boinc/sched/sched_version.cpp

526 lines
18 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#include "boinc_db.h"
#include "sched_main.h"
#include "sched_msgs.h"
#include "sched_config.h"
#include "sched_customize.h"
#include "sched_types.h"
#include "sched_util.h"
#include "credit.h"
#include "sched_version.h"
inline void dont_need_message(
const char* p, APP_VERSION* avp, CLIENT_APP_VERSION* cavp
) {
if (!config.debug_version_select) return;
if (avp) {
APP* app = ssp->lookup_app(avp->appid);
log_messages.printf(MSG_NORMAL,
"[version] Don't need %s jobs, skipping version %d for %s (%s)\n",
p, avp->version_num, app->name, avp->plan_class
);
} else if (cavp) {
log_messages.printf(MSG_NORMAL,
"[version] Don't need %s jobs, skipping anonymous version %d for %s (%s)\n",
p, cavp->version_num, cavp->app_name, cavp->plan_class
);
}
}
// for new-style requests, check that the app version uses a
// resource for which we need work
//
bool need_this_resource(
HOST_USAGE& host_usage, APP_VERSION* avp, CLIENT_APP_VERSION* cavp
) {
if (g_wreq->rsc_spec_request) {
if (host_usage.ncudas) {
if (!g_wreq->need_cuda()) {
dont_need_message("CUDA", avp, cavp);
return false;
}
} else if (host_usage.natis) {
if (!g_wreq->need_ati()) {
dont_need_message("ATI", avp, cavp);
return false;
}
} else {
if (!g_wreq->need_cpu()) {
dont_need_message("CPU", avp, cavp);
return false;;
}
}
}
return true;
}
static DB_HOST_APP_VERSION* lookup_host_app_version(int gavid) {
for (unsigned int i=0; i<g_wreq->host_app_versions.size(); i++) {
DB_HOST_APP_VERSION& hav = g_wreq->host_app_versions[i];
if (hav.reliable) return &hav;
}
return NULL;
}
static inline bool app_version_is_trusted(int gavid) {
DB_HOST_APP_VERSION* havp = lookup_host_app_version(gavid);
if (!havp) return false;
return havp->trusted;
}
static inline bool app_version_is_reliable(int gavid) {
DB_HOST_APP_VERSION* havp = lookup_host_app_version(gavid);
if (!havp) return false;
return havp->reliable;
}
inline int host_usage_to_gavid(HOST_USAGE& hu, APP& app) {
return app.id*1000000 - hu.resource_type();
}
inline bool daily_quota_exceeded(int gavid) {
DB_HOST_APP_VERSION* havp = lookup_host_app_version(gavid);
if (!havp) return false;
if (havp->n_jobs_today >= havp->max_jobs_per_day) {
havp->daily_quota_exceeded = true;
return true;
}
return false;
}
// scan through client's anonymous apps and pick the best one
//
CLIENT_APP_VERSION* get_app_version_anonymous(APP& app, bool reliable_only) {
unsigned int i;
CLIENT_APP_VERSION* best = NULL;
bool found = false;
char message[256];
for (i=0; i<g_request->client_app_versions.size(); i++) {
CLIENT_APP_VERSION& cav = g_request->client_app_versions[i];
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[version] get_app_version_anonymous: %s %d\n",
cav.app_name, cav.version_num
);
}
if (cav.app->id != app.id) {
continue;
}
int gavid = host_usage_to_gavid(cav.host_usage, app);
if (reliable_only && !app_version_is_reliable(gavid)) {
log_messages.printf(MSG_NORMAL, "[version] not reliable\n");
continue;
}
if (daily_quota_exceeded(gavid)) {
log_messages.printf(MSG_NORMAL, "[version] daily quota exceeded\n");
continue;
}
if (cav.version_num < app.min_version) {
log_messages.printf(MSG_NORMAL, "[version] bad version\n");
continue;
}
found = true;
if (!need_this_resource(cav.host_usage, NULL, &cav)) {
log_messages.printf(MSG_NORMAL, "[version] don't need resource\n");
continue;
}
if (best) {
if (cav.host_usage.projected_flops > best->host_usage.projected_flops) {
best = &cav;
}
} else {
best = &cav;
}
}
if (!best) {
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] Didn't find anonymous platform app for %s\n",
app.name
);
}
}
if (!found) {
sprintf(message,
"Your app_info.xml file doesn't have a version of %s.",
app.user_friendly_name
);
add_no_work_message(message);
}
return best;
}
// called at start of send_work().
