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PDF 1.7 Kernel: Improved performance on AMD GPU by using shared memory for the scratch buffer

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Inspired by https://github.com/reger-men/hashcat/blob/6.2.4/OpenCL/m10700-optimized.cl
This commit is contained in:
Jens Steube 2021-10-30 20:16:45 +02:00
parent d85ca3a752
commit 1d33b57144
3 changed files with 22 additions and 9 deletions
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16
OpenCL/m10700-optimized.cl
View File

@ -211,7 +211,7 @@ DECLSPEC void orig_sha512_transform (const u64 *w0, const u64 *w1, const u64 *w2
#define WORDMAXSZ4 (WORDMAXSZ / 4)
#define AESSZ4 (AESSZ / 4)
DECLSPEC void make_sc (u32 *sc, const u32 *pw, const u32 pw_len, const u32 *bl, const u32 bl_len)
DECLSPEC void make_sc (LOCAL_AS u32 *sc, const u32 *pw, const u32 pw_len, const u32 *bl, const u32 bl_len)
{
const u32 bd = bl_len / 4;
@ -263,7 +263,7 @@ DECLSPEC void make_sc (u32 *sc, const u32 *pw, const u32 pw_len, const u32 *bl,
}
}
DECLSPEC void make_pt_with_offset (u32 *pt, const u32 offset, const u32 *sc, const u32 pwbl_len)
DECLSPEC void make_pt_with_offset (u32 *pt, const u32 offset, LOCAL_AS const u32 *sc, const u32 pwbl_len)
{
const u32 m = offset % pwbl_len;
@ -293,7 +293,7 @@ DECLSPEC void make_pt_with_offset (u32 *pt, const u32 offset, const u32 *sc, con
#endif
}
DECLSPEC void make_w_with_offset (ctx_t *ctx, const u32 W_len, const u32 offset, const u32 *sc, const u32 pwbl_len, u32 *iv, const u32 *ks, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
DECLSPEC void make_w_with_offset (ctx_t *ctx, const u32 W_len, const u32 offset, LOCAL_AS const u32 *sc, const u32 pwbl_len, u32 *iv, const u32 *ks, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
{
for (u32 k = 0, wk = 0; k < W_len; k += AESSZ, wk += AESSZ4)
{
@ -315,12 +315,10 @@ DECLSPEC void make_w_with_offset (ctx_t *ctx, const u32 W_len, const u32 offset,
}
}
DECLSPEC u32 do_round (const u32 *pw, const u32 pw_len, ctx_t *ctx, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
DECLSPEC u32 do_round (LOCAL_AS u32 *sc, const u32 *pw, const u32 pw_len, ctx_t *ctx, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
{
// make scratch buffer
u32 sc[PWMAXSZ4 + BLMAXSZ4 + AESSZ4];
make_sc (sc, pw, pw_len, ctx->dgst32, ctx->dgst_len);
// make sure pwbl_len is calculcated before it gets changed
@ -668,18 +666,20 @@ KERNEL_FQ void m10700_loop (KERN_ATTR_TMPS_ESALT (pdf17l8_tmp_t, pdf_t))
ctx.dgst_len = tmps[gid].dgst_len;
ctx.W_len = tmps[gid].W_len;
LOCAL_VK u32 s_sc[256][PWMAXSZ4 + BLMAXSZ4 + AESSZ4];
u32 ex = 0;
for (u32 i = 0, j = loop_pos; i < loop_cnt; i++, j++)
{
ex = do_round (w0, pw_len, &ctx, s_te0, s_te1, s_te2, s_te3, s_te4);
ex = do_round (s_sc[lid], w0, pw_len, &ctx, s_te0, s_te1, s_te2, s_te3, s_te4);
}
if ((loop_pos + loop_cnt) == 64)
{
for (u32 i = 64; i < (ex & 0xff) + 32; i++)
{
ex = do_round (w0, pw_len, &ctx, s_te0, s_te1, s_te2, s_te3, s_te4);
ex = do_round (s_sc[lid], w0, pw_len, &ctx, s_te0, s_te1, s_te2, s_te3, s_te4);
}
}

6
docs/changes.txt
View File

@ -9,6 +9,12 @@
- Added hash-mode: MultiBit Classic .wallet (scrypt)
- Added hash-mode: MurmurHash3
##
## Performance
##
- PDF Kernel (10700): Improved performance on AMD GPU by using shared memory for the scratch buffer
##
## Bugs
##

9
src/modules/module_10700.c
View File

@ -108,6 +108,13 @@ u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED con
return pw_max;
}
u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
const u32 kernel_threads_max = 256;
return kernel_threads_max;
}
char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
{
char *jit_build_options = NULL;
@ -360,7 +367,7 @@ void module_init (module_ctx_t *module_ctx)
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
module_ctx->module_kernel_threads_max = module_kernel_threads_max;
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
module_ctx->module_kern_type = module_kern_type;
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;