static int inner_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos){
FLOAT *buffer[DIVIDE_RATE];
BLASLONG k, lda, ldb, ldc;
BLASLONG m_from, m_to, n_from, n_to, N_from, N_to;
FLOAT *alpha, *beta;
FLOAT *a, *b, *c;
job_t *job = (job_t *)args -> common;
BLASLONG xxx, bufferside;
BLASLONG ls, min_l, jjs, min_jj;
BLASLONG is, min_i, div_n;
BLASLONG i, current;
BLASLONG l1stride, l2size;
#ifdef TIMING
BLASULONG rpcc_counter;
BLASULONG copy_A = 0;
BLASULONG copy_B = 0;
BLASULONG kernel = 0;
BLASULONG waiting1 = 0;
BLASULONG waiting2 = 0;
BLASULONG waiting3 = 0;
BLASULONG waiting6[MAX_CPU_NUMBER];
BLASULONG ops = 0;
for (i = 0; i < args -> nthreads; i++) waiting6[i] = 0;
#endif
k = K;
a = (FLOAT *)A;
b = (FLOAT *)B;
c = (FLOAT *)C;
lda = LDA;
ldb = LDB;
ldc = LDC;
alpha = (FLOAT *)args -> alpha;
beta = (FLOAT *)args -> beta;
m_from = 0;
m_to = M;
if (range_m) {
m_from = range_m[0];
m_to = range_m[1];
}
n_from = 0;
n_to = N;
N_from = 0;
N_to = N;
if (range_n) {
n_from = range_n[mypos + 0];
n_to = range_n[mypos + 1];
N_from = range_n[0];
N_to = range_n[args -> nthreads];
}
if (beta) {
#ifndef COMPLEX
if (beta[0] != ONE)
#else
if ((beta[0] != ONE) || (beta[1] != ZERO))
#endif
BETA_OPERATION(m_from, m_to, N_from, N_to, beta, c, ldc);
}
if ((k == 0) || (alpha == NULL)) return 0;
if ((alpha[0] == ZERO)
#ifdef COMPLEX
&& (alpha[1] == ZERO)
#endif
) return 0;
l2size = GEMM_P * GEMM_Q;
#if 0
fprintf(stderr, "Thread[%ld] m_from : %ld m_to : %ld n_from : %ld n_to : %ld N_from : %ld N_to : %ld\n",
mypos, m_from, m_to, n_from, n_to, N_from, N_to);
fprintf(stderr, "GEMM: P = %4ld Q = %4ld R = %4ld\n", (BLASLONG)GEMM_P, (BLASLONG)GEMM_Q, (BLASLONG)GEMM_R);
#endif
div_n = (n_to - n_from + DIVIDE_RATE - 1) / DIVIDE_RATE;
buffer[0] = sb;
for (i = 1; i < DIVIDE_RATE; i++) {
buffer[i] = buffer[i - 1] + GEMM_Q * ((div_n + GEMM_UNROLL_N - 1) & ~(GEMM_UNROLL_N - 1)) * COMPSIZE;
}
for(ls = 0; ls < k; ls += min_l){
min_l = k - ls;
if (min_l >= GEMM_Q * 2) {
min_l = GEMM_Q;
} else {
if (min_l > GEMM_Q) min_l = (min_l + 1) / 2;
}
l1stride = 1;
min_i = m_to - m_from;
if (min_i >= GEMM_P * 2) {
min_i = GEMM_P;
} else {
if (min_i > GEMM_P) {
min_i = (min_i / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
} else {
if (args -> nthreads == 1) l1stride = 0;
}
}
START_RPCC();
ICOPY_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(copy_A);
div_n = (n_to - n_from + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = n_from, bufferside = 0; xxx < n_to; xxx += div_n, bufferside ++) {
START_RPCC();
/* Make sure if no one is using buffer */
for (i = 0; i < args -> nthreads; i++)
while (job[mypos].working[i][CACHE_LINE_SIZE * bufferside]) {YIELDING;};
STOP_RPCC(waiting1);
#if defined(FUSED_GEMM) && !defined(TIMING)
FUSED_KERNEL_OPERATION(min_i, MIN(n_to, xxx + div_n) - xxx, min_l, alpha,
sa, buffer[bufferside], b, ldb, c, ldc, m_from, xxx, ls);
#else
for(jjs = xxx; jjs < MIN(n_to, xxx + div_n); jjs += min_jj){
min_jj = MIN(n_to, xxx + div_n) - jjs;
if (min_jj > GEMM_UNROLL_N) min_jj = GEMM_UNROLL_N;
START_RPCC();
OCOPY_OPERATION(min_l, min_jj, b, ldb, ls, jjs,
buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE * l1stride);
STOP_RPCC(copy_B);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, alpha,
sa, buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE * l1stride,
c, ldc, m_from, jjs);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * min_jj * min_l;
#endif
}
#endif
for (i = 0; i < args -> nthreads; i++) job[mypos].working[i][CACHE_LINE_SIZE * bufferside] = (BLASLONG)buffer[bufferside];
WMB;
}
current = mypos;
do {
current ++;
if (current >= args -> nthreads) current = 0;
div_n = (range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++) {
if (current != mypos) {
START_RPCC();
/* thread has to wait */
while(job[current].working[mypos][CACHE_LINE_SIZE * bufferside] == 0) {YIELDING;};
STOP_RPCC(waiting2);
START_RPCC();
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha,
sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
c, ldc, m_from, xxx);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
}
if (m_to - m_from == min_i) {
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
