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modminer: Don't delay 2nd+ FPGAs during work restart

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Add primary_thread boolean to threads to identify a single one as the "primary" thread for shared-resource multithreading.
This is needed since ModMiners use multiple threads to interface with independent hashing components.
This commit is contained in:
Luke Dashjr 2012-06-18 05:51:09 +00:00
parent bf3e15838f
commit 1215da39ee
3 changed files with 6 additions and 1 deletions
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4
cgminer.c
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@ -3824,6 +3824,8 @@ void *miner_thread(void *userdata)
const time_t request_interval = opt_scantime * 2 / 3 ? : 1;
unsigned const long request_nonce = MAXTHREADS / 3 * 2;
bool requested = false;
const bool primary = (!mythr->device_thread) || mythr->primary_thread;
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
gettimeofday(&getwork_start, NULL);
@ -3905,7 +3907,7 @@ void *miner_thread(void *userdata)
* starting of every next thread to try and get
* all devices busy before worrying about
* getting work for their extra threads */
if (mythr->device_thread) {
if (!primary) {
struct timespec rgtp;
rgtp.tv_sec = 0;

2
driver-modminer.c
View File

@ -318,6 +318,8 @@ modminer_fpga_init(struct thr_info *thr)
mutex_unlock(&modminer->device_mutex);
thr->primary_thread = true;
return true;
}

1
miner.h
View File

@ -391,6 +391,7 @@ struct thread_q {
struct thr_info {
int id;
int device_thread;
bool primary_thread;
pthread_t pth;
struct thread_q *q;