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‎artifact/hitm_compare/qemu_launcher.log‎

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‎artifact/splash_sweep/cache_size_bfs/128M/runs/manifest.json‎

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[
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{
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"run_key": "rq1_N2000",
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"binary": "rq1_graph_bfs",
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"args": "2000",
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"returncode": 0,
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"elapsed_sec": 28.90778636932373,
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"stdout_path": "/home/victoryang00/CXLMemSim/artifact/splash_sweep/cache_size_bfs/128M/runs/rq1_N2000.stdout.log",
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"stderr_path": "/home/victoryang00/CXLMemSim/artifact/splash_sweep/cache_size_bfs/128M/runs/rq1_N2000.stderr.log",
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"timed_out": false
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}
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]

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‎artifact/splash_sweep/cache_size_bfs/128M/runs/rq1_N2000.stdout.log‎

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================================================================
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RQ1: Pointer Sharing vs Copy-Based Offload
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Pointer-Rich Workloads on CXL Type-2 Coherent Memory
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================================================================
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Using CXL GPU device 0
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BAR4 base: 0x72c7ad2a2000
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sizeof(GraphNode) = 64 (expect 64)
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================================================================
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EXPERIMENT 1: BFS -- Pointer Sharing vs Copy-Based Offload
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N=2000 avg_degree=6 trials=3
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================================================================
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--- Graph type: erdos_renyi ---
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graph=erdos_renyi N=2000 device_fraction=0.00
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Method A (pointer-sharing): median=43 us p25=42 us p75=54 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2000
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Method B (copy-based): median=972062 us p25=959171 us p75=987382 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=42 back_inv=0
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writebacks=21 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2003
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graph=erdos_renyi N=2000 device_fraction=0.25
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Method A (pointer-sharing): median=44 us p25=42 us p75=59 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2015
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Method B (copy-based): median=948596 us p25=944831 us p75=969135 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=42 back_inv=0
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writebacks=21 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2018
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graph=erdos_renyi N=2000 device_fraction=0.50
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Method A (pointer-sharing): median=43 us p25=41 us p75=67 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2030
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Method B (copy-based): median=944467 us p25=944306 us p75=1003420 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=42 back_inv=0
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writebacks=21 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2033
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graph=erdos_renyi N=2000 device_fraction=0.75
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Method A (pointer-sharing): median=44 us p25=43 us p75=49 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2045
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Method B (copy-based): median=945612 us p25=945373 us p75=947229 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=42 back_inv=0
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writebacks=21 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2048
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graph=erdos_renyi N=2000 device_fraction=1.00
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Method A (pointer-sharing): median=44 us p25=41 us p75=51 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2048
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Method B (copy-based): median=945068 us p25=944981 us p75=947148 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=42 back_inv=0
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writebacks=21 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2051
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--- Graph type: barabasi_albert ---
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graph=barabasi_albert N=2000 device_fraction=0.00
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Method A (pointer-sharing): median=49 us p25=47 us p75=57 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2051
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Method B (copy-based): median=942333 us p25=941684 us p75=955199 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=162 back_inv=0
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writebacks=81 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2054
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graph=barabasi_albert N=2000 device_fraction=0.25
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Method A (pointer-sharing): median=45 us p25=43 us p75=53 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2054
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Method B (copy-based): median=944728 us p25=944050 us p75=951504 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=162 back_inv=0
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writebacks=81 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2057
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graph=barabasi_albert N=2000 device_fraction=0.50
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Method A (pointer-sharing): median=45 us p25=44 us p75=54 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2057
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Method B (copy-based): median=943901 us p25=943395 us p75=947973 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=162 back_inv=0
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writebacks=81 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2060
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graph=barabasi_albert N=2000 device_fraction=0.75
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Method A (pointer-sharing): median=49 us p25=45 us p75=55 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2060
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Method B (copy-based): median=939741 us p25=934075 us p75=955256 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=162 back_inv=0
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writebacks=81 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2063
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graph=barabasi_albert N=2000 device_fraction=1.00
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Method A (pointer-sharing): median=45 us p25=44 us p75=51 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=0 back_inv=0
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writebacks=0 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2063
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Method B (copy-based): median=955668 us p25=940676 us p75=970195 us
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coherency: snoop_hits=0 snoop_misses=0 coh_reqs=162 back_inv=0
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writebacks=81 evictions=0 bias_flips=0
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dev_bias_hits=0 host_bias_hits=0 dir_entries=2066
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================================================================
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All experiments complete.
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================================================================

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