a0658f09ce
Optimize the memory benchmark: - get rid of the global mutex to calculate statistics - remove if() and switch() branches on critical code paths - align memory blocks to OS page size - use native machine word size instead of 'int'
231 lines
6.4 KiB
Raku
231 lines
6.4 KiB
Raku
########################################################################
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memory benchmark tests
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########################################################################
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$ args="memory --memory-block-size=4K --memory-total-size=1G --events=1 --time=0 --threads=2"
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The --memory-hugetlb option is supported and printed by 'sysbench
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help' only on Linux.
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$ if [ "$(uname -s)" = "Linux" ]
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> then
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> sysbench $args help | grep hugetlb
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> else
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> echo " --memory-hugetlb[=on|off] allocate memory from HugeTLB pool [off]"
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> fi
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--memory-hugetlb[=on|off] allocate memory from HugeTLB pool [off]
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$ sysbench $args help | grep -v hugetlb
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sysbench * (glob)
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memory options:
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--memory-block-size=SIZE size of memory block for test [1K]
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--memory-total-size=SIZE total size of data to transfer [100G]
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--memory-scope=STRING memory access scope {global,local} [global]
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--memory-oper=STRING type of memory operations {read, write, none} [write]
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--memory-access-mode=STRING memory access mode {seq,rnd} [seq]
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$ sysbench $args prepare
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sysbench *.* * (glob)
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'memory' test does not implement the 'prepare' command.
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[1]
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$ sysbench $args --memory-block-size=-1 run
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sysbench * (glob)
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FATAL: Invalid value for memory-block-size: -1
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[1]
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$ sysbench $args --memory-block-size=0 run
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sysbench * (glob)
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FATAL: Invalid value for memory-block-size: 0
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[1]
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$ sysbench $args --memory-block-size=3 run
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sysbench * (glob)
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FATAL: Invalid value for memory-block-size: 3
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[1]
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$ sysbench $args --memory-block-size=9 run
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sysbench * (glob)
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FATAL: Invalid value for memory-block-size: 9
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[1]
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########################################################################
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# Global reads
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########################################################################
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$ sysbench $args --memory-oper=read run
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sysbench *.* * (glob)
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Running the test with following options:
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Number of threads: 2
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Initializing random number generator from current time
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Running memory speed test with the following options:
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block size: 4KiB
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total size: 1024MiB
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operation: read
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scope: global
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Initializing worker threads...
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Threads started!
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Total operations: 262144 (* per second) (glob)
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1024.00 MiB transferred (* MiB/sec) (glob)
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General statistics:
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total time: *s (glob)
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total number of events: 262144 (glob)
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Latency (ms):
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min: *.* (glob)
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avg: *.* (glob)
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max: *.* (glob)
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95th percentile: *.* (glob)
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sum: *.* (glob)
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Threads fairness:
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events (avg/stddev): */* (glob)
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execution time (avg/stddev): */* (glob)
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########################################################################
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# Global writes
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########################################################################
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$ sysbench $args --memory-oper=write run
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sysbench *.* * (glob)
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Running the test with following options:
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Number of threads: 2
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Initializing random number generator from current time
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Running memory speed test with the following options:
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block size: 4KiB
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total size: 1024MiB
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operation: write
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scope: global
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Initializing worker threads...
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Threads started!
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Total operations: 262144 (* per second) (glob)
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1024.00 MiB transferred (* MiB/sec) (glob)
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General statistics:
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total time: *s (glob)
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total number of events: 262144 (glob)
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Latency (ms):
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min: *.* (glob)
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avg: *.* (glob)
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max: *.* (glob)
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95th percentile: *.* (glob)
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sum: *.* (glob)
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Threads fairness:
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events (avg/stddev): */* (glob)
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execution time (avg/stddev): */* (glob)
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########################################################################
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# Local reads
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########################################################################
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$ sysbench $args --memory-scope=local --memory-oper=read run
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sysbench *.* * (glob)
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Running the test with following options:
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Number of threads: 2
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Initializing random number generator from current time
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Running memory speed test with the following options:
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block size: 4KiB
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total size: 1024MiB
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operation: read
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scope: local
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Initializing worker threads...
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Threads started!
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Total operations: 262144 (* per second) (glob)
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1024.00 MiB transferred (* MiB/sec) (glob)
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General statistics:
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total time: *s (glob)
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total number of events: 262144 (glob)
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Latency (ms):
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min: *.* (glob)
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avg: *.* (glob)
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max: *.* (glob)
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95th percentile: *.* (glob)
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sum: *.* (glob)
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Threads fairness:
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events (avg/stddev): */* (glob)
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execution time (avg/stddev): */* (glob)
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########################################################################
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# Local writes
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########################################################################
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$ sysbench $args --memory-scope=local --memory-oper=write run
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sysbench *.* * (glob)
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Running the test with following options:
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Number of threads: 2
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Initializing random number generator from current time
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Running memory speed test with the following options:
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block size: 4KiB
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total size: 1024MiB
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operation: write
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scope: local
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Initializing worker threads...
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Threads started!
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Total operations: 262144 (* per second) (glob)
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1024.00 MiB transferred (* MiB/sec) (glob)
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General statistics:
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total time: *s (glob)
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total number of events: 262144 (glob)
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Latency (ms):
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min: *.* (glob)
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avg: *.* (glob)
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max: *.* (glob)
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95th percentile: *.* (glob)
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sum: *.* (glob)
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Threads fairness:
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events (avg/stddev): */* (glob)
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execution time (avg/stddev): */* (glob)
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$ sysbench $args cleanup
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sysbench *.* * (glob)
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'memory' test does not implement the 'cleanup' command.
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[1]
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