mirror of
https://github.com/ggerganov/llama.cpp.git
synced 2024-12-26 14:20:31 +01:00
rpc : backend refactoring (#9912)
* rpc : refactor backend Use structs for RPC request/response messages * rpc : refactor server
This commit is contained in:
Radoslav Gerganov
GitHub
parent
87421a23e8
commit
afd9909a64
@ -58,7 +58,7 @@ struct socket_t {
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};
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// ggml_tensor is serialized into rpc_tensor
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#pragma pack(push, 1)
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#pragma pack(1)
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struct rpc_tensor {
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uint64_t id;
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uint32_t type;
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@ -76,7 +76,6 @@ struct rpc_tensor {
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char padding[4];
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};
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#pragma pack(pop)
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static_assert(sizeof(rpc_tensor) % 8 == 0, "rpc_tensor size must be multiple of 8");
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@ -96,6 +95,77 @@ enum rpc_cmd {
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RPC_CMD_COUNT,
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};
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#pragma pack(1)
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struct rpc_msg_alloc_buffer_req {
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uint64_t size;
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};
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#pragma pack(1)
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struct rpc_msg_alloc_buffer_rsp {
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uint64_t remote_ptr;
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uint64_t remote_size;
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};
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#pragma pack(1)
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struct rpc_msg_get_alignment_rsp {
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uint64_t alignment;
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};
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#pragma pack(1)
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struct rpc_msg_get_max_size_rsp {
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uint64_t max_size;
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};
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#pragma pack(1)
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struct rpc_msg_buffer_get_base_req {
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uint64_t remote_ptr;
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};
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#pragma pack(1)
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struct rpc_msg_buffer_get_base_rsp {
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uint64_t base_ptr;
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};
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#pragma pack(1)
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struct rpc_msg_free_buffer_req {
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uint64_t remote_ptr;
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};
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#pragma pack(1)
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struct rpc_msg_buffer_clear_req {
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uint64_t remote_ptr;
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uint8_t value;
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};
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#pragma pack(1)
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struct rpc_msg_get_tensor_req {
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rpc_tensor tensor;
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uint64_t offset;
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uint64_t size;
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};
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#pragma pack(1)
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struct rpc_msg_copy_tensor_req {
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rpc_tensor src;
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rpc_tensor dst;
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};
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#pragma pack(1)
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struct rpc_msg_copy_tensor_rsp {
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uint8_t result;
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};
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#pragma pack(1)
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struct rpc_msg_graph_compute_rsp {
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uint8_t result;
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};
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#pragma pack(1)
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struct rpc_msg_get_device_memory_rsp {
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uint64_t free_mem;
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uint64_t total_mem;
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};
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// RPC data structures
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static ggml_guid_t ggml_backend_rpc_guid() {
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@ -240,6 +310,38 @@ static bool recv_data(sockfd_t sockfd, void * data, size_t size) {
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return true;
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}
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static bool send_msg(sockfd_t sockfd, const void * msg, size_t msg_size) {
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if (!send_data(sockfd, &msg_size, sizeof(msg_size))) {
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return false;
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}
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return send_data(sockfd, msg, msg_size);
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}
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static bool recv_msg(sockfd_t sockfd, void * msg, size_t msg_size) {
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uint64_t size;
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if (!recv_data(sockfd, &size, sizeof(size))) {
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return false;
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}
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if (size != msg_size) {
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return false;
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}
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return recv_data(sockfd, msg, msg_size);
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}
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static bool recv_msg(sockfd_t sockfd, std::vector<uint8_t> & input) {
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uint64_t size;
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if (!recv_data(sockfd, &size, sizeof(size))) {
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return false;
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}
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try {
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input.resize(size);
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} catch (const std::bad_alloc & e) {
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fprintf(stderr, "Failed to allocate input buffer of size %" PRIu64 "\n", size);
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return false;
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}
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return recv_data(sockfd, input.data(), size);
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}
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static bool parse_endpoint(const std::string & endpoint, std::string & host, int & port) {
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size_t pos = endpoint.find(':');
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if (pos == std::string::npos) {
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@ -252,28 +354,27 @@ static bool parse_endpoint(const std::string & endpoint, std::string & host, int
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// RPC request : | rpc_cmd (1 byte) | request_size (8 bytes) | request_data (request_size bytes) |
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// RPC response: | response_size (8 bytes) | response_data (response_size bytes) |
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static bool send_rpc_cmd(const std::shared_ptr<socket_t> & sock, enum rpc_cmd cmd, const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
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static bool send_rpc_cmd(const std::shared_ptr<socket_t> & sock, enum rpc_cmd cmd, const void * input, size_t input_size, void * output, size_t output_size) {
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uint8_t cmd_byte = cmd;
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if (!send_data(sock->fd, &cmd_byte, sizeof(cmd_byte))) {
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return false;
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}
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uint64_t input_size = input.size();
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if (!send_data(sock->fd, &input_size, sizeof(input_size))) {
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return false;
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}
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if (!send_data(sock->fd, input.data(), input.size())) {
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if (!send_data(sock->fd, input, input_size)) {
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return false;
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}
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uint64_t output_size;
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if (!recv_data(sock->fd, &output_size, sizeof(output_size))) {
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// TODO: currently the output_size is always known, do we need support for commands with variable output size?
