Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,557
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     207,849
Calibration 2     206,200
Calibration 3     206,721
ssj_ops@calibrated=206,460
100% 100.0% 206,460 206,557
90% 90.1% 185,814 186,076
80% 80.6% 165,168 166,460
70% 69.6% 144,522 143,786
60% 60.1% 123,876 124,146
50% 50.4% 103,230 104,037
40% 39.9% 82,584 82,322
30% 29.8% 61,938 61,494
20% 20.1% 41,292 41,416
10% 10.2% 20,646 21,104
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,119,735 1,494
Payment 15,119,735
Order Status 1,511,974
Delivery 1,511,973
Stock Level 1,511,973
Customer Report 15,119,736
Calibration 2 New Order 14,998,046 1,494
Payment 14,998,045
Order Status 1,499,804
Delivery 1,499,804
Stock Level 1,499,803
Customer Report 14,998,050
Calibration 3 New Order 15,035,388 1,494
Payment 15,035,391
Order Status 1,503,540
Delivery 1,503,539
Stock Level 1,503,539
Customer Report 15,035,388
100% 100.0% New Order 15,022,416 1,494
Payment 15,022,415
Order Status 1,502,239
Delivery 1,502,242
Stock Level 1,502,243
Customer Report 15,022,415
90% 90.1% New Order 13,533,143 1,494
Payment 13,533,143
Order Status 1,353,315
Delivery 1,353,315
Stock Level 1,353,315
Customer Report 13,533,142
80% 80.6% New Order 12,106,441 1,494
Payment 12,106,443
Order Status 1,210,645
Delivery 1,210,643
Stock Level 1,210,644
Customer Report 12,106,440
70% 69.6% New Order 10,458,376 1,494
Payment 10,458,377
Order Status 1,045,838
Delivery 1,045,838
Stock Level 1,045,837
Customer Report 10,458,378
60% 60.1% New Order 9,028,892 1,494
Payment 9,028,890
Order Status 902,889
Delivery 902,889
Stock Level 902,890
Customer Report 9,028,891
50% 50.4% New Order 7,567,189 1,494
Payment 7,567,186
Order Status 756,718
Delivery 756,718
Stock Level 756,719
Customer Report 7,567,186
40% 39.9% New Order 5,987,143 1,494
Payment 5,987,140
Order Status 598,714
Delivery 598,715
Stock Level 598,714
Customer Report 5,987,144
30% 29.8% New Order 4,472,412 1,494
Payment 4,472,416
Order Status 447,241
Delivery 447,243
Stock Level 447,242
Customer Report 4,472,414
20% 20.1% New Order 3,012,122 1,494
Payment 3,012,116
Order Status 301,213
Delivery 301,212
Stock Level 301,213
Customer Report 3,012,124
10% 10.2% New Order 1,534,850 1,494
Payment 1,534,850
Order Status 153,486
Delivery 153,486
Stock Level 153,483
Customer Report 1,534,845
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0