}
}
} while (current != mypos);
for(is = m_from + min_i; is < m_to; is += min_i){
min_i = m_to - is;
if (min_i >= GEMM_P * 2) {
min_i = GEMM_P;
} else
if (min_i > GEMM_P) {
min_i = ((min_i + 1) / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
}
START_RPCC();
ICOPY_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(copy_A);
current = mypos;
do {
div_n = (range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++) {
START_RPCC();
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha,
sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
c, ldc, is, xxx);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
if (is + min_i >= m_to) {
/* Thread doesn't need this buffer any more */
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
WMB;
}
}
current ++;
if (current >= args -> nthreads) current = 0;
} while (current != mypos);
}
}
START_RPCC();
for (i = 0; i < args -> nthreads; i++) {
for (xxx = 0; xxx < DIVIDE_RATE; xxx++) {
while (job[mypos].working[i][CACHE_LINE_SIZE * xxx] ) {YIELDING;};
}
}
STOP_RPCC(waiting3);
#ifdef TIMING
BLASLONG waiting = waiting1 + waiting2 + waiting3;
BLASLONG total = copy_A + copy_B + kernel + waiting;
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2f Copy_B : %6.2f Wait1 : %6.2f Wait2 : %6.2f Wait3 : %6.2f Kernel : %6.2f",
mypos, (double)copy_A /(double)total * 100., (double)copy_B /(double)total * 100.,
(double)waiting1 /(double)total * 100.,
(double)waiting2 /(double)total * 100.,
(double)waiting3 /(double)total * 100.,
(double)ops/(double)kernel / 4. * 100.);
#if 0
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2ld Copy_B : %6.2ld Wait : %6.2ld\n",
mypos, copy_A, copy_B, waiting);
fprintf(stderr, "Waiting[%2ld] %6.2f %6.2f %6.2f\n",
mypos,
(double)waiting1/(double)waiting * 100.,
(double)waiting2/(double)waiting * 100.,
(double)waiting3/(double)waiting * 100.);
#endif
fprintf(stderr, "\n");
#endif
return 0;
}
int CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n,
FLOAT *sa, FLOAT *sb, BLASLONG dummy){
BLASLONG k, lda, ldb, ldc;
FLOAT *alpha, *beta;
FLOAT *a, *b, *c;
BLASLONG m_from, m_to, n_from, n_to;
BLASLONG ls, is, js, jjs;
BLASLONG min_l, min_i, min_j, min_jj;
#ifdef TIMING
BLASULONG rpcc_counter;
BLASULONG BLASLONG innercost = 0;
BLASULONG BLASLONG outercost = 0;
BLASULONG BLASLONG kernelcost = 0;
double total;
#endif
k = K;
a = (FLOAT *)A;
b = (FLOAT *)B;
c = (FLOAT *)C;
lda = LDA;
ldb = LDB;
ldc = LDC;
alpha = (FLOAT *)args -> alpha;
beta = (FLOAT *)args -> beta;
m_from = 0;
m_to = M;
if (range_m) {
m_from = *(((BLASLONG *)range_m) + 0);
m_to = *(((BLASLONG *)range_m) + 1);
}
n_from = 0;
n_to = N;
if (range_n) {
n_from = *(((BLASLONG *)range_n) + 0);
n_to = *(((BLASLONG *)range_n) + 1);
}
if (beta) {
#ifndef COMPLEX
if (beta[0] != ONE)
#else
if ((beta[0] != ONE) || (beta[1] != ZERO))
#endif
BETA_OPERATION(m_from, m_to, n_from, n_to, beta, c, ldc);
}
if ((k == 0) || (alpha == NULL)) return 0;
if ((alpha[0] == ZERO)
#ifdef COMPLEX
&& (alpha[1] == ZERO)
#endif
) return 0;
#if 0
printf("GEMM: M_from : %ld M_to : %ld N_from : %ld N_to : %ld k : %ld\n", m_from, m_to, n_from, n_to, k);
printf("GEMM: P = %4ld Q = %4ld R = %4ld\n", (BLASLONG)GEMM3M_P, (BLASLONG)GEMM3M_Q, (BLASLONG)GEMM3M_R);
printf("GEMM: SA .. %p SB .. %p\n", sa, sb);
#endif
#ifdef DEBUG
innercost = 0;
outercost = 0;
kernelcost = 0;
#endif
for(js = n_from; js < n_to; js += GEMM3M_R){
min_j = n_to - js;
if (min_j > GEMM3M_R) min_j = GEMM3M_R;
for(ls = 0; ls < k; ls += min_l){
min_l = k - ls;
if (min_l >= GEMM3M_Q * 2) {
min_l = GEMM3M_Q;
} else {
if (min_l > GEMM3M_Q) {
min_l = (min_l + 1) / 2;
#ifdef UNROLL_X
min_l = (min_l + UNROLL_X - 1) & ~(UNROLL_X - 1);
#endif
}
}
min_i = m_to - m_from;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else {
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
}
START_RPCC();
ICOPYB_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(innercost);
for(jjs = js; jjs < js + min_j; jjs += min_jj){
min_jj = min_j + js - jjs;
if (min_jj > GEMM3M_UNROLL_N) min_jj = GEMM3M_UNROLL_N;
START_RPCC();
#if defined(NN) || defined(NT) || defined(TN) || defined(TT) || defined(RN) || defined(RT) || defined(CN) || defined(CT)
