--- /dev/null
+#pragma once
+
+// GGML CPU internal header
+
+#include "ggml.h"
+#include "ggml-impl.h"
+#include <stdlib.h> // load `stdlib.h` before other headers to work around MinGW bug: https://sourceforge.net/p/mingw-w64/bugs/192/
+//#include <stddef.h>
+#include <stdbool.h>
+#include <string.h> // memcpy
+#include <math.h> // fabsf
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(_MSC_VER)
+
+#define m512bh(p) p
+#define m512i(p) p
+
+#else
+
+#define m512bh(p) (__m512bh)(p)
+#define m512i(p) (__m512i)(p)
+
+#endif
+
+/**
+ * Converts brain16 to float32.
+ *
+ * The bfloat16 floating point format has the following structure:
+ *
+ * ┌sign
+ * │
+ * │ ┌exponent
+ * │ │
+ * │ │ ┌mantissa
+ * │ │ │
+ * │┌──┴───┐┌─┴───┐
+ * 0b0000000000000000 brain16
+ *
+ * Since bf16 has the same number of exponent bits as a 32bit float,
+ * encoding and decoding numbers becomes relatively straightforward.
+ *
+ * ┌sign
+ * │
+ * │ ┌exponent
+ * │ │
+ * │ │ ┌mantissa
+ * │ │ │
+ * │┌──┴───┐┌─┴───────────────────┐
+ * 0b00000000000000000000000000000000 IEEE binary32
+ *
+ * For comparison, the standard fp16 format has fewer exponent bits.
+ *
+ * ┌sign
+ * │
+ * │ ┌exponent
+ * │ │
+ * │ │ ┌mantissa
+ * │ │ │
+ * │┌─┴─┐┌─┴──────┐
+ * 0b0000000000000000 IEEE binary16
+ *
+ * @see IEEE 754-2008
+ */
+static inline float ggml_compute_bf16_to_fp32(ggml_bf16_t h) {
+ union {
+ float f;
+ uint32_t i;
+ } u;
+ u.i = (uint32_t)h.bits << 16;
+ return u.f;
+}
+
+/**
+ * Converts float32 to brain16.
+ *
+ * This is binary identical with Google Brain float conversion.
+ * Floats shall round to nearest even, and NANs shall be quiet.
+ * Subnormals aren't flushed to zero, except perhaps when used.
+ * This code should vectorize nicely if using modern compilers.
+ */
+static inline ggml_bf16_t ggml_compute_fp32_to_bf16(float s) {
+ ggml_bf16_t h;
+ union {
+ float f;
+ uint32_t i;
+ } u;
+ u.f = s;
+ if ((u.i & 0x7fffffff) > 0x7f800000) { /* nan */
+ h.bits = (u.i >> 16) | 64; /* force to quiet */
+ return h;
+ }
+ h.bits = (u.i + (0x7fff + ((u.i >> 16) & 1))) >> 16;
+ return h;
+}
+
+#define GGML_FP32_TO_BF16(x) ggml_compute_fp32_to_bf16(x)
+#define GGML_BF16_TO_FP32(x) ggml_compute_bf16_to_fp32(x)
+
+// __FMA__ and __F16C__ are not defined in MSVC, however they are implied with AVX2/AVX512
+#if defined(_MSC_VER) && (defined(__AVX2__) || defined(__AVX512F__))
+#ifndef __FMA__
+#define __FMA__
+#endif
+#ifndef __F16C__
+#define __F16C__
+#endif
+#endif
+
+// __SSE3__ and __SSSE3__ are not defined in MSVC, but SSE3/SSSE3 are present when AVX/AVX2/AVX512 are available
