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SCRYPT Kernels: Add more optimized values for some new NV/AMD GPUs and new semi-automated derivation process description

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Blowfish Kernels: Backport optimizations reducing bank conflicts from bcrypt to Password Safe v2 and Open Document Format (ODF) 1.1
This commit is contained in:
Jens Steube
2021-07-28 07:51:27 +02:00
parent 532a154542
commit 25f1c12e3c
3 changed files with 114 additions and 39 deletions
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src/modules/module_09000.c
+52 -13
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@@ -22,7 +22,8 @@ static const u64 KERN_TYPE = 9000;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_BINARY_HASHFILE
| OPTS_TYPE_AUTODETECT_DISABLE;
| OPTS_TYPE_AUTODETECT_DISABLE
| OPTS_TYPE_DYNAMIC_SHARED;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "0a3f352686e5eb5be173e668a4fff5cd5df420927e1da2d5d4052340160637e3e6a5a92841a188ed240e13b919f3d91694bd4c0acba79271e9c08a83ea5ad387cbb74d5884066a1cb5a8caa80d847079168f84823847c631dbe3a834f1bc496acfebac3bff1608bf1c857717f8f428e07b5e2cb12aaeddfa83d7dcb6d840234d08b84f8ca6c6e562af73eea13148f7902bcaf0220d3e36eeeff1d37283dc421483a2791182614ebb";
@@ -75,16 +76,25 @@ char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAY
{
char *jit_build_options = NULL;
// this mode heavily depends on the available shared memory size
// note the kernel need to have some special code changes in order to make use to use post-48k memory region
// we need to set some macros
bool use_dynamic = false;
if (device_param->is_cuda == true)
{
use_dynamic = true;
}
// this uses some nice feedback effect.
// based on the device_local_mem_size the reqd_work_group_size in the kernel is set to some value
// which is then is read from the opencl host in the kernel_preferred_wgs_multiple1/2/3 result.
// therefore we do not need to set module_kernel_threads_min/max except for CPU, where the threads are set to fixed 1.
u32 fixed_local_size = 0;
if (device_param->opencl_device_type & CL_DEVICE_TYPE_CPU)
{
fixed_local_size = 1;
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", 1);
}
else
{
@@ -100,29 +110,58 @@ char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAY
if (device_param->is_opencl == true)
{
overhead = 4;
overhead = 1;
}
}
if (user_options->kernel_threads_chgd == true)
{
fixed_local_size = user_options->kernel_threads;
u32 fixed_local_size = user_options->kernel_threads;
// otherwise out-of-bound reads
if ((fixed_local_size * 4096) > (device_param->device_local_mem_size - overhead))
if (use_dynamic == true)
{
fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
if ((fixed_local_size * 4096) > device_param->kernel_dynamic_local_mem_size_memset)
{
// otherwise out-of-bound reads
fixed_local_size = device_param->kernel_dynamic_local_mem_size_memset / 4096;
}
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D DYNAMIC_LOCAL", fixed_local_size);
}
else
{
if ((fixed_local_size * 4096) > (device_param->device_local_mem_size - overhead))
{
// otherwise out-of-bound reads
fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
}
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", fixed_local_size);
}
}
else
{
fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
if (use_dynamic == true)
{
// using kernel_dynamic_local_mem_size_memset is a bit hackish.
// we had to brute-force this value out of an already loaded CUDA function.
// there's no official way to query for this value.
const u32 fixed_local_size = device_param->kernel_dynamic_local_mem_size_memset / 4096;
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D DYNAMIC_LOCAL", fixed_local_size);
}
else
{
const u32 fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", fixed_local_size);
}
}
}
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", fixed_local_size);
return jit_build_options;
}