Intel Xeon Gold FGKASLR Linux Testing

Tests for a future article by Michael Larabel.

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No KASLR/FGKASLR
June 26 2020
  2 Hours, 49 Minutes
Just KASLR
June 25 2020
  3 Hours, 3 Minutes
FGKASLR Enabled
June 24 2020
  3 Hours, 3 Minutes
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  2 Hours, 58 Minutes

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FGKASLR Enabled

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Disk Notes: MQ-DEADLINE / errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x5002f01
Java Notes: OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of TSX disabled

Just KASLR

No KASLR/FGKASLR

Processor: 2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads), Motherboard: TYAN S7106 (V2.01.B40 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 94GB, Disk: 500GB Samsung SSD 860, Graphics: ASPEED, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE

OS: Ubuntu 20.04, Kernel: 5.8.0-rc2-phx-fgkaslr (x86_64) 20200624, Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, Compiler: GCC 9.3.0, File-System: ext4

Intel Xeon Gold FGKASLR Linux TestingOpenBenchmarking.orgPhoronix Test Suite2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads)TYAN S7106 (V2.01.B40 BIOS)Intel Sky Lake-E DMI3 Registers94GB500GB Samsung SSD 860ASPEED2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbEUbuntu 20.045.8.0-rc2-phx-fgkaslr (x86_64) 20200624GNOME Shell 3.36.1X Server 1.20.8modesetting 1.20.8GCC 9.3.0ext4ProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemIntel Xeon Gold FGKASLR Linux Testing BenchmarksSystem Logs- CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - MQ-DEADLINE / errors=remount-ro,relatime,rw- Scaling Governor: intel_pstate powersave - CPU Microcode: 0x5002f01- OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)- Python 3.8.2- itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of TSX disabled

FGKASLR EnabledJust KASLRNo KASLR/FGKASLRResult OverviewPhoronix Test Suite100%105%110%114%Stress-NGFlexible IO TesterApache BenchmarkLevelDBEthrBlogBenchFacebook RocksDBOSBenchMlpack BenchmarkPostgreSQL pgbenchSockperfTimed LLVM CompilationSQLite Speedtest

Intel Xeon Gold FGKASLR Linux Testingleveldb: Seq Fillleveldb: Seq Fillleveldb: Rand Deleteblogbench: Readrocksdb: Seq Fillbuild-llvm: Time To Compilepgbench: Buffer Test - Normal Load - Read Onlystress-ng: Context Switchingfio: Rand Write - IO_uring - No - Yes - 4KB - Default Test Directoryfio: Rand Write - IO_uring - Yes - No - 4KB - Default Test Directoryleveldb: Rand Fillleveldb: Rand Fillleveldb: Overwriteleveldb: Overwritemlpack: scikit_icaapache: Static Web Page Servingsqlite-speedtest: Timed Time - Size 1,000rocksdb: Rand Fillsockperf: Latency Ping Pongsockperf: Throughputethr: UDP - Bandwidth - 64stress-ng: Semaphoresosbench: Create Processesosbench: Create Filesosbench: Memory Allocationsosbench: Launch Programsosbench: Create ThreadsFGKASLR EnabledJust KASLRNo KASLR/FGKASLR859.5529.3825.4212262213183628284.715583335.8032835164254.027954061400850.9019.4840.8079.575.1423262.3866.1661798624.545499722301327.333333334379605.1632.76880015.65583895.58796947.98730218.009345824.7749.7770.1132302683187803282.859589351.4549407205230.498333363367809.4109.8800.3529.975.0223111.2966.4691835354.523508984314693.733333334457335.2832.92004314.87382194.65670648.57937517.846425817.6559.7768.5672341662189127285.347592722.4420566369133.358550071625801.9679.9801.5019.973.8724595.6066.9501860454.476506506316768.666666674456094.9531.68424014.65370594.28676046.85322517.757416OpenBenchmarking.org

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR2004006008001000SE +/- 1.96, N = 3SE +/- 2.40, N = 3SE +/- 0.53, N = 3859.55824.77817.661. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR3691215SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 39.39.79.71. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeleteFGKASLR EnabledJust KASLRNo KASLR/FGKASLR2004006008001000SE +/- 2.40, N = 3SE +/- 0.57, N = 3SE +/- 2.61, N = 3825.42770.11768.571. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

