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TinyMemBenchNX: up to 3 threads/cores, but the result is still limited to CPU clock rate?

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This commit is contained in:
KazushiM
2021-11-05 00:20:20 +08:00
parent 955136a660
commit 3e6f82bc2e
3 changed files with 28 additions and 15 deletions
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BIN
SdOut/switch/TinyMemBenchNX.nro
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5
Source/TinyMemBenchNX/.gitignore vendored Normal file
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@@ -0,0 +1,5 @@
*.DS_Store
build/
*.elf
*.nacp
*.nro

38
Source/TinyMemBenchNX/source/main.c
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@@ -888,7 +888,7 @@ void printClock()
clkrstGetClockRate(&clkrstSession, &mem_hz);
clkrstCloseSession(&clkrstSession);
printf("== CPU: %u.%u MHz == MEM: %u.%u MHz ==\n",
printf("== CPU: %u.%u MHz ==\n== MEM: %u.%u MHz ==\n",
cpu_hz/1000000, cpu_hz/100000 - cpu_hz/1000000*10,
mem_hz/1000000, mem_hz/100000 - mem_hz/1000000*10);
consoleUpdate(NULL);
@@ -899,24 +899,20 @@ int main(int argc, char* argv[])
{
consoleInit(NULL);
printf("TinyMemBenchNX v0.4.10\n\
(based on tinymembench-pthread, a multi-thread fork of simple benchmark for memory throughput and latency)\n");
printf("\n");
consoleUpdate(NULL);
padConfigureInput(1, HidNpadStyleSet_NpadStandard);
padInitializeDefault(&pad);
int latbench_size = SIZE * 2, latbench_count = LATBENCH_COUNT;
int64_t *srcbuf, *dstbuf, *tmpbuf;
void *poolbuf;
size_t bufsize = SIZE;
int threads = 2;
int threads = 0;
printf("TinyMemBenchNX v0.4.10\n\
(based on tinymembench-pthread, a multi-thread fork of simple benchmark for memory throughput and latency)\n");
poolbuf = alloc_four_nonaliased_buffers((void **)&srcbuf, bufsize * threads,
(void **)&dstbuf, bufsize * threads,
(void **)&tmpbuf, BLOCKSIZE * threads,
NULL, 0);
printf("\n");
printf("==========================================================================\n");
printf("== Memory bandwidth tests ==\n");
printf("== ==\n");
@@ -933,10 +929,10 @@ int main(int argc, char* argv[])
printf("!!! Memory bandwidth heavily depends on CPU clock. !!!\n\n");
printf("\
Press A to start bandwidth test @ 1 thread.\n\
Press B to start bandwidth test @ 2 threads.\n\
Press A to start bandwidth test w/ 1 thread.\n\
Press X to start bandwidth test w/ 2 threads.\n\
Press Y to start bandwidth test w/ 3 threads.\n\
Press any other key to exit.\n\n");
consoleUpdate(NULL);
while (appletMainLoop())
@@ -950,11 +946,16 @@ Press any other key to exit.\n\n");
threads = 1;
break;
}
else if (kDown & HidNpadButton_B)
else if (kDown & HidNpadButton_X)
{
threads = 2;
break;
}
else if (kDown & HidNpadButton_Y)
{
threads = 3;
break;
}
else if (kDown)
{
consoleExit(NULL);
@@ -962,6 +963,11 @@ Press any other key to exit.\n\n");
}
}
poolbuf = alloc_four_nonaliased_buffers((void **)&srcbuf, bufsize * threads,
(void **)&dstbuf, bufsize * threads,
(void **)&tmpbuf, BLOCKSIZE * threads,
NULL, 0);
printClock();
printf("== Thread: %d ==\n", threads);
consoleUpdate(NULL);
@@ -982,6 +988,8 @@ Press any other key to exit.\n\n");
waitForKeyA();
consoleClear();
int latbench_size = SIZE * 2, latbench_count = LATBENCH_COUNT;
printf("\n");
printf("==========================================================================\n");
printf("== Memory latency test ==\n");