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// even if we do, we can skip sending output_size from the server for commands with known output size
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uint64_t out_size;
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if (!recv_data(sock->fd, &out_size, sizeof(out_size))) {
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return false;
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}
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if (output_size == 0) {
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output.clear();
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return true;
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if (out_size != output_size) {
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return false;
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}
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output.resize(output_size);
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if (!recv_data(sock->fd, output.data(), output_size)) {
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if (!recv_data(sock->fd, output, output_size)) {
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return false;
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}
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return true;
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@ -326,14 +427,9 @@ static const char * ggml_backend_rpc_buffer_get_name(ggml_backend_buffer_t buffe
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static void ggml_backend_rpc_buffer_free_buffer(ggml_backend_buffer_t buffer) {
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ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
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// input serialization format: | remote_ptr (8 bytes) |
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std::vector<uint8_t> input(sizeof(uint64_t), 0);
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uint64_t remote_ptr = ctx->remote_ptr;
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memcpy(input.data(), &remote_ptr, sizeof(remote_ptr));
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_FREE_BUFFER, input, output);
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rpc_msg_free_buffer_req request = {ctx->remote_ptr};
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_FREE_BUFFER, &request, sizeof(request), nullptr, 0);
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GGML_ASSERT(status);
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GGML_ASSERT(output.empty());
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delete ctx;
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}
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@ -342,20 +438,13 @@ static void * ggml_backend_rpc_buffer_get_base(ggml_backend_buffer_t buffer) {
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if (ctx->base_cache.find(buffer) != ctx->base_cache.end()) {
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return ctx->base_cache[buffer];
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}
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// input serialization format: | remote_ptr (8 bytes) |
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std::vector<uint8_t> input(sizeof(uint64_t), 0);
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uint64_t remote_ptr = ctx->remote_ptr;
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memcpy(input.data(), &remote_ptr, sizeof(remote_ptr));
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_GET_BASE, input, output);
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rpc_msg_buffer_get_base_req request = {ctx->remote_ptr};
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rpc_msg_buffer_get_base_rsp response;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_GET_BASE, &request, sizeof(request), &response, sizeof(response));
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == sizeof(uint64_t));
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// output serialization format: | base_ptr (8 bytes) |
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uint64_t base_ptr;
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memcpy(&base_ptr, output.data(), sizeof(base_ptr));
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void * base = reinterpret_cast<void *>(base_ptr);
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ctx->base_cache[buffer] = base;
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return base;
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void * base_ptr = reinterpret_cast<void *>(response.base_ptr);
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ctx->base_cache[buffer] = base_ptr;
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return base_ptr;
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}
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static rpc_tensor serialize_tensor(const ggml_tensor * tensor) {
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@ -405,26 +494,18 @@ static void ggml_backend_rpc_buffer_set_tensor(ggml_backend_buffer_t buffer, ggm
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memcpy(input.data(), &rpc_tensor, sizeof(rpc_tensor));
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memcpy(input.data() + sizeof(rpc_tensor), &offset, sizeof(offset));
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memcpy(input.data() + sizeof(rpc_tensor) + sizeof(offset), data, size);
