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[v0.02] Fix typos. Divide memory detection in two phases. Show real memory frequency, instead of the returned by CUDA

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This commit is contained in:
Dr-Noob
2021-08-15 22:17:46 +02:00
parent 8386052b10
commit 8f31748d1e
4 changed files with 12 additions and 6 deletions
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13
src/cuda/cuda.cpp
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@@ -27,9 +27,10 @@ struct topology* get_topology_info(cudaDeviceProp prop) {
return topo;
}
MEMTYPE guess_memory_type(struct memory* mem, struct gpu_info* gpu) {
int32_t guess_clock_multipilier(struct gpu_info* gpu, struct memory* mem) {
// Guess clock multiplier
int32_t clk_mul = -1;
int32_t clk8 = abs((mem->freq/8) - gpu->freq);
int32_t clk4 = abs((mem->freq/4) - gpu->freq);
int32_t clk2 = abs((mem->freq/2) - gpu->freq);
@@ -41,16 +42,20 @@ MEMTYPE guess_memory_type(struct memory* mem, struct gpu_info* gpu) {
if(min > clk2) { clk_mul = 2; min = clk2; }
if(min > clk1) { clk_mul = 1; min = clk1; }
return guess_memtype_from_cmul_and_uarch(clk_mul, gpu->arch);
return clk_mul;
}
struct memory* get_memory_info(struct gpu_info* gpu, cudaDeviceProp prop) {
struct memory* mem = (struct memory*) emalloc(sizeof(struct memory));
mem->size_bytes = (unsigned long long) prop.totalGlobalMem;
mem->freq = prop.memoryClockRate * 1e-3f;
mem->freq = prop.memoryClockRate * 0.001f;
mem->bus_width = prop.memoryBusWidth;
mem->type = guess_memory_type(mem, gpu);
mem->clk_mul = guess_clock_multipilier(gpu, mem);
mem->type = guess_memtype_from_cmul_and_uarch(mem->clk_mul, gpu->arch);
// Fix frequency returned from CUDA to show real frequency
mem->freq = mem->freq / mem->clk_mul;
return mem;
}

2
src/cuda/uarch.cpp
View File

@@ -270,7 +270,7 @@ struct uarch* get_uarch_from_cuda(struct gpu_info* gpu) {
#define CHECK_MEMTYPE_START if (false) {}
#define CHECK_MEMTYPE(arch, clkm, arch_, clkm_, memtype) \
else if (arch->uarch == arch_ && (clkm_ == CM_ANY || clkm == clkm_)) return memtype;
#define CHECK_MEMTYPE_END else { printBug("guess_memtype_from_cmul_and_uarch: Found invalid convination: clkm=%d, uarch=%d", clkm, arch->uarch); return MEMTYPE_UNKNOWN; }
#define CHECK_MEMTYPE_END else { printBug("guess_memtype_from_cmul_and_uarch: Found invalid combination: clkm=%d, uarch=%d", clkm, arch->uarch); return MEMTYPE_UNKNOWN; }
MEMTYPE guess_memtype_from_cmul_and_uarch(int clkm, struct uarch* arch) {
/*