BlogBench

BlogBench is designed to replicate the load of a real-world busy file server by stressing the file-system with multiple threads of random reads, writes, and rewrites. The behavior is mimicked of that of a blog by creating blogs with content and pictures, modifying blog posts, adding comments to these blogs, and then reading the content of the blogs. All of these blogs generated are created locally with fake content and pictures. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFinal Score, More Is BetterBlogBench 1.1Test: ReadFGKASLR EnabledJust KASLRNo KASLR/FGKASLR500K1000K1500K2000K2500KSE +/- 10482.62, N = 3SE +/- 34384.59, N = 4SE +/- 16967.16, N = 32262213230268323416621. (CC) gcc options: -O3 -march=native -pthread

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Sequential FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR40K80K120K160K200KSE +/- 184.88, N = 3SE +/- 211.79, N = 3SE +/- 81.95, N = 31836281878031891271. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Timed LLVM Compilation

This test times how long it takes to build the LLVM compiler. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 10.0Time To CompileFGKASLR EnabledJust KASLRNo KASLR/FGKASLR60120180240300SE +/- 3.69, N = 3SE +/- 2.87, N = 3SE +/- 1.49, N = 3284.72282.86285.35

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyFGKASLR EnabledJust KASLRNo KASLR/FGKASLR130K260K390K520K650KSE +/- 1841.14, N = 3SE +/- 2925.75, N = 3SE +/- 1757.77, N = 3583335.80589351.45592722.441. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -march=native -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Stress-NG

Stress-NG is a Linux stress tool developed by Colin King of Canonical. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: Context SwitchingFGKASLR EnabledJust KASLRNo KASLR/FGKASLR1.5M3M4.5M6M7.5MSE +/- 47027.87, N = 15SE +/- 167659.86, N = 12SE +/- 92758.51, N = 155164254.027205230.496369133.351. (CC) gcc options: -O3 -march=native -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryFGKASLR EnabledJust KASLRNo KASLR/FGKASLR20K40K60K80K100KSE +/- 1926.90, N = 15SE +/- 922.47, N = 12SE +/- 404.15, N = 37954083333855001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -ll -lcurl -lssl -lcrypto -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryFGKASLR EnabledJust KASLRNo KASLR/FGKASLR15K30K45K60K75KSE +/- 1875.80, N = 12SE +/- 66.67, N = 3SE +/- 2930.93, N = 126140063367716251. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -ll -lcurl -lssl -lcrypto -lnuma -libverbs -lrt -laio -lz -lpthread -lm -ldl

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR2004006008001000SE +/- 4.95, N = 3SE +/- 4.31, N = 3SE +/- 3.91, N = 3850.90809.41801.971. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR3691215SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.06, N = 39.49.89.91. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwriteFGKASLR EnabledJust KASLRNo KASLR/FGKASLR2004006008001000SE +/- 2.58, N = 3SE +/- 4.48, N = 3SE +/- 2.57, N = 3840.81800.35801.501. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwriteFGKASLR EnabledJust KASLRNo KASLR/FGKASLR3691215SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 39.59.99.91. (CXX) g++ options: -O3 -march=native -lsnappy -lpthread

Mlpack Benchmark

Mlpack benchmark scripts for machine learning libraries Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterMlpack BenchmarkBenchmark: scikit_icaFGKASLR EnabledJust KASLRNo KASLR/FGKASLR20406080100SE +/- 0.42, N = 3SE +/- 0.60, N = 3SE +/- 0.52, N = 375.1475.0273.87

Apache Benchmark

This is a test of ab, which is the Apache benchmark program. This test profile measures how many requests per second a given system can sustain when carrying out 1,000,000 requests with 100 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.29Static Web Page ServingFGKASLR EnabledJust KASLRNo KASLR/FGKASLR5K10K15K20K25KSE +/- 382.53, N = 3SE +/- 244.89, N = 8SE +/- 68.62, N = 323262.3823111.2924595.601. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

SQLite Speedtest

This is a benchmark of SQLite's speedtest1 benchmark program with an increased problem size of 1,000. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000FGKASLR EnabledJust KASLRNo KASLR/FGKASLR1530456075SE +/- 0.42, N = 3SE +/- 0.77, N = 3SE +/- 0.22, N = 366.1766.4766.951. (CC) gcc options: -O3 -march=native -ldl -lz -lpthread

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random FillFGKASLR EnabledJust KASLRNo KASLR/FGKASLR40K80K120K160K200KSE +/- 95.98, N = 3SE +/- 545.65, N = 3SE +/- 618.48, N = 31798621835351860451. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Sockperf

