{ "started_utc": "2026-10-04T12:39:09.578315+00:00", "rounds": 3, "samples_per_round": 7, "commands": [ { "round": 1, "mode": "before", "suite": "transient-allocations", "argv": [ "build/reports/benchmarks/issue-689/guest-benchmark-before", "modules/common/compiler-k2/build/generated/benchmarks/transient-allocations", "build/reports/benchmarks/issue-689/paired/round-1/before-transient-allocations", "7", "16384", "untraced" ], "load": [ 2.32470703125, 1.68603515625, 2.12109375 ], "started_utc": "2026-10-04T12:39:09.578370+00:00", "finished_utc": "2026-10-04T12:39:18.826966+00:00" }, { "round": 1, "mode": "after", "suite": "transient-allocations", "argv": [ "build/reports/benchmarks/issue-689/guest-benchmark-after", "modules/common/compiler-k2/build/generated/benchmarks/transient-allocations", "build/reports/benchmarks/issue-689/paired/round-1/after-transient-allocations", "7", "16384", "untraced" ], "load": [ 2.1943359375, 1.6796875, 2.11376953125 ], "started_utc": 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"build/reports/benchmarks/issue-689/guest-benchmark-before", "modules/common/compiler-k2/build/generated/benchmarks/collection-reuse", "build/reports/benchmarks/issue-689/paired/round-3/before-collection-reuse", "7", "262144", "untraced" ], "load": [ 1.56689453125, 1.666015625, 2.0654296875 ], "started_utc": "2026-10-04T12:40:57.588355+00:00", "finished_utc": "2026-10-04T12:41:11.508838+00:00" }, { "round": 3, "mode": "after", "suite": "collection-reuse", "argv": [ "build/reports/benchmarks/issue-689/guest-benchmark-after", "modules/common/compiler-k2/build/generated/benchmarks/collection-reuse", "build/reports/benchmarks/issue-689/paired/round-3/after-collection-reuse", "7", "262144", "untraced" ], "load": [ 1.44091796875, 1.6328125, 2.0478515625 ], "started_utc": "2026-10-04T12:41:11.508947+00:00", "finished_utc": "2026-10-04T12:41:24.490155+00:00" } ], "finished_utc": "2026-10-04T12:41:24.490200+00:00", "cpu": "Architecture: x86_64\nCPU op-mode(s): 32-bit, 64-bit\nAddress sizes: 48 bits physical, 48 bits virtual\nByte Order: Little Endian\nCPU(s): 32\nOn-line CPU(s) list: 0-31\nVendor ID: AuthenticAMD\nModel name: AMD Ryzen 9 9950X3D 16-Core Processor\nCPU family: 26\nModel: 68\nThread(s) per core: 2\nCore(s) per socket: 16\nSocket(s): 1\nStepping: 0\nMicrocode version: 0xb404035\nFrequency boost: enabled\nCPU(s) scaling MHz: 85%\nCPU max MHz: 5756.4521\nCPU min MHz: 624.1940\nBogoMIPS: 8599.98\nFlags: 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 amd_lbr_v2 nopl xtopology nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpuid_fault cpb cat_l3 cdp_l3 hw_pstate ssbd mba perfmon_v2 ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local user_shstk avx_vnni avx512_bf16 clzero irperf xsaveerptr rdpru wbnoinvd cppc arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif x2avic v_spec_ctrl vnmi avx512vbmi umip pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid bus_lock_detect movdiri movdir64b overflow_recov succor smca fsrm avx512_vp2intersect flush_l1d amd_lbr_pmc_freeze\nVirtualization: AMD-V\nL1d cache: 768 KiB (16 instances)\nL1i cache: 512 KiB (16 instances)\nL2 cache: 16 MiB (16 instances)\nL3 cache: 128 MiB (2 instances)\nNUMA node(s): 1\nNUMA node0 CPU(s): 0-31\nVulnerability Gather data sampling: Not affected\nVulnerability Ghostwrite: Not affected\nVulnerability Indirect target selection: Not affected\nVulnerability Itlb multihit: Not affected\nVulnerability L1tf: Not affected\nVulnerability Mds: Not affected\nVulnerability Meltdown: Not affected\nVulnerability Mmio stale data: Not affected\nVulnerability Old microcode: Not affected\nVulnerability Reg file data sampling: Not affected\nVulnerability Retbleed: Not affected\nVulnerability Spec rstack overflow: Mitigation; IBPB on VMEXIT only\nVulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl\nVulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization\nVulnerability Spectre v2: Mitigation; Enhanced / Automatic IBRS; IBPB conditional; STIBP always-on; PBRSB-eIBRS Not affected; BHI Not affected\nVulnerability Srbds: Not affected\nVulnerability Tsa: Not affected\nVulnerability Tsx async abort: Not affected\nVulnerability Vmscape: Mitigation; IBPB on VMEXIT", "kernel": "Linux 7.2.8-zen1-2-zen", "rustc": "rustc 1.99.0 (b940084d7 2026-09-28)\nbinary: rustc\ncommit-hash: b940084d7eb6a299eb4bfeb8e34901bc051e7ac4\ncommit-date: 2026-09-28\nhost: x86_64-unknown-linux-gnu\nrelease: 1.99.0\nLLVM version: 23.1.1", "java": "openjdk version \"25.0.4.1\" 2026-08-18\nOpenJDK Runtime Environment (build 25.0.4.1)\nOpenJDK 64-Bit Server VM (build 25.0.4.1, mixed mode, sharing)", "governor": "powersave", "affinity": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 ], "parent_start": "f358ff88", "benchmark_vm": "7cd0e87", "baseline_vm_core": "8416b99a35947fbb5950ceaa1dafda0e807b4564", "optimized_vm": "7fea2f27691bc21ffae3eadac787e039d00abdbc", "cargo_profile": "release, thin LTO, codegen-units=1, CARGO_PROFILE_RELEASE_DEBUG=1", "binary_sha256": { "before": "c6d6ff4c0d2eb90503b8f42e6f1325105b79e865e63f5731564f734e725b7bc5", "after": "a2d128bc79db539482149e03c9d982920e7ba2738407621bc08b456f52111e36" }, "notes": "No fixed frequency or affinity. Other desktop/agent activity was uncontrolled. No own compilation or profiling overlapped paired timing. Profiled samples excluded from timing claims. Profiles include setup and traced correctness control." }