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Interpreted libriscv vs. LuaJIT
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| $ ./bench | |
| * All benchmark results are measured in 200x1200 samples | |
| benchmark overhead median 0ns lowest: 0ns highest: 0ns | |
| Self-test running ELF entry at 0x101BC | |
| Calling into event loop...! | |
| event_loop: Checking for work | |
| event_loop: Going to sleep! | |
| add_work: Adding work | |
| Resuming event loop...! | |
| event_loop: Checking for work | |
| work: Doing some work! | |
| event_loop: Going to sleep! | |
| event_loop: Checking for work | |
| event_loop: Going to sleep! | |
| add_work: Adding work | |
| event_loop: Checking for work | |
| work: Doing some work! | |
| event_loop: Going to sleep! | |
| RISC-V self-test OK | |
| libriscv: mips instr 640010000, time 0.493455, 1296.997474 mip/s | |
| libriscv: call overhead median 4ns lowest: 3ns highest: 5ns | |
| libriscv: preempt overhead median 12ns lowest: 12ns highest: 23ns | |
| libriscv: fork median 202ns lowest: 199ns highest: 218ns | |
| libriscv: resume execution median 3ns lowest: 3ns highest: 4ns | |
| luajit: call overhead median 53ns lowest: 53ns highest: 133ns | |
| libriscv: array append median 2ns lowest: 2ns highest: 13ns | |
| libriscv: vector append median 8ns lowest: 7ns highest: 12ns | |
| luajit: table append median 17ns lowest: 16ns highest: 43ns | |
| libriscv: 8x arguments median 39ns lowest: 38ns highest: 43ns | |
| libriscv: 8x stored args median 31ns lowest: 29ns highest: 37ns | |
| libriscv: 8x prepared args median 39ns lowest: 38ns highest: 47ns | |
| luajit: 8x arguments median 218ns lowest: 213ns highest: 233ns | |
| libriscv: integer math median 3ns lowest: 3ns highest: 4ns | |
| libriscv: fp math median 12ns lowest: 10ns highest: 23ns | |
| libriscv: exp math median 16ns lowest: 14ns highest: 23ns | |
| libriscv: fib(40) median 165ns lowest: 162ns highest: 175ns | |
| libriscv: taylor(1K) median 6823ns lowest: 6636ns highest: 7313ns | |
| luajit: integer math median 19ns lowest: 18ns highest: 42ns | |
| luajit: fp math median 29ns lowest: 27ns highest: 41ns | |
| luajit: exp math median 33ns lowest: 32ns highest: 42ns | |
| luajit: fib(40) median 32ns lowest: 29ns highest: 42ns | |
| luajit: taylor(1K) median 867ns lowest: 815ns highest: 927ns | |
| libriscv: syscall overhead median 1ns lowest: 1ns highest: 3ns | |
| libriscv: syscall string median 5ns lowest: 4ns highest: 6ns | |
| luajit: syscall overhead median 10ns lowest: 9ns highest: 38ns | |
| luajit: syscall string median 36ns lowest: 35ns highest: 44ns | |
| libriscv: complex syscall median 58ns lowest: 50ns highest: 62ns | |
| luajit: complex syscall median 492ns lowest: 484ns highest: 602ns | |
| libriscv: micro threads median 120ns lowest: 117ns highest: 124ns | |
| luajit: coroutines median 163ns lowest: 159ns highest: 194ns | |
| libriscv: micro thread args median 171ns lowest: 167ns highest: 182ns | |
| libriscv: full thread args median 179ns lowest: 175ns highest: 195ns | |
| luajit: coroutine args median 192ns lowest: 187ns highest: 209ns | |
| luajit: coroutine args median 196ns lowest: 192ns highest: 220ns | |
| libriscv: naive memcpy median 321ns lowest: 278ns highest: 721ns | |
| libriscv: syscall memcpy median 16ns lowest: 15ns highest: 29ns | |
| luajit: memcpy median 97ns lowest: 91ns highest: 114ns | |
| libriscv: syscall memset median 9ns lowest: 9ns highest: 17ns | |
| libriscv: naive memset median 188ns lowest: 180ns highest: 275ns | |
| luajit: memset median 73ns lowest: 71ns highest: 81ns | |
| libriscv: sieve(10M) median 142ms lowest: 142ms highest: 142ms | |
| luajit: sieve(10M) median 120ms lowest: 120ms highest: 120ms |
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