Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,880
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     208,838
Calibration 2     207,229
Calibration 3     207,605
ssj_ops@calibrated=207,417
100% 100.2% 207,417 207,880
90% 89.6% 186,675 185,830
80% 79.9% 165,934 165,726
70% 69.5% 145,192 144,093
60% 59.6% 124,450 123,679
50% 49.6% 103,709 102,816
40% 39.8% 82,967 82,499
30% 30.1% 62,225 62,389
20% 19.7% 41,483 40,816
10% 10.2% 20,742 21,070
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 15,190,852 1,494
Payment 15,190,852
Order Status 1,519,083
Delivery 1,519,084
Stock Level 1,519,084
Customer Report 15,190,851
Calibration 2 New Order 15,072,135 1,494
Payment 15,072,140
Order Status 1,507,212
Delivery 1,507,215
Stock Level 1,507,214
Customer Report 15,072,139
Calibration 3 New Order 15,100,394 1,494
Payment 15,100,388
Order Status 1,510,039
Delivery 1,510,039
Stock Level 1,510,040
Customer Report 15,100,389
100% 100.2% New Order 15,120,043 1,494
Payment 15,120,036
Order Status 1,512,004
Delivery 1,512,004
Stock Level 1,512,004
Customer Report 15,120,039
90% 89.6% New Order 13,515,082 1,494
Payment 13,515,089
Order Status 1,351,510
Delivery 1,351,509
Stock Level 1,351,508
Customer Report 13,515,088
80% 79.9% New Order 12,053,459 1,494
Payment 12,053,458
Order Status 1,205,346
Delivery 1,205,346
Stock Level 1,205,346
Customer Report 12,053,459
70% 69.5% New Order 10,479,906 1,494
Payment 10,479,906
Order Status 1,047,991
Delivery 1,047,991
Stock Level 1,047,991
Customer Report 10,479,907
60% 59.6% New Order 8,995,009 1,494
Payment 8,995,009
Order Status 899,501
Delivery 899,502
Stock Level 899,500
Customer Report 8,995,012
50% 49.6% New Order 7,477,577 1,494
Payment 7,477,576
Order Status 747,758
Delivery 747,758
Stock Level 747,756
Customer Report 7,477,575
40% 39.8% New Order 5,999,980 1,494
Payment 5,999,984
Order Status 599,998
Delivery 599,998
Stock Level 599,997
Customer Report 5,999,983
30% 30.1% New Order 4,537,570 1,494
Payment 4,537,568
Order Status 453,757
Delivery 453,757
Stock Level 453,757
Customer Report 4,537,567
20% 19.7% New Order 2,968,486 1,494
Payment 2,968,485
Order Status 296,848
Delivery 296,848
Stock Level 296,850
Customer Report 2,968,483
10% 10.2% New Order 1,532,424 1,494
Payment 1,532,426
Order Status 153,244
Delivery 153,242
Stock Level 153,242
Customer Report 1,532,422
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0