This is a network socket API performance benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgusec, Fewer Is BetterSockperf 3.4Test: Latency Ping PongFGKASLR EnabledJust KASLRNo KASLR/FGKASLR1.02262.04523.06784.09045.113SE +/- 0.075, N = 25SE +/- 0.057, N = 25SE +/- 0.054, N = 54.5454.5234.4761. (CXX) g++ options: --param -O3 -march=native -rdynamic -ldl -lpthread

OpenBenchmarking.orgMessages Per Second, More Is BetterSockperf 3.4Test: ThroughputFGKASLR EnabledJust KASLRNo KASLR/FGKASLR110K220K330K440K550KSE +/- 1497.16, N = 5SE +/- 4529.27, N = 25SE +/- 4418.39, N = 54997225089845065061. (CXX) g++ options: --param -O3 -march=native -rdynamic -ldl -lpthread

Ethr

Ethr is a cross-platform Golang-written network performance measurement tool developed by Microsoft that is capable of testing multiple protocols and different measurements. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMbits/sec, More Is BetterEthr 2019-01-02Server Address: localhost - Protocol: UDP - Test: Bandwidth - Threads: 64FGKASLR EnabledJust KASLRNo KASLR/FGKASLR70K140K210K280K350KSE +/- 964.27, N = 3SE +/- 3845.85, N = 5SE +/- 3488.31, N = 3301327.33314693.73316768.67MIN: 297190 / MAX: 305370MIN: 300710 / MAX: 332790MIN: 307340 / MAX: 332660

Stress-NG

Stress-NG is a Linux stress tool developed by Colin King of Canonical. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.11.07Test: SemaphoresFGKASLR EnabledJust KASLRNo KASLR/FGKASLR1000K2000K3000K4000K5000KSE +/- 7103.35, N = 3SE +/- 10281.87, N = 3SE +/- 25941.43, N = 34379605.164457335.284456094.951. (CC) gcc options: -O3 -march=native -O2 -std=gnu99 -lm -laio -lcrypt -lrt -lz -ldl -lpthread -lc

OSBench

OSBench is a collection of micro-benchmarks for measuring operating system primitives like time to create threads/processes, launching programs, creating files, and memory allocation. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ProcessesFGKASLR EnabledJust KASLRNo KASLR/FGKASLR816243240SE +/- 0.26, N = 13SE +/- 0.06, N = 3SE +/- 0.16, N = 332.7732.9231.681. (CC) gcc options: -O3 -march=native -lm

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create FilesFGKASLR EnabledJust KASLRNo KASLR/FGKASLR48121620SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 315.6614.8714.651. (CC) gcc options: -O3 -march=native -lm

OpenBenchmarking.orgNs Per Event, Fewer Is BetterOSBenchTest: Memory AllocationsFGKASLR EnabledJust KASLRNo KASLR/FGKASLR20406080100SE +/- 0.12, N = 3SE +/- 0.39, N = 3SE +/- 0.06, N = 395.5994.6694.291. (CC) gcc options: -O3 -march=native -lm

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Launch ProgramsFGKASLR EnabledJust KASLRNo KASLR/FGKASLR1122334455SE +/- 0.61, N = 3SE +/- 0.45, N = 3SE +/- 0.62, N = 347.9948.5846.851. (CC) gcc options: -O3 -march=native -lm

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ThreadsFGKASLR EnabledJust KASLRNo KASLR/FGKASLR48121620SE +/- 0.11, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 318.0117.8517.761. (CC) gcc options: -O3 -march=native -lm

FGKASLR Enabled

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Disk Notes: MQ-DEADLINE / errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x5002f01
Java Notes: OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 24 June 2020 17:09 by user phoronix.

Just KASLR

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Disk Notes: MQ-DEADLINE / errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x5002f01
Java Notes: OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 25 June 2020 16:29 by user phoronix.

No KASLR/FGKASLR

Processor: 2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads), Motherboard: TYAN S7106 (V2.01.B40 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 94GB, Disk: 500GB Samsung SSD 860, Graphics: ASPEED, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE

OS: Ubuntu 20.04, Kernel: 5.8.0-rc2-phx-fgkaslr (x86_64) 20200624, Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, Compiler: GCC 9.3.0, File-System: ext4

Environment Notes: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Disk Notes: MQ-DEADLINE / errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x5002f01
Java Notes: OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
Python Notes: Python 3.8.2
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 26 June 2020 13:34 by user phoronix.