blake3_dispatch.c File Reference

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "blake3_impl.h"

Include dependency graph for blake3_dispatch.c:

Go to the source code of this file.

Macros
#define	MAYBE_UNUSED(x)   (void)((x))

Enumerations
enum	cpu_feature {   SSE2 = 1 << 0, SSSE3 = 1 << 1, SSE41 = 1 << 2, AVX = 1 << 3,   AVX2 = 1 << 4, AVX512F = 1 << 5, AVX512VL = 1 << 6, UNDEFINED = 1 << 30 }

Functions
static LLVM_ATTRIBUTE_USED enum cpu_feature	get_cpu_features (void)
void	blake3_compress_in_place (uint32_t cv[8], const uint8_t block[BLAKE3_BLOCK_LEN], uint8_t block_len, uint64_t counter, uint8_t flags)
void	blake3_compress_xof (const uint32_t cv[8], const uint8_t block[BLAKE3_BLOCK_LEN], uint8_t block_len, uint64_t counter, uint8_t flags, uint8_t out[64])
void	blake3_hash_many (const uint8_t *const *inputs, size_t num_inputs, size_t blocks, const uint32_t key[8], uint64_t counter, bool increment_counter, uint8_t flags, uint8_t flags_start, uint8_t flags_end, uint8_t *out)
size_t	blake3_simd_degree (void)

Variables
static enum cpu_feature	g_cpu_features = UNDEFINED

Macro Definition Documentation

MAYBE_UNUSED

#define MAYBE_UNUSED

(

x

)

(void)((x))

Definition at line 17 of file blake3_dispatch.c.

Enumeration Type Documentation

cpu_feature

enum cpu_feature

Enumerator
SSE2
SSSE3
SSE41
AVX
AVX2
AVX512F
AVX512VL
UNDEFINED

Definition at line 64 of file blake3_dispatch.c.

Function Documentation

blake3_compress_in_place()

void blake3_compress_in_place	(	uint32_t	cv[8],
		const uint8_t	block[BLAKE3_BLOCK_LEN],
		uint8_t	block_len,
		uint64_t	counter,
		uint8_t	flags
	)

Definition at line 137 of file blake3_dispatch.c.

References AVX512VL, blake3_compress_in_place_avx512(), blake3_compress_in_place_portable(), blake3_compress_in_place_sse2(), blake3_compress_in_place_sse41(), block, get_cpu_features(), MAYBE_UNUSED, SSE2, and SSE41.

Referenced by chunk_state_update(), and output_chaining_value().

blake3_compress_xof()

void blake3_compress_xof	(	const uint32_t	cv[8],
		const uint8_t	block[BLAKE3_BLOCK_LEN],
		uint8_t	block_len,
		uint64_t	counter,
		uint8_t	flags,
		uint8_t	out[64]
	)

Definition at line 166 of file blake3_dispatch.c.

References AVX512VL, blake3_compress_xof_avx512(), blake3_compress_xof_portable(), blake3_compress_xof_sse2(), blake3_compress_xof_sse41(), block, get_cpu_features(), MAYBE_UNUSED, SSE2, and SSE41.

Referenced by output_root_bytes().

blake3_hash_many()

void blake3_hash_many	(	const uint8_t *const *	inputs,
		size_t	num_inputs,
		size_t	blocks,
		const uint32_t	key[8],
		uint64_t	counter,
		bool	increment_counter,
		uint8_t	flags,
		uint8_t	flags_start,
		uint8_t	flags_end,
		uint8_t *	out
	)

Definition at line 195 of file blake3_dispatch.c.

References AVX2, AVX512F, AVX512VL, blake3_hash_many_avx2(), blake3_hash_many_avx512(), blake3_hash_many_portable(), blake3_hash_many_sse2(), blake3_hash_many_sse41(), get_cpu_features(), MAYBE_UNUSED, SSE2, and SSE41.

Referenced by compress_chunks_parallel(), and compress_parents_parallel().

blake3_simd_degree()

size_t blake3_simd_degree

(

void

)

Definition at line 248 of file blake3_dispatch.c.

References AVX2, AVX512F, AVX512VL, get_cpu_features(), MAYBE_UNUSED, SSE2, and SSE41.

Referenced by blake3_compress_subtree_wide().

get_cpu_features()

static LLVM_ATTRIBUTE_USED enum cpu_feature get_cpu_features ( void  )

static

Definition at line 86 of file blake3_dispatch.c.

References AVX, AVX2, AVX512F, AVX512VL, eax, ebx, ecx, g_cpu_features, shuffles::mask(), SSE2, SSE41, SSSE3, and UNDEFINED.

Referenced by blake3_compress_in_place(), blake3_compress_xof(), blake3_hash_many(), and blake3_simd_degree().

Variable Documentation

g_cpu_features

enum cpu_feature g_cpu_features = UNDEFINED

static

Definition at line 79 of file blake3_dispatch.c.

Referenced by get_cpu_features().