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Breaking changes:

  • The core_os os_type was removed from the Azure provider as the image was deleted,
    • It will be replaced by Fedora Core OS if a public image is made avaiable.
  • The dpb_sparksql_benchmark now requires passing the requested queries with --dpb_sparksql_query_order
  • AwsVirtualMachine.IMAGE_OWNER has been changed from a string to a list of strings to support images which have multiple owners e.g. AmazonLinux2 in opt-in regions.

New features:

  • Add prefix/directory support for object storage service runs.
  • Add MaskRCNN and ReXtNet-101 to the horovod benchmark.
  • Add Bigtable Benchmarking tutorial.
  • Add ycsb_skip_run_stage argument.
  • Move PKB static website files from gh-pages branch to master branch.
  • Add UDP benchmarking to iPerf.
  • Add ability to use Intel package repos.
  • Add Ubuntu 20.04 to AWS, Azure, and GCP providers.

Enhancements:

  • Added delay_time support for delete operations in object storage service.
  • Added horovod_synthetic option for synthetic input data in ResNet/ReXtNet models.
  • Added support for A100 GPUs.
  • Added cuda_tookit 11.0 support.
  • Updated retry_on_rate_limited to false on all cluster_boot runs.
  • Add ability to apply HPC optimized script to GCE VMs with --gce_hpc_tools
  • Update the nginx benchmark.
  • Added --before_run_pause flag for debugging during benchmark development.
  • Report CPU vulnerabilities as a sample via the --record_cpu_vuln flag.
  • Add retry when calling MountDisk.
  • Measure time to running status of a VM in large_scale_boot benchmark.
  • SpecCPU2017 runs on Redhat, Centos7
  • Aerospike YCSB can have multiple server nodes and different client/server machine types.
  • HPL's configuration file customizable with flags.
  • Added Intel MPI to linux_packages.
  • Added ability to use MKL 2018.2 from Intel repos via --mkl_install_from_repo
  • Added ability to install gfortran 9 with --fortran_version=9

Bug fixes and maintenance updates:

  • Tuned entity cleanup parameters.
  • Fix wrong unit in MLPerf benchmark.
  • Disabled TF_CUDNN_USE_AUTOTUNE for horovod benchmarks.
  • Updated default NCCL version.
  • Use a deletion task to cleanup leftover entities to avoid hitting batch limit.
  • Updated object storage service deleteObjects API to also return back object_sizes of deleted objects.
  • Fixed a bug in leftover entity deletion logic.
  • Fixed string encoding bug in netperf_pps benchmark.
  • Fix installing RedHat EPEL on GCP (rhel8,centos8) and AWS (rhel7,rhel8, centos8, amazonlinux2)
  • Correctly install pip rhel8,centos8 all os types.
  • Fixed a bug in leftover entity deletion logic.
  • Use absl parameterized test case.
  • Error out if AWS EFA install fails (centos8,rhel8)
  • Added cascadelake as a --gcp_min_cpu_platform option.
  • Move CoreOS from EOL Container Linux CoreOS to Fedora CoreOS on AWS and GCP.
  • Update files to use absl/flags.
  • Tries alternate command to get boot time, fixing continuous checking for new time on rebooted system.
  • Correctly handle ARM processors in netperf.
  • Added --always_teardown_on_exception to allow pkb to perform teardown when there is exception at the provision|prepare|run|cleanup stage.
  • Updates crcmod, boto, and awscli installation to pip3.