OCOPYB_OPERATION(min_l, min_jj, b, ldb, alpha[0], alpha[1], ls, jjs, sb + min_l * (jjs - js));
#else
OCOPYB_OPERATION(min_l, min_jj, b, ldb, alpha[0], -alpha[1], ls, jjs, sb + min_l * (jjs - js));
#endif
STOP_RPCC(outercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, ALPHA5, ALPHA6,
sa, sb + min_l * (jjs - js), c, ldc, m_from, jjs);
STOP_RPCC(kernelcost);
}
for(is = m_from + min_i; is < m_to; is += min_i){
min_i = m_to - is;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
START_RPCC();
ICOPYB_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(innercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_j, min_l, ALPHA5, ALPHA6, sa, sb, c, ldc, is, js);
STOP_RPCC(kernelcost);
}
min_i = m_to - m_from;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else {
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
}
START_RPCC();
ICOPYR_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(innercost);
for(jjs = js; jjs < js + min_j; jjs += min_jj){
min_jj = min_j + js - jjs;
if (min_jj > GEMM3M_UNROLL_N) min_jj = GEMM3M_UNROLL_N;
START_RPCC();
#if defined(NN) || defined(NT) || defined(TN) || defined(TT)
OCOPYR_OPERATION(min_l, min_jj, b, ldb, alpha[0], alpha[1], ls, jjs, sb + min_l * (jjs - js));
#elif defined(RR) || defined(RC) || defined(CR) || defined(CC)
OCOPYR_OPERATION(min_l, min_jj, b, ldb, alpha[0], -alpha[1], ls, jjs, sb + min_l * (jjs - js));
#elif defined(RN) || defined(RT) || defined(CN) || defined(CT)
OCOPYI_OPERATION(min_l, min_jj, b, ldb, alpha[0], alpha[1], ls, jjs, sb + min_l * (jjs - js));
#else
OCOPYI_OPERATION(min_l, min_jj, b, ldb, alpha[0], -alpha[1], ls, jjs, sb + min_l * (jjs - js));
#endif
STOP_RPCC(outercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, ALPHA11, ALPHA12,
sa, sb + min_l * (jjs - js), c, ldc, m_from, jjs);
STOP_RPCC(kernelcost);
}
for(is = m_from + min_i; is < m_to; is += min_i){
min_i = m_to - is;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
START_RPCC();
ICOPYR_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(innercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_j, min_l, ALPHA11, ALPHA12, sa, sb, c, ldc, is, js);
STOP_RPCC(kernelcost);
}
min_i = m_to - m_from;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else {
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
}
START_RPCC();
ICOPYI_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(innercost);
for(jjs = js; jjs < js + min_j; jjs += min_jj){
min_jj = min_j + js - jjs;
if (min_jj > GEMM3M_UNROLL_N) min_jj = GEMM3M_UNROLL_N;
START_RPCC();
#if defined(NN) || defined(NT) || defined(TN) || defined(TT)
OCOPYI_OPERATION(min_l, min_jj, b, ldb, alpha[0], alpha[1], ls, jjs, sb + min_l * (jjs - js));
#elif defined(RR) || defined(RC) || defined(CR) || defined(CC)
OCOPYI_OPERATION(min_l, min_jj, b, ldb, alpha[0], -alpha[1], ls, jjs, sb + min_l * (jjs - js));
#elif defined(RN) || defined(RT) || defined(CN) || defined(CT)
OCOPYR_OPERATION(min_l, min_jj, b, ldb, alpha[0], alpha[1], ls, jjs, sb + min_l * (jjs - js));
#else
OCOPYR_OPERATION(min_l, min_jj, b, ldb, alpha[0], -alpha[1], ls, jjs, sb + min_l * (jjs - js));
#endif
STOP_RPCC(outercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, ALPHA17, ALPHA18,
sa, sb + min_l * (jjs - js), c, ldc, m_from, jjs);
STOP_RPCC(kernelcost);
}
for(is = m_from + min_i; is < m_to; is += min_i){
min_i = m_to - is;
if (min_i >= GEMM3M_P * 2) {
min_i = GEMM3M_P;
} else
if (min_i > GEMM3M_P) {
min_i = (min_i / 2 + GEMM3M_UNROLL_M - 1) & ~(GEMM3M_UNROLL_M - 1);
}
START_RPCC();
ICOPYI_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(innercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_j, min_l, ALPHA17, ALPHA18, sa, sb, c, ldc, is, js);
STOP_RPCC(kernelcost);
}
} /* end of js */
} /* end of ls */
#ifdef TIMING
total = (double)outercost + (double)innercost + (double)kernelcost;
printf( "Copy A : %5.2f Copy B: %5.2f Kernel : %5.2f\n",
innercost / total * 100., outercost / total * 100.,
kernelcost / total * 100.);
printf( " Total %10.3f%% %10.3f MFlops\n",
((double)(m_to - m_from) * (double)(n_to - n_from) * (double)k) / (double)kernelcost / 2 * 100,