+#if defined(_MSC_VER) && (defined(__AVX__) || defined(__AVX2__) || defined(__AVX512F__))
+#ifndef __SSE3__
+#define __SSE3__
+#endif
+#ifndef __SSSE3__
+#define __SSSE3__
+#endif
+#endif
+
+#if defined(__ARM_FEATURE_SVE)
+#include <arm_sve.h>
+#include <sys/prctl.h>
+#endif
+
+// 16-bit float
+// on Arm, we use __fp16
+// on x86, we use uint16_t
+#if defined(__ARM_NEON)
+
+// if YCM cannot find <arm_neon.h>, make a symbolic link to it, for example:
+//
+// $ ln -sfn /Library/Developer/CommandLineTools/usr/lib/clang/13.1.6/include/arm_neon.h ./src/
+//
+#include <arm_neon.h>
+
+#ifdef _MSC_VER
+
+typedef uint16_t ggml_fp16_internal_t;
+
+#define ggml_vld1q_u32(w,x,y,z) { ((w) + ((uint64_t)(x) << 32)), ((y) + ((uint64_t)(z) << 32)) }
+
+#else
+
+typedef __fp16 ggml_fp16_internal_t;
+
+#define ggml_vld1q_u32(w,x,y,z) { (w), (x), (y), (z) }
+
+#endif // _MSC_VER
+
+#if !defined(__aarch64__)
+
+// 32-bit ARM compatibility
+
+// vaddlvq_s16
+// vpaddq_s16
+// vpaddq_s32
+// vaddvq_s32
+// vaddvq_f32
+// vmaxvq_f32
+// vcvtnq_s32_f32
+// vzip1_u8
+// vzip2_u8
+
+inline static int32_t vaddlvq_s16(int16x8_t v) {
+ int32x4_t v0 = vreinterpretq_s32_s64(vpaddlq_s32(vpaddlq_s16(v)));
+ return vgetq_lane_s32(v0, 0) + vgetq_lane_s32(v0, 2);
+}
+
+inline static int16x8_t vpaddq_s16(int16x8_t a, int16x8_t b) {
+ int16x4_t a0 = vpadd_s16(vget_low_s16(a), vget_high_s16(a));
+ int16x4_t b0 = vpadd_s16(vget_low_s16(b), vget_high_s16(b));
+ return vcombine_s16(a0, b0);
+}
+
+inline static int32x4_t vpaddq_s32(int32x4_t a, int32x4_t b) {
+ int32x2_t a0 = vpadd_s32(vget_low_s32(a), vget_high_s32(a));
+ int32x2_t b0 = vpadd_s32(vget_low_s32(b), vget_high_s32(b));
+ return vcombine_s32(a0, b0);
+}
+
+inline static int32_t vaddvq_s32(int32x4_t v) {
+ return vgetq_lane_s32(v, 0) + vgetq_lane_s32(v, 1) + vgetq_lane_s32(v, 2) + vgetq_lane_s32(v, 3);
+}
+
+inline static float vaddvq_f32(float32x4_t v) {
+ return vgetq_lane_f32(v, 0) + vgetq_lane_f32(v, 1) + vgetq_lane_f32(v, 2) + vgetq_lane_f32(v, 3);
+}
+
+inline static float vmaxvq_f32(float32x4_t v) {
+ return
+ MAX(MAX(vgetq_lane_f32(v, 0), vgetq_lane_f32(v, 1)),
+ MAX(vgetq_lane_f32(v, 2), vgetq_lane_f32(v, 3)));
+}
+
+inline static int32x4_t vcvtnq_s32_f32(float32x4_t v) {
+ int32x4_t res;
+
+ res[0] = roundf(vgetq_lane_f32(v, 0));
+ res[1] = roundf(vgetq_lane_f32(v, 1));
+ res[2] = roundf(vgetq_lane_f32(v, 2));
+ res[3] = roundf(vgetq_lane_f32(v, 3));
+
+ return res;
+}
+
+inline static uint8x8_t vzip1_u8(uint8x8_t a, uint8x8_t b) {
+ uint8x8_t res;
+
+ res[0] = a[0]; res[1] = b[0];
+ res[2] = a[1]; res[3] = b[1];
