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@@ -397,119 +397,118 @@ inline static void ggml_vec_mad_f32(const int n, float * GGML_RESTRICT y, const
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}
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}
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inline static void ggml_vec_mad_f16(const int n, ggml_fp16_t * GGML_RESTRICT y, const ggml_fp16_t * GGML_RESTRICT x, const float v) {
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inline static void ggml_vec_mad_f16(const int n, ggml_fp16_t * GGML_RESTRICT y, const ggml_fp16_t * GGML_RESTRICT x, const float v) {
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-#if defined(GGML_SIMD)
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- #if defined(__ARM_FEATURE_SVE)
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- const int sve_register_length = svcntb() * 8;
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- const int ggml_f16_epr = sve_register_length / 16;
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- const int ggml_f16_step = 8 * ggml_f16_epr;
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+#if defined(GGML_SIMD) && defined(__ARM_FEATURE_SVE)
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+ const int sve_register_length = svcntb() * 8;
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+ const int ggml_f16_epr = sve_register_length / 16;
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+ const int ggml_f16_step = 8 * ggml_f16_epr;
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- GGML_F16x_VEC vx = GGML_F16x_VEC_SET1(v);
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+ GGML_F16x_VEC vx = GGML_F16x_VEC_SET1(v);
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- const int np= (n & ~(ggml_f16_step - 1));
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+ int np = (n & ~(ggml_f16_step - 1));
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- svfloat16_t ax1, ax2, ax3, ax4, ax5, ax6, ax7, ax8;
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- svfloat16_t ay1, ay2, ay3, ay4, ay5, ay6, ay7, ay8;
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- for (int i = 0; i < np; i += ggml_f16_step) {
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- ax1 = GGML_F16x_VEC_LOAD(x + i + 0 * ggml_f16_epr, 0);
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- ay1 = GGML_F16x_VEC_LOAD(y + i + 0 * ggml_f16_epr, 0);
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- ay1 = GGML_F16x_VEC_FMA(ay1, ax1, vx);
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+ svfloat16_t ax1, ax2, ax3, ax4, ax5, ax6, ax7, ax8;
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+ svfloat16_t ay1, ay2, ay3, ay4, ay5, ay6, ay7, ay8;
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+ for (int i = 0; i < np; i += ggml_f16_step) {
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+ ax1 = GGML_F16x_VEC_LOAD(x + i + 0 * ggml_f16_epr, 0);
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+ ay1 = GGML_F16x_VEC_LOAD(y + i + 0 * ggml_f16_epr, 0);
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+ ay1 = GGML_F16x_VEC_FMA(ay1, ax1, vx);
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- GGML_F16x_VEC_STORE(y + i + 0 * ggml_f16_epr, ay1, 0);
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+ GGML_F16x_VEC_STORE(y + i + 0 * ggml_f16_epr, ay1, 0);
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- ax2 = GGML_F16x_VEC_LOAD(x + i + 1 * ggml_f16_epr, 1);
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- ay2 = GGML_F16x_VEC_LOAD(y + i + 1 * ggml_f16_epr, 1);
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- ay2 = GGML_F16x_VEC_FMA(ay2, ax2, vx);
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+ ax2 = GGML_F16x_VEC_LOAD(x + i + 1 * ggml_f16_epr, 1);
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+ ay2 = GGML_F16x_VEC_LOAD(y + i + 1 * ggml_f16_epr, 1);
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+ ay2 = GGML_F16x_VEC_FMA(ay2, ax2, vx);
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- GGML_F16x_VEC_STORE(y + i + 1 * ggml_f16_epr, ay2, 1);
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+ GGML_F16x_VEC_STORE(y + i + 1 * ggml_f16_epr, ay2, 1);
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- ax3 = GGML_F16x_VEC_LOAD(x + i + 2 * ggml_f16_epr, 2);
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- ay3 = GGML_F16x_VEC_LOAD(y + i + 2 * ggml_f16_epr, 2);
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- ay3 = GGML_F16x_VEC_FMA(ay3, ax3, vx);
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+ ax3 = GGML_F16x_VEC_LOAD(x + i + 2 * ggml_f16_epr, 2);
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+ ay3 = GGML_F16x_VEC_LOAD(y + i + 2 * ggml_f16_epr, 2);
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+ ay3 = GGML_F16x_VEC_FMA(ay3, ax3, vx);
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- GGML_F16x_VEC_STORE(y + i + 2 * ggml_f16_epr, ay3, 2);
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+ GGML_F16x_VEC_STORE(y + i + 2 * ggml_f16_epr, ay3, 2);
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- ax4 = GGML_F16x_VEC_LOAD(x + i + 3 * ggml_f16_epr, 3);
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- ay4 = GGML_F16x_VEC_LOAD(y + i + 3 * ggml_f16_epr, 3);
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- ay4 = GGML_F16x_VEC_FMA(ay4, ax4, vx);
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+ ax4 = GGML_F16x_VEC_LOAD(x + i + 3 * ggml_f16_epr, 3);
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+ ay4 = GGML_F16x_VEC_LOAD(y + i + 3 * ggml_f16_epr, 3);
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+ ay4 = GGML_F16x_VEC_FMA(ay4, ax4, vx);
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- GGML_F16x_VEC_STORE(y + i + 3 * ggml_f16_epr, ay4, 3);
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+ GGML_F16x_VEC_STORE(y + i + 3 * ggml_f16_epr, ay4, 3);