2400. * (2. * (double)(m_to - m_from) * (double)(n_to - n_from) * (double)k) / (double)kernelcost);
#endif
return 0;
}
static int gemm_single(int mypos, struct sgemmargs *args)
{
long m_from, m_to, n_from, n_to;
long ls, is, js;
long min_l, min_i, min_j;
long jjs, min_jj;
float *sa = saa[mypos];
float *sb = sba[mypos];
long l1stride, gemm_p, l2size;
char transa = args->transa;
long m = args->m;
long n = args->n;
long k = args->k;
float alpha = args->alpha;
float beta = args->beta;
float *a = args->a;
float *b = args->b;
float *c = args->c;
long lda = args->lda;
long ldb = args->ldb;
long ldc = args->ldc;
#ifdef TIMING
unsigned long long rpcc_counter;
unsigned long long innercost = 0;
unsigned long long outercost = 0;
unsigned long long kernelcost = 0;
double total;
#endif
m_from = 0;
m_to = m;
n_from = 0;
n_to = n;
if (beta != 1)
BETA_OPERATION(m_from, m_to, n_from, n_to, beta, c, ldc);
if((k == 0) || (alpha == 0))
return 0;
l2size = GEMM_P * GEMM_Q;
#if 0
fprintf(stderr, "GEMM(Single): M_from : %ld M_to : %ld N_from : %ld N_to : %ld k : %ld\n", m_from, m_to, n_from, n_to, k);
fprintf(stderr, "GEMM(Single):: P = %4ld Q = %4ld R = %4ld\n", (long)GEMM_P, (long)GEMM_Q, (long)GEMM_R);
// fprintf(stderr, "GEMM: SA .. %p SB .. %p\n", sa, sb);
// fprintf(stderr, "A = %p B = %p C = %p\n\tlda = %ld ldb = %ld ldc = %ld\n", a, b, c, lda, ldb, ldc);
#endif
#ifdef TIMING
innercost = 0;
outercost = 0;
kernelcost = 0;
#endif
for(js = n_from; js < n_to; js += GEMM_R)
{
min_j = n_to - js;
if (min_j > GEMM_R)
min_j = GEMM_R;
for(ls = 0; ls < k; ls += min_l)
{
min_l = k - ls;
if(min_l >= GEMM_Q * 2)
{
gemm_p = GEMM_P;
min_l = GEMM_Q;
} else {
if(min_l > GEMM_Q)
min_l = (min_l / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
gemm_p = ((l2size / min_l + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1));
while (gemm_p * min_l > l2size)
gemm_p -= GEMM_UNROLL_M;
}
/* First, we have to move data A to L2 cache */
min_i = m_to - m_from;
l1stride = 1;
if(min_i >= GEMM_P * 2)
min_i = GEMM_P;
else if(min_i > GEMM_P)
min_i = (min_i / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
else l1stride = 0;
START_RPCC();
if(transa)
ICOPYT_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
else if(args->ks0)
icopy_operation(min_l, min_i, args, ls, m_from, sa);
else ICOPY_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(innercost);
for(jjs = js; jjs < js + min_j; jjs += min_jj)
{
min_jj = min_j + js - jjs;
if(min_jj >= 3*GEMM_UNROLL_N)
min_jj = 3*GEMM_UNROLL_N;
else if(min_jj > GEMM_UNROLL_N)
min_jj = GEMM_UNROLL_N;
START_RPCC();
OCOPY_OPERATION(min_l, min_jj, b, ldb, ls, jjs, sb + min_l * (jjs - js) * l1stride);
STOP_RPCC(outercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, alpha, sa,
sb + min_l * (jjs - js) * l1stride, c, ldc, m_from, jjs);
STOP_RPCC(kernelcost);
}
for(is = m_from + min_i; is < m_to; is += min_i)
{
min_i = m_to - is;
if(min_i >= GEMM_P * 2)
min_i = GEMM_P;
else if(min_i > GEMM_P)
min_i = (min_i / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
START_RPCC();
if(transa)
ICOPYT_OPERATION(min_l, min_i, a, lda, ls, is, sa);
else if(args->ks0)
icopy_operation(min_l, min_i, args, ls, is, sa);
else ICOPY_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(innercost);
START_RPCC();
KERNEL_OPERATION(min_i, min_j, min_l, alpha, sa, sb, c, ldc, is, js);
STOP_RPCC(kernelcost);
} /* end of is */
} /* end of js */
} /* end of ls */
#ifdef TIMING
total = (double)outercost + (double)innercost + (double)kernelcost;
printf( "Copy A : %5.2f Copy B: %5.2f Kernel : %5.2f kernel Effi. : %5.2f Total Effi. : %5.2f\n",
innercost / total * 100., outercost / total * 100.,
kernelcost / total * 100.,
(double)(m_to - m_from) * (double)(n_to - n_from) * (double)k / (double)kernelcost * 100. / 2.,
(double)(m_to - m_from) * (double)(n_to - n_from) * (double)k / total * 100. / 2.);
#endif
return 0;
}
static int inner_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos){
FLOAT *buffer[DIVIDE_RATE];
BLASLONG k, lda, ldc;
BLASLONG m_from, m_to, n_from, n_to;
FLOAT *alpha, *beta;
FLOAT *a, *c;
job_t *job = (job_t *)args -> common;
BLASLONG xxx, bufferside;
BLASLONG ls, min_l, jjs, min_jj;
BLASLONG is, min_i, div_n;
BLASLONG i, current;
