};
// ggml_tensor is serialized into rpc_tensor
-#pragma pack(push, 1)
+#pragma pack(1)
struct rpc_tensor {
uint64_t id;
uint32_t type;
char padding[4];
};
-#pragma pack(pop)
static_assert(sizeof(rpc_tensor) % 8 == 0, "rpc_tensor size must be multiple of 8");
RPC_CMD_COUNT,
};
+#pragma pack(1)
+struct rpc_msg_alloc_buffer_req {
+ uint64_t size;
+};
+
+#pragma pack(1)
+struct rpc_msg_alloc_buffer_rsp {
+ uint64_t remote_ptr;
+ uint64_t remote_size;
+};
+
+#pragma pack(1)
+struct rpc_msg_get_alignment_rsp {
+ uint64_t alignment;
+};
+
+#pragma pack(1)
+struct rpc_msg_get_max_size_rsp {
+ uint64_t max_size;
+};
+
+#pragma pack(1)
+struct rpc_msg_buffer_get_base_req {
+ uint64_t remote_ptr;
+};
+
+#pragma pack(1)
+struct rpc_msg_buffer_get_base_rsp {
+ uint64_t base_ptr;
+};
+
+#pragma pack(1)
+struct rpc_msg_free_buffer_req {
+ uint64_t remote_ptr;
+};
+
+#pragma pack(1)
+struct rpc_msg_buffer_clear_req {
+ uint64_t remote_ptr;
+ uint8_t value;
+};
+
+#pragma pack(1)
+struct rpc_msg_get_tensor_req {
+ rpc_tensor tensor;
+ uint64_t offset;
+ uint64_t size;
+};
+
+#pragma pack(1)
+struct rpc_msg_copy_tensor_req {
+ rpc_tensor src;
+ rpc_tensor dst;
+};
+
+#pragma pack(1)
+struct rpc_msg_copy_tensor_rsp {
+ uint8_t result;
+};
+
+#pragma pack(1)
+struct rpc_msg_graph_compute_rsp {
+ uint8_t result;
+};
+
+#pragma pack(1)
+struct rpc_msg_get_device_memory_rsp {
+ uint64_t free_mem;
+ uint64_t total_mem;
+};
+
// RPC data structures
static ggml_guid_t ggml_backend_rpc_guid() {
return true;
}
+static bool send_msg(sockfd_t sockfd, const void * msg, size_t msg_size) {
+ if (!send_data(sockfd, &msg_size, sizeof(msg_size))) {
+ return false;
+ }
+ return send_data(sockfd, msg, msg_size);
+}
+
+static bool recv_msg(sockfd_t sockfd, void * msg, size_t msg_size) {
+ uint64_t size;
+ if (!recv_data(sockfd, &size, sizeof(size))) {
+ return false;
+ }
+ if (size != msg_size) {
+ return false;
+ }
+ return recv_data(sockfd, msg, msg_size);
+}
+
+static bool recv_msg(sockfd_t sockfd, std::vector<uint8_t> & input) {
+ uint64_t size;
+ if (!recv_data(sockfd, &size, sizeof(size))) {
+ return false;
+ }
+ try {
+ input.resize(size);
+ } catch (const std::bad_alloc & e) {
+ fprintf(stderr, "Failed to allocate input buffer of size %" PRIu64 "\n", size);
+ return false;
+ }
+ return recv_data(sockfd, input.data(), size);
+}
+
static bool parse_endpoint(const std::string & endpoint, std::string & host, int & port) {
size_t pos = endpoint.find(':');
if (pos == std::string::npos) {
// RPC request : | rpc_cmd (1 byte) | request_size (8 bytes) | request_data (request_size bytes) |
// RPC response: | response_size (8 bytes) | response_data (response_size bytes) |
-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) {
+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) {
uint8_t cmd_byte = cmd;
if (!send_data(sock->fd, &cmd_byte, sizeof(cmd_byte))) {
return false;
}
- uint64_t input_size = input.size();
if (!send_data(sock->fd, &input_size, sizeof(input_size))) {
return false;
}
- if (!send_data(sock->fd, input.data(), input.size())) {
+ if (!send_data(sock->fd, input, input_size)) {
return false;
}
- uint64_t output_size;
- if (!recv_data(sock->fd, &output_size, sizeof(output_size))) {
+ // TODO: currently the output_size is always known, do we need support for commands with variable output size?
