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added water mark functionality to scheduler 

svn path=/trunk/boinc/; revision=86
This commit is contained in:
Michael Gary 2002-06-04 23:56:07 +00:00
parent 9c60ee2cb3
commit 54c87b5c8c
1 changed files with 27 additions and 3 deletions
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30
sched/handle_request.C
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@ -27,6 +27,9 @@
#include "server_types.h"
#include "handle_request.h"
#define MIN_SECONDS_TO_SEND 3600 //1 hour
#define MAX_SECONDS_TO_SEND 2419200 //4 weeks
// return true if the WU can be executed on the host
//
bool wu_is_feasible(WORKUNIT& wu, HOST& host) {
@ -41,6 +44,17 @@ double estimate_duration(WORKUNIT& wu, HOST& host) {
return wu.rsc_fpops/host.p_fpops + wu.rsc_iops/host.p_iops;
}
// estimate the number of seconds that a WU will take on a host
//
int estimate_seconds(WORKUNIT& wu, HOST& host) {
int calculations, memory_accesses;
calculations = wu.rsc_fpops/host.p_fpops + wu.rsc_iops/host.p_iops;
memory_accesses = wu.rsc_membw/host.p_membw;
if(memory_accesses > calculations)
return memory_accesses;
return calculations;
}
// add the given workunit to a reply.
// look up its app, and make sure there's a version for this platform.
// Add the app and app_version to the reply also.
@ -247,7 +261,7 @@ int handle_results(
int send_work(
SCHEDULER_REQUEST& sreq, SCHEDULER_REPLY& reply, PLATFORM& platform,
HOST& host, SCHED_SHMEM& ss
HOST& host, SCHED_SHMEM& ss, WORKUNIT& wu_sending
) {
int i, retval, nresults = 0;
WORKUNIT wu;
@ -269,6 +283,7 @@ int send_work(
retval = add_wu_to_reply(wu, reply, platform, ss);
if (retval) continue;
reply.insert_result(result);
wu_sending = wu;
nresults++;
result.state = RESULT_STATE_IN_PROGRESS;
@ -326,8 +341,9 @@ void process_request(
HOST host;
USER user;
PLATFORM* platform;
int retval;
int retval, seconds_to_fill;
char buf[256];
WORKUNIT wu;
retval = authenticate_user(sreq, reply, user, host);
if (retval) return;
@ -350,7 +366,15 @@ void process_request(
handle_results(sreq, reply, host);
send_work(sreq, reply, *platform, host, ss);
seconds_to_fill = sreq.work_req_seconds;
if(seconds_to_fill > MAX_SECONDS_TO_SEND)
seconds_to_fill = MAX_SECONDS_TO_SEND;
else if(seconds_to_fill < MIN_SECONDS_TO_SEND)
seconds_to_fill = MIN_SECONDS_TO_SEND;
while(seconds_to_fill > 0) {
send_work(sreq, reply, *platform, host, ss, wu);
seconds_to_fill -= estimate_seconds(wu, host);
}
}
void handle_request(FILE* fin, FILE* fout, SCHED_SHMEM& ss) {