+ res[4] = a[2]; res[5] = b[2];
+ res[6] = a[3]; res[7] = b[3];
+
+ return res;
+}
+
+inline static uint8x8_t vzip2_u8(uint8x8_t a, uint8x8_t b) {
+ uint8x8_t res;
+
+ res[0] = a[4]; res[1] = b[4];
+ res[2] = a[5]; res[3] = b[5];
+ res[4] = a[6]; res[5] = b[6];
+ res[6] = a[7]; res[7] = b[7];
+
+ return res;
+}
+
+// vld1q_s16_x2
+// vld1q_u8_x2
+// vld1q_u8_x4
+// vld1q_s8_x2
+// vld1q_s8_x4
+// TODO: double-check these work correctly
+
+typedef struct ggml_int16x8x2_t {
+ int16x8_t val[2];
+} ggml_int16x8x2_t;
+
+inline static ggml_int16x8x2_t ggml_vld1q_s16_x2(const int16_t * ptr) {
+ ggml_int16x8x2_t res;
+
+ res.val[0] = vld1q_s16(ptr + 0);
+ res.val[1] = vld1q_s16(ptr + 8);
+
+ return res;
+}
+
+typedef struct ggml_uint8x16x2_t {
+ uint8x16_t val[2];
+} ggml_uint8x16x2_t;
+
+inline static ggml_uint8x16x2_t ggml_vld1q_u8_x2(const uint8_t * ptr) {
+ ggml_uint8x16x2_t res;
+
+ res.val[0] = vld1q_u8(ptr + 0);
+ res.val[1] = vld1q_u8(ptr + 16);
+
+ return res;
+}
+
+typedef struct ggml_uint8x16x4_t {
+ uint8x16_t val[4];
+} ggml_uint8x16x4_t;
+
+inline static ggml_uint8x16x4_t ggml_vld1q_u8_x4(const uint8_t * ptr) {
+ ggml_uint8x16x4_t res;
+
+ res.val[0] = vld1q_u8(ptr + 0);
+ res.val[1] = vld1q_u8(ptr + 16);
+ res.val[2] = vld1q_u8(ptr + 32);
+ res.val[3] = vld1q_u8(ptr + 48);
+
+ return res;
+}
+
+typedef struct ggml_int8x16x2_t {
+ int8x16_t val[2];
+} ggml_int8x16x2_t;
+
+inline static ggml_int8x16x2_t ggml_vld1q_s8_x2(const int8_t * ptr) {
+ ggml_int8x16x2_t res;
+
+ res.val[0] = vld1q_s8(ptr + 0);
+ res.val[1] = vld1q_s8(ptr + 16);
+
+ return res;
+}
+
+typedef struct ggml_int8x16x4_t {
+ int8x16_t val[4];
+} ggml_int8x16x4_t;
+
+inline static ggml_int8x16x4_t ggml_vld1q_s8_x4(const int8_t * ptr) {
+ ggml_int8x16x4_t res;
+
+ res.val[0] = vld1q_s8(ptr + 0);
+ res.val[1] = vld1q_s8(ptr + 16);
+ res.val[2] = vld1q_s8(ptr + 32);
+ res.val[3] = vld1q_s8(ptr + 48);
+
+ return res;
+}
+
+// NOTE: not tested
+inline static int8x16_t ggml_vqtbl1q_s8(int8x16_t a, uint8x16_t b) {
+ int8x16_t res;
+
+ res[ 0] = a[b[ 0]];
+ res[ 1] = a[b[ 1]];
+ res[ 2] = a[b[ 2]];
+ res[ 3] = a[b[ 3]];
+ res[ 4] = a[b[ 4]];
+ res[ 5] = a[b[ 5]];
+ res[ 6] = a[b[ 6]];
+ res[ 7] = a[b[ 7]];
+ res[ 8] = a[b[ 8]];
+ res[ 9] = a[b[ 9]];
+ res[10] = a[b[10]];
+ res[11] = a[b[11]];
+ res[12] = a[b[12]];
+ res[13] = a[b[13]];
+ res[14] = a[b[14]];
+ res[15] = a[b[15]];
+
+ return res;
+}
+
+// NOTE: not tested
+inline static uint8x16_t ggml_vqtbl1q_u8(uint8x16_t a, uint8x16_t b) {
+ uint8x16_t res;
+
+ res[ 0] = a[b[ 0]];
+ res[ 1] = a[b[ 1]];
+ res[ 2] = a[b[ 2]];
