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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 0x10C20 | |
| 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 | |
| * Loading program of size 202739 from 0x78e52a0513c0 to virtual 0x10000 -> 0x417f3 | |
| * Program segment readable: 1 writable: 0 executable: 1 | |
| * Loading program of size 2096 from 0x78e52a082bb4 to virtual 0x427f4 -> 0x43024 | |
| * Program segment readable: 1 writable: 1 executable: 0 | |
| * Using program-provided exit function at 0x119c8 | |
| libriscv: Found embedded translation for hash 9077D2DD, 29/5663 mappings | |
| * Entry is at 0x10c20 | |
| libriscv: mips instr 1600020000, time 1.224121, 1307.076475 mip/s | |
| libriscv: call overhead median 2ns lowest: 2ns highest: 3ns | |
| libriscv: call args=1 median 6ns lowest: 6ns highest: 11ns | |
| libriscv: call args=2 median 6ns lowest: 6ns highest: 9ns | |
| libriscv: call args=3 median 6ns lowest: 6ns highest: 11ns | |
| libriscv: call args=4 median 6ns lowest: 6ns highest: 8ns | |
| libriscv: call args=5 median 6ns lowest: 6ns highest: 6ns | |
| libriscv: call args=6 median 6ns lowest: 6ns highest: 9ns | |
| libriscv: call args=7 median 6ns lowest: 6ns highest: 9ns | |
| libriscv: call args=8 median 6ns lowest: 6ns highest: 6ns | |
| libriscv: preempt overhead median 10ns lowest: 10ns highest: 14ns | |
| libriscv: resume execution median 4ns lowest: 4ns highest: 7ns | |
| luajit: call overhead median 152ns lowest: 149ns highest: 161ns | |
| luajit: call args=1 median 161ns lowest: 159ns highest: 172ns | |
| luajit: call args=2 median 165ns lowest: 163ns highest: 173ns | |
| luajit: call args=3 median 168ns lowest: 166ns highest: 176ns | |
| luajit: call args=4 median 173ns lowest: 170ns highest: 185ns | |
| luajit: call args=5 median 175ns lowest: 172ns highest: 185ns | |
| luajit: call args=6 median 177ns lowest: 175ns highest: 187ns | |
| luajit: call args=7 median 181ns lowest: 179ns highest: 191ns | |
| luajit: call args=8 median 184ns lowest: 182ns highest: 192ns | |
| libriscv: syscall args=0 median 3ns lowest: 3ns highest: 4ns | |
| libriscv: syscall args=1 median 5ns lowest: 5ns highest: 9ns | |
| libriscv: syscall args=2 median 5ns lowest: 5ns highest: 7ns | |
| libriscv: syscall args=3 median 5ns lowest: 5ns highest: 8ns | |
| libriscv: syscall args=4 median 5ns lowest: 5ns highest: 7ns | |
| libriscv: syscall args=5 median 5ns lowest: 5ns highest: 7ns | |
| libriscv: syscall args=6 median 5ns lowest: 5ns highest: 9ns | |
| libriscv: syscall args=7 median 5ns lowest: 5ns highest: 8ns | |
| libriscv: syscall string median 7ns lowest: 6ns highest: 10ns | |
| luajit: syscall args=0 median 168ns lowest: 165ns highest: 177ns | |
| luajit: syscall args=1 median 182ns lowest: 179ns highest: 196ns | |
| luajit: syscall args=2 median 195ns lowest: 192ns highest: 204ns | |
| luajit: syscall args=3 median 208ns lowest: 204ns highest: 218ns | |
| luajit: syscall args=4 median 223ns lowest: 219ns highest: 233ns | |
| luajit: syscall args=5 median 235ns lowest: 231ns highest: 248ns | |
| luajit: syscall args=6 median 249ns lowest: 245ns highest: 259ns | |
| luajit: syscall args=7 median 262ns lowest: 257ns highest: 270ns | |
| luajit: syscall string median 179ns lowest: 176ns highest: 188ns | |
| After this point, call overhead is subtracted from every benchmark result for both libriscv and Lua | |
| libriscv: array append median 4ns lowest: 4ns highest: 6ns | |
| libriscv: vector append median 5ns lowest: 5ns highest: 7ns | |
| luajit: table append median 19ns lowest: 15ns highest: 27ns | |
| libriscv: 8x arguments median 20ns lowest: 20ns highest: 29ns | |
| libriscv: 8x stored args median 16ns lowest: 16ns highest: 20ns | |
| libriscv: 8x prepared args median 20ns lowest: 19ns highest: 25ns | |
| luajit: 8x arguments median 369ns lowest: 361ns highest: 379ns | |
| libriscv: integer math median 5ns lowest: 4ns highest: 8ns | |
| libriscv: fp math median 7ns lowest: 7ns highest: 11ns | |
| libriscv: exp math median 9ns lowest: 9ns highest: 13ns | |
| libriscv: fib(40) median 3ns lowest: 3ns highest: 6ns | |
| libriscv: taylor(1K) median 612ns lowest: 600ns highest: 635ns | |
| luajit: integer math median 47ns lowest: 42ns highest: 55ns | |
| luajit: fp math median 58ns lowest: 55ns highest: 66ns | |
| luajit: exp math median 65ns lowest: 62ns highest: 80ns | |
| luajit: fib(40) median 59ns lowest: 55ns highest: 67ns | |
| luajit: taylor(1K) median 882ns lowest: 840ns highest: 924ns | |
| libriscv: complex syscall median 30ns lowest: 30ns highest: 34ns | |
| luajit: complex syscall median 840ns lowest: 830ns highest: 865ns | |
| libriscv: micro threads median 91ns lowest: 88ns highest: 100ns | |
| luajit: coroutines median 162ns lowest: 156ns highest: 188ns | |
| libriscv: micro thread args median 106ns lowest: 104ns highest: 113ns | |
| libriscv: full thread args median 118ns lowest: 115ns highest: 125ns | |
| luajit: coroutine args median 210ns lowest: 203ns highest: 227ns | |
| luajit: coroutine args median 258ns lowest: 249ns highest: 268ns | |
| libriscv: naive memcpy median 1044ns lowest: 999ns highest: 1056ns | |
| libriscv: syscall memcpy median 14ns lowest: 13ns highest: 17ns | |
| luajit: memcpy median 93ns lowest: 84ns highest: 102ns | |
| libriscv: syscall memset median 9ns lowest: 8ns highest: 19ns | |
| libriscv: naive memset median 262ns lowest: 172ns highest: 278ns | |
| luajit: memset median 66ns lowest: 63ns highest: 77ns | |
| libriscv: sieve(10M) median 39ms lowest: 39ms highest: 39ms | |
| luajit: sieve(10M) median 130ms lowest: 130ms highest: 130ms |
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libriscv with TCC (as a form of JIT) against LuaJIT