[global] # The directory where the IO500 runs datadir = /mnt/llfs/ # The data directory is suffixed by a timestamp. Useful for running several IO500 tests concurrently. timestamp-datadir = TRUE # The result directory. resultdir = /mnt/llfs/results # The result directory is suffixed by a timestamp. Useful for running several IO500 tests concurrently. timestamp-resultdir = TRUE # The API to create/delete the datadir api = POSIX # Purge the caches, this is useful for testing and needed for single node runs drop-caches = TRUE # Cache purging command, invoked before each I/O phase drop-caches-cmd = sudo -n bash -c "echo 3 > /proc/sys/vm/drop_caches" # The verbosity level between 1 and 10 [debug] # Stonewall timer must be 300 for a valid result, can be smaller for testing stonewall-time = 300 [ior-easy] # The API to be used API = POSIX # Use ODirect posix.odirect = TRUE # Transfer size transferSize = 1m # Block size; must be a multiple of transferSize blockSize = 59392m # Filename for MPI hint file hintsFileName = # Create one file per process filePerProc = TRUE # Use unique directory per file per process uniqueDir = FALSE # Disable running of this phase noRun = FALSE # The verbosity level [ior-easy-write] # The API to be used API = POSIX # Use ODirect posix.odirect = TRUE # Filename for hints file hintsFileName = [mdtest-easy] # The API to be used API = POSIX # Use ODirect posix.odirect = # Files per proc n = 550000 # Disable running of this phase noRun = FALSE [mdtest-easy-write] # The API to be used API = POSIX # Use ODirect posix.odirect = # Disable running of this phase noRun = FALSE [ior-hard] # The API to be used API = POSIX # Use ODirect posix.odirect = FALSE # Filename for hints file hintsFileName = # Number of segments segmentCount = 420000 # Disable running of this phase noRun = FALSE # The verbosity level [ior-hard-write] # The API to be used API = POSIX # Use ODirect posix.odirect = FALSE # Filename for hints file hintsFileName = [mdtest-hard] # The API to be used API = POSIX # Use ODirect posix.odirect = # Files per proc n = 400000 # Disable running of this phase noRun = FALSE [mdtest-hard-write] # The API to be used API = # Use ODirect posix.odirect = # Disable running of this phase noRun = FALSE [find] # Set to an external script to perform the find phase external-script = /root/io500-app/bin/llfs-pfind.sh # Extra arguments for external scripts #external-extra-args = # Set the number of processes for pfind nproc = 1 # Pfind queue length pfind-queue-length = 100000 # Pfind Steal from next pfind-steal-next = FALSE # Parallelize the readdir by using hashing. Your system must support this! pfind-parallelize-single-dir-access-using-hashing = FALSE