#ifdef LOWER
BLASLONG start_i;
#endif
#ifdef TIMING
BLASLONG rpcc_counter;
BLASLONG copy_A = 0;
BLASLONG copy_B = 0;
BLASLONG kernel = 0;
BLASLONG waiting1 = 0;
BLASLONG waiting2 = 0;
BLASLONG waiting3 = 0;
BLASLONG waiting6[MAX_CPU_NUMBER];
BLASLONG ops = 0;
for (i = 0; i < args -> nthreads; i++) waiting6[i] = 0;
#endif
k = K;
a = (FLOAT *)A;
c = (FLOAT *)C;
lda = LDA;
ldc = LDC;
alpha = (FLOAT *)args -> alpha;
beta = (FLOAT *)args -> beta;
m_from = 0;
m_to = N;
/* Global Range */
n_from = 0;
n_to = N;
if (range_n) {
m_from = range_n[mypos + 0];
m_to = range_n[mypos + 1];
n_from = range_n[0];
n_to = range_n[args -> nthreads];
}
if (beta) {
#if !defined(COMPLEX) || defined(HERK)
if (beta[0] != ONE)
#else
if ((beta[0] != ONE) || (beta[1] != ZERO))
#endif
syrk_beta(m_from, m_to, n_from, n_to, beta, c, ldc);
}
if ((k == 0) || (alpha == NULL)) return 0;
if ((alpha[0] == ZERO)
#if defined(COMPLEX) && !defined(HERK)
&& (alpha[1] == ZERO)
#endif
) return 0;
#if 0
fprintf(stderr, "Thread[%ld] m_from : %ld m_to : %ld n_from : %ld n_to : %ld\n", mypos, m_from, m_to, n_from, n_to);
#endif
div_n = ((m_to - m_from + DIVIDE_RATE - 1) / DIVIDE_RATE
+ GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
buffer[0] = sb;
for (i = 1; i < DIVIDE_RATE; i++) {
buffer[i] = buffer[i - 1] + GEMM_Q * div_n * COMPSIZE;
}
for(ls = 0; ls < k; ls += min_l){
min_l = k - ls;
if (min_l >= GEMM_Q * 2) {
min_l = GEMM_Q;
} else {
if (min_l > GEMM_Q) min_l = (min_l + 1) / 2;
}
min_i = m_to - m_from;
if (min_i >= GEMM_P * 2) {
min_i = GEMM_P;
} else {
if (min_i > GEMM_P) {
min_i = (min_i / 2 + GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
}
}
#ifdef LOWER
xxx = (m_to - m_from - min_i) % GEMM_P;
if (xxx) min_i -= GEMM_P - xxx;
#endif
START_RPCC();
#ifndef LOWER
ICOPY_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
#else
ICOPY_OPERATION(min_l, min_i, a, lda, ls, m_to - min_i, sa);
#endif
STOP_RPCC(copy_A);
div_n = ((m_to - m_from + DIVIDE_RATE - 1) / DIVIDE_RATE
+ GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
for (xxx = m_from, bufferside = 0; xxx < m_to; xxx += div_n, bufferside ++) {
START_RPCC();
/* Make sure if no one is using buffer */
#ifndef LOWER
for (i = 0; i < mypos; i++)
#else
for (i = mypos + 1; i < args -> nthreads; i++)
#endif
while (job[mypos].working[i][CACHE_LINE_SIZE * bufferside]) {YIELDING;};
STOP_RPCC(waiting1);
#ifndef LOWER
for(jjs = xxx; jjs < MIN(m_to, xxx + div_n); jjs += min_jj){
min_jj = MIN(m_to, xxx + div_n) - jjs;
if (xxx == m_from) {
if (min_jj > min_i) min_jj = min_i;
} else {
if (min_jj > GEMM_UNROLL_MN) min_jj = GEMM_UNROLL_MN;
}
START_RPCC();
OCOPY_OPERATION(min_l, min_jj, a, lda, ls, jjs,
buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE);
STOP_RPCC(copy_B);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, alpha,
sa, buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE,
c, ldc, m_from, jjs);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * min_jj * min_l;
#endif
}
#else
for(jjs = xxx; jjs < MIN(m_to, xxx + div_n); jjs += min_jj){
min_jj = MIN(m_to, xxx + div_n) - jjs;
if (min_jj > GEMM_UNROLL_MN) min_jj = GEMM_UNROLL_MN;
START_RPCC();
OCOPY_OPERATION(min_l, min_jj, a, lda, ls, jjs,
buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE);
STOP_RPCC(copy_B);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, alpha,
sa, buffer[bufferside] + min_l * (jjs - xxx) * COMPSIZE,
c, ldc, m_to - min_i, jjs);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * min_jj * min_l;
#endif
}
#endif
#ifndef LOWER
for (i = 0; i <= mypos; i++)
#else
for (i = mypos; i < args -> nthreads; i++)
#endif
job[mypos].working[i][CACHE_LINE_SIZE * bufferside] = (BLASLONG)buffer[bufferside];
WMB;
}
#ifndef LOWER
current = mypos + 1;
while (current < args -> nthreads) {
#else
current = mypos - 1;
while (current >= 0) {
#endif
div_n = ((range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE
+ GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++) {
START_RPCC();
/* thread has to wait */
while(job[current].working[mypos][CACHE_LINE_SIZE * bufferside] == 0) {YIELDING;};
STOP_RPCC(waiting2);
START_RPCC();
#ifndef LOWER
