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vulkan: add barrier after writetimestamp (llama/21865)

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Jeff Bolz 2026-04-28 12:28:12 +02:00 committed by Georgi Gerganov
parent 0fa31f9bb6
commit 35fa508360
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1 changed files with 3 additions and 0 deletions
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ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -13014,6 +13014,7 @@ static bool ggml_vk_build_graph(ggml_backend_vk_context * ctx, ggml_cgraph * cgr
if (vk_perf_logger_enabled && vk_perf_logger_concurrent) {
ctx->query_node_idx[ctx->query_idx] = node_idx;
compute_ctx->s->buffer->buf.writeTimestamp(vk::PipelineStageFlagBits::eAllCommands, ctx->query_pool, ctx->query_idx++);
ggml_vk_sync_buffers(ctx, compute_ctx);
}
}
// Add all fused nodes to the unsynchronized lists.
@ -14503,6 +14504,7 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
compute_ctx = ggml_vk_get_compute_ctx(ctx);
ctx->query_idx = 0;
compute_ctx->s->buffer->buf.writeTimestamp(vk::PipelineStageFlagBits::eAllCommands, ctx->query_pool, ctx->query_idx++);
ggml_vk_sync_buffers(ctx, compute_ctx);
}
ctx->prealloc_y_last_pipeline_used = nullptr;
@ -14739,6 +14741,7 @@ static ggml_status ggml_backend_vk_graph_compute(ggml_backend_t backend, ggml_cg
ctx->query_nodes[ctx->query_idx] = cgraph->nodes[i];
ctx->query_fusion_names[ctx->query_idx] = fusion_string;
compute_ctx->s->buffer->buf.writeTimestamp(vk::PipelineStageFlagBits::eAllCommands, ctx->query_pool, ctx->query_idx++);
ggml_vk_sync_buffers(ctx, compute_ctx);
} else {
// track a fusion string and number of fused ops for the current node_idx
ctx->query_fusion_names[i] = fusion_string;