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Optimize inner mining loop

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This commit is contained in:
Duke Leto
2022-11-15 14:40:10 -05:00
parent c8b2163c1c
commit 665f895134
1 changed files with 16 additions and 14 deletions
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30
src/miner.cpp
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@@ -1065,6 +1065,8 @@ void static RandomXMiner()
cancelSolver = true;
}
);
miningTimer.start();
randomx_flags flags = randomx_get_flags();
// TODO: attempt to use large pages and fall back to no large pages
// flags |= RANDOMX_FLAG_LARGE_PAGES;
@@ -1087,7 +1089,20 @@ void static RandomXMiner()
return;
}
miningTimer.start();
char randomxHash[RANDOMX_HASH_SIZE];
rxdebug("%s: created randomxHash of size %d\n", RANDOMX_HASH_SIZE);
char randomxKey[82]; // randomx spec says keysize of >60 bytes is implementation-specific
// initial randomx key is unique to every Hush Smart Chain, and has at least 9 bytes (2^9=128 bits) of entropy
// since magic is 4 bytes, rpc port is 4 bytes and smart chain symbol must be at least 1 character long
snprintf(randomxKey, 81, "%08x%s%08x", ASSETCHAINS_MAGIC, SMART_CHAIN_SYMBOL, ASSETCHAINS_RPCPORT);
// With the defaults of 1024 and 64
// the key block will change every ~21.3 hours with a 75s block time
// and every ~17 hours with the default 60s block time for HSCs
int randomxInterval = GetArg("-ac_randomx_interval",1024);
// This lag is 80 mins for 75s blocktime and 64 mins for 60s (default) blocktime for HSCs
int randomxBlockLag = GetArg("-ac_randomx_lag", 64);
try {
// fprintf(stderr,"RandomXMiner: mining %s with randomx\n",SMART_CHAIN_SYMBOL);
@@ -1138,19 +1153,6 @@ void static RandomXMiner()
Mining_start = (uint32_t)time(NULL);
}
char randomxHash[RANDOMX_HASH_SIZE];
rxdebug("%s: created randomxHash of size %d\n", RANDOMX_HASH_SIZE);
char randomxKey[82]; // randomx spec says keysize of >60 bytes is implementation-specific
// initial randomx key is unique to every Hush Smart Chain, and has at least 9 bytes (2^9=128 bits) of entropy
// since magic is 4 bytes, rpc port is 4 bytes and smart chain symbol must be at least 1 character long
snprintf(randomxKey, 81, "%08x%s%08x", ASSETCHAINS_MAGIC, SMART_CHAIN_SYMBOL, ASSETCHAINS_RPCPORT);
// With the defaults of 1024 and 64
// the key block will change every ~21.3 hours with a 75s block time
// and every ~17 hours with the default 60s block time for HSCs
int randomxInterval = GetArg("-ac_randomx_interval",1024);
// This lag is 80 mins for 75s blocktime and 64 mins for 60s (default) blocktime for HSCs
int randomxBlockLag = GetArg("-ac_randomx_lag", 64);
// fprintf(stderr,"RandomXMiner: using initial key with interval=%d and lag=%d\n", randomxInterval, randomxBlockLag);
rxdebug("%s: using initial key, interval=%d, lag=%d, Mining_height=%u\n", randomxInterval, randomxBlockLag, Mining_height);