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_SET_TENSOR, input, output);
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_SET_TENSOR, input.data(), input.size(), nullptr, 0);
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GGML_ASSERT(status);
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}
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static void ggml_backend_rpc_buffer_get_tensor(ggml_backend_buffer_t buffer, const ggml_tensor * tensor, void * data, size_t offset, size_t size) {
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ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
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// input serialization format: | rpc_tensor | offset (8 bytes) | size (8 bytes) |
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int input_size = sizeof(rpc_tensor) + 2*sizeof(uint64_t);
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std::vector<uint8_t> input(input_size, 0);
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rpc_tensor rpc_tensor = serialize_tensor(tensor);
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memcpy(input.data(), &rpc_tensor, sizeof(rpc_tensor));
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memcpy(input.data() + sizeof(rpc_tensor), &offset, sizeof(offset));
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memcpy(input.data() + sizeof(rpc_tensor) + sizeof(offset), &size, sizeof(size));
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_GET_TENSOR, input, output);
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rpc_msg_get_tensor_req request;
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request.tensor = serialize_tensor(tensor);
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request.offset = offset;
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request.size = size;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_GET_TENSOR, &request, sizeof(request), data, size);
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == size);
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// output serialization format: | data (size bytes) |
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memcpy(data, output.data(), size);
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}
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static bool ggml_backend_rpc_buffer_cpy_tensor(ggml_backend_buffer_t buffer, const ggml_tensor * src, ggml_tensor * dst) {
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@ -437,30 +518,19 @@ static bool ggml_backend_rpc_buffer_cpy_tensor(ggml_backend_buffer_t buffer, con
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return false;
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}
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ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
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// input serialization format: | rpc_tensor src | rpc_tensor dst |
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int input_size = 2*sizeof(rpc_tensor);
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std::vector<uint8_t> input(input_size, 0);
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rpc_tensor rpc_src = serialize_tensor(src);
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rpc_tensor rpc_dst = serialize_tensor(dst);
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memcpy(input.data(), &rpc_src, sizeof(rpc_src));
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memcpy(input.data() + sizeof(rpc_src), &rpc_dst, sizeof(rpc_dst));
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_COPY_TENSOR, input, output);
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rpc_msg_copy_tensor_req request;
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request.src = serialize_tensor(src);
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request.dst = serialize_tensor(dst);
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rpc_msg_copy_tensor_rsp response;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_COPY_TENSOR, &request, sizeof(request), &response, sizeof(response));
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GGML_ASSERT(status);
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// output serialization format: | result (1 byte) |
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GGML_ASSERT(output.size() == 1);
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return output[0];
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return response.result;
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}
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static void ggml_backend_rpc_buffer_clear(ggml_backend_buffer_t buffer, uint8_t value) {
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ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
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// serialization format: | bufptr (8 bytes) | value (1 byte) |
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int input_size = sizeof(uint64_t) + sizeof(uint8_t);
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std::vector<uint8_t> input(input_size, 0);
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memcpy(input.data(), &ctx->remote_ptr, sizeof(ctx->remote_ptr));
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memcpy(input.data() + sizeof(ctx->remote_ptr), &value, sizeof(value));
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_CLEAR, input, output);
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rpc_msg_buffer_clear_req request = {ctx->remote_ptr, value};
