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Improve TCP sockets latency

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This commit is contained in:
Charles Papon 2017-06-10 19:38:42 +02:00
parent 9b9d9e2582
commit cbc770deb3
4 changed files with 41 additions and 24 deletions
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45
src/main/scala/SpinalRiscv/TopLevel.scala
View file

@ -129,28 +129,28 @@ object TopLevel {
// portTlbSize = 4
// )
),
// new DBusSimplePlugin(
// catchAddressMisaligned = true,
// catchAccessFault = true
// ),
new DBusCachedPlugin(
config = new DataCacheConfig(
cacheSize = 4096,
bytePerLine = 32,
wayCount = 1,
addressWidth = 32,
cpuDataWidth = 32,
memDataWidth = 32,
catchAccessError = true,
catchIllegal = true,
catchUnaligned = true,
catchMemoryTranslationMiss = true
),
memoryTranslatorPortConfig = null
// memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
// portTlbSize = 6
// )
new DBusSimplePlugin(
catchAddressMisaligned = true,
catchAccessFault = true
),
// new DBusCachedPlugin(
// config = new DataCacheConfig(
// cacheSize = 4096,
// bytePerLine = 32,
// wayCount = 1,
// addressWidth = 32,
// cpuDataWidth = 32,
// memDataWidth = 32,
// catchAccessError = true,
// catchIllegal = true,
// catchUnaligned = true,
// catchMemoryTranslationMiss = true
// ),
// memoryTranslatorPortConfig = null
//// memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
//// portTlbSize = 6
//// )
// ),
new StaticMemoryTranslatorPlugin(
ioRange = _(31 downto 28) === 0xF
),
@ -191,7 +191,8 @@ object TopLevel {
earlyBranch = false,
catchAddressMisaligned = true,
prediction = DYNAMIC
)
),
new YamlPlugin("cpu0")
)
)

9
src/test/cpp/briey/main.cpp
View file

@ -136,6 +136,7 @@ public:
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <netinet/tcp.h>
/** Returns true on success, or false if there was an error */
bool SetSocketBlockingEnabled(int fd, bool blocking)
@ -183,6 +184,14 @@ public:
// 1) Internet domain 2) Stream socket 3) Default protocol (TCP in this case) //
serverSocket = socket(PF_INET, SOCK_STREAM, 0);
assert(serverSocket != -1);
int flag = 1;
setsockopt( serverSocket, /* socket affected */
IPPROTO_TCP, /* set option at TCP level */
TCP_NODELAY, /* name of option */
(char *) &flag, /* the cast is historical
cruft */
sizeof(int)); /* length of option value */
SetSocketBlockingEnabled(serverSocket,0);

9
src/test/cpp/regression/main.cpp
View file

@ -630,6 +630,7 @@ public:
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <netinet/tcp.h>
/** Returns true on success, or false if there was an error */
bool SetSocketBlockingEnabled(int fd, bool blocking)
@ -671,7 +672,13 @@ public:
serverSocket = socket(PF_INET, SOCK_STREAM, 0);
assert(serverSocket != -1);
SetSocketBlockingEnabled(serverSocket,0);
int flag = 1;
int result = setsockopt(serverSocket, /* socket affected */
IPPROTO_TCP, /* set option at TCP level */
TCP_NODELAY, /* name of option */
(char *) &flag, /* the cast is historical
cruft */
sizeof(int)); /* length of option value */
//---- Configure settings of the server address struct ----//
// Address family = Internet //

2
src/test/cpp/regression/makefile
View file

@ -1,5 +1,5 @@
IBUS=IBUS_CACHED
DBUS=DBUS_CACHED
DBUS=DBUS_SIMPLE
TRACE?=no
TRACE_ACCESS?=no
TRACE_START=0