add benchmark toolbox fix to 2.6.0

This commit is contained in:
Lightos1 committed 2026-09-11 22:34:36 +02:00
1 parent 044d7b69e0
commit 73eae055c0
1 file changed
+186 -126
+186 -126
View File
@@ -8,7 +8,6 @@
*/
#include <math.h>
#include <pthread.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
@@ -24,110 +23,174 @@
#define ALIGN_PADDING 0x100000
#define CACHE_LINE_SIZE 128
struct f_data {
void (*func)(int64_t *, int64_t *, int);
int64_t *arg1;
int64_t *arg2;
int arg3;
};
#define BW_MAX_THREADS 4
static pthread_cond_t p_ready, p_start;
static pthread_mutex_t p_lock;
static pthread_t *p_worker = NULL;
static struct f_data *worker_data = NULL;
static int p_worker_not_ready, p_workers_ready;
typedef void (*bench_kernel_fn)(int64_t *dst, int64_t *src, long size);
static void *thread_func(void *data) {
struct f_data *d = data;
pthread_mutex_lock(&p_lock);
p_worker_not_ready--;
if (!p_worker_not_ready)
pthread_cond_signal(&p_ready);
while (p_workers_ready != 1)
pthread_cond_wait(&p_start, &p_lock);
pthread_mutex_unlock(&p_lock);
(d->func)(d->arg1, d->arg2, d->arg3);
pthread_exit(NULL);
}
struct bw_pool;
static void parallel_run(void) {
pthread_mutex_lock(&p_lock);
p_workers_ready = 1;
pthread_mutex_unlock(&p_lock);
pthread_cond_broadcast(&p_start);
}
typedef struct {
Thread thread;
Semaphore start;
struct bw_pool *pool;
bench_kernel_fn func;
int64_t *dst;
int64_t *src;
long size;
int core;
bool created;
} bw_worker_t;
static void parallel_init(int threads) {
pthread_attr_t attr;
pthread_cond_init(&p_ready, NULL);
pthread_cond_init(&p_start, NULL);
pthread_mutex_init(&p_lock, NULL);
p_worker_not_ready = threads;
p_workers_ready = 0;
pthread_attr_init(&attr);
if (!p_worker || !worker_data) {
p_worker = malloc(threads * sizeof(pthread_t));
worker_data = malloc(threads * sizeof(struct f_data));
typedef struct bw_pool {
bw_worker_t workers[BW_MAX_THREADS];
Semaphore done;
int threads;
bool ok;
} bw_pool_t;
static void bw_worker_entry(void *arg) {
bw_worker_t *w = (bw_worker_t *)arg;
bw_pool_t *p = w->pool;
/* Best-effort pin to own core. */
svcSetThreadCoreMask(CUR_THREAD_HANDLE, w->core, (u64)1 << w->core);
for (;;) {
semaphoreWait(&w->start);
bench_kernel_fn f = w->func;
if (!f)
break;
f(w->dst, w->src, w->size);
semaphoreSignal(&p->done);
}
}
static bool bw_pool_init(bw_pool_t *p, int threads) {
memset(p, 0, sizeof(*p));
if (threads > BW_MAX_THREADS)
threads = BW_MAX_THREADS;
p->threads = threads;
semaphoreInit(&p->done, 0);
s32 prio = 0x2C;
svcGetThreadPriority(&prio, CUR_THREAD_HANDLE);
for (int i = 0; i < threads; i++) {
bw_worker_t *w = &p->workers[i];
w->core = i;
w->func = NULL;
w->pool = p;
semaphoreInit(&w->start, 0);
if (R_FAILED(threadCreate(&w->thread, bw_worker_entry, w, NULL, 0x8000, prio, i)))
