66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include "backend-dispatched.h"
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#include "backend-virgl-apir.h"
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#include "ggml-backend-impl.h"
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#include "ggml-backend.h"
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#include "ggml-impl.h"
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#include "shared/apir_backend.h"
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#include <cstdint>
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uint32_t backend_backend_graph_compute(apir_encoder * enc, apir_decoder * dec, virgl_apir_context * ctx) {
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GGML_UNUSED(ctx);
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GGML_UNUSED(enc);
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static bool async_backend_initialized = false;
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static bool async_backend;
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if (!async_backend_initialized) {
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ggml_backend_dev_props props;
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dev->iface.get_props(dev, &props);
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async_backend = props.caps.async;
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async_backend_initialized = true;
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}
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uint32_t shmem_res_id;
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apir_decode_virtgpu_shmem_res_id(dec, &shmem_res_id);
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const void * shmem_data = ctx->iface->get_shmem_ptr(ctx->ctx_id, shmem_res_id);
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if (!shmem_data) {
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GGML_LOG_ERROR(GGML_VIRTGPU_BCK "%s: Couldn't get the shmem addr from virgl\n", __func__);
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apir_decoder_set_fatal(dec);
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return 1;
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}
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size_t cgraph_size;
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apir_decode_size_t(dec, &cgraph_size);
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apir_decoder secondary_dec = apir_new_decoder((const char *) shmem_data, cgraph_size);
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ggml_cgraph * cgraph = apir_decode_ggml_cgraph(&secondary_dec, cgraph_size);
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ggml_status status;
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#if APIR_BACKEND_CHECK_SUPPORTS_OP == 1
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for (int idx = 0; idx < cgraph->n_nodes; idx++) {
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ggml_tensor * op = ggml_graph_node(cgraph, idx);
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if (dev->iface.supports_op(dev, op)) {
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continue;
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}
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GGML_LOG_ERROR(GGML_VIRTGPU_BCK "%s: Graph node %d (%s) not supported by the backend\n", idx, ggml_op_desc(op));
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status = GGML_STATUS_ABORTED;
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apir_encode_ggml_status(enc, &status);
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return 0;
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}
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#endif
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status = bck->iface.graph_compute(bck, cgraph);
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if (async_backend) {
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bck->iface.synchronize(bck);
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}
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apir_encode_ggml_status(enc, &status);
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return 0;
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}
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