Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 204,141
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     204,867
Calibration 2     203,748
Calibration 3     204,142
ssj_ops@calibrated=203,945
100% 100.1% 203,945 204,141
90% 90.9% 183,551 185,308
80% 79.8% 163,156 162,756
70% 70.0% 142,762 142,679
60% 59.7% 122,367 121,783
50% 49.6% 101,973 101,221
40% 40.0% 81,578 81,663
30% 30.0% 61,184 61,275
20% 20.1% 40,789 41,032
10% 10.2% 20,395 20,883
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 14,902,678 1,494
Payment 14,902,685
Order Status 1,490,269
Delivery 1,490,269
Stock Level 1,490,270
Customer Report 14,902,683
Calibration 2 New Order 14,818,943 1,494
Payment 14,818,946
Order Status 1,481,894
Delivery 1,481,897
Stock Level 1,481,893
Customer Report 14,818,944
Calibration 3 New Order 14,847,370 1,494
Payment 14,847,361
Order Status 1,484,737
Delivery 1,484,737
Stock Level 1,484,736
Customer Report 14,847,369
100% 100.1% New Order 14,847,904 1,494
Payment 14,847,913
Order Status 1,484,790
Delivery 1,484,790
Stock Level 1,484,791
Customer Report 14,847,905
90% 90.9% New Order 13,477,492 1,494
Payment 13,477,492
Order Status 1,347,751
Delivery 1,347,749
Stock Level 1,347,749
Customer Report 13,477,496
80% 79.8% New Order 11,837,059 1,494
Payment 11,837,060
Order Status 1,183,706
Delivery 1,183,707
Stock Level 1,183,707
Customer Report 11,837,063
70% 70.0% New Order 10,377,180 1,494
Payment 10,377,176
Order Status 1,037,718
Delivery 1,037,718
Stock Level 1,037,718
Customer Report 10,377,184
60% 59.7% New Order 8,856,961 1,494
Payment 8,856,958
Order Status 885,697
Delivery 885,695
Stock Level 885,696
Customer Report 8,856,961
50% 49.6% New Order 7,361,927 1,494
Payment 7,361,935
Order Status 736,193
Delivery 736,194
Stock Level 736,192
Customer Report 7,361,931
40% 40.0% New Order 5,939,416 1,494
Payment 5,939,421
Order Status 593,940
Delivery 593,941
Stock Level 593,941
Customer Report 5,939,416
30% 30.0% New Order 4,456,362 1,494
Payment 4,456,366
Order Status 445,637
Delivery 445,636
Stock Level 445,636
Customer Report 4,456,363
20% 20.1% New Order 2,984,200 1,494
Payment 2,984,196
Order Status 298,420
Delivery 298,419
Stock Level 298,420
Customer Report 2,984,201
10% 10.2% New Order 1,518,802 1,494
Payment 1,518,795
Order Status 151,880
Delivery 151,879
Stock Level 151,881
Customer Report 1,518,798
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0