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha,
sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
c, ldc,
m_from,
xxx);
#else
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha,
sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
c, ldc,
m_to - min_i,
xxx);
#endif
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
if (m_to - m_from == min_i) {
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
}
}
#ifndef LOWER
current ++;
#else
current --;
#endif
}
#ifndef LOWER
for(is = m_from + min_i; is < m_to; is += min_i){
min_i = m_to - is;
#else
start_i = min_i;
for(is = m_from; is < m_to - start_i; is += min_i){
min_i = m_to - start_i - is;
#endif
if (min_i >= GEMM_P * 2) {
min_i = GEMM_P;
} else
if (min_i > GEMM_P) {
min_i = ((min_i + 1) / 2 + GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
}
START_RPCC();
ICOPY_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(copy_A);
current = mypos;
do {
div_n = ((range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE
+ GEMM_UNROLL_MN - 1) & ~(GEMM_UNROLL_MN - 1);
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++) {
START_RPCC();
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha,
sa, (FLOAT *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside],
c, ldc, is, xxx);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
#ifndef LOWER
if (is + min_i >= m_to) {
#else
if (is + min_i >= m_to - start_i) {
#endif
/* Thread doesn't need this buffer any more */
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
WMB;
}
}
#ifndef LOWER
current ++;
} while (current != args -> nthreads);
#else
current --;
} while (current >= 0);
#endif
}
}
START_RPCC();
for (i = 0; i < args -> nthreads; i++) {
if (i != mypos) {
for (xxx = 0; xxx < DIVIDE_RATE; xxx++) {
while (job[mypos].working[i][CACHE_LINE_SIZE * xxx] ) {YIELDING;};
}
}
}
STOP_RPCC(waiting3);
#ifdef TIMING
BLASLONG waiting = waiting1 + waiting2 + waiting3;
BLASLONG total = copy_A + copy_B + kernel + waiting;
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2f Copy_B : %6.2f Wait1 : %6.2f Wait2 : %6.2f Wait3 : %6.2f Kernel : %6.2f",
mypos, (double)copy_A /(double)total * 100., (double)copy_B /(double)total * 100.,
(double)waiting1 /(double)total * 100.,
(double)waiting2 /(double)total * 100.,
(double)waiting3 /(double)total * 100.,
(double)ops/(double)kernel / 4. * 100.);
#if 0
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2ld Copy_B : %6.2ld Wait : %6.2ld\n",
mypos, copy_A, copy_B, waiting);
fprintf(stderr, "Waiting[%2ld] %6.2f %6.2f %6.2f\n",
mypos,
(double)waiting1/(double)waiting * 100.,
(double)waiting2/(double)waiting * 100.,
(double)waiting3/(double)waiting * 100.);
#endif
fprintf(stderr, "\n");
#endif
return 0;
}
int CNAME(blas_arg_t *args, BLASLONG *range_m, BLASLONG *range_n, FLOAT *sa, FLOAT *sb, BLASLONG mypos){
blas_arg_t newarg;
#ifndef USE_ALLOC_HEAP
job_t job[MAX_CPU_NUMBER];
#else
job_t * job = NULL;
#endif
blas_queue_t queue[MAX_CPU_NUMBER];
BLASLONG range[MAX_CPU_NUMBER + 100];
BLASLONG num_cpu;
BLASLONG nthreads = args -> nthreads;
BLASLONG width, i, j, k;
BLASLONG n, n_from, n_to;
int mode, mask;
double dnum;
if ((nthreads == 1) || (args -> n < nthreads * SWITCH_RATIO)) {
SYRK_LOCAL(args, range_m, range_n, sa, sb, 0);
return 0;
}
#ifndef COMPLEX
#ifdef XDOUBLE
mode = BLAS_XDOUBLE | BLAS_REAL;
mask = MAX(QGEMM_UNROLL_M, QGEMM_UNROLL_N) - 1;
#elif defined(DOUBLE)
mode = BLAS_DOUBLE | BLAS_REAL;
mask = MAX(DGEMM_UNROLL_M, DGEMM_UNROLL_N) - 1;
#else
mode = BLAS_SINGLE | BLAS_REAL;
mask = MAX(SGEMM_UNROLL_M, SGEMM_UNROLL_N) - 1;
#endif
#else
#ifdef XDOUBLE
mode = BLAS_XDOUBLE | BLAS_COMPLEX;
mask = MAX(XGEMM_UNROLL_M, XGEMM_UNROLL_N) - 1;
#elif defined(DOUBLE)
mode = BLAS_DOUBLE | BLAS_COMPLEX;
mask = MAX(ZGEMM_UNROLL_M, ZGEMM_UNROLL_N) - 1;
#else
mode = BLAS_SINGLE | BLAS_COMPLEX;
mask = MAX(CGEMM_UNROLL_M, CGEMM_UNROLL_N) - 1;
#endif
#endif
newarg.m = args -> m;
newarg.n = args -> n;
newarg.k = args -> k;
newarg.a = args -> a;
newarg.b = args -> b;
newarg.c = args -> c;
newarg.lda = args -> lda;
newarg.ldb = args -> ldb;
newarg.ldc = args -> ldc;
newarg.alpha = args -> alpha;
newarg.beta = args -> beta;
#ifdef USE_ALLOC_HEAP
