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Code Issues Releases Wiki Activity

Move fake word generation to try_run() to avoid unwanted caching

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This commit is contained in:
Jens Steube 2016-02-18 10:49:23 +01:00
parent 9ff7718f59
commit f05944395a
1 changed files with 27 additions and 22 deletions
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49
src/oclHashcat.c
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@ -2795,6 +2795,28 @@ static double try_run (hc_device_param_t *device_param, const u32 kernel_accel,
device_param->kernel_params_buf32[26] = kernel_loops;
device_param->kernel_params_buf32[27] = kernel_loops;
// init some fake words
if (data.attack_kern == ATTACK_KERN_BF)
{
run_kernel_mp (KERN_RUN_MP_L, device_param, kernel_power);
run_kernel_mp (KERN_RUN_MP_R, device_param, kernel_loops);
}
else
{
for (u32 i = 0; i < kernel_power; i++)
{
device_param->pws_buf[i].pw_len = i & 7;
}
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_buf, CL_TRUE, 0, kernel_power * sizeof (pw_t), device_param->pws_buf, 0, NULL, NULL);
if (data.attack_exec == ATTACK_EXEC_OUTSIDE_KERNEL)
{
run_kernel_amp (device_param, kernel_power);
}
}
// caching run
if (data.attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
@ -2822,6 +2844,11 @@ static double try_run (hc_device_param_t *device_param, const u32 kernel_accel,
const double exec_ms_prev = get_avg_exec_time (device_param, repeat);
// reset fake words
run_kernel_bzero (device_param, device_param->d_pws_buf, device_param->size_pws);
run_kernel_bzero (device_param, device_param->d_pws_amp_buf, device_param->size_pws);
return exec_ms_prev;
}
@ -2838,18 +2865,6 @@ static void autotune (hc_device_param_t *device_param)
u32 kernel_loops = kernel_loops_min;
u32 kernel_accel = kernel_accel_min;
// init some fake words
const u32 kernel_power_max = device_param->device_processors * device_param->kernel_threads * device_param->kernel_accel_max;
for (u32 i = 0; i < kernel_power_max; i++)
{
device_param->pws_buf[i].pw_len = 8;
}
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_buf, CL_TRUE, 0, device_param->size_pws, device_param->pws_buf, 0, NULL, NULL);
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_amp_buf, CL_TRUE, 0, device_param->size_pws, device_param->pws_buf, 0, NULL, NULL);
// steps for loops
#define STEPS_LOOPS_CNT 15
@ -3009,16 +3024,6 @@ static void autotune (hc_device_param_t *device_param)
memset (device_param->exec_ms, 0, EXEC_CACHE * sizeof (double));
// reset fake words
for (u32 i = 0; i < kernel_power_max; i++)
{
device_param->pws_buf[i].pw_len = 0;
}
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_buf, CL_TRUE, 0, device_param->size_pws, device_param->pws_buf, 0, NULL, NULL);
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_amp_buf, CL_TRUE, 0, device_param->size_pws, device_param->pws_buf, 0, NULL, NULL);
// store
device_param->kernel_loops = kernel_loops;