rocm-systems/tools/TransferBench/CHANGELOG.md

Changelog for TransferBench

v1.02

Added

• Setting NUM_ITERATIONS to negative number indicates to run for -NUM_ITERATIONS seconds per Test

Changed

• Copies are now refered to as Transfers instead of Links
• Re-ordering how env vars are displayed (alphabetically now)

Removed

• Combined timing is now always on for kernel-based GPU copies. COMBINED_TIMING env var has been removed
• Use single sync is no longer supported to facility variable iterations. USE_SINGLE_SYNC env var has been removed

v1.01

Added

• Adding USE_SINGLE_STREAM feature
  • All Links that execute on the same GPU device are executed with a single kernel launch on a single stream
  • Does not work with USE_HIP_CALL and forces USE_SINGLE_SYNC to collect timings
  • Adding ability to request coherent / fine-grained host memory ('B')

Changed

• Separating TransferBench from RCCL repo
• Peer-to-peer benchmark mode now works OUTPUT_TO_CSV
• Toplogy display now works with OUTPUT_TO_CSV
• Moving documentation about config file into example.cfg

Removed

• Removed config file generation
• Removed show pointer address environment variable (SHOW_ADDR)