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bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_CLEAR, &request, sizeof(request), nullptr, 0);
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GGML_ASSERT(status);
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}
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@ -484,25 +554,16 @@ static const char * ggml_backend_rpc_buffer_type_name(ggml_backend_buffer_type_t
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static ggml_backend_buffer_t ggml_backend_rpc_buffer_type_alloc_buffer(ggml_backend_buffer_type_t buft, size_t size) {
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ggml_backend_rpc_buffer_type_context * buft_ctx = (ggml_backend_rpc_buffer_type_context *)buft->context;
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// input serialization format: | size (8 bytes) |
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int input_size = sizeof(uint64_t);
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std::vector<uint8_t> input(input_size, 0);
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memcpy(input.data(), &size, sizeof(size));
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std::vector<uint8_t> output;
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rpc_msg_alloc_buffer_req request = {size};
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rpc_msg_alloc_buffer_rsp response;
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auto sock = get_socket(buft_ctx->endpoint);
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bool status = send_rpc_cmd(sock, RPC_CMD_ALLOC_BUFFER, input, output);
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bool status = send_rpc_cmd(sock, RPC_CMD_ALLOC_BUFFER, &request, sizeof(request), &response, sizeof(response));
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == 2*sizeof(uint64_t));
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// output serialization format: | remote_ptr (8 bytes) | remote_size (8 bytes) |
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uint64_t remote_ptr;
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memcpy(&remote_ptr, output.data(), sizeof(remote_ptr));
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size_t remote_size;
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memcpy(&remote_size, output.data() + sizeof(uint64_t), sizeof(remote_size));
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if (remote_ptr != 0) {
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if (response.remote_ptr != 0) {
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ggml_backend_buffer_t buffer = ggml_backend_buffer_init(buft,
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ggml_backend_rpc_buffer_interface,
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new ggml_backend_rpc_buffer_context{sock, {}, remote_ptr, "RPC[" + std::string(buft_ctx->endpoint) + "]"},
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remote_size);
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new ggml_backend_rpc_buffer_context{sock, {}, response.remote_ptr, "RPC[" + std::string(buft_ctx->endpoint) + "]"},
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response.remote_size);
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return buffer;
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} else {
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return nullptr;
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@ -510,16 +571,10 @@ static ggml_backend_buffer_t ggml_backend_rpc_buffer_type_alloc_buffer(ggml_back
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}
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static size_t get_alignment(const std::shared_ptr<socket_t> & sock) {
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// input serialization format: | 0 bytes |
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std::vector<uint8_t> input;
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(sock, RPC_CMD_GET_ALIGNMENT, input, output);
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rpc_msg_get_alignment_rsp response;
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bool status = send_rpc_cmd(sock, RPC_CMD_GET_ALIGNMENT, nullptr, 0, &response, sizeof(response));
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == sizeof(uint64_t));
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// output serialization format: | alignment (8 bytes) |
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uint64_t alignment;
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memcpy(&alignment, output.data(), sizeof(alignment));
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return alignment;
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return response.alignment;
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}
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static size_t ggml_backend_rpc_buffer_type_get_alignment(ggml_backend_buffer_type_t buft) {
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@ -528,16 +583,10 @@ static size_t ggml_backend_rpc_buffer_type_get_alignment(ggml_backend_buffer_typ
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}
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static size_t get_max_size(const std::shared_ptr<socket_t> & sock) {
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// input serialization format: | 0 bytes |
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std::vector<uint8_t> input;
