2.4.8-1

Fix #209: improve socket transport performance
  Split transfers over multiple sockets
  Launch multiple threads to drive sockets
  Detect AWS NICs and set nsockets/nthreads accordingly

makefiles/version.mk

@@ -1,6 +1,6 @@
 ##### version
 NCCL_MAJOR   := 2
 NCCL_MINOR   := 4
-NCCL_PATCH   := 7
+NCCL_PATCH   := 8
 NCCL_SUFFIX  :=
 PKG_REVISION := 1