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- ax5 = GGML_F16x_VEC_LOAD(x + i + 4 * ggml_f16_epr, 4);
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- ay5 = GGML_F16x_VEC_LOAD(y + i + 4 * ggml_f16_epr, 4);
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- ay5 = GGML_F16x_VEC_FMA(ay5, ax5, vx);
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+ ax5 = GGML_F16x_VEC_LOAD(x + i + 4 * ggml_f16_epr, 4);
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+ ay5 = GGML_F16x_VEC_LOAD(y + i + 4 * ggml_f16_epr, 4);
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+ ay5 = GGML_F16x_VEC_FMA(ay5, ax5, vx);
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- GGML_F16x_VEC_STORE(y + i + 4 * ggml_f16_epr, ay5, 4);
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+ GGML_F16x_VEC_STORE(y + i + 4 * ggml_f16_epr, ay5, 4);
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- ax6 = GGML_F16x_VEC_LOAD(x + i + 5 * ggml_f16_epr, 5);
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- ay6 = GGML_F16x_VEC_LOAD(y + i + 5 * ggml_f16_epr, 5);
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- ay6 = GGML_F16x_VEC_FMA(ay6, ax6, vx);
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+ ax6 = GGML_F16x_VEC_LOAD(x + i + 5 * ggml_f16_epr, 5);
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+ ay6 = GGML_F16x_VEC_LOAD(y + i + 5 * ggml_f16_epr, 5);
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+ ay6 = GGML_F16x_VEC_FMA(ay6, ax6, vx);
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- GGML_F16x_VEC_STORE(y + i + 5 * ggml_f16_epr, ay6, 5);
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+ GGML_F16x_VEC_STORE(y + i + 5 * ggml_f16_epr, ay6, 5);
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- ax7 = GGML_F16x_VEC_LOAD(x + i + 6 * ggml_f16_epr, 6);
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- ay7 = GGML_F16x_VEC_LOAD(y + i + 6 * ggml_f16_epr, 6);
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- ay7 = GGML_F16x_VEC_FMA(ay7, ax7, vx);
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+ ax7 = GGML_F16x_VEC_LOAD(x + i + 6 * ggml_f16_epr, 6);
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+ ay7 = GGML_F16x_VEC_LOAD(y + i + 6 * ggml_f16_epr, 6);
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+ ay7 = GGML_F16x_VEC_FMA(ay7, ax7, vx);
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- GGML_F16x_VEC_STORE(y + i + 6 * ggml_f16_epr, ay7, 6);
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+ GGML_F16x_VEC_STORE(y + i + 6 * ggml_f16_epr, ay7, 6);
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- ax8 = GGML_F16x_VEC_LOAD(x + i + 7 * ggml_f16_epr, 7);
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- ay8 = GGML_F16x_VEC_LOAD(y + i + 7 * ggml_f16_epr, 7);
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- ay8 = GGML_F16x_VEC_FMA(ay8, ax8, vx);
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+ ax8 = GGML_F16x_VEC_LOAD(x + i + 7 * ggml_f16_epr, 7);
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+ ay8 = GGML_F16x_VEC_LOAD(y + i + 7 * ggml_f16_epr, 7);
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+ ay8 = GGML_F16x_VEC_FMA(ay8, ax8, vx);
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- GGML_F16x_VEC_STORE(y + i + 7 * ggml_f16_epr, ay8, 7);
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- }
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- const int np2 = (n & ~(ggml_f16_epr - 1));
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- for (int k = np; k < np2; k += ggml_f16_epr) {
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- svfloat16_t rx = GGML_F16x_VEC_LOAD(x + k, 0);
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- svfloat16_t ry = GGML_F16x_VEC_LOAD(y + k, 0);
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- ry = GGML_F16x_VEC_FMA(ry, rx, vx);
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-
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- GGML_F16x_VEC_STORE(y + k, ry, 0);
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- }
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-
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- if (np2 < n) {
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- svbool_t pg = svwhilelt_b16(np2, n);
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- svfloat16_t hx = svld1_f16(pg, (const __fp16 *)(x + np2));
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- svfloat16_t hy = svld1_f16(pg, (const __fp16 *)(y + np2));
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- hy = svmad_f16_x(pg, hx, vx, hy);
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- svst1_f16(pg, (__fp16 *)(y + np2), hy);
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- }
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+ GGML_F16x_VEC_STORE(y + i + 7 * ggml_f16_epr, ay8, 7);
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+ }
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+ const int np2 = (n & ~(ggml_f16_epr - 1));
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+ for (int k = np; k < np2; k += ggml_f16_epr) {
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+ svfloat16_t rx = GGML_F16x_VEC_LOAD(x + k, 0);
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+ svfloat16_t ry = GGML_F16x_VEC_LOAD(y + k, 0);
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+ ry = GGML_F16x_VEC_FMA(ry, rx, vx);
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- #elif defined(__riscv_v_intrinsic)
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- // todo: RVV impl
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- // scalar
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- for (int i = 0; i < n; ++i) {
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- y[i] = GGML_CPU_FP32_TO_FP16(GGML_CPU_FP16_TO_FP32(y[i]) + GGML_CPU_FP16_TO_FP32(x[i])*v);
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- }
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- #else