return false;
w->created = true;
if (R_FAILED(threadStart(&w->thread)))
return false;
}
p->ok = true;
return true;
}
static void bw_pool_free(bw_pool_t *p) {
for (int i = 0; i < p->threads; i++) {
bw_worker_t *w = &p->workers[i];
if (w->created) {
w->func = NULL; /* shutdown */
semaphoreSignal(&w->start);
}
}
for (int i = 0; i < p->threads; i++) {
bw_worker_t *w = &p->workers[i];
if (w->created) {
threadWaitForExit(&w->thread);
threadClose(&w->thread);
w->created = false;
}
}
p->ok = false;
}
static double bw_run_once(bw_pool_t *p, bench_kernel_fn f, int64_t *dstbuf, int64_t *srcbuf, long size) {
int threads = p->threads;
for (int i = 0; i < threads; i++) {
bw_worker_t *w = &p->workers[i];
w->func = f;
w->dst = dstbuf + (size * i) / (long)sizeof(int64_t);
w->src = srcbuf + (size * i) / (long)sizeof(int64_t);
w->size = size;
}
uint64_t t0 = armGetSystemTick();
for (int i = 0; i < threads; i++)
pthread_create(p_worker + i, &attr, thread_func, worker_data + i);
pthread_mutex_lock(&p_lock);
while (p_worker_not_ready != 0)
pthread_cond_wait(&p_ready, &p_lock);
pthread_mutex_unlock(&p_lock);
semaphoreSignal(&p->workers[i].start);
for (int i = 0; i < threads; i++)
semaphoreWait(&p->done);
uint64_t t1 = armGetSystemTick();
return (double)armTicksToNs(t1 - t0) / 1000000000.0;
}
static void aligned_block_copy(int64_t *__restrict dst_, int64_t *__restrict src, int size) {
volatile int64_t *dst = dst_;
int64_t t1, t2, t3, t4;
while ((size -= 64) >= 0) {
t1 = *src++;
t2 = *src++;
t3 = *src++;
t4 = *src++;
*dst++ = t1;
*dst++ = t2;
*dst++ = t3;
*dst++ = t4;
t1 = *src++;
t2 = *src++;
t3 = *src++;
t4 = *src++;
*dst++ = t1;
*dst++ = t2;
*dst++ = t3;
*dst++ = t4;
}
}
#define BW_GPR_CLOBBERS \
"x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18"
static void aligned_block_fetch(int64_t *__restrict dst, int64_t *__restrict src_, int size) {
volatile int64_t *src = src_;
(void)dst;
while ((size -= 64) >= 0) {
*src++;
*src++;
*src++;
*src++;
*src++;
*src++;
*src++;
*src++;
}
static void aligned_block_copy(int64_t *dst, int64_t *src, long size) {
__asm__ __volatile__(
"1:\n"
"ldp x3, x4, [%[s], #0x00]\n"
"ldp x5, x6, [%[s], #0x10]\n"
"ldp x7, x8, [%[s], #0x20]\n"
"ldp x9, x10, [%[s], #0x30]\n"
"ldp x11, x12, [%[s], #0x40]\n"
"ldp x13, x14, [%[s], #0x50]\n"
"ldp x15, x16, [%[s], #0x60]\n"
"ldp x17, x18, [%[s], #0x70]\n"
"add %[s], %[s], #0x80\n"
"stp x3, x4, [%[d], #0x00]\n"
"stp x5, x6, [%[d], #0x10]\n"
"stp x7, x8, [%[d], #0x20]\n"
"stp x9, x10, [%[d], #0x30]\n"
"stp x11, x12, [%[d], #0x40]\n"
"stp x13, x14, [%[d], #0x50]\n"
"stp x15, x16, [%[d], #0x60]\n"
"stp x17, x18, [%[d], #0x70]\n"
"add %[d], %[d], #0x80\n"
"subs %[n], %[n], #0x80\n"
"b.gt 1b\n"
: [s] "+r"(src), [d] "+r"(dst), [n] "+r"(size)
:
: BW_GPR_CLOBBERS, "cc", "memory");
