Changeset 2539

Timestamp:

07/26/23 13:15:40 (10 months ago)

Author:

jderouillat

Message:

Set an incremental latency in window access of the legacy protocol (read operations)

Location:

XIOS3/branches/xios-3.0-beta/src

Files:

• buffer_server.cpp (modified) (2 diffs)
• buffer_server.hpp (modified) (1 diff)

XIOS3/branches/xios-3.0-beta/src/buffer_server.cpp

@@ -234 +234 @@
     if (time-bufferFromClientTime_ < bufferFromClientLatency_ ) return false;
     bufferFromClientTime_ = time ;
+    if ( bufferFromClientLatency_ < LATENCY_MAX ) bufferFromClientLatency_ *= 2; // Done to reduce pressure on windows access if not necessary (especially for read on JZ, ex : transect)
     CTimer::get("getBufferFromClient").resume() ;   
     size_t clientTimeline ;
@@ -255 +256 @@
     if (timeLine==clientTimeline)
     {
+      bufferFromClientLatency_ = LATENCY_DEFAULT; // Reset latency if windows access is used
       buffer=(char*)getBuffer(clientCount) ;
       count=clientCount ;

XIOS3/branches/xios-3.0-beta/src/buffer_server.hpp

@@ -43 +43 @@
       bool hasWindows ;
       int windowsRank_ ;
-      double bufferFromClientLatency_=1e-1 ;
+      const double LATENCY_DEFAULT=1e-1 ;
+      const double LATENCY_MAX=1. ;
+      double bufferFromClientLatency_=LATENCY_DEFAULT ;
       double bufferFromClientTime_ = 0;