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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 0x1021C | |
| 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 1.563432, 1023.405428 mip/s | |
| libriscv: call overhead median 4ns lowest: 4ns highest: 4ns | |
| libriscv: preempt overhead median 18ns lowest: 17ns highest: 27ns | |
| libriscv: fork median 208ns lowest: 201ns highest: 221ns | |
| libriscv: resume execution median 3ns lowest: 3ns highest: 7ns | |
| luau: call overhead median 86ns lowest: 86ns highest: 95ns | |
| After this point, call overhead is subtracted from every benchmark result for both libriscv and Lua | |
| libriscv: array append median 4ns lowest: 2ns highest: 7ns | |
| libriscv: vector append median 8ns lowest: 8ns highest: 12ns | |
| luau: table append median 24ns lowest: 23ns highest: 32ns | |
| libriscv: 8x arguments median 50ns lowest: 46ns highest: 68ns | |
| libriscv: 8x stored args median 40ns lowest: 35ns highest: 51ns | |
| libriscv: 8x prepared args median 48ns lowest: 45ns highest: 69ns | |
| luau: 8x arguments median 239ns lowest: 233ns highest: 252ns | |
| libriscv: integer math median 3ns lowest: 2ns highest: 5ns | |
| libriscv: fp math median 11ns lowest: 10ns highest: 14ns | |
| libriscv: exp math median 16ns lowest: 14ns highest: 24ns | |
| libriscv: fib(40) median 205ns lowest: 204ns highest: 215ns | |
| libriscv: taylor(1K) median 5876ns lowest: 5482ns highest: 6380ns | |
| luau: integer math median 44ns lowest: 40ns highest: 51ns | |
| luau: fp math median 51ns lowest: 49ns highest: 154ns | |
| luau: exp math median 58ns lowest: 56ns highest: 67ns | |
| luau: fib(40) median 488ns lowest: 479ns highest: 506ns | |
| luau: taylor(1K) median 21319ns lowest: 20496ns highest: 22478ns | |
| libriscv: syscall overhead median 3ns lowest: 2ns highest: 3ns | |
| libriscv: syscall string median 7ns lowest: 7ns highest: 9ns | |
| luau: syscall overhead median 17ns lowest: 15ns highest: 27ns | |
| luau: syscall string median 35ns lowest: 33ns highest: 47ns | |
| libriscv: complex syscall median 60ns lowest: 55ns highest: 65ns | |
| luau: complex syscall median 721ns lowest: 712ns highest: 731ns | |
| libriscv: micro threads median 126ns lowest: 122ns highest: 137ns | |
| luau: coroutines median 189ns lowest: 184ns highest: 199ns | |
| libriscv: micro thread args median 180ns lowest: 172ns highest: 214ns | |
| libriscv: full thread args median 215ns lowest: 191ns highest: 240ns | |
| luau: coroutine args median 258ns lowest: 253ns highest: 273ns | |
| luau: coroutine args median 248ns lowest: 243ns highest: 260ns | |
| libriscv: naive memcpy median 411ns lowest: 314ns highest: 427ns | |
| libriscv: syscall memcpy median 20ns lowest: 19ns highest: 33ns | |
| luau: memcpy median 2248ns lowest: 2227ns highest: 2320ns | |
| libriscv: syscall memset median 11ns lowest: 9ns highest: 14ns | |
| libriscv: naive memset median 244ns lowest: 194ns highest: 252ns | |
| luau: memset median 1661ns lowest: 1607ns highest: 1690ns | |
| libriscv: sieve(10M) median 139ms lowest: 139ms highest: 139ms | |
| luau: sieve(10M) median 408ms lowest: 408ms highest: 408ms |
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