pgbench couchdb

AMD Ryzen Threadripper 7980X 64-Cores testing with a System76 Thelio Major (FA Z5 BIOS) and AMD Radeon RX 6700 XT 12GB on Ubuntu 24.10 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2409287-PTS-PGBENCHC67.

pgbench couchdbProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLCompilerFile-SystemScreen ResolutionabAMD Ryzen Threadripper 7980X 64-Cores @ 5.37GHz (64 Cores / 128 Threads)System76 Thelio Major (FA Z5 BIOS)AMD Device 14a44 x 32GB DDR5-4800MT/s Micron MTC20F1045S1RC48BA21000GB CT1000T700SSD5AMD Radeon RX 6700 XT 12GBAMD Device 14ccDELL P2415QAquantia AQC113C NBase-T/IEEE + Realtek RTL8125 2.5GbE + Intel Wi-Fi 6EUbuntu 24.106.11.0-7-generic (x86_64)GNOME Shell 47.0X Server + Wayland4.6 Mesa 24.2.2-1ubuntu1 (LLVM 18.1.8 DRM 3.58)GCC 14.2.0ext41920x1200OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust --enable-libphobos-checking=release --enable-libstdcxx-backtrace --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-defaulted --enable-offload-targets=nvptx-none=/build/gcc-14-zdkDXv/gcc-14-14.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-14-zdkDXv/gcc-14-14.2.0/debian/tmp-gcn/usr --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-build-config=bootstrap-lto-lean --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 Processor Details- Scaling Governor: amd-pstate-epp powersave (Boost: Enabled EPP: balance_performance) - CPU Microcode: 0xa108105 Security Details- gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Mitigation of Safe RET + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced / Automatic IBRS; IBPB: conditional; STIBP: always-on; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

pgbench couchdbcouchdb: 100 - 1000 - 30couchdb: 100 - 3000 - 30couchdb: 300 - 1000 - 30couchdb: 300 - 3000 - 30couchdb: 500 - 1000 - 30couchdb: 500 - 3000 - 30pgbench: 1 - 500 - Read Onlypgbench: 1 - 500 - Read Only - Average Latencypgbench: 1 - 800 - Read Onlypgbench: 1 - 800 - Read Only - Average Latencypgbench: 1 - 1000 - Read Onlypgbench: 1 - 1000 - Read Only - Average Latencypgbench: 1 - 500 - Read Writepgbench: 1 - 500 - Read Write - Average Latencypgbench: 1 - 800 - Read Writepgbench: 1 - 800 - Read Write - Average Latencypgbench: 1 - 1000 - Read Writepgbench: 1 - 1000 - Read Write - Average Latencypgbench: 100 - 500 - Read Onlypgbench: 100 - 500 - Read Only - Average Latencypgbench: 100 - 800 - Read Onlypgbench: 100 - 800 - Read Only - Average Latencypgbench: 100 - 1000 - Read Onlypgbench: 100 - 1000 - Read Only - Average Latencypgbench: 100 - 500 - Read Writepgbench: 100 - 500 - Read Write - Average Latencypgbench: 100 - 800 - Read Writepgbench: 100 - 800 - Read Write - Average Latencypgbench: 1000 - 500 - Read Onlypgbench: 1000 - 500 - Read Only - Average Latencypgbench: 1000 - 800 - Read Onlypgbench: 1000 - 800 - Read Only - Average Latencypgbench: 100 - 1000 - Read Writepgbench: 100 - 1000 - Read Write - Average Latencypgbench: 1000 - 1000 - Read Onlypgbench: 1000 - 1000 - Read Only - Average Latencypgbench: 1000 - 500 - Read Writepgbench: 1000 - 500 - Read Write - Average Latencypgbench: 1000 - 800 - Read Writepgbench: 1000 - 800 - Read Write - Average Latencypgbench: 1000 - 1000 - Read Writepgbench: 1000 - 1000 - Read Write - Average Latencyab101.936331.298148.170475.613248.623765.46040397810.12440730900.19640409020.2481015492.593925865.0318001251.23037603020.13337408530.21437329710.2683557214.0643520722.73222247270.22520914330.3832969634.25820132720.4971598031.4131626849.1971361375.948105.985332.053151.001478.898280.719948.96340903000.12240897400.19640621540.246518965.5154421810.524222367.45437532590.13337125340.21537478900.2671455934.3431622249.31722134250.22621245400.3771330675.15520384140.491772164.757841395.091099390.969OpenBenchmarking.org

Apache CouchDB

Bulk Size: 100 - Inserts: 1000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 100 - Inserts: 1000 - Rounds: 30ab20406080100SE +/- 0.52, N = 3101.94105.991. (CXX) g++ options: -flto -lstdc++ -shared -lei

Apache CouchDB

Bulk Size: 100 - Inserts: 3000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 100 - Inserts: 3000 - Rounds: 30ab70140210280350SE +/- 0.71, N = 3331.30332.051. (CXX) g++ options: -flto -lstdc++ -shared -lei

Apache CouchDB

Bulk Size: 300 - Inserts: 1000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 300 - Inserts: 1000 - Rounds: 30ab306090120150SE +/- 0.79, N = 3148.17151.001. (CXX) g++ options: -flto -lstdc++ -shared -lei

Apache CouchDB

Bulk Size: 300 - Inserts: 3000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 300 - Inserts: 3000 - Rounds: 30ab100200300400500SE +/- 1.02, N = 3475.61478.901. (CXX) g++ options: -flto -lstdc++ -shared -lei

Apache CouchDB

Bulk Size: 500 - Inserts: 1000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 500 - Inserts: 1000 - Rounds: 30ab60120180240300SE +/- 3.09, N = 9248.62280.721. (CXX) g++ options: -flto -lstdc++ -shared -lei

