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1 files changed, 150 insertions, 0 deletions

diff --git a/llama.cpp/ggml/src/ggml-cuda/ssm-conv.cu b/llama.cpp/ggml/src/ggml-cuda/ssm-conv.cu
new file mode 100644
index 0000000..6d5ea70
--- /dev/null
+++ b/llama.cpp/ggml/src/ggml-cuda/ssm-conv.cu
@@ -0,0 +1,150 @@
+#include "ssm-conv.cuh"
+
+template <size_t split_d_inner, size_t d_conv>
+static __global__ void ssm_conv_f32(const float * __restrict__ src0, const float * __restrict__ src1,
+                                    const int src0_nb0, const int src0_nb1, const int src0_nb2, const int src1_nb1,
+                                    float * __restrict__ dst, const int dst_nb0, const int dst_nb1, const int dst_nb2,
+                                    const int64_t n_t) {
+    GGML_UNUSED(src0_nb0);
+    const int tid  = threadIdx.x;
+    const int bidx = blockIdx.x;
+    const int bidy = blockIdx.y;
+
+    const float * x_block = (const float *) ((const char *) src0 + bidx * src0_nb2 + bidy * split_d_inner * src0_nb1);
+    const float * w_block = (const float *) ((const char *) src1 + bidy * split_d_inner * src1_nb1);
+    float *       y_block = (float *) ((char *) dst + bidx * dst_nb2 + bidy * split_d_inner * dst_nb0);
+
+    const int stride_x = src0_nb1 / sizeof(float);
+    const int stride_w = src1_nb1 / sizeof(float);
+    const int stride_y = dst_nb1 / sizeof(float);
+
+    float x[d_conv] = { 0.0f };
+    float w[d_conv] = { 0.0f };
+
+#pragma unroll
+    for (size_t j = 0; j < d_conv; j++) {
+        w[j] = w_block[tid * stride_w + j];
+    }
+
+    for (int64_t i = 0; i < n_t; i++) {
+        float sumf = 0.0f;
+
+        if (i == 0) {
+            for (size_t j = 0; j < d_conv; j++) {
+                x[j] = x_block[tid * stride_x + j];
+            }
+        } else {
+            x[(i - 1) % d_conv] = x_block[tid * stride_x + i + d_conv - 1];
+        }
+
+#pragma unroll
+        for (size_t j = 0; j < d_conv; j++) {
+            sumf += x[(i + j) % d_conv] * w[j];
+        }
+        y_block[i * stride_y + tid] = sumf;
+    }
+}
+
+template <size_t split_d_inner, size_t d_conv, int64_t split_n_t>
+static __global__ void ssm_conv_long_token_f32(const float * __restrict__ src0, const float * __restrict__ src1,
+                                               const int src0_nb0, const int src0_nb1, const int src0_nb2,
+                                               const int src1_nb1, float * __restrict__ dst, const int dst_nb0,
+                                               const int dst_nb1, const int dst_nb2, const int64_t n_t) {
+    const int tid  = threadIdx.x;
+    const int bidx = blockIdx.x;
+    const int bidy = blockIdx.y;
+    const int bidz = blockIdx.z;
+
+    const float * x_block = (const float *) ((const char *) src0 + bidx * src0_nb2 + bidy * split_d_inner * src0_nb1 +
+                                             bidz * split_n_t * src0_nb0);
+    const float * w_block = (const float *) ((const char *) src1 + bidy * split_d_inner * src1_nb1);
+    float *       y_block =
+        (float *) ((char *) dst + bidx * dst_nb2 + bidz * split_n_t * dst_nb1 + bidy * split_d_inner * dst_nb0);
+
+    const int stride_x = src0_nb1 / sizeof(float);
+    const int stride_w = src1_nb1 / sizeof(float);
+    const int stride_y = dst_nb1 / sizeof(float);
+
+    float x[d_conv] = { 0.0f };
+    float w[d_conv] = { 0.0f };
+
+#pragma unroll
+    for (size_t j = 0; j < d_conv; j++) {
