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client: When available, use total RAM value from CAL for all ATI OpenCL GPUs, not only for the "best" GPU 

svn path=/trunk/boinc/; revision=25319
This commit is contained in:
Charlie Fenton 2012-02-23 00:42:04 +00:00
parent 4a8d57ec95
commit df9357b456
2 changed files with 16 additions and 7 deletions
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8
checkin_notes
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@ -2087,3 +2087,11 @@ Charlie 22 Feb 2012
api/
macglutfix.m
Charlie 22 Feb 2012
- client: When available, use total RAM value from CAL for all ATI
OpenCL GPUs, not only for the "best" GPU, so the descriptions
show this value.
client/
coproc_detect.cpp

15
client/coproc_detect.cpp
View File

@ -433,11 +433,18 @@ strcpy(prop.opencl_driver_version, "CLH 1.0");
#endif
if (ati.have_cal) {
if (prop.device_num < (int)(ati_gpus.size())) {
if (prop.device_num < (int)(ati_gpus.size())) {
// Always use GPU model name from OpenCL if available for ATI / AMD
// GPUs because (we believe) it is more reliable and user-friendly.
// Assumes OpenCL and CAL return the devices in the same order
strcpy(ati_gpus[prop.device_num].name, prop.name);
// Work around a bug in OpenCL which returns only
// 1/2 of total global RAM size: use the value from CAL.
// This bug applies only to ATI GPUs, not to NVIDIA
// See also further workaround code for Macs.
//
prop.global_mem_size = ati_gpus[prop.device_num].attribs.localRAM * MEGA;
} else {
if (log_flags.coproc_debug) {
msg_printf(0, MSG_INFO,
@ -481,12 +488,6 @@ strcpy(prop.opencl_driver_version, "CLH 1.0");
if (ati.have_cal) { // If CAL already found the "best" CAL GPU
ati.merge_opencl(ati_opencls, ignore_ati_dev);
// Work around a bug in OpenCL which returns only
// 1/2 of total global RAM size: use the value from CAL.
// This bug applies only to ATI GPUs, not to NVIDIA
// See also further workaround code for Macs.
//
ati.opencl_prop.global_mem_size = ati.attribs.localRAM * MEGA;
} else {
ati.find_best_opencls(use_all, ati_opencls, ignore_ati_dev);
ati.attribs.localRAM = ati.opencl_prop.global_mem_size/MEGA;