Session
sessionInfo()
#> R version 4.5.3 (2026-03-11)
#> Platform: x86_64-pc-linux-gnu
#> Running under: Ubuntu 24.04.4 LTS
#>
#> Matrix products: default
#> BLAS: /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
#> LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.26.so; LAPACK version 3.12.0
#>
#> locale:
#> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
#> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
#> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
#> [7] LC_PAPER=en_US.UTF-8 LC_NAME=C
#> [9] LC_ADDRESS=C LC_TELEPHONE=C
#> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
#>
#> time zone: Etc/UTC
#> tzcode source: system (glibc)
#>
#> attached base packages:
#> [1] stats graphics grDevices utils datasets methods base
#>
#> other attached packages:
#> [1] talks20260420PSUHDFSJobtalk_0.9.1
#>
#> loaded via a namespace (and not attached):
#> [1] compiler_4.5.3 cli_3.6.6.9000 tools_4.5.3 otel_0.2.0
#> [5] rProject_0.0.25 knitr_1.51 xfun_0.57 rlang_1.2.0
#> [9] evaluate_1.0.5
CPU
cat(system("lscpu", intern = TRUE), sep = "\n")
#> Architecture: x86_64
#> CPU op-mode(s): 32-bit, 64-bit
#> Address sizes: 48 bits physical, 48 bits virtual
#> Byte Order: Little Endian
#> CPU(s): 4
#> On-line CPU(s) list: 0-3
#> Vendor ID: AuthenticAMD
#> Model name: AMD EPYC 7763 64-Core Processor
#> CPU family: 25
#> Model: 1
#> Thread(s) per core: 2
#> Core(s) per socket: 2
#> Socket(s): 1
#> Stepping: 1
#> BogoMIPS: 4890.84
#> Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl tsc_reliable nonstop_tsc cpuid extd_apicid aperfmperf tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves user_shstk clzero xsaveerptr rdpru arat npt nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload umip vaes vpclmulqdq rdpid fsrm
#> Virtualization: AMD-V
#> Hypervisor vendor: Microsoft
#> Virtualization type: full
#> L1d cache: 64 KiB (2 instances)
#> L1i cache: 64 KiB (2 instances)
#> L2 cache: 1 MiB (2 instances)
#> L3 cache: 32 MiB (1 instance)
#> NUMA node(s): 1
#> NUMA node0 CPU(s): 0-3
#> Vulnerability Gather data sampling: Not affected
#> Vulnerability Ghostwrite: Not affected
#> Vulnerability Indirect target selection: Not affected
#> Vulnerability Itlb multihit: Not affected
#> Vulnerability L1tf: Not affected
#> Vulnerability Mds: Not affected
#> Vulnerability Meltdown: Not affected
#> Vulnerability Mmio stale data: Not affected
#> Vulnerability Old microcode: Not affected
#> Vulnerability Reg file data sampling: Not affected
#> Vulnerability Retbleed: Not affected
#> Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode
#> Vulnerability Spec store bypass: Vulnerable
#> Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
#> Vulnerability Spectre v2: Mitigation; Retpolines; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected
#> Vulnerability Srbds: Not affected
#> Vulnerability Tsa: Vulnerable: No microcode
#> Vulnerability Tsx async abort: Not affected
#> Vulnerability Vmscape: Not affected
Memory
cat(system("free -g -h -t", intern = TRUE), sep = "\n")
#> total used free shared buff/cache available
#> Mem: 15Gi 1.4Gi 1.4Gi 46Mi 13Gi 14Gi
#> Swap: 3.0Gi 20Ki 3.0Gi
#> Total: 18Gi 1.4Gi 4.4Gi