+ res[ 3] = a[b[ 3]];
+ res[ 4] = a[b[ 4]];
+ res[ 5] = a[b[ 5]];
+ res[ 6] = a[b[ 6]];
+ res[ 7] = a[b[ 7]];
+ res[ 8] = a[b[ 8]];
+ res[ 9] = a[b[ 9]];
+ res[10] = a[b[10]];
+ res[11] = a[b[11]];
+ res[12] = a[b[12]];
+ res[13] = a[b[13]];
+ res[14] = a[b[14]];
+ res[15] = a[b[15]];
+
+ return res;
+}
+
+#else
+
+#define ggml_int16x8x2_t int16x8x2_t
+#define ggml_uint8x16x2_t uint8x16x2_t
+#define ggml_uint8x16x4_t uint8x16x4_t
+#define ggml_int8x16x2_t int8x16x2_t
+#define ggml_int8x16x4_t int8x16x4_t
+
+#define ggml_vld1q_s16_x2 vld1q_s16_x2
+#define ggml_vld1q_u8_x2 vld1q_u8_x2
+#define ggml_vld1q_u8_x4 vld1q_u8_x4
+#define ggml_vld1q_s8_x2 vld1q_s8_x2
+#define ggml_vld1q_s8_x4 vld1q_s8_x4
+#define ggml_vqtbl1q_s8 vqtbl1q_s8
+#define ggml_vqtbl1q_u8 vqtbl1q_u8
+
+#endif // !defined(__aarch64__)
+
+#if !defined(__ARM_FEATURE_DOTPROD)
+
+inline static int32x4_t ggml_vdotq_s32(int32x4_t acc, int8x16_t a, int8x16_t b) {
+ const int16x8_t p0 = vmull_s8(vget_low_s8 (a), vget_low_s8 (b));
+ const int16x8_t p1 = vmull_s8(vget_high_s8(a), vget_high_s8(b));
+
+ return vaddq_s32(acc, vaddq_s32(vpaddlq_s16(p0), vpaddlq_s16(p1)));
+}
+
+#else
+
+#define ggml_vdotq_s32(a, b, c) vdotq_s32(a, b, c)
+
+#endif // !defined(__ARM_FEATURE_DOTPROD)
+
+#endif // defined(__ARM_NEON)
+
+#if defined(__ARM_NEON) && !defined(_MSC_VER)
+
+#define GGML_COMPUTE_FP16_TO_FP32(x) ggml_compute_fp16_to_fp32(x)
+#define GGML_COMPUTE_FP32_TO_FP16(x) ggml_compute_fp32_to_fp16(x)
+
+#define GGML_FP16_TO_FP32(x) ggml_compute_fp16_to_fp32(x)
+
+static inline float ggml_compute_fp16_to_fp32(ggml_fp16_t h) {
+ ggml_fp16_internal_t tmp;
+ memcpy(&tmp, &h, sizeof(ggml_fp16_t));
+ return (float)tmp;
+}
+
+static inline ggml_fp16_t ggml_compute_fp32_to_fp16(float f) {
+ ggml_fp16_t res;
+ ggml_fp16_internal_t tmp = f;
+ memcpy(&res, &tmp, sizeof(ggml_fp16_t));
+ return res;
+}
+
+#else
+
+#ifdef __wasm_simd128__
+#include <wasm_simd128.h>
+#else
+#ifdef __POWER9_VECTOR__
+#include <altivec.h>
+#undef bool
+#define bool _Bool
+#else
+#if defined(_MSC_VER) || defined(__MINGW32__)
+#include <intrin.h>
+#else
+#if defined(__AVX__) || defined(__AVX2__) || defined(__AVX512F__) || defined(__SSSE3__) || defined(__SSE3__) || defined(__SSE__)
+#if !defined(__riscv)
+#include <immintrin.h>
+#endif
+#endif
+#endif
+#endif
+#endif
+
+#ifdef __riscv_v_intrinsic
+#include <riscv_vector.h>
+#endif
+
+#if defined(__loongarch64)
+#if defined(__loongarch_asx)
+#include <lasxintrin.h>
+#endif
+#if defined(__loongarch_sx)
+#include <lsxintrin.h>
+#endif
+#endif
+
+#if defined(__loongarch_asx)
+