}
static void aligned_block_fill(int64_t *__restrict dst_, int64_t *__restrict src, int size) {
volatile int64_t *dst = dst_;
int64_t data = *src;
while ((size -= 64) >= 0) {
*dst++ = data;
*dst++ = data;
*dst++ = data;
*dst++ = data;
*dst++ = data;
*dst++ = data;
*dst++ = data;
*dst++ = data;
}
static void aligned_block_fetch(int64_t *dst, int64_t *src, long size) {
(void)src;
__asm__ __volatile__(
"1:\n"
"ldp x3, x4, [%[p], #0x00]\n"
"ldp x5, x6, [%[p], #0x10]\n"
"ldp x7, x8, [%[p], #0x20]\n"
"ldp x9, x10, [%[p], #0x30]\n"
"ldp x11, x12, [%[p], #0x40]\n"
"ldp x13, x14, [%[p], #0x50]\n"
"ldp x15, x16, [%[p], #0x60]\n"
"ldp x17, x18, [%[p], #0x70]\n"
"add %[p], %[p], #0x80\n"
"subs %[n], %[n], #0x80\n"
"b.gt 1b\n"
: [p] "+r"(dst), [n] "+r"(size)
:
: BW_GPR_CLOBBERS, "cc", "memory");
}
static void aligned_block_fill(int64_t *dst, int64_t *src, long size) {
(void)src;
__asm__ __volatile__(
"1:\n"
"stp x3, x4, [%[d], #0x00]\n"
"stp x5, x6, [%[d], #0x10]\n"
"stp x7, x8, [%[d], #0x20]\n"
"stp x9, x10, [%[d], #0x30]\n"
"stp x11, x12, [%[d], #0x40]\n"
"stp x13, x14, [%[d], #0x50]\n"
"stp x15, x16, [%[d], #0x60]\n"
"stp x17, x18, [%[d], #0x70]\n"
"add %[d], %[d], #0x80\n"
"subs %[n], %[n], #0x80\n"
"b.gt 1b\n"
: [d] "+r"(dst), [n] "+r"(size)
:
: BW_GPR_CLOBBERS, "cc", "memory");
}
static double gettime(void) {
@@ -136,9 +199,12 @@ static double gettime(void) {
return (double)((int64_t)tv.tv_sec * 1000000 + tv.tv_usec) / 1000000.;
}
static double bandwidth_bench_helper(int threads, int64_t *dstbuf, int64_t *srcbuf, int size, void (*f)(int64_t *, int64_t *, int)) {
static double bandwidth_bench_helper(bw_pool_t *pool, int threads, int64_t *dstbuf, int64_t *srcbuf, long size, bench_kernel_fn f) {
int i, loopcount, innerloopcount, n;
double t, t1, t2, speed, maxspeed, s, s0, s1, s2;
double t, speed, maxspeed, s, s0, s1, s2;
if (!pool || !pool->ok)
return 0.;
s = s0 = s1 = s2 = 0.;
maxspeed = 0.;
@@ -148,21 +214,8 @@ static double bandwidth_bench_helper(int threads, int64_t *dstbuf, int64_t *srcb
t = 0.;
do {
loopcount += innerloopcount;
for (i = 0; i < innerloopcount; i++) {
parallel_init(threads);
for (int pt = 0; pt < threads; pt++) {
(worker_data + pt)->func = f;
(worker_data + pt)->arg1 = dstbuf + size * pt / sizeof(int64_t);
(worker_data + pt)->arg2 = srcbuf + size * pt / sizeof(int64_t);
(worker_data + pt)->arg3 = size;
}
t1 = gettime();
parallel_run();
for (int pt = 0; pt < threads; pt++)
pthread_join(p_worker[pt], NULL);
t2 = gettime();
t += t2 - t1;
}
for (i = 0; i < innerloopcount; i++)
t += bw_run_once(pool, f, dstbuf, srcbuf, size);
innerloopcount *= 2;
} while (t < 0.5);
@@ -306,13 +359,16 @@ void bench_run_full(bench_results_t *out, bench_progress_fn progress, void *user
int64_t *srcbuf, *dstbuf;
