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Interpreted libriscv vs. Luau (both actual sandboxes)
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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 1600025000, time 1.507793, 1061.170229 mip/s | |
| libriscv: call overhead median 3ns lowest: 3ns highest: 3ns | |
| libriscv: preempt overhead median 12ns lowest: 11ns highest: 13ns | |
| libriscv: fork median 211ns lowest: 204ns highest: 234ns | |
| libriscv: resume execution median 3ns lowest: 3ns highest: 3ns | |
| luau: call overhead median 83ns lowest: 82ns highest: 89ns | |
| libriscv: array append median 3ns lowest: 3ns highest: 9ns | |
| libriscv: vector append median 10ns lowest: 9ns highest: 13ns | |
| luau: table append median 24ns lowest: 23ns highest: 38ns | |
| libriscv: 8x arguments median 45ns lowest: 44ns highest: 55ns | |
| libriscv: 8x stored args median 35ns lowest: 33ns highest: 38ns | |
| libriscv: 8x prepared args median 43ns lowest: 42ns highest: 50ns | |
| luau: 8x arguments median 215ns lowest: 209ns highest: 234ns | |
| libriscv: integer math median 4ns lowest: 3ns highest: 4ns | |
| libriscv: fp math median 8ns lowest: 8ns highest: 15ns | |
| libriscv: exp math median 14ns lowest: 12ns highest: 20ns | |
| libriscv: fib(40) median 171ns lowest: 149ns highest: 206ns | |
| libriscv: taylor(1K) median 6487ns lowest: 6409ns highest: 6958ns | |
| luau: integer math median 38ns lowest: 35ns highest: 44ns | |
| luau: fp math median 53ns lowest: 46ns highest: 67ns | |
| luau: exp math median 53ns lowest: 50ns highest: 68ns | |
| luau: fib(40) median 473ns lowest: 455ns highest: 552ns | |
| luau: taylor(1K) median 10487ns lowest: 9013ns highest: 11330ns | |
| libriscv: syscall overhead median 2ns lowest: 2ns highest: 2ns | |
| libriscv: syscall string median 7ns lowest: 6ns highest: 11ns | |
| luau: syscall overhead median 19ns lowest: 17ns highest: 22ns | |
| luau: syscall string median 36ns lowest: 34ns highest: 53ns | |
| libriscv: complex syscall median 60ns lowest: 59ns highest: 68ns | |
| luau: complex syscall median 606ns lowest: 594ns highest: 624ns | |
| libriscv: micro threads median 131ns lowest: 128ns highest: 141ns | |
| luau: coroutines median 182ns lowest: 178ns highest: 200ns | |
| libriscv: micro thread args median 185ns lowest: 182ns highest: 199ns | |
| libriscv: full thread args median 192ns lowest: 189ns highest: 214ns | |
| luau: coroutine args median 236ns lowest: 232ns highest: 253ns | |
| luau: coroutine args median 233ns lowest: 228ns highest: 253ns | |
| libriscv: naive memcpy median 322ns lowest: 310ns highest: 425ns | |
| libriscv: syscall memcpy median 17ns lowest: 16ns highest: 24ns | |
| luau: memcpy median 2393ns lowest: 2371ns highest: 2441ns | |
| libriscv: syscall memset median 10ns lowest: 10ns highest: 19ns | |
| libriscv: naive memset median 187ns lowest: 179ns highest: 226ns | |
| luau: memset median 1607ns lowest: 1595ns highest: 1690ns | |
| libriscv: sieve(10M) median 178ms lowest: 178ms highest: 178ms | |
| luau: sieve(10M) median 400ms lowest: 400ms highest: 400ms |
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