+typedef union {
+ int32_t i;
+ float f;
+} ft_union;
+
+/* float type data load instructions */
+static __m128 __lsx_vreplfr2vr_s(float val) {
+ ft_union fi_tmpval = {.f = val};
+ return (__m128)__lsx_vreplgr2vr_w(fi_tmpval.i);
+}
+
+static __m256 __lasx_xvreplfr2vr_s(float val) {
+ ft_union fi_tmpval = {.f = val};
+ return (__m256)__lasx_xvreplgr2vr_w(fi_tmpval.i);
+}
+#endif
+
+#ifdef __F16C__
+
+#ifdef _MSC_VER
+#define GGML_COMPUTE_FP16_TO_FP32(x) _mm_cvtss_f32(_mm_cvtph_ps(_mm_cvtsi32_si128(x)))
+#define GGML_COMPUTE_FP32_TO_FP16(x) _mm_extract_epi16(_mm_cvtps_ph(_mm_set_ss(x), 0), 0)
+#else
+#define GGML_COMPUTE_FP16_TO_FP32(x) _cvtsh_ss(x)
+#define GGML_COMPUTE_FP32_TO_FP16(x) _cvtss_sh(x, 0)
+#endif
+
+#elif defined(__POWER9_VECTOR__)
+
+#define GGML_COMPUTE_FP16_TO_FP32(x) ggml_compute_fp16_to_fp32(x)
+#define GGML_COMPUTE_FP32_TO_FP16(x) ggml_compute_fp32_to_fp16(x)
+/* the inline asm below is about 12% faster than the lookup method */
+#define GGML_FP16_TO_FP32(x) GGML_COMPUTE_FP16_TO_FP32(x)
+#define GGML_FP32_TO_FP16(x) GGML_COMPUTE_FP32_TO_FP16(x)
+
+static inline float ggml_compute_fp16_to_fp32(ggml_fp16_t h) {
+ register float f;
+ register double d;
+ __asm__(
+ "mtfprd %0,%2\n"
+ "xscvhpdp %0,%0\n"
+ "frsp %1,%0\n" :
+ /* temp */ "=d"(d),
+ /* out */ "=f"(f):
+ /* in */ "r"(h));
+ return f;
+}
+
+static inline ggml_fp16_t ggml_compute_fp32_to_fp16(float f) {
+ register double d;
+ register ggml_fp16_t r;
+ __asm__( /* xscvdphp can work on double or single precision */
+ "xscvdphp %0,%2\n"
+ "mffprd %1,%0\n" :
+ /* temp */ "=d"(d),
+ /* out */ "=r"(r):
+ /* in */ "f"(f));
+ return r;
+}
+
+#else
+
+// FP16 <-> FP32
+// ref: https://github.com/Maratyszcza/FP16
+
+static inline float fp32_from_bits(uint32_t w) {
+ union {
+ uint32_t as_bits;
+ float as_value;
+ } fp32;
+ fp32.as_bits = w;
+ return fp32.as_value;
+}
+
+static inline uint32_t fp32_to_bits(float f) {
+ union {
+ float as_value;
+ uint32_t as_bits;
+ } fp32;
+ fp32.as_value = f;
+ return fp32.as_bits;
+}
+
+static inline float ggml_compute_fp16_to_fp32(ggml_fp16_t h) {
+ const uint32_t w = (uint32_t) h << 16;
+ const uint32_t sign = w & UINT32_C(0x80000000);
+ const uint32_t two_w = w + w;
+
+ const uint32_t exp_offset = UINT32_C(0xE0) << 23;
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) || defined(__GNUC__) && !defined(__STRICT_ANSI__)
+ const float exp_scale = 0x1.0p-112f;
+#else
+ const float exp_scale = fp32_from_bits(UINT32_C(0x7800000));
+#endif
+ const float normalized_value = fp32_from_bits((two_w >> 4) + exp_offset) * exp_scale;
+