+ // even if we do, we can skip sending output_size from the server for commands with known output size
+ uint64_t out_size;
+ if (!recv_data(sock->fd, &out_size, sizeof(out_size))) {
return false;
}
- if (output_size == 0) {
- output.clear();
- return true;
+ if (out_size != output_size) {
+ return false;
}
- output.resize(output_size);
- if (!recv_data(sock->fd, output.data(), output_size)) {
+ if (!recv_data(sock->fd, output, output_size)) {
return false;
}
return true;
static void ggml_backend_rpc_buffer_free_buffer(ggml_backend_buffer_t buffer) {
ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
- // input serialization format: | remote_ptr (8 bytes) |
- std::vector<uint8_t> input(sizeof(uint64_t), 0);
- uint64_t remote_ptr = ctx->remote_ptr;
- memcpy(input.data(), &remote_ptr, sizeof(remote_ptr));
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_FREE_BUFFER, input, output);
+ rpc_msg_free_buffer_req request = {ctx->remote_ptr};
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_FREE_BUFFER, &request, sizeof(request), nullptr, 0);
GGML_ASSERT(status);
- GGML_ASSERT(output.empty());
delete ctx;
}
if (ctx->base_cache.find(buffer) != ctx->base_cache.end()) {
return ctx->base_cache[buffer];
}
- // input serialization format: | remote_ptr (8 bytes) |
- std::vector<uint8_t> input(sizeof(uint64_t), 0);
- uint64_t remote_ptr = ctx->remote_ptr;
- memcpy(input.data(), &remote_ptr, sizeof(remote_ptr));
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_GET_BASE, input, output);
+ rpc_msg_buffer_get_base_req request = {ctx->remote_ptr};
+ rpc_msg_buffer_get_base_rsp response;
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_GET_BASE, &request, sizeof(request), &response, sizeof(response));
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == sizeof(uint64_t));
- // output serialization format: | base_ptr (8 bytes) |
- uint64_t base_ptr;
- memcpy(&base_ptr, output.data(), sizeof(base_ptr));
- void * base = reinterpret_cast<void *>(base_ptr);
- ctx->base_cache[buffer] = base;
- return base;
+ void * base_ptr = reinterpret_cast<void *>(response.base_ptr);
+ ctx->base_cache[buffer] = base_ptr;
+ return base_ptr;
}
static rpc_tensor serialize_tensor(const ggml_tensor * tensor) {
memcpy(input.data(), &rpc_tensor, sizeof(rpc_tensor));
memcpy(input.data() + sizeof(rpc_tensor), &offset, sizeof(offset));
memcpy(input.data() + sizeof(rpc_tensor) + sizeof(offset), data, size);
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_SET_TENSOR, input, output);
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_SET_TENSOR, input.data(), input.size(), nullptr, 0);
GGML_ASSERT(status);
}
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) {
ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
- // input serialization format: | rpc_tensor | offset (8 bytes) | size (8 bytes) |
- int input_size = sizeof(rpc_tensor) + 2*sizeof(uint64_t);
- std::vector<uint8_t> input(input_size, 0);
- rpc_tensor rpc_tensor = serialize_tensor(tensor);
- memcpy(input.data(), &rpc_tensor, sizeof(rpc_tensor));
- memcpy(input.data() + sizeof(rpc_tensor), &offset, sizeof(offset));
- memcpy(input.data() + sizeof(rpc_tensor) + sizeof(offset), &size, sizeof(size));
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_GET_TENSOR, input, output);
+ rpc_msg_get_tensor_req request;
+ request.tensor = serialize_tensor(tensor);
+ request.offset = offset;
+ request.size = size;
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_GET_TENSOR, &request, sizeof(request), data, size);
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == size);
- // output serialization format: | data (size bytes) |
- memcpy(data, output.data(), size);
}
static bool ggml_backend_rpc_buffer_cpy_tensor(ggml_backend_buffer_t buffer, const ggml_tensor * src, ggml_tensor * dst) {
return false;
}
ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
- // input serialization format: | rpc_tensor src | rpc_tensor dst |
- int input_size = 2*sizeof(rpc_tensor);
- std::vector<uint8_t> input(input_size, 0);
- rpc_tensor rpc_src = serialize_tensor(src);
- rpc_tensor rpc_dst = serialize_tensor(dst);
- memcpy(input.data(), &rpc_src, sizeof(rpc_src));
- memcpy(input.data() + sizeof(rpc_src), &rpc_dst, sizeof(rpc_dst));
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_COPY_TENSOR, input, output);
+ rpc_msg_copy_tensor_req request;
+ request.src = serialize_tensor(src);
+ request.dst = serialize_tensor(dst);
+ rpc_msg_copy_tensor_rsp response;
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_COPY_TENSOR, &request, sizeof(request), &response, sizeof(response));
GGML_ASSERT(status);
- // output serialization format: | result (1 byte) |
- GGML_ASSERT(output.size() == 1);
- return output[0];
+ return response.result;
}
static void ggml_backend_rpc_buffer_clear(ggml_backend_buffer_t buffer, uint8_t value) {
ggml_backend_rpc_buffer_context * ctx = (ggml_backend_rpc_buffer_context *)buffer->context;
- // serialization format: | bufptr (8 bytes) | value (1 byte) |
