leonarski_f
cc925b2668
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NUMA CPU/memory pinning is no longer worthwhile: the FPGA DMA buffers are placed device-local by the kernel (dma_alloc_coherent), the big RAM ring buffer is random-access (first-touch handles placement), and GPU work is already spread across all visible devices. So drop the pinning entirely and with it libnuma. - Delete NUMAHWPolicy; the only concern worth keeping - GPU selection - is done directly via pin_gpu() (round-robin over visible GPUs) in the indexer pool and the Lite analysis threads. CPU-only threads (FPGA acquire/pedestal/summation/frame-transform) no longer bind anything. - Drop get_gpu_numa_node() (sysfs lookup) - only SelectGPUAndItsNUMA used it. - numa_policy broker setting is deprecated and ignored (kept in the API for backward compatibility; warns once on startup). - Remove NUMA_LIBRARY / numa.h / numaif.h detection from CMake. - Docs: drop the NUMA dependency, remove the numa_policy config example, and document running multiple brokers on disjoint GPUs via CUDA_VISIBLE_DEVICES. - Remove NUMA_GPU_REVIEW.md (the planning note; this work is now done). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
17 lines
293 B
C++
17 lines
293 B
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#ifndef JFJOCH_USE_CUDA
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#include "CUDAWrapper.h"
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int32_t get_gpu_count() {
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return 0;
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}
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void set_gpu(int32_t dev_id) {}
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void pin_gpu() {}
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#endif
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