X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/725c769707a505cb0a66620ca7bfce85fe107e8e..c2e921f7dfe65fd24e5e797fcb37cba28401f9f9:/src/surf/surf.c

diff --git a/src/surf/surf.c b/src/surf/surf.c
index 77c0fed961..5e5937ffaf 100644
--- a/src/surf/surf.c
+++ b/src/surf/surf.c
@@ -113,67 +113,80 @@ xbt_dynar_t surf_path = NULL;
 
 /* Don't forget to update the option description in smx_config when you change this */
 s_surf_model_description_t surf_network_model_description[] = {
+  {"LV08",
+   "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ",
+   surf_network_model_init_LegrandVelho},
   {"Constant",
-   "Simplistic network model where all communication take a constant time (one second)",
+   "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
    surf_network_model_init_Constant},
-  {"CM02",
-   "Realistic network model with lmm_solve and no correction factors",
-   surf_network_model_init_CM02},
-  {"LV08",
-   "Realistic network model with lmm_solve, adequate correction factors (latency*=10.4, bandwidth*=.92, S=8775) and partial invalidation optimization",
-   im_surf_network_model_init_LegrandVelho},
-   {"LV08_fullupdate",
-    "Realistic network model wit lmm_solve, adequate correction factors (latency*=10.4, bandwidth*=.92, S=8775) but no further optimization. Should produce the same results as LV08, only slower.",
-   im_surf_network_model_init_LegrandVelho},
   {"SMPI",
-   "Realistic network model with lmm_solve and correction factors on three intervals (< 1KiB, < 64 KiB, >= 64 KiB)",
+   "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
    surf_network_model_init_SMPI},
+  {"CM02",
+   "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
+   surf_network_model_init_CM02},
 #ifdef HAVE_GTNETS
   {"GTNets",
-   "Network Pseudo-model using the GTNets simulator instead of an analytic model",
+   "Network pseudo-model using the GTNets simulator instead of an analytic model",
    surf_network_model_init_GTNETS},
 #endif
 #ifdef HAVE_NS3
   {"NS3",
-   "Use NS3 tcp model",
+   "Network pseudo-model using the NS3 tcp model instead of an analytic model",
 	surf_network_model_init_NS3},
 #endif
   {"Reno",
-   "Model using lagrange_solve instead of lmm_solve (experts only)",
+   "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
    surf_network_model_init_Reno},
   {"Reno2",
-   "Model using lagrange_solve instead of lmm_solve (experts only)",
+   "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
    surf_network_model_init_Reno2},
   {"Vegas",
-   "Model using lagrange_solve instead of lmm_solve (experts only)",
+   "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
    surf_network_model_init_Vegas},
   {NULL, NULL, NULL}      /* this array must be NULL terminated */
 };
 
 s_surf_model_description_t surf_cpu_model_description[] = {
-  {"Cas01_fullupdate", "CPU classical model time=size/power",
-   surf_cpu_model_init_Cas01_im},
+  {"Cas01_fullupdate", "CPU classical model time=size/power (Cas01). [Deprecated. Use Cas01 with option --cfg=cpu/optim:Full. The Full option updates all actions at every step, which may be useful for debug.]",
+   surf_cpu_model_init_Cas01},
   {"Cas01",
-   "Variation of Cas01_fullupdate with partial invalidation optimization of lmm system. Should produce the same values, only faster",
-   surf_cpu_model_init_Cas01_im},
+   "Simplistic CPU model (time=size/power).",
+   surf_cpu_model_init_Cas01},
   {"CpuTI",
-   "Variation of Cas01 with also trace integration. Should produce the same values, only faster if you use availability traces",
+   "CPU classical model time=size/power (Cas01). [Deprecated. Use Cas01 with option --cfg=cpu/optim:TI. The TI optimization is highly optimized when using traces]",
    surf_cpu_model_init_ti},
   {NULL, NULL,  NULL}      /* this array must be NULL terminated */
 };
 
 s_surf_model_description_t surf_workstation_model_description[] = {
+  {"current_default",
+   "Curent default workstation model (may change with versions of SimGrid). Currently Cas01 and LV08 (with full duplex support) as CPU and Network",
+   surf_workstation_model_init_current_default},
   {"CLM03",
-   "Default workstation model, using LV08 and CM02 as network and CPU",
+   "Default workstation model, using Cas01 and CM02 as CPU and Network",
    surf_workstation_model_init_CLM03},
   {"compound",
-   "Workstation model allowing you to use other network and CPU models",
+   "Workstation model that is automatically chosen if you change the network and CPU models",
    surf_workstation_model_init_compound},
-  {"ptask_L07", "Workstation model with better parallel task modeling",
+  {"ptask_L07", "Workstation model somehow similar to Cas01+CM02 but allowing parallel tasks",
    surf_workstation_model_init_ptask_L07},
   {NULL, NULL, NULL}      /* this array must be NULL terminated */
 };
 
+s_surf_model_description_t surf_optimization_mode_description[] = {
+  {"Lazy",
+   "Lazy action management (partial invalidation in lmm + heap in action remaining).",
+   NULL},
+  {"TI",
+   "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
+    NULL},
+  {"Full",
+   "Full update of remaining and variables. Slow but may be useful when debugging.",
+   NULL},
+  {NULL, NULL, NULL}      /* this array must be NULL terminated */
+};
+
 /** Displays the long description of all registered models, and quit */
 void model_help(const char *category, s_surf_model_description_t * table)
 {