- int input_size = sizeof(uint64_t) + sizeof(uint8_t);
- std::vector<uint8_t> input(input_size, 0);
- memcpy(input.data(), &ctx->remote_ptr, sizeof(ctx->remote_ptr));
- memcpy(input.data() + sizeof(ctx->remote_ptr), &value, sizeof(value));
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_CLEAR, input, output);
+ rpc_msg_buffer_clear_req request = {ctx->remote_ptr, value};
+ bool status = send_rpc_cmd(ctx->sock, RPC_CMD_BUFFER_CLEAR, &request, sizeof(request), nullptr, 0);
GGML_ASSERT(status);
}
static ggml_backend_buffer_t ggml_backend_rpc_buffer_type_alloc_buffer(ggml_backend_buffer_type_t buft, size_t size) {
ggml_backend_rpc_buffer_type_context * buft_ctx = (ggml_backend_rpc_buffer_type_context *)buft->context;
- // input serialization format: | size (8 bytes) |
- int input_size = sizeof(uint64_t);
- std::vector<uint8_t> input(input_size, 0);
- memcpy(input.data(), &size, sizeof(size));
- std::vector<uint8_t> output;
+ rpc_msg_alloc_buffer_req request = {size};
+ rpc_msg_alloc_buffer_rsp response;
auto sock = get_socket(buft_ctx->endpoint);
- bool status = send_rpc_cmd(sock, RPC_CMD_ALLOC_BUFFER, input, output);
+ bool status = send_rpc_cmd(sock, RPC_CMD_ALLOC_BUFFER, &request, sizeof(request), &response, sizeof(response));
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == 2*sizeof(uint64_t));
- // output serialization format: | remote_ptr (8 bytes) | remote_size (8 bytes) |
- uint64_t remote_ptr;
- memcpy(&remote_ptr, output.data(), sizeof(remote_ptr));
- size_t remote_size;
- memcpy(&remote_size, output.data() + sizeof(uint64_t), sizeof(remote_size));
- if (remote_ptr != 0) {
+ if (response.remote_ptr != 0) {
ggml_backend_buffer_t buffer = ggml_backend_buffer_init(buft,
ggml_backend_rpc_buffer_interface,
- new ggml_backend_rpc_buffer_context{sock, {}, remote_ptr, "RPC[" + std::string(buft_ctx->endpoint) + "]"},
- remote_size);
+ new ggml_backend_rpc_buffer_context{sock, {}, response.remote_ptr, "RPC[" + std::string(buft_ctx->endpoint) + "]"},
+ response.remote_size);
return buffer;
} else {
return nullptr;
}
static size_t get_alignment(const std::shared_ptr<socket_t> & sock) {
- // input serialization format: | 0 bytes |
- std::vector<uint8_t> input;
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(sock, RPC_CMD_GET_ALIGNMENT, input, output);
+ rpc_msg_get_alignment_rsp response;
+ bool status = send_rpc_cmd(sock, RPC_CMD_GET_ALIGNMENT, nullptr, 0, &response, sizeof(response));
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == sizeof(uint64_t));
- // output serialization format: | alignment (8 bytes) |
- uint64_t alignment;
- memcpy(&alignment, output.data(), sizeof(alignment));
- return alignment;
+ return response.alignment;
}
static size_t ggml_backend_rpc_buffer_type_get_alignment(ggml_backend_buffer_type_t buft) {
}
static size_t get_max_size(const std::shared_ptr<socket_t> & sock) {
- // input serialization format: | 0 bytes |
- std::vector<uint8_t> input;
- std::vector<uint8_t> output;
- bool status = send_rpc_cmd(sock, RPC_CMD_GET_MAX_SIZE, input, output);
+ rpc_msg_get_max_size_rsp response;
+ bool status = send_rpc_cmd(sock, RPC_CMD_GET_MAX_SIZE, nullptr, 0, &response, sizeof(response));
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == sizeof(uint64_t));
- // output serialization format: | max_size (8 bytes) |
- uint64_t max_size;
- memcpy(&max_size, output.data(), sizeof(max_size));
- return max_size;
+ return response.max_size;
}
static size_t ggml_backend_rpc_get_max_size(ggml_backend_buffer_type_t buft) {
ggml_backend_rpc_context * rpc_ctx = (ggml_backend_rpc_context *)backend->context;
std::vector<uint8_t> input;
serialize_graph(cgraph, input);
- std::vector<uint8_t> output;
+ rpc_msg_graph_compute_rsp response;
auto sock = get_socket(rpc_ctx->endpoint);
- bool status = send_rpc_cmd(sock, RPC_CMD_GRAPH_COMPUTE, input, output);
+ bool status = send_rpc_cmd(sock, RPC_CMD_GRAPH_COMPUTE, input.data(), input.size(), &response, sizeof(response));
GGML_ASSERT(status);
- GGML_ASSERT(output.size() == 1);
- return (enum ggml_status)output[0];
+ return (enum ggml_status)response.result;
}
static ggml_backend_i ggml_backend_rpc_interface = {
}
static void get_device_memory(const std::shared_ptr<socket_t> & sock, size_t * free, size_t * total) {
- // input serialization format: | 0 bytes |
- 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) {
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);
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;
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;
}
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)) {
- GGML_ABORT("[%s] tensor->data out of bounds\n", __func__);
+ 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;
}
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)) {
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;
}
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;
- }
}
}
overview / pkg / ggml / sources / llama.cpp / commitdiff