job = (job_t*)malloc(MAX_CPU_NUMBER * sizeof(job_t));
if(job==NULL){
fprintf(stderr, "OpenBLAS: malloc failed in %s\n", __func__);
exit(1);
}
#endif
newarg.common = (void *)job;
if (!range_n) {
n_from = 0;
n_to = args -> n;
} else {
n_from = range_n[0];
n_to = range_n[1] - range_n[0];
}
#ifndef LOWER
range[MAX_CPU_NUMBER] = n_to - n_from;
range[0] = 0;
num_cpu = 0;
i = 0;
n = n_to - n_from;
dnum = (double)n * (double)n /(double)nthreads;
while (i < n){
if (nthreads - num_cpu > 1) {
double di = (double)i;
width = (((BLASLONG)(sqrt(di * di + dnum) - di) + mask) & ~mask);
if (num_cpu == 0) width = n - ((n - width) & ~mask);
if ((width > n - i) || (width < mask)) width = n - i;
} else {
width = n - i;
}
range[MAX_CPU_NUMBER - num_cpu - 1] = range[MAX_CPU_NUMBER - num_cpu] - width;
queue[num_cpu].mode = mode;
queue[num_cpu].routine = inner_thread;
queue[num_cpu].args = &newarg;
queue[num_cpu].range_m = range_m;
queue[num_cpu].sa = NULL;
queue[num_cpu].sb = NULL;
queue[num_cpu].next = &queue[num_cpu + 1];
num_cpu ++;
i += width;
}
for (i = 0; i < num_cpu; i ++) queue[i].range_n = &range[MAX_CPU_NUMBER - num_cpu];
#else
range[0] = 0;
num_cpu = 0;
i = 0;
n = n_to - n_from;
dnum = (double)n * (double)n /(double)nthreads;
while (i < n){
if (nthreads - num_cpu > 1) {
double di = (double)i;
width = (((BLASLONG)(sqrt(di * di + dnum) - di) + mask) & ~mask);
if ((width > n - i) || (width < mask)) width = n - i;
} else {
width = n - i;
}
range[num_cpu + 1] = range[num_cpu] + width;
queue[num_cpu].mode = mode;
queue[num_cpu].routine = inner_thread;
queue[num_cpu].args = &newarg;
queue[num_cpu].range_m = range_m;
queue[num_cpu].range_n = range;
queue[num_cpu].sa = NULL;
queue[num_cpu].sb = NULL;
queue[num_cpu].next = &queue[num_cpu + 1];
num_cpu ++;
i += width;
}
#endif
newarg.nthreads = num_cpu;
if (num_cpu) {
for (j = 0; j < num_cpu; j++) {
for (i = 0; i < num_cpu; i++) {
for (k = 0; k < DIVIDE_RATE; k++) {
job[j].working[i][CACHE_LINE_SIZE * k] = 0;
}
}
}
queue[0].sa = sa;
queue[0].sb = sb;
queue[num_cpu - 1].next = NULL;
exec_blas(num_cpu, queue);
}
#ifdef USE_ALLOC_HEAP
free(job);
#endif
return 0;
}
static int gemm_thread(long mypos, long nthreads, struct sgemmargs *args, long *range_m, long *range_n)
{
float *buffer[DIVIDE_RATE];
float *sa, *sb;
long m_from, m_to, n_from, n_to;
long xxx, bufferside;
long ls, min_l, jjs, min_jj;
long is, min_i, div_n;
long i, current;
long l1stride;
char transa = args->transa;
long m = args->m;
long n = args->n;
long k = args->k;
float alpha = args->alpha;
float beta = args->beta;
float *a = args->a;
float *b = args->b;
float *c = args->c;
long lda = args->lda;
long ldb = args->ldb;
long ldc = args->ldc;
#ifdef TIMING
unsigned long rpcc_counter;
unsigned long copy_A = 0;
unsigned long copy_B = 0;
unsigned long kernel = 0;
unsigned long waiting1 = 0;
unsigned long waiting2 = 0;
unsigned long waiting3 = 0;
unsigned long waiting6[MAX_CPU_NUMBER];
unsigned long ops = 0;
for (i = 0; i < num_threads; i++)
waiting6[i] = 0;
#endif
sa = saa[mypos];
sb = sba[mypos];
m_from = 0;
m_to = m;
if(range_m)
{
m_from = range_m[mypos + 0];
m_to = range_m[mypos + 1];
}
n_from = 0;
n_to = n;
if (range_n)
{
n_from = range_n[mypos + 0];
n_to = range_n[mypos + 1];
}
if(beta != 1)
BETA_OPERATION(m_from, m_to, 0, n, beta, c, ldc);
if(k == 0 || alpha == 0)
return 0;
#if 0
fprintf(stderr, "Thread[%ld] m_from : %ld m_to : %ld n_from : %ld n_to : %ld\n",
mypos, m_from, m_to, n_from, n_to);
fprintf(stderr, "GEMM: P = %4ld Q = %4ld R = %4ld\n", (long)GEMM_P, (long)GEMM_Q, (long)GEMM_R);
#endif
div_n = (n_to - n_from + DIVIDE_RATE - 1) / DIVIDE_RATE;
buffer[0] = sb;
for (i = 1; i < DIVIDE_RATE; i++)
buffer[i] = buffer[i - 1] + GEMM_Q * ((div_n + GEMM_UNROLL_N - 1) & ~(GEMM_UNROLL_N - 1));
for(ls = 0; ls < k; ls += min_l)
{
min_l = k - ls;
if (min_l >= GEMM_Q * 2)
min_l = GEMM_Q;
else if (min_l > GEMM_Q)
min_l = (min_l + 1) / 2;
l1stride = 1;
min_i = m_to - m_from;
if (min_i >= GEMM_P * 2)
min_i = GEMM_P;
else if(min_i > GEMM_P)
min_i = (min_i / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
else if (nthreads == 1)
l1stride = 0;
START_RPCC();
//printf("icopy%ld (%ld,%ld)%ld (%ld,%ld)\n", mypos, min_l, min_i, lda, ls, m_from);