+        w[j] = w_block[tid * stride_w + j];
+    }
+
+#pragma unroll
+    for (int64_t i = 0; i < split_n_t; i++) {
+        if (bidz * split_n_t + i < n_t) {
+            float sumf = 0.0f;
+
+            if (i == 0) {
+                for (size_t j = 0; j < d_conv; j++) {
+                    x[j] = x_block[tid * stride_x + j];
+                }
+            } else {
+                x[(i - 1) % d_conv] = x_block[tid * stride_x + i + d_conv - 1];
+            }
+
+#pragma unroll
+            for (size_t j = 0; j < d_conv; j++) {
+                sumf += x[(i + j) % d_conv] * w[j];
+            }
+            y_block[i * stride_y + tid] = sumf;
+        }
+    }
+}
+
+static void ssm_conv_f32_cuda(const float * src0, const float * src1, const int src0_nb0, const int src0_nb1,
+                              const int src0_nb2, const int src1_nb1, float * dst, const int dst_nb0, const int dst_nb1,
+                              const int dst_nb2, const int64_t nc, const int64_t nr, const int64_t n_t,
+                              const int64_t n_s, cudaStream_t stream) {
+    const int threads = 128;
+    GGML_ASSERT(nr % threads == 0);
+
+    auto launch_kernel = [&](auto NC) {
+        constexpr int kNC = decltype(NC)::value;
+        if (n_t <= 32) {
+            const dim3 blocks(n_s, (nr + threads - 1) / threads, 1);
+            ssm_conv_f32<threads, kNC><<<blocks, threads, 0, stream>>>(src0, src1, src0_nb0, src0_nb1, src0_nb2, src1_nb1,
+                                                                       dst, dst_nb0, dst_nb1, dst_nb2, n_t);
+        } else {
+            const int64_t split_n_t = 32;
+            dim3          blocks(n_s, (nr + threads - 1) / threads, (n_t + split_n_t - 1) / split_n_t);
+            ssm_conv_long_token_f32<threads, kNC, split_n_t><<<blocks, threads, 0, stream>>>(
+                src0, src1, src0_nb0, src0_nb1, src0_nb2, src1_nb1, dst, dst_nb0, dst_nb1, dst_nb2, n_t);
+        }
+    };
+
+    switch (nc) {
+        case 3: launch_kernel(std::integral_constant<int, 3>{}); break;
+        case 4: launch_kernel(std::integral_constant<int, 4>{}); break;
+        case 9: launch_kernel(std::integral_constant<int, 9>{}); break;
+        default: GGML_ABORT("Only support kernel sizes 3, 4, 9 right now.");
+    }
+}
+
+void ggml_cuda_op_ssm_conv(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
+    const struct ggml_tensor * src0 = dst->src[0];  // conv_x
+    const struct ggml_tensor * src1 = dst->src[1];  // conv1d.weight
+
+    const int64_t nc  = src1->ne[0];                // d_conv
+    const int64_t nr  = src0->ne[1];                // d_inner
+    const int64_t n_t = dst->ne[1];                 // tokens per sequence
+    const int64_t n_s = dst->ne[2];                 // number of sequences in the batch
+
+    GGML_ASSERT(dst->ne[0] == nr);
+    GGML_ASSERT(src0->nb[0] == sizeof(float));
+    GGML_ASSERT(src1->nb[0] == sizeof(float));
+    GGML_ASSERT(src0->nb[1] == src0->ne[0] * sizeof(float));
+
+    const float * src0_d = (const float *) src0->data;
+    const float * src1_d = (const float *) src1->data;
+    float *       dst_d  = (float *) dst->data;
+    cudaStream_t  stream = ctx.stream();
+
+    GGML_ASSERT(src0->type == GGML_TYPE_F32);
+    GGML_ASSERT(dst->type == GGML_TYPE_F32);
+    ssm_conv_f32_cuda(src0_d, src1_d, src0->nb[0], src0->nb[1], src0->nb[2], src1->nb[1], dst_d, dst->nb[0], dst->nb[1],
+                      dst->nb[2], nc, nr, n_t, n_s, stream);
+}