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std::vector<uint8_t> output;
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bool status = send_rpc_cmd(sock, RPC_CMD_GET_MAX_SIZE, input, output);
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rpc_msg_get_max_size_rsp response;
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bool status = send_rpc_cmd(sock, RPC_CMD_GET_MAX_SIZE, nullptr, 0, &response, sizeof(response));
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == sizeof(uint64_t));
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// output serialization format: | max_size (8 bytes) |
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uint64_t max_size;
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memcpy(&max_size, output.data(), sizeof(max_size));
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return max_size;
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return response.max_size;
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}
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static size_t ggml_backend_rpc_get_max_size(ggml_backend_buffer_type_t buft) {
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@ -622,12 +671,11 @@ static enum ggml_status ggml_backend_rpc_graph_compute(ggml_backend_t backend, g
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ggml_backend_rpc_context * rpc_ctx = (ggml_backend_rpc_context *)backend->context;
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std::vector<uint8_t> input;
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serialize_graph(cgraph, input);
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std::vector<uint8_t> output;
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rpc_msg_graph_compute_rsp response;
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auto sock = get_socket(rpc_ctx->endpoint);
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bool status = send_rpc_cmd(sock, RPC_CMD_GRAPH_COMPUTE, input, output);
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bool status = send_rpc_cmd(sock, RPC_CMD_GRAPH_COMPUTE, input.data(), input.size(), &response, sizeof(response));
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GGML_ASSERT(status);
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GGML_ASSERT(output.size() == 1);
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return (enum ggml_status)output[0];
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return (enum ggml_status)response.result;
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}
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static ggml_backend_i ggml_backend_rpc_interface = {
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@ -702,19 +750,11 @@ GGML_API bool ggml_backend_is_rpc(ggml_backend_t backend) {
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}
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static void get_device_memory(const std::shared_ptr<socket_t> & sock, size_t * free, size_t * total) {
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// input serialization format: | 0 bytes |
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std::vector<uint8_t> input;
|
||||
std::vector<uint8_t> output;
|
||||
bool status = send_rpc_cmd(sock, RPC_CMD_GET_DEVICE_MEMORY, input, output);
|
||||
rpc_msg_get_device_memory_rsp response;
|
||||
bool status = send_rpc_cmd(sock, RPC_CMD_GET_DEVICE_MEMORY, nullptr, 0, &response, sizeof(response));
|
||||
GGML_ASSERT(status);
|
||||
GGML_ASSERT(output.size() == 2*sizeof(uint64_t));
|
||||
// output serialization format: | free (8 bytes) | total (8 bytes) |
|
||||
uint64_t free_mem;
|
||||
memcpy(&free_mem, output.data(), sizeof(free_mem));
|
||||
uint64_t total_mem;
|
||||
memcpy(&total_mem, output.data() + sizeof(uint64_t), sizeof(total_mem));
|
||||
*free = free_mem;
|
||||
*total = total_mem;
|
||||
*free = response.free_mem;
|
||||
*total = response.total_mem;
|
||||
}
|
||||
|
||||
GGML_API void ggml_backend_rpc_get_device_memory(const char * endpoint, size_t * free, size_t * total) {
|
||||
@ -734,16 +774,16 @@ public:
|
||||
rpc_server(ggml_backend_t backend) : backend(backend) {}
|
||||
~rpc_server();
|
||||
|
||||
bool alloc_buffer(const std::vector<uint8_t> & input, std::vector<uint8_t> & output);
|
||||
void get_alignment(std::vector<uint8_t> & output);
|
||||
void get_max_size(std::vector<uint8_t> & output);
|
||||
bool buffer_get_base(const std::vector<uint8_t> & input, std::vector<uint8_t> & output);
|
||||
bool free_buffer(const std::vector<uint8_t> & input);
|
||||
bool buffer_clear(const std::vector<uint8_t> & input);
|
||||
void alloc_buffer(const rpc_msg_alloc_buffer_req & request, rpc_msg_alloc_buffer_rsp & response);
|
||||
void get_alignment(rpc_msg_get_alignment_rsp & response);
|
||||
void get_max_size(rpc_msg_get_max_size_rsp & response);
|
||||
bool buffer_get_base(const rpc_msg_buffer_get_base_req & request, rpc_msg_buffer_get_base_rsp & response);
|
||||
bool free_buffer(const rpc_msg_free_buffer_req & request);
|
||||
bool buffer_clear(const rpc_msg_buffer_clear_req & request);
|
||||
bool set_tensor(const std::vector<uint8_t> & input);
|
||||
bool get_tensor(const std::vector<uint8_t> & input, std::vector<uint8_t> & output);
|
||||
bool copy_tensor(const std::vector<uint8_t> & input, std::vector<uint8_t> & output);
|
||||
bool graph_compute(const std::vector<uint8_t> & input, std::vector<uint8_t> & output);
|
||||
bool get_tensor(const rpc_msg_get_tensor_req & request, std::vector<uint8_t> & response);
|
||||
