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Benchmark between libriscv and 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 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 0.078446, 20396.605283 mip/s | |
| libriscv: call overhead median 3ns lowest: 3ns highest: 3ns | |
| libriscv: preempt overhead median 12ns lowest: 11ns highest: 15ns | |
| libriscv: fork median 221ns lowest: 215ns highest: 353ns | |
| libriscv: resume execution median 4ns lowest: 4ns highest: 9ns | |
| luajit: call overhead median 126ns lowest: 126ns highest: 195ns | |
| After this point, call overhead is subtracted from every benchmark result for both libriscv and Lua | |
| libriscv: array append median 3ns lowest: 3ns highest: 5ns | |
| libriscv: vector append median 1ns lowest: 1ns highest: 4ns | |
| luajit: table append median 33ns lowest: 24ns highest: 157ns | |
| libriscv: 8x arguments median 18ns lowest: 18ns highest: 51ns | |
| libriscv: 8x stored args median 14ns lowest: 13ns highest: 15ns | |
| libriscv: 8x prepared args median 18ns lowest: 18ns highest: 26ns | |
| luajit: 8x arguments median 319ns lowest: 315ns highest: 434ns | |
| libriscv: integer math median 1ns lowest: 1ns highest: 4ns | |
| libriscv: fp math median 4ns lowest: 4ns highest: 10ns | |
| libriscv: exp math median 11ns lowest: 11ns highest: 14ns | |
| libriscv: fib(40) median 10ns lowest: 10ns highest: 13ns | |
| libriscv: taylor(1K) median 632ns lowest: 599ns highest: 758ns | |
| luajit: integer math median 45ns lowest: 38ns highest: 102ns | |
| luajit: fp math median 55ns lowest: 51ns highest: 99ns | |
| luajit: exp math median 60ns lowest: 58ns highest: 169ns | |
| luajit: fib(40) median 56ns lowest: 53ns highest: 118ns | |
| luajit: taylor(1K) median 896ns lowest: 837ns highest: 981ns | |
| libriscv: syscall overhead median 2ns lowest: 2ns highest: 4ns | |
| libriscv: syscall string median 4ns lowest: 3ns highest: 7ns | |
| luajit: syscall overhead median 14ns lowest: 13ns highest: 48ns | |
| luajit: syscall string median 29ns lowest: 28ns highest: 86ns | |
| libriscv: complex syscall median 30ns lowest: 30ns highest: 76ns | |
| luajit: complex syscall median 737ns lowest: 725ns highest: 803ns | |
| libriscv: micro threads median 128ns lowest: 125ns highest: 195ns | |
| luajit: coroutines median 165ns lowest: 161ns highest: 245ns | |
| libriscv: micro thread args median 156ns lowest: 152ns highest: 212ns | |
| libriscv: full thread args median 168ns lowest: 163ns highest: 217ns | |
| luajit: coroutine args median 216ns lowest: 212ns highest: 268ns | |
| luajit: coroutine args median 237ns lowest: 234ns highest: 293ns | |
| libriscv: naive memcpy median 60ns lowest: 60ns highest: 98ns | |
| libriscv: syscall memcpy median 18ns lowest: 17ns highest: 28ns | |
| luajit: memcpy median 97ns lowest: 89ns highest: 192ns | |
| libriscv: syscall memset median 8ns lowest: 8ns highest: 12ns | |
| libriscv: naive memset median 34ns lowest: 34ns highest: 63ns | |
| luajit: memset median 69ns lowest: 68ns highest: 182ns | |
| libriscv: sieve(10M) median 32ms lowest: 32ms highest: 32ms | |
| luajit: sieve(10M) median 125ms lowest: 125ms highest: 125ms |
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libriscv with TCC (as a form of JIT) against LuaJIT