Apache CouchDB

Bulk Size: 500 - Inserts: 3000 - Rounds: 30

OpenBenchmarking.orgSeconds, Fewer Is BetterApache CouchDB 3.4.1Bulk Size: 500 - Inserts: 3000 - Rounds: 30ab2004006008001000SE +/- 8.34, N = 3765.46948.961. (CXX) g++ options: -flto -lstdc++ -shared -lei

PostgreSQL

Scaling Factor: 1 - Clients: 500 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 500 - Mode: Read Onlyab900K1800K2700K3600K4500KSE +/- 27182.08, N = 3403978140903001. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 500 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 500 - Mode: Read Only - Average Latencyab0.02790.05580.08370.11160.1395SE +/- 0.001, N = 30.1240.1221. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 800 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 800 - Mode: Read Onlyab900K1800K2700K3600K4500KSE +/- 27887.47, N = 3407309040897401. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 800 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 800 - Mode: Read Only - Average Latencyab0.04410.08820.13230.17640.2205SE +/- 0.001, N = 30.1960.1961. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 1000 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 1000 - Mode: Read Onlyab900K1800K2700K3600K4500KSE +/- 13398.00, N = 3404090240621541. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 1000 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 1000 - Mode: Read Only - Average Latencyab0.05580.11160.16740.22320.279SE +/- 0.001, N = 30.2480.2461. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 500 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 500 - Mode: Read Writeab2004006008001000SE +/- 12.14, N = 310155181. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 500 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 500 - Mode: Read Write - Average Latencyab2004006008001000SE +/- 5.92, N = 3492.59965.521. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 800 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 800 - Mode: Read Writeab2004006008001000SE +/- 9.71, N = 39254421. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 800 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 800 - Mode: Read Write - Average Latencyab400800120016002000SE +/- 9.17, N = 3865.031810.521. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 1000 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 1000 - Mode: Read Writeab2004006008001000SE +/- 8.25, N = 128004221. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1 - Clients: 1000 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1 - Clients: 1000 - Mode: Read Write - Average Latencyab5001000150020002500SE +/- 12.80, N = 121251.232367.451. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 500 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 500 - Mode: Read Onlyab800K1600K2400K3200K4000KSE +/- 5178.04, N = 3376030237532591. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 500 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 500 - Mode: Read Only - Average Latencyab0.02990.05980.08970.11960.1495SE +/- 0.000, N = 30.1330.1331. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 800 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 800 - Mode: Read Onlyab800K1600K2400K3200K4000KSE +/- 3177.29, N = 3374085337125341. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 800 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 800 - Mode: Read Only - Average Latencyab0.04840.09680.14520.19360.242SE +/- 0.000, N = 30.2140.2151. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 1000 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 1000 - Mode: Read Onlyab800K1600K2400K3200K4000KSE +/- 7227.68, N = 3373297137478901. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 1000 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 1000 - Mode: Read Only - Average Latencyab0.06030.12060.18090.24120.3015SE +/- 0.001, N = 30.2680.2671. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 500 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 500 - Mode: Read Writeab8K16K24K32K40KSE +/- 261.52, N = 1235572145591. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 500 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 500 - Mode: Read Write - Average Latencyab816243240SE +/- 0.10, N = 1214.0634.341. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 800 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 800 - Mode: Read Writeab8K16K24K32K40KSE +/- 406.64, N = 435207162221. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 800 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 800 - Mode: Read Write - Average Latencyab1122334455SE +/- 0.26, N = 422.7349.321. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 500 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 500 - Mode: Read Onlyab500K1000K1500K2000K2500KSE +/- 15985.58, N = 3222472722134251. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 500 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 500 - Mode: Read Only - Average Latencyab0.05090.10180.15270.20360.2545SE +/- 0.002, N = 30.2250.2261. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 800 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 800 - Mode: Read Onlyab500K1000K1500K2000K2500KSE +/- 3340.80, N = 3209143321245401. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 800 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 800 - Mode: Read Only - Average Latencyab0.08620.17240.25860.34480.431SE +/- 0.001, N = 30.3830.3771. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 1000 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 1000 - Mode: Read Writeab6K12K18K24K30KSE +/- 1166.42, N = 1229696133061. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 100 - Clients: 1000 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 100 - Clients: 1000 - Mode: Read Write - Average Latencyab20406080100SE +/- 1.35, N = 1234.2675.161. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 1000 - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 1000 - Mode: Read Onlyab400K800K1200K1600K2000KSE +/- 7936.79, N = 3201327220384141. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 1000 - Mode: Read Only - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 1000 - Mode: Read Only - Average Latencyab0.11180.22360.33540.44720.559SE +/- 0.002, N = 30.4970.4911. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 500 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 500 - Mode: Read Writeab3K6K9K12K15KSE +/- 312.90, N = 121598077211. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 500 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 500 - Mode: Read Write - Average Latencyab1428425670SE +/- 0.58, N = 1231.4164.761. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 800 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 800 - Mode: Read Writeab3K6K9K12K15KSE +/- 199.14, N = 41626884131. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 800 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 800 - Mode: Read Write - Average Latencyab20406080100SE +/- 0.59, N = 449.2095.091. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 1000 - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 1000 - Mode: Read Writeab3K6K9K12K15KSE +/- 825.80, N = 913613109931. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm

PostgreSQL

Scaling Factor: 1000 - Clients: 1000 - Mode: Read Write - Average Latency

OpenBenchmarking.orgms, Fewer Is BetterPostgreSQL 17Scaling Factor: 1000 - Clients: 1000 - Mode: Read Write - Average Latencyab20406080100SE +/- 5.19, N = 975.9590.971. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpq -lpgcommon -lpgport -lm


Phoronix Test Suite v10.8.5