bool copy_tensor(const rpc_msg_copy_tensor_req & request, rpc_msg_copy_tensor_rsp & response);
|
||||
bool graph_compute(const std::vector<uint8_t> & input, rpc_msg_graph_compute_rsp & response);
|
||||
|
||||
private:
|
||||
ggml_tensor * deserialize_tensor(struct ggml_context * ctx, const rpc_tensor * tensor);
|
||||
@ -757,80 +797,50 @@ private:
|
||||
std::unordered_set<ggml_backend_buffer_t> buffers;
|
||||
};
|
||||
|
||||
bool rpc_server::alloc_buffer(const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
|
||||
// input serialization format: | size (8 bytes) |
|
||||
if (input.size() != sizeof(uint64_t)) {
|
||||
return false;
|
||||
}
|
||||
uint64_t size;
|
||||
memcpy(&size, input.data(), sizeof(size));
|
||||
void rpc_server::alloc_buffer(const rpc_msg_alloc_buffer_req & request, rpc_msg_alloc_buffer_rsp & response) {
|
||||
ggml_backend_buffer_type_t buft = ggml_backend_get_default_buffer_type(backend);
|
||||
ggml_backend_buffer_t buffer = ggml_backend_buft_alloc_buffer(buft, size);
|
||||
uint64_t remote_ptr = 0;
|
||||
uint64_t remote_size = 0;
|
||||
ggml_backend_buffer_t buffer = ggml_backend_buft_alloc_buffer(buft, request.size);
|
||||
response.remote_ptr = 0;
|
||||
response.remote_size = 0;
|
||||
if (buffer != nullptr) {
|
||||
remote_ptr = reinterpret_cast<uint64_t>(buffer);
|
||||
remote_size = buffer->size;
|
||||
GGML_PRINT_DEBUG("[%s] size: %" PRIu64 " -> remote_ptr: %" PRIx64 ", remote_size: %" PRIu64 "\n", __func__, size, remote_ptr, remote_size);
|
||||
response.remote_ptr = reinterpret_cast<uint64_t>(buffer);
|
||||
response.remote_size = buffer->size;
|
||||
GGML_PRINT_DEBUG("[%s] size: %" PRIu64 " -> remote_ptr: %" PRIx64 ", remote_size: %" PRIu64 "\n", __func__, request.size, response.remote_ptr, response.remote_size);
|
||||
buffers.insert(buffer);
|
||||
} else {
|
||||
GGML_PRINT_DEBUG("[%s] size: %" PRIu64 " -> failed\n", __func__, size);
|
||||
GGML_PRINT_DEBUG("[%s] size: %" PRIu64 " -> failed\n", __func__, request.size);
|
||||
}
|
||||
// output serialization format: | remote_ptr (8 bytes) | remote_size (8 bytes) |
|
||||
output.resize(2*sizeof(uint64_t), 0);
|
||||
memcpy(output.data(), &remote_ptr, sizeof(remote_ptr));
|
||||
memcpy(output.data() + sizeof(uint64_t), &remote_size, sizeof(remote_size));
|
||||
return true;
|
||||
}
|
||||
|
||||
void rpc_server::get_alignment(std::vector<uint8_t> & output) {
|
||||
void rpc_server::get_alignment(rpc_msg_get_alignment_rsp & response) {
|
||||
ggml_backend_buffer_type_t buft = ggml_backend_get_default_buffer_type(backend);
|
||||
size_t alignment = ggml_backend_buft_get_alignment(buft);
|
||||
GGML_PRINT_DEBUG("[%s] alignment: %lu\n", __func__, alignment);
|
||||
// output serialization format: | alignment (8 bytes) |
|
||||
output.resize(sizeof(uint64_t), 0);
|
||||
memcpy(output.data(), &alignment, sizeof(alignment));
|
||||
response.alignment = alignment;
|
||||
}
|
||||
|
||||
void rpc_server::get_max_size(std::vector<uint8_t> & output) {
|
||||
void rpc_server::get_max_size(rpc_msg_get_max_size_rsp & response) {
|
||||
ggml_backend_buffer_type_t buft = ggml_backend_get_default_buffer_type(backend);
|
||||
size_t max_size = ggml_backend_buft_get_max_size(buft);
|
||||
GGML_PRINT_DEBUG("[%s] max_size: %lu\n", __func__, max_size);
|
||||
// output serialization format: | max_size (8 bytes) |
|
||||
output.resize(sizeof(uint64_t), 0);
|
||||
memcpy(output.data(), &max_size, sizeof(max_size));
|
||||
response.max_size = max_size;
|
||||
}
|
||||
|
||||
bool rpc_server::buffer_get_base(const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
|
||||
// input serialization format: | remote_ptr (8 bytes) |
|
||||
if (input.size() != sizeof(uint64_t)) {
|
||||
return false;
|
||||
}
|
||||
uint64_t remote_ptr;
|
||||
memcpy(&remote_ptr, input.data(), sizeof(remote_ptr));
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 "\n", __func__, remote_ptr);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(remote_ptr);
|
||||
bool rpc_server::buffer_get_base(const rpc_msg_buffer_get_base_req & request, rpc_msg_buffer_get_base_rsp & response) {
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 "\n", __func__, request.remote_ptr);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(request.remote_ptr);
|
||||
if (buffers.find(buffer) == buffers.end()) {
|
||||
GGML_PRINT_DEBUG("[%s] buffer not found\n", __func__);
|
||||
return false;
|
||||
}
|
||||
void * base = ggml_backend_buffer_get_base(buffer);
|
||||
// output serialization format: | base_ptr (8 bytes) |
|
||||
uint64_t base_ptr = reinterpret_cast<uint64_t>(base);
|
||||
output.resize(sizeof(uint64_t), 0);
|
||||
memcpy(output.data(), &base_ptr, sizeof(base_ptr));
|
||||
response.base_ptr = reinterpret_cast<uint64_t>(base);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool rpc_server::free_buffer(const std::vector<uint8_t> & input) {
|
||||
// input serialization format: | remote_ptr (8 bytes) |
|
||||
if (input.size() != sizeof(uint64_t)) {
|
||||
return false;
|
||||
}
|
||||
uint64_t remote_ptr;
|
||||
memcpy(&remote_ptr, input.data(), sizeof(remote_ptr));
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 "\n", __func__, remote_ptr);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(remote_ptr);
|
||||
bool rpc_server::free_buffer(const rpc_msg_free_buffer_req & request) {
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 "\n", __func__, request.remote_ptr);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(request.remote_ptr);
|
||||
if (buffers.find(buffer) == buffers.end()) {
|
||||