+ const uint32_t magic_mask = UINT32_C(126) << 23;
+ const float magic_bias = 0.5f;
+ const float denormalized_value = fp32_from_bits((two_w >> 17) | magic_mask) - magic_bias;
+
+ const uint32_t denormalized_cutoff = UINT32_C(1) << 27;
+ const uint32_t result = sign |
+ (two_w < denormalized_cutoff ? fp32_to_bits(denormalized_value) : fp32_to_bits(normalized_value));
+ return fp32_from_bits(result);
+}
+
+static inline ggml_fp16_t ggml_compute_fp32_to_fp16(float f) {
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) || defined(__GNUC__) && !defined(__STRICT_ANSI__)
+ const float scale_to_inf = 0x1.0p+112f;
+ const float scale_to_zero = 0x1.0p-110f;
+#else
+ const float scale_to_inf = fp32_from_bits(UINT32_C(0x77800000));
+ const float scale_to_zero = fp32_from_bits(UINT32_C(0x08800000));
+#endif
+ float base = (fabsf(f) * scale_to_inf) * scale_to_zero;
+
+ const uint32_t w = fp32_to_bits(f);
+ const uint32_t shl1_w = w + w;
+ const uint32_t sign = w & UINT32_C(0x80000000);
+ uint32_t bias = shl1_w & UINT32_C(0xFF000000);
+ if (bias < UINT32_C(0x71000000)) {
+ bias = UINT32_C(0x71000000);
+ }
+
+ base = fp32_from_bits((bias >> 1) + UINT32_C(0x07800000)) + base;
+ const uint32_t bits = fp32_to_bits(base);
+ const uint32_t exp_bits = (bits >> 13) & UINT32_C(0x00007C00);
+ const uint32_t mantissa_bits = bits & UINT32_C(0x00000FFF);
+ const uint32_t nonsign = exp_bits + mantissa_bits;
+ return (sign >> 16) | (shl1_w > UINT32_C(0xFF000000) ? UINT16_C(0x7E00) : nonsign);
+}
+
+#define GGML_COMPUTE_FP16_TO_FP32(x) ggml_compute_fp16_to_fp32(x)
+#define GGML_COMPUTE_FP32_TO_FP16(x) ggml_compute_fp32_to_fp16(x)
+
+#endif // __F16C__
+
+#endif // defined(__ARM_NEON) && (!defined(__MSC_VER)
+
+#ifdef __ARM_FEATURE_SVE
+#include <arm_sve.h>
+#endif // __ARM_FEATURE_SVE
+
+// precomputed f32 table for f16 (256 KB)
+// defined in ggml.c, initialized in ggml_init()
+extern float ggml_table_f32_f16[1 << 16];
+
+// On ARM NEON, it's quicker to directly convert x -> x instead of calling into ggml_lookup_fp16_to_fp32,
+// so we define GGML_FP16_TO_FP32 and GGML_FP32_TO_FP16 elsewhere for NEON.
+// This is also true for POWER9.
+#if !defined(GGML_FP16_TO_FP32)
+inline static float ggml_lookup_fp16_to_fp32(ggml_fp16_t f) {
+ uint16_t s;
+ memcpy(&s, &f, sizeof(uint16_t));
+ return ggml_table_f32_f16[s];
+}
+
+#define GGML_FP16_TO_FP32(x) ggml_lookup_fp16_to_fp32(x)
+#endif
+
+#if !defined(GGML_FP32_TO_FP16)
+#define GGML_FP32_TO_FP16(x) GGML_COMPUTE_FP32_TO_FP16(x)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
overview / pkg / ggml / sources / whisper.cpp / commitdiff