// Estimate FLOPS of anon platform versions,
// and compute scaling factor for wu.rsc_fpops
//
void estimate_flops_anon_platform() {
unsigned int i;
for (i=0; i<g_request->client_app_versions.size(); i++) {
CLIENT_APP_VERSION& cav = g_request->client_app_versions[i];
cav.rsc_fpops_scale = 1;
if (cav.host_usage.avg_ncpus == 0 && cav.host_usage.ncudas == 0 && cav.host_usage.natis == 0) {
cav.host_usage.avg_ncpus = 1;
}
// current clients fill in host_usage.flops with peak FLOPS
// if it's missing from app_info.xml;
// however, for older clients, we need to fill it in ourselves;
// assume it uses 1 CPU
//
if (cav.host_usage.projected_flops == 0) {
cav.host_usage.projected_flops = g_reply->host.p_fpops;
}
// At this point host_usage.projected_flops is filled in with something.
// See if we have a better estimated based on history
//
DB_HOST_APP_VERSION* havp = gavid_to_havp(
generalized_app_version_id(
cav.host_usage.resource_type(), cav.app->id
)
);
if (havp && havp->et.n > MIN_HOST_SAMPLES) {
double new_flops = 1./havp->et.get_avg();
cav.rsc_fpops_scale = cav.host_usage.projected_flops/new_flops;
cav.host_usage.projected_flops = new_flops;
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] %s (%s) setting projected flops to %fG based on ET\n",
cav.app_name, cav.plan_class, new_flops/1e9
);
}
} else {
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] %s (%s) using client-supplied flops %fG\n",
cav.app_name, cav.plan_class, cav.host_usage.projected_flops
);
}
}
}
}
// if we have enough statistics to estimate the app version's
// actual FLOPS on this host, do so.
//
void estimate_flops(HOST_USAGE& hu, APP_VERSION& av) {
DB_HOST_APP_VERSION* havp = gavid_to_havp(av.id);
if (havp && havp->et.n > MIN_HOST_SAMPLES) {
double new_flops = 1./havp->et.get_avg();
hu.projected_flops = new_flops;
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] [AV#%d] setting projected flops based on host elapsed time avg: %.2fG\n",
av.id, hu.projected_flops/1e9
);
}
} else {
if (av.pfc_scale) {
hu.projected_flops *= av.pfc_scale;
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] [AV#%d] adjusting projected flops based on PFC scale: %.2fG\n",
av.id, hu.projected_flops/1e9
);
}
} else {
if (config.debug_send) {
log_messages.printf(MSG_NORMAL,
"[send] [AV#%d] using projected flops: %.2fG\n",
av.id, hu.projected_flops/1e9
);
}
}
}
}
// return BEST_APP_VERSION for the given host, or NULL if none
//
// check_req: check whether we still need work for the resource
// reliable_only: use only versions for which this host is "reliable"
//
BEST_APP_VERSION* get_app_version(
WORKUNIT& wu, bool check_req, bool reliable_only
) {
bool found;
unsigned int i;
int retval, j;
char message[256], buf[256];
// see if app is already in memoized array
//
std::vector<BEST_APP_VERSION>::iterator bavi;
bavi = g_wreq->best_app_versions.begin();
while (bavi != g_wreq->best_app_versions.end()) {
BEST_APP_VERSION& bav = *bavi;
if (bav.appid == wu.appid) {
if (!bav.present) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] returning cached NULL\n"
);
}
return NULL;
}
// if we previously chose a CUDA app but don't need more CUDA work,
// delete record, fall through, and find another version
//
if (check_req
&& g_wreq->rsc_spec_request
&& bav.host_usage.ncudas > 0
&& !g_wreq->need_cuda()
) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] have CUDA version but no more CUDA work needed\n"
);
}
g_wreq->best_app_versions.erase(bavi);
break;
}
// same, ATI
if (check_req
&& g_wreq->rsc_spec_request
&& bav.host_usage.natis > 0
&& !g_wreq->need_ati()
) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] have ATI version but no more ATI work needed\n"
);
}
g_wreq->best_app_versions.erase(bavi);
break;
}
// same, CPU
//
if (check_req
&& g_wreq->rsc_spec_request
&& !bav.host_usage.ncudas
&& !bav.host_usage.natis
&& !g_wreq->need_cpu()
) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] have CPU version but no more CPU work needed\n"
);
}
g_wreq->best_app_versions.erase(bavi);
break;
}
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] returning cached version\n"
);
}
return &bav;
}
bavi++;
}
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] looking for version\n"
);
}
APP* app = ssp->lookup_app(wu.appid);
if (!app) {
log_messages.printf(MSG_CRITICAL,
"WU refers to nonexistent app: %d\n", wu.appid
);
return NULL;
}
BEST_APP_VERSION bav;
bav.appid = wu.appid;
if (g_wreq->anonymous_platform) {
CLIENT_APP_VERSION* cavp = get_app_version_anonymous(
*app, reliable_only
);
if (!cavp) {
bav.present = false;
} else {
bav.present = true;
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] Found anonymous platform app for %s: plan class %s\n",
app->name, cavp->plan_class
);
}
bav.host_usage = cavp->host_usage;
bav.cavp = cavp;
int gavid = host_usage_to_gavid(cavp->host_usage, *app);
bav.reliable = app_version_is_reliable(gavid);
bav.trusted = app_version_is_trusted(gavid);
}
g_wreq->best_app_versions.push_back(bav);
if (!bav.present) return NULL;
return &(g_wreq->best_app_versions.back());
}
// Go through the client's platforms.
