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-rw-r--r--xmrstak/backend/cpu/autoAdjust.hpp33
-rw-r--r--xmrstak/backend/cpu/config.tpl3
-rw-r--r--xmrstak/backend/cpu/crypto/cryptonight_aesni.h13
-rw-r--r--xmrstak/backend/cpu/minethd.cpp13
4 files changed, 35 insertions, 27 deletions
diff --git a/xmrstak/backend/cpu/autoAdjust.hpp b/xmrstak/backend/cpu/autoAdjust.hpp
index 7bdb14e..db805ec 100644
--- a/xmrstak/backend/cpu/autoAdjust.hpp
+++ b/xmrstak/backend/cpu/autoAdjust.hpp
@@ -33,25 +33,21 @@ class autoAdjust
{
public:
- size_t hashMemSize;
- size_t halfHashMemSize;
-
- autoAdjust()
+ bool printConfig()
{
+ size_t hashMemSizeKB;
+ size_t halfHashMemSizeKB;
+
if(::jconf::inst()->IsCurrencyMonero())
{
- hashMemSize = MONERO_MEMORY;
- halfHashMemSize = hashMemSize / 2u;
+ hashMemSizeKB = MONERO_MEMORY / 1024u;
+ halfHashMemSizeKB = hashMemSizeKB / 2u;
}
else
{
- hashMemSize = AEON_MEMORY;
- halfHashMemSize = hashMemSize / 2u;
+ hashMemSizeKB = AEON_MEMORY / 1024u;
+ halfHashMemSizeKB = hashMemSizeKB / 2u;
}
- }
-
- bool printConfig()
- {
configEditor configTpl{};
@@ -63,9 +59,10 @@ public:
std::string conf;
- if(!detectL3Size() || L3KB_size < halfHashMemSize || L3KB_size > (halfHashMemSize * 100u))
+
+ if(!detectL3Size() || L3KB_size < halfHashMemSizeKB || L3KB_size > (halfHashMemSizeKB * 2048u))
{
- if(L3KB_size < halfHashMemSize || L3KB_size > (halfHashMemSize * 100))
+ if(L3KB_size < halfHashMemSizeKB || L3KB_size > (halfHashMemSizeKB * 2048))
printer::inst()->print_msg(L0, "Autoconf failed: L3 size sanity check failed - %u KB.", L3KB_size);
conf += std::string(" { \"low_power_mode\" : false, \"no_prefetch\" : true, \"affine_to_cpu\" : false },\n");
@@ -88,7 +85,7 @@ public:
if(L3KB_size <= 0)
break;
- double_mode = L3KB_size / hashMemSize > (int32_t)(corecnt-i);
+ double_mode = L3KB_size / hashMemSizeKB > (int32_t)(corecnt-i);
conf += std::string(" { \"low_power_mode\" : ");
conf += std::string(double_mode ? "true" : "false");
@@ -107,9 +104,9 @@ public:
aff_id++;
if(double_mode)
- L3KB_size -= hashMemSize * 2u;
+ L3KB_size -= hashMemSizeKB * 2u;
else
- L3KB_size -= hashMemSize;
+ L3KB_size -= hashMemSizeKB;
}
}
@@ -142,7 +139,7 @@ private:
}
L3KB_size = ((get_masked(cpu_info[1], 31, 22) + 1) * (get_masked(cpu_info[1], 21, 12) + 1) *
- (get_masked(cpu_info[1], 11, 0) + 1) * (cpu_info[2] + 1)) / halfHashMemSize;
+ (get_masked(cpu_info[1], 11, 0) + 1) * (cpu_info[2] + 1)) / 1024;
return true;
}
diff --git a/xmrstak/backend/cpu/config.tpl b/xmrstak/backend/cpu/config.tpl
index b21a22d..fc4acb9 100644
--- a/xmrstak/backend/cpu/config.tpl
+++ b/xmrstak/backend/cpu/config.tpl
@@ -24,6 +24,9 @@ R"===(
* { "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 0 },
* { "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 1 },
* ],
+ * If you do not wish to mine with your CPU(s) then use:
+ * "cpu_threads_conf" :
+ * null,
*/
"cpu_threads_conf" :
diff --git a/xmrstak/backend/cpu/crypto/cryptonight_aesni.h b/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
index 9b6e1dc..e4ccbc3 100644
--- a/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
+++ b/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
@@ -317,10 +317,9 @@ void cryptonight_hash(const void* input, size_t len, void* output, cryptonight_c
_mm_store_si128((__m128i *)&l0[idx0 & MASK], _mm_xor_si128(bx0, cx));
idx0 = _mm_cvtsi128_si64(cx);
- bx0 = cx;
-
if(PREFETCH)
_mm_prefetch((const char*)&l0[idx0 & MASK], _MM_HINT_T0);
+ bx0 = cx;
uint64_t hi, lo, cl, ch;
cl = ((uint64_t*)&l0[idx0 & MASK])[0];
@@ -329,15 +328,15 @@ void cryptonight_hash(const void* input, size_t len, void* output, cryptonight_c
lo = _umul128(idx0, cl, &hi);
al0 += hi;
- ah0 += lo;
((uint64_t*)&l0[idx0 & MASK])[0] = al0;
+ al0 ^= cl;
+ if(PREFETCH)
+ _mm_prefetch((const char*)&l0[al0 & MASK], _MM_HINT_T0);
+ ah0 += lo;
((uint64_t*)&l0[idx0 & MASK])[1] = ah0;
ah0 ^= ch;
- al0 ^= cl;
- idx0 = al0;
- if(PREFETCH)
- _mm_prefetch((const char*)&l0[idx0 & MASK], _MM_HINT_T0);
+ idx0 = al0;
}
// Optim - 90% time boundary
diff --git a/xmrstak/backend/cpu/minethd.cpp b/xmrstak/backend/cpu/minethd.cpp
index b41e4a9..1d9165e 100644
--- a/xmrstak/backend/cpu/minethd.cpp
+++ b/xmrstak/backend/cpu/minethd.cpp
@@ -73,7 +73,16 @@ namespace cpu
bool minethd::thd_setaffinity(std::thread::native_handle_type h, uint64_t cpu_id)
{
#if defined(_WIN32)
- return SetThreadAffinityMask(h, 1ULL << cpu_id) != 0;
+ // we can only pin up to 64 threads
+ if(cpu_id < 64)
+ {
+ return SetThreadAffinityMask(h, 1ULL << cpu_id) != 0;
+ }
+ else
+ {
+ printer::inst()->print_msg(L0, "WARNING: Windows supports only affinity up to 63.");
+ return false;
+ }
#elif defined(__APPLE__)
thread_port_t mach_thread;
thread_affinity_policy_data_t policy = { static_cast<integer_t>(cpu_id) };
@@ -309,7 +318,7 @@ std::vector<iBackend*> minethd::thread_starter(uint32_t threadOffset, miner_work
if(cfg.iCpuAff >= 0)
{
#if defined(__APPLE__)
- printer::inst()->print_msg(L1, "WARNING on MacOS thread affinity is only advisory.");
+ printer::inst()->print_msg(L1, "WARNING on macOS thread affinity is only advisory.");
#endif
printer::inst()->print_msg(L1, "Starting %dx thread, affinity: %d.", cfg.iMultiway, (int)cfg.iCpuAff);
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