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Autotune: Do a pre-autotune test run to find out if kernel runtime isabove some TDR limit

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HCtune File: Remove apple related GPU entries to workaround Trap 6 error
This commit is contained in:
jsteube
2017-10-17 09:07:59 +02:00
parent 5265803493
commit 73bba00286
3 changed files with 29 additions and 79 deletions
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src/autotune.c
+27
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@@ -140,6 +140,31 @@ static int autotune (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param
if (CL_rc == -1) return -1;
}
// Do a pre-autotune test run to find out if kernel runtime is above some TDR limit
u32 kernel_loops_max_reduced = kernel_loops_max;
if (1)
{
const double exec_msec = try_run (hashcat_ctx, device_param, kernel_accel_min, kernel_loops_min);
if (exec_msec > 2000)
{
event_log_error (hashcat_ctx, "OpenCL kernel minimum runtime larger than default TDR");
return -1;
}
const u32 mm = kernel_loops_max / kernel_loops_min;
if ((exec_msec * mm) > target_msec)
{
const u32 loops_valid = target_msec / exec_msec;
kernel_loops_max_reduced = kernel_loops_min * loops_valid;
}
}
#define VERIFIER_CNT 1
// first find out highest kernel-loops that stays below target_msec
@@ -148,6 +173,8 @@ static int autotune (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param
{
for (kernel_loops = kernel_loops_max; kernel_loops > kernel_loops_min; kernel_loops >>= 1)
{
if (kernel_loops > kernel_loops_max_reduced) continue;
double exec_msec = try_run (hashcat_ctx, device_param, kernel_accel_min, kernel_loops);
for (int i = 0; i < VERIFIER_CNT; i++)