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sometimes device_global_mem and device_maxmem_alloc reportedback from the opencl runtime are a bit inaccurate.

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let's add some extra space just to be sure.
This commit is contained in:
jsteube 2018-02-06 10:11:06 +01:00
parent cdc4f3828b
commit e59d5fd25e
1 changed files with 9 additions and 4 deletions
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13
src/opencl.c
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@ -4357,6 +4357,11 @@ int opencl_session_begin (hashcat_ctx_t *hashcat_ctx)
size_t size_tmps = 4; size_t size_tmps = 4;
size_t size_hooks = 4; size_t size_hooks = 4;
// sometimes device_global_mem and device_maxmem_alloc reported back from the opencl runtime are a bit inaccurate.
// let's add some extra space just to be sure.
#define EXTRA_SPACE (64 * 1024 * 1024)
while (kernel_accel_max >= kernel_accel_min) while (kernel_accel_max >= kernel_accel_min)
{ {
const u32 kernel_power_max = device_param->hardware_power * kernel_accel_max; const u32 kernel_power_max = device_param->hardware_power * kernel_accel_max;
@ -4388,9 +4393,9 @@ int opencl_session_begin (hashcat_ctx_t *hashcat_ctx)
int memory_limit_hit = 0; int memory_limit_hit = 0;
if (size_pws > device_param->device_maxmem_alloc) memory_limit_hit = 1; if ((size_pws + EXTRA_SPACE) > device_param->device_maxmem_alloc) memory_limit_hit = 1;
if (size_tmps > device_param->device_maxmem_alloc) memory_limit_hit = 1; if ((size_tmps + EXTRA_SPACE) > device_param->device_maxmem_alloc) memory_limit_hit = 1;
if (size_hooks > device_param->device_maxmem_alloc) memory_limit_hit = 1; if ((size_hooks + EXTRA_SPACE) > device_param->device_maxmem_alloc) memory_limit_hit = 1;
const size_t size_total const size_t size_total
= bitmap_ctx->bitmap_size = bitmap_ctx->bitmap_size
@ -4428,7 +4433,7 @@ int opencl_session_begin (hashcat_ctx_t *hashcat_ctx)
+ size_st_salts + size_st_salts
+ size_st_esalts; + size_st_esalts;
if (size_total > device_param->device_global_mem) memory_limit_hit = 1; if ((size_total + EXTRA_SPACE) > device_param->device_global_mem) memory_limit_hit = 1;
if (memory_limit_hit == 1) if (memory_limit_hit == 1)
{ {