79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
if { [get_cmd_switch --autopilot] } {
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if {[have_include "power_on/qemu"]} {
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puts "\nRun script does not support Qemu.\n"
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exit 0
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}
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}
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build "core init test/memcpy"
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create_boot_directory
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install_config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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</parent-provides>
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<default-route> <any-service> <parent/> </any-service> </default-route>
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<default caps="200"/>
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<start name="test-memcpy">
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<resource name="RAM" quantum="32M"/>
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<config>
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<vfs> <dir name="dev"> <log/> <null/> </dir> </vfs>
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<libc stdout="/dev/log" stderr="/dev/log" socket="/socket"/>
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</config>
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</start>
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</config>
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}
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build_boot_image {
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core init test-memcpy
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ld.lib.so libc.lib.so vfs.lib.so
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}
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append qemu_args " -nographic "
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proc run_test {name serial_id} {
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run_genode_until "start $name.*\n" 20 $serial_id
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set t1 [clock milliseconds]
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run_genode_until "finished $name.*\n" 300 $serial_id
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set t2 [clock milliseconds]
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return [expr {$t2 - $t1}]
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}
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run_genode_until "Memcpy testsuite started.*\n" 60
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set serial_id [output_spawn_id]
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set byte_dur [run_test "bytewise memcpy" $serial_id]
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set genode_dur [run_test "Genode memcpy" $serial_id]
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set genode_set_dur [run_test "Genode memset" $serial_id]
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set libc_cpy_dur [run_test "libc memcpy" $serial_id]
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set libc_set_dur [run_test "libc memset" $serial_id]
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set uncached_wr_dur [run_test "Genode memcpy" $serial_id]
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set uncached_rd_dur [run_test "Genode memcpy" $serial_id]
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puts "bytewise: copied 8 GB in $byte_dur milliseconds ([expr {8192000 / $byte_dur}] MiB/sec)"
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puts "memcpy: copied 8 GB in $genode_dur milliseconds ([expr {8192000 / $genode_dur}] MiB/sec)"
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puts "memset: copied 8 GB in $genode_set_dur milliseconds ([expr {8192000 / $genode_set_dur}] MiB/sec)"
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puts "libc memcpy: copied 8 GB in $libc_cpy_dur milliseconds ([expr {8192000 / $libc_cpy_dur}] MiB/sec)"
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puts "libc memset: copied 8 GB in $libc_set_dur milliseconds ([expr {8192000 / $libc_set_dur}] MiB/sec)"
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puts "memcpy (uncached write): copied 8 GB in $uncached_wr_dur milliseconds ([expr {8192000 / $uncached_wr_dur}] MiB/sec)"
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puts "memcpy (uncached read): copied 8 GB in $uncached_rd_dur milliseconds ([expr {8192000 / $uncached_rd_dur}] MiB/sec)"
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exit 0
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#
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# Linux baseline measurements
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#
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# Raspberry Pi 1
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# bytewise memcpy: copied 8388608 KiB in 93390210 usecs (87 MiB/sec)
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# libc memcpy: copied 8388608 KiB in 6238602 usecs (1313 MiB/sec)
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# libc memset: copied 8388608 KiB in 6023324 usecs (1360 MiB/sec)
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