common.h File Reference

Common SIMD utilities and structures. More...

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Data Structures
struct	utf8_char_t
	UTF-8 character structure. More...
struct	utf8_palette_cache_s
	UTF-8 palette cache structure. More...

Macros
#define	RAMP64_SIZE   64
	Ramp64 cache size (64 entries)
Cache Eviction Algorithm Parameters
#define	CACHE_FREQUENCY_DECAY_TIME   300.0
	Frequency bonus decay time (5 minutes in seconds)
#define	CACHE_RECENCY_SCALE   60.0
	Recency importance scale (1 minute in seconds)
#define	CACHE_RECENT_ACCESS_THRESHOLD   10
	Recent access protection threshold (10 seconds)
#define	CACHE_MAX_LIFETIME   3600
	Maximum cache lifetime (1 hour in seconds)
#define	CACHE_MIN_ACCESS_THRESHOLD   3
	Minimum accesses for frequency protection.

Typedefs
typedef struct utf8_palette_cache_s	utf8_palette_cache_t
	UTF-8 palette cache structure.

Functions
void	build_ramp64 (uint8_t ramp64[64], const char *ascii_chars)
	Build 64-entry character ramp cache.
double	calculate_cache_eviction_score (uint64_t last_access_time, uint32_t access_count, uint64_t creation_time, uint64_t current_time)
	Calculate cache eviction score.
uint64_t	get_current_time_ns (void)
	Get current time in nanoseconds.
utf8_palette_cache_t *	get_utf8_palette_cache (const char *ascii_chars)
	Get or create UTF-8 palette cache.
void	build_utf8_luminance_cache (const char *ascii_chars, utf8_char_t cache[256])
	Build UTF-8 luminance cache.
void	build_utf8_ramp64_cache (const char *ascii_chars, utf8_char_t cache64[64], uint8_t char_index_ramp[64])
	Build UTF-8 ramp64 cache.
void	simd_caches_destroy_all (void)
	Destroy all SIMD caches.
bool	has_sse2_support (void)
	Check if SSE2 is supported.
bool	has_ssse3_support (void)
	Check if SSSE3 is supported.
bool	has_avx2_support (void)
	Check if AVX2 is supported.
bool	has_neon_support (void)
	Check if NEON is supported.
bool	has_sve_support (void)
	Check if SVE is supported.
char *	append_sgr_truecolor_fg (char *dst, uint8_t r, uint8_t g, uint8_t b)
	Append truecolor foreground SGR sequence.
char *	append_sgr_truecolor_bg (char *dst, uint8_t r, uint8_t g, uint8_t b)
	Append truecolor background SGR sequence.
char *	append_sgr_truecolor_fg_bg (char *dst, uint8_t fr, uint8_t fg, uint8_t fb, uint8_t br, uint8_t bg, uint8_t bb)
	Append truecolor foreground and background SGR sequence.
char *	append_sgr_reset (char *dst)
	Append ANSI reset sequence.
size_t	write_rgb_triplet (uint8_t value, char *dst)
	Write decimal RGB triplet using dec3 cache.

Detailed Description

Common SIMD utilities and structures.

Definition in file video/simd/common.h.