if(transa)
ICOPYT_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
else if(args->ks0)
icopy_operation(min_l, min_i, args, ls, m_from, sa);
else ICOPY_OPERATION(min_l, min_i, a, lda, ls, m_from, sa);
STOP_RPCC(copy_A);
div_n = (n_to - n_from + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = n_from, bufferside = 0; xxx < n_to; xxx += div_n, bufferside ++)
{
START_RPCC();
/* Make sure if no one is using buffer */
for (i = 0; i < nthreads; i++)
while (job[mypos].working[i][CACHE_LINE_SIZE * bufferside])
{YIELDING;}
STOP_RPCC(waiting1);
for(jjs = xxx; jjs < MIN(n_to, xxx + div_n); jjs += min_jj)
{
min_jj = MIN(n_to, xxx + div_n) - jjs;
if(min_jj >= 3*GEMM_UNROLL_N)
min_jj = 3*GEMM_UNROLL_N;
else if (min_jj > GEMM_UNROLL_N)
min_jj = GEMM_UNROLL_N;
START_RPCC();
OCOPY_OPERATION(min_l, min_jj, b, ldb, ls, jjs, buffer[bufferside] + min_l * (jjs - xxx) * l1stride);
STOP_RPCC(copy_B);
START_RPCC();
KERNEL_OPERATION(min_i, min_jj, min_l, alpha, sa, buffer[bufferside] + min_l * (jjs - xxx) * l1stride, c, ldc, m_from, jjs);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * min_jj * min_l;
#endif
}
for (i = 0; i < nthreads; i++)
job[mypos].working[i][CACHE_LINE_SIZE * bufferside] = (long)buffer[bufferside];
WMB;
}
current = mypos;
do {
current ++;
if(current >= nthreads)
current = 0;
div_n = (range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++)
{
if (current != mypos)
{
START_RPCC();
/* thread has to wait */
while(job[current].working[mypos][CACHE_LINE_SIZE * bufferside] == 0)
{YIELDING;}
STOP_RPCC(waiting2);
START_RPCC();
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha, sa,
(float *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside], c, ldc, m_from, xxx);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
}
if (m_to - m_from == min_i)
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
}
} while (current != mypos);
for(is = m_from + min_i; is < m_to; is += min_i)
{
min_i = m_to - is;
if (min_i >= GEMM_P * 2)
min_i = GEMM_P;
else if (min_i > GEMM_P)
min_i = ((min_i + 1) / 2 + GEMM_UNROLL_M - 1) & ~(GEMM_UNROLL_M - 1);
START_RPCC();
//printf("icopya%ld (%ld,%ld)%ld (%ld,%ld)\n", mypos, min_l, min_i, lda, ls, is);
if(transa)
ICOPYT_OPERATION(min_l, min_i, a, lda, ls, is, sa);
else if(args->ks0)
icopy_operation(min_l, min_i, args, ls, is, sa);
else ICOPY_OPERATION(min_l, min_i, a, lda, ls, is, sa);
STOP_RPCC(copy_A);
current = mypos;
do {
div_n = (range_n[current + 1] - range_n[current] + DIVIDE_RATE - 1) / DIVIDE_RATE;
for (xxx = range_n[current], bufferside = 0; xxx < range_n[current + 1]; xxx += div_n, bufferside ++)
{
START_RPCC();
KERNEL_OPERATION(min_i, MIN(range_n[current + 1] - xxx, div_n), min_l, alpha, sa,
(float *)job[current].working[mypos][CACHE_LINE_SIZE * bufferside], c, ldc, is, xxx);
STOP_RPCC(kernel);
#ifdef TIMING
ops += 2 * min_i * MIN(range_n[current + 1] - xxx, div_n) * min_l;
#endif
if(is + min_i >= m_to)
{
/* Thread doesn't need this buffer any more */
job[current].working[mypos][CACHE_LINE_SIZE * bufferside] &= 0;
WMB;
}
}
current ++;
if(current >= nthreads)
current = 0;
} while (current != mypos);
}
}
START_RPCC();
for (i = 0; i < nthreads; i++)
for (xxx = 0; xxx < DIVIDE_RATE; xxx++)
while (job[mypos].working[i][CACHE_LINE_SIZE * xxx] )
{YIELDING;}
STOP_RPCC(waiting3);
#ifdef TIMING
long waiting = waiting1 + waiting2 + waiting3;
long total = copy_A + copy_B + kernel + waiting;
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2f Copy_B : %6.2f Wait1 : %6.2f Wait2 : %6.2f Wait3 : %6.2f Kernel : %6.2f",
mypos, (double)copy_A /(double)total * 100., (double)copy_B /(double)total * 100.,
(double)waiting1 /(double)total * 100.,
(double)waiting2 /(double)total * 100.,
(double)waiting3 /(double)total * 100.,
(double)ops/(double)kernel / 4. * 100.);
#if 0
fprintf(stderr, "GEMM [%2ld] Copy_A : %6.2ld Copy_B : %6.2ld Wait : %6.2ld\n",
mypos, copy_A, copy_B, waiting);
fprintf(stderr, "Waiting[%2ld] %6.2f %6.2f %6.2f\n", mypos,
(double)waiting1/(double)waiting * 100.,
(double)waiting2/(double)waiting * 100.,
(double)waiting3/(double)waiting * 100.);
#endif
fprintf(stderr, "\n");
#endif
return 0;
}
