arno/hashcat
1
0
Fork 0
mirror of https://github.com/hashcat/hashcat.git synced 2024-12-22 22:58:30 +00:00
Code Issues Releases Wiki Activity

Merge pull request #3762 from matrix/fix_metal_opencl_device_selection

Browse Source 
Metal Backend: disable Metal devices only if at least one OpenCL device is active
This commit is contained in:
Jens Steube 2023-06-15 12:45:32 +02:00 committed by GitHub
commit 634251817c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 52 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
docs/changes.txt
View File

@ -111,6 +111,7 @@
- SecureCRT MasterPassphrase v2: update module, pure kernels and test unit. Add optimized kernels.
- Metal Backend: added workaround to prevent 'Infinite Loop' bug when build kernels
- Metal Backend: allow use of devices with Metal if runtime version is >= 200
- Metal Backend: disable Metal devices only if at least one OpenCL device is active
- User Options: added --metal-compiler-runtime option
- Hardware Monitor: avoid sprintf in src/ext_iokit.c
- Help: show supported hash-modes only with -hh

80
src/backend.c
View File

@ -6242,35 +6242,6 @@ int backend_ctx_devices_init (hashcat_ctx_t *hashcat_ctx, const int comptime)
if (device_param->device_processors == 1) device_param->skipped = true;
// Since we can't match OpenCL with Metal devices (missing PCI ID etc.) and at the same time we have better OpenCL support than Metal support,
// we disable all Metal devices by default. The user can reactivate them with -d.
if (device_param->skipped == false)
{
if (backend_ctx->backend_devices_filter == -1ULL)
{
if ((user_options->quiet == false) && (user_options->backend_info == 0))
{
event_log_warning (hashcat_ctx, "The device #%d has been disabled as it most likely also exists as an OpenCL device, but it is not possible to automatically map it.", device_id + 1);
event_log_warning (hashcat_ctx, "You can use -d %d to use Metal API instead of OpenCL API. In some rare cases this is more stable.", device_id + 1);
event_log_warning (hashcat_ctx, NULL);
}
device_param->skipped = true;
}
else
{
if (backend_ctx->backend_devices_filter & (1ULL << device_id))
{
// ok
}
else
{
device_param->skipped = true;
}
}
}
/**
* activate device
*/
@ -7592,6 +7563,57 @@ int backend_ctx_devices_init (hashcat_ctx_t *hashcat_ctx, const int comptime)
backend_ctx->backend_devices_cnt = cuda_devices_cnt + hip_devices_cnt + metal_devices_cnt + opencl_devices_cnt;
backend_ctx->backend_devices_active = cuda_devices_active + hip_devices_active + metal_devices_active + opencl_devices_active;
#if defined (__APPLE__)
// disable Metal devices if at least one OpenCL device is enabled
if (backend_ctx->opencl_devices_active > 0)
{
if (backend_ctx->mtl)
{
for (int backend_devices_cnt = 0; backend_devices_cnt < backend_ctx->backend_devices_cnt; backend_devices_cnt++)
{
hc_device_param_t *device_param = &backend_ctx->devices_param[backend_devices_cnt];
if (device_param->is_metal == false) continue;
// Since we can't match OpenCL with Metal devices (missing PCI ID etc.) and at the same time we have better OpenCL support than Metal support,
// we disable all Metal devices by default. The user can reactivate them with -d.
if (device_param->skipped == false)
{
if (backend_ctx->backend_devices_filter == -1ULL)
{
if ((user_options->quiet == false) && (user_options->backend_info == 0))
{
event_log_warning (hashcat_ctx, "The device #%d has been disabled as it most likely also exists as an OpenCL device, but it is not possible to automatically map it.", device_param->device_id + 1);
event_log_warning (hashcat_ctx, "You can use -d %d to use Metal API instead of OpenCL API. In some rare cases this is more stable.", device_param->device_id + 1);
event_log_warning (hashcat_ctx, NULL);
}
device_param->skipped = true;
}
else
{
if (backend_ctx->backend_devices_filter & (1ULL << device_param->device_id))
{
// ok
}
else
{
device_param->skipped = true;
}
}
if (device_param->skipped == true)
{
backend_ctx->metal_devices_active--;
backend_ctx->backend_devices_active--;
}
}
}
}
}
#endif
// find duplicate devices
//if ((cuda_devices_cnt > 0) && (hip_devices_cnt > 0) && (opencl_devices_cnt > 0))