From 060870462606f82d3a9b0fe6aca87f8a5de8705e Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Fri, 15 Dec 2017 11:03:20 -0800 Subject: Some micro-optimizations, including a memcpy that is faster than Linux for most distro/compiler versions. --- node/InetAddress.hpp | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) (limited to 'node/InetAddress.hpp') diff --git a/node/InetAddress.hpp b/node/InetAddress.hpp index 76810b93..fd430099 100644 --- a/node/InetAddress.hpp +++ b/node/InetAddress.hpp @@ -91,8 +91,8 @@ struct InetAddress : public sockaddr_storage }; InetAddress() { memset(this,0,sizeof(InetAddress)); } - InetAddress(const InetAddress &a) { memcpy(this,&a,sizeof(InetAddress)); } - InetAddress(const InetAddress *a) { memcpy(this,a,sizeof(InetAddress)); } + InetAddress(const InetAddress &a) { ZT_FAST_MEMCPY(this,&a,sizeof(InetAddress)); } + InetAddress(const InetAddress *a) { ZT_FAST_MEMCPY(this,a,sizeof(InetAddress)); } InetAddress(const struct sockaddr_storage &ss) { *this = ss; } InetAddress(const struct sockaddr_storage *ss) { *this = ss; } InetAddress(const struct sockaddr &sa) { *this = sa; } @@ -108,28 +108,28 @@ struct InetAddress : public sockaddr_storage inline InetAddress &operator=(const InetAddress &a) { if (&a != this) - memcpy(this,&a,sizeof(InetAddress)); + ZT_FAST_MEMCPY(this,&a,sizeof(InetAddress)); return *this; } inline InetAddress &operator=(const InetAddress *a) { if (a != this) - memcpy(this,a,sizeof(InetAddress)); + ZT_FAST_MEMCPY(this,a,sizeof(InetAddress)); return *this; } inline InetAddress &operator=(const struct sockaddr_storage &ss) { if (reinterpret_cast(&ss) != this) - memcpy(this,&ss,sizeof(InetAddress)); + ZT_FAST_MEMCPY(this,&ss,sizeof(InetAddress)); return *this; } inline InetAddress &operator=(const struct sockaddr_storage *ss) { if (reinterpret_cast(ss) != this) - memcpy(this,ss,sizeof(InetAddress)); + ZT_FAST_MEMCPY(this,ss,sizeof(InetAddress)); return *this; } @@ -137,7 +137,7 @@ struct InetAddress : public sockaddr_storage { if (reinterpret_cast(&sa) != this) { memset(this,0,sizeof(InetAddress)); - memcpy(this,&sa,sizeof(struct sockaddr_in)); + ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in)); } return *this; } @@ -146,7 +146,7 @@ struct InetAddress : public sockaddr_storage { if (reinterpret_cast(sa) != this) { memset(this,0,sizeof(InetAddress)); - memcpy(this,sa,sizeof(struct sockaddr_in)); + ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in)); } return *this; } @@ -155,7 +155,7 @@ struct InetAddress : public sockaddr_storage { if (reinterpret_cast(&sa) != this) { memset(this,0,sizeof(InetAddress)); - memcpy(this,&sa,sizeof(struct sockaddr_in6)); + ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in6)); } return *this; } @@ -164,7 +164,7 @@ struct InetAddress : public sockaddr_storage { if (reinterpret_cast(sa) != this) { memset(this,0,sizeof(InetAddress)); - memcpy(this,sa,sizeof(struct sockaddr_in6)); + ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in6)); } return *this; } @@ -175,10 +175,10 @@ struct InetAddress : public sockaddr_storage memset(this,0,sizeof(InetAddress)); switch(sa.sa_family) { case AF_INET: - memcpy(this,&sa,sizeof(struct sockaddr_in)); + ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in)); break; case AF_INET6: - memcpy(this,&sa,sizeof(struct sockaddr_in6)); + ZT_FAST_MEMCPY(this,&sa,sizeof(struct sockaddr_in6)); break; } } @@ -191,10 +191,10 @@ struct InetAddress : public sockaddr_storage memset(this,0,sizeof(InetAddress)); switch(sa->sa_family) { case AF_INET: - memcpy(this,sa,sizeof(struct sockaddr_in)); + ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in)); break; case AF_INET6: - memcpy(this,sa,sizeof(struct sockaddr_in6)); + ZT_FAST_MEMCPY(this,sa,sizeof(struct sockaddr_in6)); break; } } @@ -388,7 +388,7 @@ struct InetAddress : public sockaddr_storage break; case AF_INET6: r.ss_family = AF_INET6; - memcpy(reinterpret_cast(&r)->sin6_addr.s6_addr,reinterpret_cast(this)->sin6_addr.s6_addr,16); + ZT_FAST_MEMCPY(reinterpret_cast(&r)->sin6_addr.s6_addr,reinterpret_cast(this)->sin6_addr.s6_addr,16); break; } return r; @@ -537,12 +537,12 @@ struct InetAddress : public sockaddr_storage return (unsigned int)(b.template at(p) + 3); // other addresses begin with 16-bit non-inclusive length case 0x04: ss_family = AF_INET; - memcpy(&(reinterpret_cast(this)->sin_addr.s_addr),b.field(p,4),4); p += 4; + ZT_FAST_MEMCPY(&(reinterpret_cast(this)->sin_addr.s_addr),b.field(p,4),4); p += 4; reinterpret_cast(this)->sin_port = Utils::hton(b.template at(p)); p += 2; break; case 0x06: ss_family = AF_INET6; - memcpy(reinterpret_cast(this)->sin6_addr.s6_addr,b.field(p,16),16); p += 16; + ZT_FAST_MEMCPY(reinterpret_cast(this)->sin6_addr.s6_addr,b.field(p,16),16); p += 16; reinterpret_cast(this)->sin_port = Utils::hton(b.template at(p)); p += 2; break; default: -- cgit v1.2.3