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Coding style adaptation

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This commit is contained in:
doinachiroiu 2020-08-17 11:21:19 +00:00
parent deb8869bb6
commit 50921e222d
1 changed files with 43 additions and 39 deletions
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82
oss-internship-2020/pffft/test_pffft_sandboxed.cc
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@ -1,14 +1,13 @@
#include "fftpack.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <assert.h>
#include <string.h>
#include <syscall.h>
#include <sys/times.h>
#include <syscall.h>
#include <time.h>
#include "fftpack.h"
#include "pffft_sapi.sapi.h"
#include "sandboxed_api/util/flag.h"
#include "sandboxed_api/vars.h"
@ -17,9 +16,10 @@ ABSL_DECLARE_FLAG(string, sandbox2_danger_danger_permit_all);
ABSL_DECLARE_FLAG(string, sandbox2_danger_danger_permit_all_and_log);
class pffftSapiSandbox : public pffftSandbox {
public:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
public:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowStaticStartup()
.AllowOpen()
.AllowRead()
@ -27,47 +27,51 @@ class pffftSapiSandbox : public pffftSandbox {
.AllowSystemMalloc()
.AllowExit()
.AllowSyscalls({
__NR_futex,
__NR_close,
__NR_getrusage,
__NR_futex,
__NR_close,
__NR_getrusage,
})
.DisableNamespaces()
.BuildOrDie();
}
}
};
double frand() {
return rand()/(double)RAND_MAX;
}
double frand() { return rand() / (double)RAND_MAX; }
double uclock_sec(void) {
return (double)clock()/(double)CLOCKS_PER_SEC;
}
double uclock_sec(void) { return (double)clock() / (double)CLOCKS_PER_SEC; }
int array_output_format = 0;
void show_output(const char *name, int N, int cplx, float flops, float t0, float t1, int max_iter) {
float mflops = flops/1e6/(t1 - t0 + 1e-16);
void show_output(const char* name, int N, int cplx, float flops, float t0,
float t1, int max_iter) {
float mflops = flops / 1e6 / (t1 - t0 + 1e-16);
if (array_output_format) {
if (flops != -1) {
printf("|%9.0f ", mflops);
} else printf("| n/a ");
} else
printf("| n/a ");
} else {
if (flops != -1) {
printf("N=%5d, %s %16s : %6.0f MFlops [t=%6.0f ns, %d runs]\n", N, (cplx?"CPLX":"REAL"), name, mflops, (t1-t0)/2/max_iter * 1e9, max_iter);
printf("N=%5d, %s %16s : %6.0f MFlops [t=%6.0f ns, %d runs]\n", N,
(cplx ? "CPLX" : "REAL"), name, mflops,
(t1 - t0) / 2 / max_iter * 1e9, max_iter);
}
}
fflush(stdout);
}
/*
/*
For debug:
SAPI_VLOG_LEVEL=1 ./pffft_sandboxed --v=100 --sandbox2_danger_danger_permit_all_and_log my_aux_file
SAPI_VLOG_LEVEL=1 ./pffft_sandboxed --v=100
--sandbox2_danger_danger_permit_all_and_log my_aux_file
*/
int main(int argc, char* argv[]) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
int Nvalues[] = { 64, 96, 128, 160, 192, 256, 384, 5*96, 512, 5*128, 3*256, 800, 1024, 2048, 2400, 4096, 8192, 9*1024, 16384, 32768, 256*1024, 1024*1024, -1 };
int Nvalues[] = {64, 96, 128, 160, 192, 256,
384, 5 * 96, 512, 5 * 128, 3 * 256, 800,
1024, 2048, 2400, 4096, 8192, 9 * 1024,
16384, 32768, 256 * 1024, 1024 * 1024, -1};
int i;
printf("initializing sandbox...\n");
@ -76,14 +80,14 @@ int main(int argc, char* argv[]) {
sandbox.Init().IgnoreError();
pffftApi api(&sandbox);
int N, cplx;
cplx = 0;
for (i = 0; i < 5; i++) {
N = Nvalues[i];
int Nfloat = N * (cplx ? 2 : 1);
int Nbytes = Nfloat * sizeof(float);
int pass;
@ -108,27 +112,28 @@ int main(int argc, char* argv[]) {
double t0, t1, flops;
int max_iter = 5120000/N*4;
#ifdef __arm__
max_iter /= 4;
#endif
int max_iter = 5120000 / N * 4;
#ifdef __arm__
max_iter /= 4;
#endif
int iter;
for (k = 0; k < Nfloat; ++k) {
X[k] = 0;
X[k] = 0;
}
// FFTPack benchmark
{
int max_iter_ = max_iter/4; // SIMD_SZ == 4 (returning value of pffft_simd_size())
int max_iter_ =
max_iter / 4; // SIMD_SZ == 4 (returning value of pffft_simd_size())
if (max_iter_ == 0) max_iter_ = 1;
if (cplx) {
api.cffti(N, wrk_.PtrBoth()).IgnoreError();
} else {
api.rffti(N, wrk_.PtrBoth()).IgnoreError();
}
t0 = uclock_sec();
t0 = uclock_sec();
for (iter = 0; iter < max_iter_; ++iter) {
if (cplx) {
api.cfftf(N, X_.PtrBoth(), wrk_.PtrBoth()).IgnoreError();
@ -139,10 +144,9 @@ int main(int argc, char* argv[]) {
}
}
t1 = uclock_sec();
flops = (max_iter_ * 2) * ((cplx ? 5 : 2.5) * N * log((double)N) / M_LN2);
show_output("FFTPack", N, cplx, flops, t0, t1, max_iter_);
flops = (max_iter_ * 2) * ((cplx ? 5 : 2.5) * N * log((double)N) / M_LN2);
show_output("FFTPack", N, cplx, flops, t0, t1, max_iter_);
}
}