}
}
+// Fused MoE TG fast path. Returns false to fall back to the per-expert loop below.
+static bool ggml_sycl_mul_mat_id_mmvq_fused(
+ ggml_backend_sycl_context & ctx, const ggml_tensor * src0,
+ const ggml_tensor * src1, const ggml_tensor * ids, ggml_tensor * dst)
+{
+ const int64_t ne10 = src1->ne[0];
+ const int64_t ne11 = src1->ne[1];
+ const int64_t ne12 = src1->ne[2];
+ if (ne12 != 1) return false;
+ if (src1->type != GGML_TYPE_F32 || dst->type != GGML_TYPE_F32) return false;
+ if (ne10 != src0->ne[0] || ne10 % QK8_1 != 0) return false;
+ if (!ggml_is_contiguous(src1)) return false;
+
+ // Reorder layout not supported; fall back.
+ const ggml_tensor_extra_gpu * src0_extra =
+ static_cast<const ggml_tensor_extra_gpu *>(src0->extra);
+ if (src0_extra && src0_extra->optimized_feature.reorder) return false;
+
+ const int64_t n_ids_per_group = ids->ne[0];
+ if (ids->ne[1] != 1) return false;
+ if (ne11 != 1 && ne11 != n_ids_per_group) return false;
+
+ const queue_ptr stream = ctx.stream();
+ const int src1_padded_cols = GGML_PAD((int) ne10, MATRIX_ROW_PADDING);
+ const int n_experts_used = (int) n_ids_per_group;
+ const int nrows = (int) src0->ne[1];
+
+ ggml_sycl_pool_alloc<char> src1_q8_alloc(ctx.pool(),
+ (size_t) ne11 * src1_padded_cols * sizeof(block_q8_1) / QK8_1);
+ char * src1_ddq = src1_q8_alloc.get();
+ quantize_row_q8_1_sycl<quantize_q8_1>(
+ (const float *) src1->data, src1_ddq, (int) ne10, (int) ne11,
+ src1_padded_cols, stream);
+
+ const size_t bytes_per_qrow = (size_t) src1_padded_cols * sizeof(block_q8_1) / QK8_1;
+ const size_t src1_row_stride = (ne11 == 1) ? 0 : bytes_per_qrow;
+
+ return ggml_sycl_mul_mat_vec_q_id(
+ src0->type, src0->data, src1_ddq, (const int32_t *) ids->data,
+ (float *) dst->data, (int) ne10, nrows, n_experts_used,
+ /*expert_weight_stride=*/ src0->nb[2],
+ /*dst_row_stride=*/ dst->nb[1],
+ src1_row_stride, stream);
+}
+
static void ggml_sycl_mul_mat_id(ggml_backend_sycl_context & ctx,
ggml_tensor *dst) try {
scope_op_debug_print scope_dbg_print(__func__, dst, /*num_src=*/3);
const int64_t n_as = ne02;
const int64_t n_ids = ids->ne[0];
+ if (ne12 == 1) {
+ if (ggml_sycl_mul_mat_id_mmvq_fused(ctx, src0, src1, ids, dst)) {
+ return;
+ }
+ }
+
std::vector<char> ids_host(ggml_nbytes(ids));
const char * ids_dev = (const char *) ids->data;
GGML_UNUSED(src1_ddf_i);
GGML_UNUSED(ctx);
}
+
+// src1_row_stride: 0 for shared src1 (gate/up proj), else per-expert stride (down proj).
+template <int qk, int qi, typename block_q_t, int vdr, vec_dot_q_sycl_t vec_dot_q_sycl>
+static void mul_mat_vec_q_moe(
+ const void * __restrict__ vx_base, const void * __restrict__ vy_base,
+ float * __restrict__ dst_base, const int32_t * __restrict__ ids_dev,
+ const int ncols, const int nrows,
+ const size_t expert_weight_stride, const size_t dst_row_stride,
+ const size_t src1_row_stride,
+ const sycl::nd_item<3> & item_ct1) {
+
+ const int expert_idx = item_ct1.get_group(1);
+ const int i02 = ids_dev[expert_idx];
+
+ const char * vx = (const char *) vx_base + (size_t) i02 * expert_weight_stride;
+ const char * vy = (const char *) vy_base + (size_t) expert_idx * src1_row_stride;
+ float * dst = (float *) ((char *) dst_base + (size_t) expert_idx * dst_row_stride);
+
+ const int row = item_ct1.get_group(2) * item_ct1.get_local_range(1) + item_ct1.get_local_id(1);
+
+ if (row >= nrows) {
+ return;
+ }
+
+ const int blocks_per_row = ncols / qk;
+ constexpr int blocks_per_warp = (vdr * WARP_SIZE + qi - 1) / qi;
+
+ float tmp = 0.0f;
+
+ const block_q_t * x = (const block_q_t *) vx;
+ const block_q8_1 * y = (const block_q8_1 *) vy;
+
+ for (int i = item_ct1.get_local_id(2) / (qi / vdr); i < blocks_per_row; i += blocks_per_warp) {
+ const int ibx = row * blocks_per_row + i;