// Scan the app versions for each platform.
// Find the one with highest expected FLOPS
//
bav.host_usage.projected_flops = 0;
bav.avp = NULL;
bool no_version_for_platform = true;
for (i=0; i<g_request->platforms.list.size(); i++) {
PLATFORM* p = g_request->platforms.list[i];
for (j=0; j<ssp->napp_versions; j++) {
HOST_USAGE host_usage;
APP_VERSION& av = ssp->app_versions[j];
if (av.appid != wu.appid) continue;
if (av.platformid != p->id) continue;
no_version_for_platform = false;
if (daily_quota_exceeded(av.id)) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] daily quota exceeded\n"
);
}
}
if (reliable_only && !app_version_is_reliable(av.id)) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL, "[version] not reliable\n");
}
continue;
}
if (g_request->core_client_version < av.min_core_version) {
log_messages.printf(MSG_NORMAL,
"outdated client version %d < min core version %d\n",
g_request->core_client_version, av.min_core_version
);
g_wreq->outdated_client = true;
continue;
}
if (strlen(av.plan_class)) {
if (!g_request->client_cap_plan_class) {
log_messages.printf(MSG_NORMAL,
"client version %d lacks plan class capability\n",
g_request->core_client_version
);
continue;
}
if (!app_plan(*g_request, av.plan_class, host_usage)) {
continue;
}
} else {
host_usage.sequential_app(g_reply->host.p_fpops);
}
// skip versions for resources we don't need
//
if (!need_this_resource(host_usage, &av, NULL)) {
continue;
}
// skip versions that go against resource prefs
//
if (host_usage.ncudas && g_wreq->no_cuda) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] Skipping CUDA version - user prefs say no CUDA\n"
);
g_wreq->no_cuda_prefs = true;
}
continue;
}
if (host_usage.natis && g_wreq->no_ati) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] Skipping ATI version - user prefs say no ATI\n"
);
g_wreq->no_ati_prefs = true;
}
continue;
}
if (!(host_usage.ncudas || host_usage.natis) && g_wreq->no_cpu) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] Skipping CPU version - user prefs say no CPUs\n"
);
g_wreq->no_cpu_prefs = true;
}
continue;
}
estimate_flops(host_usage, av);
// pick the fastest version
//
if (host_usage.projected_flops > bav.host_usage.projected_flops) {
bav.host_usage = host_usage;
bav.avp = &av;
bav.reliable = app_version_is_reliable(av.id);
bav.trusted = app_version_is_trusted(av.id);
}
}
}
if (bav.avp) {
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] Best version of app %s is ID %d (%.2f GFLOPS)\n",
app->name, bav.avp->id, bav.host_usage.projected_flops/1e9
);
}
bav.present = true;
g_wreq->best_app_versions.push_back(bav);
} else {
// Here if there's no app version we can use.
//
if (config.debug_version_select) {
log_messages.printf(MSG_NORMAL,
"[version] returning NULL; platforms:\n"
);
for (i=0; i<g_request->platforms.list.size(); i++) {
PLATFORM* p = g_request->platforms.list[i];
log_messages.printf(MSG_NORMAL,
"[version] no app version available: APP#%d (%s) PLATFORM#%d (%s) min_version %d\n",
app->id, app->name, p->id, p->name, app->min_version
);
}
}
if (no_version_for_platform) {
sprintf(message,
"%s is not available for your type of computer.",
app->user_friendly_name
);
add_no_work_message(message);
}
g_wreq->best_app_versions.push_back(bav);
return NULL;
}
return &(g_wreq->best_app_versions.back());
}