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- const int np = (n & ~(GGML_F16_STEP - 1));
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+ GGML_F16x_VEC_STORE(y + k, ry, 0);
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+ }
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- GGML_F16_VEC vx = GGML_F16_VEC_SET1(v);
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+ if (np2 < n) {
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+ svbool_t pg = svwhilelt_b16(np2, n);
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+ svfloat16_t hx = svld1_f16(pg, (const __fp16 *)(x + np2));
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+ svfloat16_t hy = svld1_f16(pg, (const __fp16 *)(y + np2));
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+ hy = svmad_f16_x(pg, hx, vx, hy);
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+ svst1_f16(pg, (__fp16 *)(y + np2), hy);
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+ }
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+ np = n;
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+#elif defined(__riscv_zvfh) // implies __riscv_v_intrinsic
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+ const int np = n;
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+ _Float16 hv = (_Float16)v;
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+ for (int i = 0, avl; i < n; i += avl) {
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+ avl = __riscv_vsetvl_e16m8(n - i);
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+ vfloat16m8_t ax = __riscv_vle16_v_f16m8((const _Float16 *)&x[i], avl);
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+ vfloat16m8_t ay = __riscv_vle16_v_f16m8((_Float16 *)&y[i], avl);
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+ vfloat16m8_t ny = __riscv_vfmadd_vf_f16m8(ax, hv, ay, avl);
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+ __riscv_vse16_v_f16m8((_Float16 *)&y[i], ny, avl);
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+ }
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+#elif defined(GGML_SIMD)
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+ const int np = (n & ~(GGML_F16_STEP - 1));
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- GGML_F16_VEC ax[GGML_F16_ARR];
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- GGML_F16_VEC ay[GGML_F16_ARR];
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+ GGML_F16_VEC vx = GGML_F16_VEC_SET1(v);
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- for (int i = 0; i < np; i += GGML_F16_STEP) {
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- for (int j = 0; j < GGML_F16_ARR; j++) {
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- ax[j] = GGML_F16_VEC_LOAD(x + i + j*GGML_F16_EPR, j);
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- ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j);
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- ay[j] = GGML_F16_VEC_FMA(ay[j], ax[j], vx);
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+ GGML_F16_VEC ax[GGML_F16_ARR];
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+ GGML_F16_VEC ay[GGML_F16_ARR];
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- GGML_F16_VEC_STORE(y + i + j*GGML_F16_EPR, ay, j);
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- }
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- }
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+ for (int i = 0; i < np; i += GGML_F16_STEP) {
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+ for (int j = 0; j < GGML_F16_ARR; j++) {
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+ ax[j] = GGML_F16_VEC_LOAD(x + i + j*GGML_F16_EPR, j);
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+ ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j);
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+ ay[j] = GGML_F16_VEC_FMA(ay[j], ax[j], vx);
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- // leftovers
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- for (int i = np; i < n; ++i) {
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- y[i] = GGML_CPU_FP32_TO_FP16(GGML_CPU_FP16_TO_FP32(y[i]) + GGML_CPU_FP16_TO_FP32(x[i])*v);
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+ GGML_F16_VEC_STORE(y + i + j*GGML_F16_EPR, ay, j);
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}
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}
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- #endif
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+ }
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#else
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#else
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- // scalar
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- for (int i = 0; i < n; ++i) {
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+ const int np = 0;
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+#endif
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+
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+ // leftovers
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+ for (int i = np; i < n; ++i) {
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y[i] = GGML_CPU_FP32_TO_FP16(GGML_CPU_FP16_TO_FP32(y[i]) + GGML_CPU_FP16_TO_FP32(x[i])*v);
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y[i] = GGML_CPU_FP32_TO_FP16(GGML_CPU_FP16_TO_FP32(y[i]) + GGML_CPU_FP16_TO_FP32(x[i])*v);
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}
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}
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-#endif
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}
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}
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// xs and vs are byte strides of x and v
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// xs and vs are byte strides of x and v
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