void *poolbuf = alloc_nonaliased_buffers((void **)&srcbuf, size * threads, (void **)&dstbuf, size * threads, NULL, 0);
bw_pool_t bw;
bw_pool_init(&bw, threads);
STEP("CPU copy", 0.40f);
out->cpu_copy = bandwidth_bench_helper(threads, dstbuf, srcbuf, size, aligned_block_copy);
out->cpu_copy = bandwidth_bench_helper(&bw, threads, dstbuf, srcbuf, size, aligned_block_copy);
STEP("CPU read", 0.55f);
out->cpu_read = bandwidth_bench_helper(threads, dstbuf, srcbuf, size, aligned_block_fetch);
out->cpu_read = bandwidth_bench_helper(&bw, threads, dstbuf, srcbuf, size, aligned_block_fetch);
STEP("CPU write", 0.70f);
out->cpu_write = bandwidth_bench_helper(threads, dstbuf, srcbuf, size, aligned_block_fill);
out->cpu_write = bandwidth_bench_helper(&bw, threads, dstbuf, srcbuf, size, aligned_block_fill);
bw_pool_free(&bw);
free(poolbuf);
STEP("Latency", 0.85f);
@@ -325,9 +381,10 @@ void bench_run_full(bench_results_t *out, bench_progress_fn progress, void *user
struct bench_ctx {
int phase;
bool is_4gb;
void *pool;
void *buf;
int64_t *src;
int64_t *dst;
bw_pool_t bw;
};
bench_ctx *bench_begin(void) {
@@ -335,7 +392,8 @@ bench_ctx *bench_begin(void) {
if (!c)
return NULL;
c->is_4gb = (appletGetAppletType() == AppletType_Application);
c->pool = alloc_nonaliased_buffers((void **)&c->src, SIZE * 3, (void **)&c->dst, SIZE * 3, NULL, 0);
c->buf = alloc_nonaliased_buffers((void **)&c->src, SIZE * 3, (void **)&c->dst, SIZE * 3, NULL, 0);
bw_pool_init(&c->bw, 3);
return c;
}
@@ -349,24 +407,25 @@ bool bench_step(bench_ctx *c, bench_results_t *out, const char **label, float *f
*frac = 0.25f;
break;
case 1:
out->cpu_copy = bandwidth_bench_helper(threads, c->dst, c->src, size, aligned_block_copy);
out->cpu_copy = bandwidth_bench_helper(&c->bw, threads, c->dst, c->src, size, aligned_block_copy);
*label = "CPU copy";
*frac = 0.45f;
break;
case 2:
out->cpu_read = bandwidth_bench_helper(threads, c->dst, c->src, size, aligned_block_fetch);
out->cpu_read = bandwidth_bench_helper(&c->bw, threads, c->dst, c->src, size, aligned_block_fetch);
*label = "CPU read";
*frac = 0.60f;
break;
case 3:
out->cpu_write = bandwidth_bench_helper(threads, c->dst, c->src, size, aligned_block_fill);
out->cpu_write = bandwidth_bench_helper(&c->bw, threads, c->dst, c->src, size, aligned_block_fill);
*label = "CPU write";
*frac = 0.75f;
break;
case 4:
if (c->pool) {
free(c->pool);
c->pool = NULL;
bw_pool_free(&c->bw);
if (c->buf) {
free(c->buf);
c->buf = NULL;
}
latency_bench(&out->l2_ns, &out->ram_ns);
*label = "Latency";
@@ -384,7 +443,8 @@ bool bench_step(bench_ctx *c, bench_results_t *out, const char **label, float *f
void bench_end(bench_ctx *c) {
if (!c)
return;
if (c->pool)
free(c->pool);
bw_pool_free(&c->bw);
if (c->buf)
free(c->buf);
free(c);
}
}