nested KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. vm-tests: Processor: Intel Xeon E5-2690 v4 (6 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 1024 MB RAM QEMU, Disk: 21GB QEMU HDD + 54GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-88-generic (x86_64), Vulkan: 1.0.2, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM LevelDB 1.22 Benchmark: Hot Read Microseconds Per Op < Lower Is Better vm-tests . 3.612 |============================================================= LevelDB 1.22 Benchmark: Fill Sync MB/s > Higher Is Better vm-tests . 0.1 |=============================================================== LevelDB 1.22 Benchmark: Fill Sync Microseconds Per Op < Lower Is Better vm-tests . 9859.21 |=========================================================== LevelDB 1.22 Benchmark: Overwrite MB/s > Higher Is Better vm-tests . 17.3 |============================================================== LevelDB 1.22 Benchmark: Overwrite Microseconds Per Op < Lower Is Better vm-tests . 38.08 |============================================================= LevelDB 1.22 Benchmark: Random Fill MB/s > Higher Is Better vm-tests . 17.4 |============================================================== LevelDB 1.22 Benchmark: Random Fill Microseconds Per Op < Lower Is Better vm-tests . 37.83 |============================================================= LevelDB 1.22 Benchmark: Random Read Microseconds Per Op < Lower Is Better vm-tests . 3.690 |============================================================= LevelDB 1.22 Benchmark: Seek Random Microseconds Per Op < Lower Is Better vm-tests . 4.504 |============================================================= LevelDB 1.22 Benchmark: Random Delete Microseconds Per Op < Lower Is Better vm-tests . 35.41 |============================================================= LevelDB 1.22 Benchmark: Sequential Fill MB/s > Higher Is Better vm-tests . 18.1 |============================================================== LevelDB 1.22 Benchmark: Sequential Fill Microseconds Per Op < Lower Is Better vm-tests . 36.53 |============================================================= simdjson 1.0 Throughput Test: Kostya GB/s > Higher Is Better vm-tests . 1.84 |============================================================== simdjson 1.0 Throughput Test: LargeRandom GB/s > Higher Is Better vm-tests . 0.68 |============================================================== simdjson 1.0 Throughput Test: PartialTweets GB/s > Higher Is Better vm-tests . 2.96 |============================================================== simdjson 1.0 Throughput Test: DistinctUserID GB/s > Higher Is Better vm-tests . 3.45 |============================================================== ebizzy 0.3 Records/s > Higher Is Better vm-tests . 168728 |============================================================ OpenSSL 3.0 Algorithm: SHA256 byte/s > Higher Is Better vm-tests . 1578524077 |======================================================== OpenSSL 3.0 Algorithm: RSA4096 sign/s > Higher Is Better vm-tests . 1404.5 |============================================================ OpenSSL 3.0 Algorithm: RSA4096 verify/s > Higher Is Better vm-tests . 90280.5 |=========================================================== SQLite Speedtest 3.30 Timed Time - Size 1,000 Seconds < Lower Is Better vm-tests . 88.04 |============================================================= Memtier_benchmark 1.2.17 Protocol: Redis Ops/sec > Higher Is Better vm-tests . 1881150.03 |======================================================== Redis 6.0.9 Test: LPOP Requests Per Second > Higher Is Better vm-tests . 1177743.38 |======================================================== Redis 6.0.9 Test: SADD Requests Per Second > Higher Is Better vm-tests . 1488439.17 |======================================================== Redis 6.0.9 Test: LPUSH Requests Per Second > Higher Is Better vm-tests . 1144881.29 |======================================================== Redis 6.0.9 Test: GET Requests Per Second > Higher Is Better vm-tests . 1647328.62 |======================================================== Redis 6.0.9 Test: SET Requests Per Second > Higher Is Better vm-tests . 1346839.68 |======================================================== nginx 1.21.1 Concurrent Requests: 1 Requests Per Second > Higher Is Better vm-tests . 39037.19 |========================================================== nginx 1.21.1 Concurrent Requests: 20 Requests Per Second > Higher Is Better vm-tests . 155784.07 |========================================================= nginx 1.21.1 Concurrent Requests: 100 Requests Per Second > Higher Is Better vm-tests . 159574.01 |========================================================= nginx 1.21.1 Concurrent Requests: 200 Requests Per Second > Higher Is Better vm-tests . 165228.88 |========================================================= nginx 1.21.1 Concurrent Requests: 500 Requests Per Second > Higher Is Better vm-tests . 167997.95 |========================================================= nginx 1.21.1 Concurrent Requests: 1000 Requests Per Second > Higher Is Better vm-tests . 169721.91 |========================================================= Apache HTTP Server 2.4.48 Concurrent Requests: 1 Requests Per Second > Higher Is Better vm-tests . 5197.91 |=========================================================== Apache HTTP Server 2.4.48 Concurrent Requests: 20 Requests Per Second > Higher Is Better vm-tests . 22831.22 |========================================================== Apache HTTP Server 2.4.48 Concurrent Requests: 100 Requests Per Second > Higher Is Better vm-tests . 29435.41 |========================================================== Apache HTTP Server 2.4.48 Concurrent Requests: 200 Requests Per Second > Higher Is Better vm-tests . 31319.32 |========================================================== Apache HTTP Server 2.4.48 Concurrent Requests: 500 Requests Per Second > Higher Is Better vm-tests . 28776.15 |========================================================== Apache HTTP Server 2.4.48 Concurrent Requests: 1000 Requests Per Second > Higher Is Better vm-tests . 29107.37 |========================================================== Apache Siege 2.4.29 Concurrent Users: 1 Transactions Per Second > Higher Is Better vm-tests . 5094.21 |=========================================================== Apache Siege 2.4.29 Concurrent Users: 10 Transactions Per Second > Higher Is Better vm-tests . 22305.01 |========================================================== Apache Siege 2.4.29 Concurrent Users: 50 Transactions Per Second > Higher Is Better vm-tests . 26162.16 |========================================================== Apache Siege 2.4.29 Concurrent Users: 100 Transactions Per Second > Higher Is Better vm-tests . 26839.09 |========================================================== Apache Siege 2.4.29 Concurrent Users: 200 Transactions Per Second > Higher Is Better vm-tests . 25267.19 |========================================================== Apache Siege 2.4.29 Concurrent Users: 250 Transactions Per Second > Higher Is Better vm-tests . 25090.07 |========================================================== Apache Siege 2.4.29 Concurrent Users: 500 Transactions Per Second > Higher Is Better vm-tests . 25173.31 |========================================================== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better vm-tests . 568137 |============================================================ PHP Micro Benchmarks Test: Zend bench Seconds < Lower Is Better vm-tests . 0.420 |============================================================= PHP Micro Benchmarks Test: Zend micro_bench Seconds < Lower Is Better vm-tests . 2.148 |=============================================================