GGML_PRINT_DEBUG("[%s] buffer not found\n", __func__);
|
||||
return false;
|
||||
@ -840,22 +850,14 @@ bool rpc_server::free_buffer(const std::vector<uint8_t> & input) {
|
||||
return true;
|
||||
}
|
||||
|
||||
bool rpc_server::buffer_clear(const std::vector<uint8_t> & input) {
|
||||
// input serialization format: | remote_ptr (8 bytes) | value (1 byte) |
|
||||
if (input.size() != sizeof(uint64_t) + sizeof(uint8_t)) {
|
||||
return false;
|
||||
}
|
||||
uint64_t remote_ptr;
|
||||
memcpy(&remote_ptr, input.data(), sizeof(remote_ptr));
|
||||
uint8_t value;
|
||||
memcpy(&value, input.data() + sizeof(uint64_t), sizeof(value));
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 ", value: %u\n", __func__, remote_ptr, value);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(remote_ptr);
|
||||
bool rpc_server::buffer_clear(const rpc_msg_buffer_clear_req & request) {
|
||||
GGML_PRINT_DEBUG("[%s] remote_ptr: %" PRIx64 ", value: %u\n", __func__, request.remote_ptr, request.value);
|
||||
ggml_backend_buffer_t buffer = reinterpret_cast<ggml_backend_buffer_t>(request.remote_ptr);
|
||||
if (buffers.find(buffer) == buffers.end()) {
|
||||
GGML_PRINT_DEBUG("[%s] buffer not found\n", __func__);
|
||||
return false;
|
||||
}
|
||||
ggml_backend_buffer_clear(buffer, value);
|
||||
ggml_backend_buffer_clear(buffer, request.value);
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -930,74 +932,55 @@ bool rpc_server::set_tensor(const std::vector<uint8_t> & input) {
|
||||
return true;
|
||||
}
|
||||
|
||||
bool rpc_server::get_tensor(const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
|
||||
// serialization format: | rpc_tensor | offset (8 bytes) | size (8 bytes) |
|
||||
if (input.size() != sizeof(rpc_tensor) + 2*sizeof(uint64_t)) {
|
||||
return false;
|
||||
}
|
||||
const rpc_tensor * in_tensor = (const rpc_tensor *)input.data();
|
||||
uint64_t offset;
|
||||
memcpy(&offset, input.data() + sizeof(rpc_tensor), sizeof(offset));
|
||||
uint64_t size;
|
||||
memcpy(&size, input.data() + sizeof(rpc_tensor) + sizeof(offset), sizeof(size));
|
||||
|
||||
bool rpc_server::get_tensor(const rpc_msg_get_tensor_req & request, std::vector<uint8_t> & response) {
|
||||
struct ggml_init_params params {
|
||||
/*.mem_size =*/ ggml_tensor_overhead(),
|
||||
/*.mem_buffer =*/ NULL,
|
||||
/*.no_alloc =*/ true,
|
||||
};
|
||||
struct ggml_context * ctx = ggml_init(params);
|
||||
ggml_tensor * tensor = deserialize_tensor(ctx, in_tensor);
|
||||
ggml_tensor * tensor = deserialize_tensor(ctx, &request.tensor);
|
||||
if (tensor == nullptr) {
|
||||
GGML_PRINT_DEBUG("[%s] error deserializing tensor\n", __func__);
|
||||
ggml_free(ctx);
|
||||
return false;
|
||||
}
|
||||
GGML_PRINT_DEBUG("[%s] buffer: %p, data: %p, offset: %" PRIu64 ", size: %" PRIu64 "\n", __func__, (void*)tensor->buffer, tensor->data, offset, size);
|
||||
GGML_PRINT_DEBUG("[%s] buffer: %p, data: %p, offset: %" PRIu64 ", size: %" PRIu64 "\n", __func__, (void*)tensor->buffer, tensor->data, request.offset, request.size);
|
||||
|
||||
// sanitize tensor->data
|
||||
{
|
||||
const size_t p0 = (size_t) ggml_backend_buffer_get_base(tensor->buffer);
|
||||
const size_t p1 = p0 + ggml_backend_buffer_get_size(tensor->buffer);
|
||||
|
||||
if (in_tensor->data + offset < p0 || in_tensor->data + offset >= p1 || size > (p1 - in_tensor->data - offset)) {
|
||||
if (request.tensor.data + request.offset < p0 ||
|
||||
request.tensor.data + request.offset >= p1 ||
|
||||
request.size > (p1 - request.tensor.data - request.offset)) {
|
||||
GGML_ABORT("[%s] tensor->data out of bounds\n", __func__);
|
||||
}
|
||||
}
|
||||
|
||||
// output serialization format: | data (size bytes) |
|
||||
output.resize(size, 0);
|
||||
ggml_backend_tensor_get(tensor, output.data(), offset, size);
|
||||
response.resize(request.size, 0);
|
||||
ggml_backend_tensor_get(tensor, response.data(), request.offset, request.size);
|
||||
ggml_free(ctx);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool rpc_server::copy_tensor(const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
|
||||
// serialization format: | rpc_tensor src | rpc_tensor dst |
|
||||
if (input.size() != 2*sizeof(rpc_tensor)) {
|
||||
return false;
|
||||
}
|
||||
const rpc_tensor * rpc_src = (const rpc_tensor *)input.data();
|
||||
const rpc_tensor * rpc_dst = (const rpc_tensor *)(input.data() + sizeof(rpc_src));
|
||||
|
||||
bool rpc_server::copy_tensor(const rpc_msg_copy_tensor_req & request, rpc_msg_copy_tensor_rsp & response) {
|
||||
struct ggml_init_params params {
|
||||
/*.mem_size =*/ 2*ggml_tensor_overhead(),
|
||||
/*.mem_buffer =*/ NULL,
|
||||
/*.no_alloc =*/ true,
|
||||
};
|
||||
struct ggml_context * ctx = ggml_init(params);
|
||||
ggml_tensor * src = deserialize_tensor(ctx, rpc_src);
|
||||
ggml_tensor * dst = deserialize_tensor(ctx, rpc_dst);
|
||||
ggml_tensor * src = deserialize_tensor(ctx, &request.src);
|
||||
ggml_tensor * dst = deserialize_tensor(ctx, &request.dst);
|
||||
if (src == nullptr || dst == nullptr) {
|
||||
GGML_PRINT_DEBUG("[%s] error deserializing tensors\n", __func__);
|
||||
ggml_free(ctx);
|
||||
return false;
|
||||
}
|
||||
GGML_PRINT_DEBUG("[%s] src->buffer: %p, dst->buffer: %p\n", __func__, (void*)src->buffer, (void*)dst->buffer);
|
||||
bool result = ggml_backend_buffer_copy_tensor(src, dst);
|
||||
// output serialization format: | result (1 byte) |
|
||||
output.resize(1, 0);
|
||||
output[0] = result;
|
||||
response.result = ggml_backend_buffer_copy_tensor(src, dst);
|
||||
ggml_free(ctx);
|
||||
return true;
