::dom_parser_implementation>&) const noexcept {
-  return error_code::UNSUPPORTED_ARCHITECTURE;
-}
-} // namespace rvv
-} // namespace simdjson
-#endif // SIMDJSON_SRC_RVV_CPP

src/simdjson.cpp

@@ -41,9 +41,6 @@ SIMDJSON_PUSH_DISABLE_UNUSED_WARNINGS
 #if SIMDJSON_IMPLEMENTATION_LASX
 #include <lasx.cpp>
 #endif
-#if SIMDJSON_IMPLEMENTATION_RVV
-#include <rvv.cpp>
-#endif
 #if SIMDJSON_IMPLEMENTATION_FALLBACK
 #include <fallback.cpp>
 #endif

tests/ondemand/ondemand_convert_tests.cpp

@@ -2,6 +2,7 @@
 #include "simdjson/convert.h"
 #include "test_ondemand.h"
 
+#include <chrono>
 #include <map>
 #include <ranges>
 #include <string>
@@ -21,6 +22,24 @@ private:
     std::string date_str;
 };
 
+
+struct Meeting {
+    std::string title;
+    std::vector<std::string> attendees;
+    std::optional<std::string> location;
+    bool is_recurring;
+};
+
+
+struct MeetingTime {
+    std::string title;
+    std::chrono::system_clock::time_point start_time;
+    std::vector<std::string> attendees;
+    std::optional<std::string> location;
+    bool is_recurring;
+};
+
+
 namespace simdjson {
 template <typename simdjson_value>
 auto tag_invoke(deserialize_tag, simdjson_value &val, MyDate& date) {
@@ -160,6 +179,38 @@ bool simple() {
     ASSERT_SUCCESS(doc.get(p));
     TEST_SUCCEED();
   }
+
+
+  bool meeting_test() {
+    TEST_START();
+    std::string json = simdjson::to_json(Meeting{
+        .title = "CppCon Planning",
+        .attendees = {"Alice", "Bob", "Charlie"},
+        .location = "Denver",
+        .is_recurring = true
+    });
+    Meeting m2 = simdjson::from(json);
+    std::cout << m2.title << std::endl;
+    TEST_SUCCEED();
+  }
+  bool meeting_time_test() {
+    TEST_START();
+    auto start_time = std::chrono::system_clock::now();
+    std::string json = simdjson::to_json(MeetingTime{
+        .title = "CppCon Planning",
+        .start_time = start_time,
+        .attendees = {"Alice", "Bob", "Charlie"},
+        .location = "Denver",
+        .is_recurring = true
+    });
+    std::cout << json << std::endl;
+    MeetingTime m2 = simdjson::from(json);
+    //ASSERT_EQUAL(m2.start_time, start_time);
+    std::cout << m2.title << std::endl;
+    TEST_SUCCEED();
+  }
+
+
 #endif
 bool broken() {
   TEST_START();
@@ -415,7 +466,7 @@ bool test_to_vs_from_equivalence() {
 bool run() {
   return
 #if SIMDJSON_STATIC_REFLECTION
-      bad_player() && good_player() && complicated_weather_test() &&
+      meeting_time_test() && meeting_test() && bad_player() && good_player() && complicated_weather_test() &&
 #endif
 #if SIMDJSON_EXCEPTIONS && SIMDJSON_SUPPORTS_CONCEPTS
       broken() && simple() && simple_optional() && with_parser() && to_array() &&