+ const int iby = i * (qk / QK8_1);
+
+ for (size_t elem = 0; elem < qi / vdr; elem += WARP_SIZE) {
+ const int iqs = elem + vdr * (item_ct1.get_local_id(2) % (qi / vdr));
+ tmp += vec_dot_q_sycl(&x[ibx], &y[iby], iqs);
+ }
+ }
+
+#pragma unroll
+ for (int mask = WARP_SIZE / 2; mask > 0; mask >>= 1) {
+ tmp += dpct::permute_sub_group_by_xor(item_ct1.get_sub_group(), tmp, mask);
+ }
+
+ if (item_ct1.get_local_id(2) == 0) {
+ dst[row] = tmp;
+ }
+}
+
+template <int qk, int qi, typename block_q_t, int vdr, vec_dot_q_sycl_t vec_dot_q_sycl>
+static void launch_mul_mat_vec_q_moe(
+ const void * vx_base, const void * vy, const int32_t * ids_dev,
+ float * dst_base, const int ncols, const int nrows, const int n_experts_used,
+ const size_t expert_weight_stride, const size_t dst_row_stride,
+ const size_t src1_row_stride,
+ dpct::queue_ptr stream) {
+ const int block_num_y = (nrows + GGML_SYCL_MMV_Y - 1) / GGML_SYCL_MMV_Y;
+ const sycl::range<3> block_nums(1, (unsigned) n_experts_used, (unsigned) block_num_y);
+ const sycl::range<3> block_dims(1, GGML_SYCL_MMV_Y, WARP_SIZE);
+ stream->submit([&](sycl::handler & cgh) {
+ cgh.parallel_for(
+ sycl::nd_range<3>(block_nums * block_dims, block_dims),
+ [=](sycl::nd_item<3> item) [[sycl::reqd_sub_group_size(WARP_SIZE)]] {
+ mul_mat_vec_q_moe<qk, qi, block_q_t, vdr, vec_dot_q_sycl>(
+ vx_base, vy, dst_base, ids_dev, ncols, nrows,
+ expert_weight_stride, dst_row_stride, src1_row_stride, item);
+ });
+ });
+}
+
+bool ggml_sycl_mul_mat_vec_q_id(
+ enum ggml_type src0_type,
+ const void * vx_base,
+ const void * vy,
+ const int32_t * ids_dev,
+ float * dst_base,
+ int ncols,
+ int nrows,
+ int n_experts_used,
+ size_t expert_weight_stride,
+ size_t dst_row_stride,
+ size_t src1_row_stride,
+ dpct::queue_ptr stream) {
+ switch (src0_type) {
+ case GGML_TYPE_Q4_0:
+ launch_mul_mat_vec_q_moe<QK4_0, QI4_0, block_q4_0, VDR_Q4_0_Q8_1_MMVQ, vec_dot_q4_0_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q4_1:
+ launch_mul_mat_vec_q_moe<QK4_1, QI4_1, block_q4_1, VDR_Q4_1_Q8_1_MMVQ, vec_dot_q4_1_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q5_0:
+ launch_mul_mat_vec_q_moe<QK5_0, QI5_0, block_q5_0, VDR_Q5_0_Q8_1_MMVQ, vec_dot_q5_0_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q5_1:
+ launch_mul_mat_vec_q_moe<QK5_1, QI5_1, block_q5_1, VDR_Q5_1_Q8_1_MMVQ, vec_dot_q5_1_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q8_0:
+ launch_mul_mat_vec_q_moe<QK8_0, QI8_0, block_q8_0, VDR_Q8_0_Q8_1_MMVQ, vec_dot_q8_0_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q2_K:
+ launch_mul_mat_vec_q_moe<QK_K, QI2_K, block_q2_K, VDR_Q2_K_Q8_1_MMVQ, vec_dot_q2_K_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q3_K:
+ launch_mul_mat_vec_q_moe<QK_K, QI3_K, block_q3_K, VDR_Q3_K_Q8_1_MMVQ, vec_dot_q3_K_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q4_K:
+ launch_mul_mat_vec_q_moe<QK_K, QI4_K, block_q4_K, VDR_Q4_K_Q8_1_MMVQ, vec_dot_q4_K_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q5_K:
+ launch_mul_mat_vec_q_moe<QK_K, QI5_K, block_q5_K, VDR_Q5_K_Q8_1_MMVQ, vec_dot_q5_K_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_Q6_K:
+ launch_mul_mat_vec_q_moe<QK_K, QI6_K, block_q6_K, VDR_Q6_K_Q8_1_MMVQ, vec_dot_q6_K_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_MXFP4:
+ launch_mul_mat_vec_q_moe<QK_MXFP4, QI_MXFP4, block_mxfp4, VDR_MXFP4_Q8_1_MMVQ, vec_dot_mxfp4_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ case GGML_TYPE_NVFP4:
+ launch_mul_mat_vec_q_moe<QK_NVFP4, QI_NVFP4, block_nvfp4, VDR_NVFP4_Q8_1_MMVQ, vec_dot_nvfp4_q8_1>(
+ vx_base, vy, ids_dev, dst_base, ncols, nrows, n_experts_used,
+ expert_weight_stride, dst_row_stride, src1_row_stride, stream);
+ return true;
+ default:
+ return false;
+ }
+}