|
||||
}
|
||||
@ -1026,7 +1009,7 @@ ggml_tensor * rpc_server::create_node(uint64_t id,
|
||||
return result;
|
||||
}
|
||||
|
||||
bool rpc_server::graph_compute(const std::vector<uint8_t> & input, std::vector<uint8_t> & output) {
|
||||
bool rpc_server::graph_compute(const std::vector<uint8_t> & input, rpc_msg_graph_compute_rsp & response) {
|
||||
// serialization format:
|
||||
// | n_nodes (4 bytes) | nodes (n_nodes * sizeof(uint64_t) | n_tensors (4 bytes) | tensors (n_tensors * sizeof(rpc_tensor)) |
|
||||
if (input.size() < sizeof(uint32_t)) {
|
||||
@ -1066,9 +1049,7 @@ bool rpc_server::graph_compute(const std::vector<uint8_t> & input, std::vector<u
|
||||
graph->nodes[i] = create_node(id, ctx, tensor_ptrs, tensor_map);
|
||||
}
|
||||
ggml_status status = ggml_backend_graph_compute(backend, graph);
|
||||
// output serialization format: | status (1 byte) |
|
||||
output.resize(1, 0);
|
||||
output[0] = status;
|
||||
response.result = status;
|
||||
ggml_free(ctx);
|
||||
return true;
|
||||
}
|
||||
@ -1091,85 +1072,153 @@ static void rpc_serve_client(ggml_backend_t backend, sockfd_t sockfd, size_t fre
|
||||
fprintf(stderr, "Unknown command: %d\n", cmd);
|
||||
break;
|
||||
}
|
||||
std::vector<uint8_t> input;
|
||||
std::vector<uint8_t> output;
|
||||
uint64_t input_size;
|
||||
if (!recv_data(sockfd, &input_size, sizeof(input_size))) {
|
||||
break;
|
||||
}
|
||||
try {
|
||||
input.resize(input_size);
|
||||
} catch (const std::bad_alloc & e) {
|
||||
fprintf(stderr, "Failed to allocate input buffer of size %" PRIu64 "\n", input_size);
|
||||
break;
|
||||
}
|
||||
if (!recv_data(sockfd, input.data(), input_size)) {
|
||||
break;
|
||||
}
|
||||
bool ok = true;
|
||||
switch (cmd) {
|
||||
case RPC_CMD_ALLOC_BUFFER: {
|
||||
ok = server.alloc_buffer(input, output);
|
||||
rpc_msg_alloc_buffer_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_alloc_buffer_rsp response;
|
||||
server.alloc_buffer(request, response);
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_GET_ALIGNMENT: {
|
||||
server.get_alignment(output);
|
||||
if (!recv_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_get_alignment_rsp response;
|
||||
server.get_alignment(response);
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_GET_MAX_SIZE: {
|
||||
server.get_max_size(output);
|
||||
if (!recv_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_get_max_size_rsp response;
|
||||
server.get_max_size(response);
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_BUFFER_GET_BASE: {
|
||||
ok = server.buffer_get_base(input, output);
|
||||
rpc_msg_buffer_get_base_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_buffer_get_base_rsp response;
|
||||
if (!server.buffer_get_base(request, response)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_FREE_BUFFER: {
|
||||
ok = server.free_buffer(input);
|
||||
rpc_msg_free_buffer_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
if (!server.free_buffer(request)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_BUFFER_CLEAR: {
|
||||
ok = server.buffer_clear(input);
|
||||
rpc_msg_buffer_clear_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
if (!server.buffer_clear(request)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_SET_TENSOR: {
|
||||
ok = server.set_tensor(input);
|
||||
std::vector<uint8_t> input;
|
||||
if (!recv_msg(sockfd, input)) {
|
||||
return;
|
||||
}
|
||||
if (!server.set_tensor(input)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_GET_TENSOR: {
|
||||
ok = server.get_tensor(input, output);
|
||||
rpc_msg_get_tensor_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
std::vector<uint8_t> response;
|
||||
if (!server.get_tensor(request, response)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, response.data(), response.size())) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_COPY_TENSOR: {
|
||||
ok = server.copy_tensor(input, output);
|
||||
rpc_msg_copy_tensor_req request;
|
||||
if (!recv_msg(sockfd, &request, sizeof(request))) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_copy_tensor_rsp response;
|
||||
if (!server.copy_tensor(request, response)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_GRAPH_COMPUTE: {
|
||||
ok = server.graph_compute(input, output);
|
||||
std::vector<uint8_t> input;
|
||||
if (!recv_msg(sockfd, input)) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_graph_compute_rsp response;
|
||||
if (!server.graph_compute(input, response)) {
|
||||
return;
|
||||
}
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case RPC_CMD_GET_DEVICE_MEMORY: {
|
||||
// output serialization format: | free (8 bytes) | total (8 bytes) |
|
||||
output.resize(2*sizeof(uint64_t), 0);
|
||||
memcpy(output.data(), &free_mem, sizeof(free_mem));
|
||||
memcpy(output.data() + sizeof(uint64_t), &total_mem, sizeof(total_mem));
|
||||
if (!recv_msg(sockfd, nullptr, 0)) {
|
||||
return;
|
||||
}
|
||||
rpc_msg_get_device_memory_rsp response;
|
||||
response.free_mem = free_mem;
|
||||
response.total_mem = total_mem;
|
||||
if (!send_msg(sockfd, &response, sizeof(response))) {
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
fprintf(stderr, "Unknown command: %d\n", cmd);
|
||||
ok = false;
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (!ok) {
|
||||
break;
|
||||
}
|
||||
uint64_t output_size = output.size();
|
||||
if (!send_data(sockfd, &output_size, sizeof(output_size))) {
|
||||
break;
|
||||
}
|
||||
if (!send_data(sockfd, output.data(), output_size)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user